Analog-Devices-MAX2172ETL-T
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Automotive Product Guide
Automotive Product Guide
T
a
ble of Contents
Automotive-Qualified Step-Down Regulators
for Infotainment and Body Applications
Applications
T
e
chnology
• 42V
load-dump tolerance allows direct operation from
the car battery
• Ultra-low
quiescent current in SKIP mode to meet
stringent OEM module standby current requirements
Infotainment/Navigation/Radio Head
3-9, 11-23, 25, 26, 31
Heads-Up Display/Driver’s Assistance
3-9, 12-16, 21-23, 25, 26, 31
Instrument Clusters
3, 7, 9, 25, 26
Power Management
3-6
Display Power
7
• Up
to 2.2MHz adjustable switching frequency reduces
external component size and optimizes solution cost
• Wide
operating voltage range ensures operation from
cold crank up to truck battery inputs
Automotive USB Protectors
8
Supervisory 9
• Available
spread-spectrum feature lowers EMI to
minimize radio interference within the vehicle
Lighting 25,
26
E
V
/
HEV Battery Management
27
Audio 10,
11
Part
MAX16907
V
(max) (V)
I
(A)
f
Spread Spectrum
I
Q
(
μ
A)
30
IN
OUT
SW
36
36
28
28
28
36
3
1MHz to 2.2MHz
220kHz to 1MHz
220kHz to 2MHz
220kHz to 1MHz
220kHz to 1MHz
1MHz to 2.2MHz
Yes
No
No
No
No
Yes
L
V
DS 12-14
MAX16909
MAX16974
MAX16975
MAX16976
MAX16977
3
2
30
Video 15,
16
35
1.2
0.6
2
45
TV, Radio, and Navigation Tuners
17-19
Antenna Phantom Power
20
RKE/TPMS/GPS 21-23
Sensor Interfacing
24, 28
HB LED
25, 26
45
30
High-Frequency Step-Down Controller Reduces
Battery Management
27
Current-Sense Amplification
29
Data Conversion
30
Timekeeping 31
Size, Cost, and AM Band Radio Interference
• 2.2MHz
operating frequency minimizes AM band radio
V
BAT
interference and reduces external component size
C
IN
NH
• 42V
load-dump tolerance allows direct operation from
the car battery
Quality/
“
V
”
Flow 32
C
BST
SUP
COMP
DH
BST
LX
• Wide
3.5V to 36V V
range ensures operation from
cold crank up to battery inputs
IN
L
R
COMP
C
COMP2
• Ultra-low
50
μ
A quiescent current meets stringent
OEM module standby current requirements
MAX16952
C
COMP1
R
NL
SENSE
DL
PGOOD
EN
PGND
FSYNC
CS
OUT
FB
V
OUT
5V
FOSC
C
OUT
BIAS
R
FOSC
SGND
C
L
2
ꢀꢀ3
Automotive Product Guide
Automotive Product Guide
28V, 1A, High-Frequency Synchronous Buck
Gives You the Smallest Solution Footprint
Ultra-Low-I Automotive
LDO Conserves
Q
Battery Life in Always-On Applications
Th
e MAX16903 i
s the industry’s smallest automotive-grade synchronous buck converter capable of delivering 1A from a 3.5V to
28V input. Its 2.1MHz switching frequency allows you to use smaller external components while avoiding interference with the
AM-radio band. This gives you an extremely compact solution with a very low BOM cost.
45V, 200mA LDO Consumes Only 20
μ
A I
Q
MAX16910
OUT
range (3.5V to 30V), survives load dumps up to
45V, and is guaranteed for operation over the
-40°C to +125°C automotive temperature range.
It includes three pin-selectable output-voltage
configurations: 5.0V or 3.3V fixed, and adjustable
reduces component cost by operating with small
OUT
IN
4.7
µ
F
Body
Rear-Seat
Entertainment
ENABLE
1
µ
F
Electronics
SETOV
RESET
Uses low-cost
ceramic capacitors
SET
RESET
GND
TIMEOUT
1nF
25% lower I
than
Q
ceramic capacitors.
the competition
50
25
75
100
Adjustable reset
delay (1.25ms)
0
µ
A
Industryꢀs Lowest I
Automotive LDOs
Q
No-Load
Q
I
V
Range
IN
(V)
Adjustable
Output Voltage (V)
Reset Threshold
(%)
Package
(mm x mm)
OUT
(mA
)
Part
I
(
μ
A)
MAX15006
MAX15007
MAX16910
10
50
4 to 40 (45, max)
4 to 40 (45, max)
3.5 to 30 (45, max)
1.8 to 10
1.8 to 10
1.5 to 11
—
—
6
–
TDFN-EP (3 x 3)
6
–
TDFN-EP (3 x 3)
10
50
Instrument
Clusters
Infotainment
20
200
87.5, 92.5
8-TDFN-EP (3 x 3), 8-SO-EP (5 x 4)
High-Efficiency, Low-I
, Synchronous Step-Down
Q
Saves Space and Reduces BOM Cost
Speeds Automotive Compliance
• 2.1MHz
operation allows tiny external components
• Fixed-frequency
operation and optional spread-spectrum
modulation reduce EMI
Converters Provide Optimized Point-Of-Load
• Integrated
high- and low-side FETs with internal
compensation eliminate the need for an external
Schottky diode
• Wide
input range allows direct operation from battery
• Load-dump
tolerant to 42V
Regulation
• Requires
only low-cost ceramic input/output capacitors
• Ultra-small
3mm x 3mm, 10-Pin TDFN-EP package
• AEC-Q100
qualified
• Up
to 2.2MHz switching frequency reduces external
component size and minimizes solution cost
• 3A
(MAX16961*) and 4A (MAX16962) output currents
support high-current requirements of processor cores
• -40°C
to +125°C operation
• 10-pin
TDFN-EP and 16-pin TSSOP-EP packages
Conserves Battery Life
• Available
spread-spectrum and forced PWM features lower
EMI to minimize radio interference within the vehicle
• Dual-channel
MAX16963 saves additional board space
and offers most cost-effective solution
• 25
μ
A quiescent current (no load) meets tight power
budgets
• Current-controlled
operation simplifies design effort and
enables cycle-by-cycle current limit
I
OUT
(A)
Part
MAX16961
MAX16962
MAX16963
MAX1556
MAX1557
V
IN
Range (V)
2.7 to 5.5
2.7 to 5.5
2.7 to 5.5
2.6 to 5.5
2.6 to 5.5
f
SW
(MHz)
Spread-Spectrum
I
Q
(μA)
27
3
4
2.2
2.2
2.2
1
Yes
Yes
Yes
No
27
1.5/1.5
1.2
36
16
0.6
1
No
16
*Future product—contact factory for availability.
4
ꢀꢀ5
Automotive Product Guide
Automotive Product Guide
Industry’s Smallest 4-Channel Automotive PMIC
that Connects Directly to the Car Battery
Space-Effective Solutions for Dashboard,
Navigation, and Entertainment Systems
2
Two Step-Down DC-DCs and Two LDOs in a 25mm
Package
Automotive TFT-LCD PMICs Reduce EMI Through Spread-Spectrum Switching
COMPI
COMPV
GATE
INA
2.2MHz DC-DC
• Highly
integrated power supply
Integrated high-voltage DC-DC
converters use tiny
connects directly to car battery,
eliminates need for separate
front-end regulator
MAX16922
LXP
· Boost
converter, linear regulator, and power
controllers
· Flexible
sequencing of positive gate voltage regulator
and negative gate voltage regulator
external components
for reduced cost and
space requirements
DR
FB
V
TO 18V
1.8V/3.3V
REGULATOR
CONTROLLER
INA
BOOST
PGNDP
FBP
V
: 3.7V TO 28V (45V)
IN1
V
: 5.5V TO 3.0V AT 1.2A
DC-DC1
OUT1
OSCILLATOR
V
V
V
: 2.7V TO 5.5V
: 2.7V TO 5.5V
: 2.7V TO 5.5V
IN2
V
V
V
: 1.0V TO 3.9V AT 600mA
CP
DC-DC2
LDO1
OUT2
Power Your Displa
y Directly from the Car Battery:
DRVN
FBGL
IN3
: 1.0V TO 4.15V AT 300mA
OUT3
POSITIVE
NEGATIVE
GATE
VO
L
TAGE
REGULATOR
GH
GATE
Separate inputs on all channels
for maximum eciency
and configurability
• Integrated
high-voltage front-end buck regulator
IN4
VO
L
TAGE
REGULATOR
: 1.0V TO 4.15V AT 300mA
OUT4
LDO2
· Allows
direct voltage regulation from the car battery
· Automotive
load-dump tolerant up to 42V
RESET
FBGH
Reset signal monitors
DC-DC outputs to
simplify power
GND
BST
INB
• Highly
integrated power supply
Low-voltage converters
reduce system size
and cost
REF
· Boost
converter, linear regulator, and power
controllers
· Flexible
sequencing of both positive and negative
gate voltage regulators
BANDGAP
REFERENCE
sequencing
GND
3.3
V
/
5V
BUCK
LXB
ENP
SEQ
CONTROL
2MHz, High-Voltage PMIC Delivers Four Rails
FBB
ENB
A
V
L
PGOOD
in Tiny Solution Size
GND
MAX16928/MAX16929
MAX16929 ON
L
Y
Always-on DC-DC1
uses only 25
µ
A I
to
Q
2.2MHz DC-DC
converters use tiny
external components
save battery power
High-voltage regulators eliminate
need for preregulators
MAX16920
V
: 5.5V TO 28V (45V)
IN
DC-DC1
DC-DC2
DC-DC3
LDO
V
V
V
: 3.3V AT 300mA
OUT1
: 5.0V AT 600mA
OUT2
OUT3
: 3.3V AT 1.5A
V
: 5.0V AT 150mA
OUT4
5V linear regulator
for CAN supply
allows ECU wakeup
PG2
PG3
PGA
PGOOD for
easy sequencing
GND
6
ꢀꢀ7
Automotive Product Guide
Automotive Product Guide
Hi-Speed USB Protectors with Apple Fast Charge
and USB Host Charge Detection
Offer Fully Integrated USB Power and Data Protection Switches with 480Mbps
Operation While Providing High-ESD Protection
Automotive Regulators with Highest Reliability
Over Wide Operating Range
Maxim’s family of automotive regulators operates over a very wide input-
Maxim’s extended
thermal capabilities
and input voltage
voltage range (up to 72V) and tolerates many voltage transients without any
external circuitry. The ICs are fully specified up to +125°C and can dissipate
more power than most competitive solutions. They also integrate various
features such as a reset output, an extra undedicated comparator (PFI/PFO),
Applications for Automotive USB Architectures
a watchdog timer, enable and hold functionality, and a gate driver (GATEP)
that protects against reverse-battery conditions by using a pFET.
• Radio
head
COMPETITION
1.0
INPUT VO
L
TAGE
• Navigation
unit
0.8
• Clusters
Enable
Hold
Additional
0.6
Part
Output(s)
Watchdog
GATEP
Input(s)
Input(s)
Comparator
• Module-to-module
communication
0.4
MAX6765/MAX6766
MAX6767/MAX6768
MAX6769/MAX6770
MAX6771/MAX6772
MAX6773/MAX6774
MAX6791/MAX6792
MAX6793/MAX6794
MAX6795/MAX6796
1
1
—
—
100mA
100mA
—
—
• Phone
cradle
✓
• Connectivity
hub
0.2
1
RESETIN
—
100mA
100mA
—
—
• Dedicated
USB charging port
0
2
1
• Full-function
USB charging
-0.2
®
®
®
Fixed
—
100mA
• iPod /iPhone /iPad
1.0
2.0
TIME (ns)
3.0
4.0
0
0.5
1.5
2.5
3.5
4.5
2 x 150mA
2 x 150mA
300mA
Adjustable, windowed
Adjustable
Adjustable
2
2
1
PFI/PFO
PFI/PFO
PFI/PFO
✓
✓
✓
✓
✓
✓
Feature
MAX16919
MAX16942E/3E/4E
MAX16969
USB Data Switches
Short-to-battery, high-ESD
protection, 480Mbps
✓
✓
✓
✓
Overvoltage Protectors Prevent Damage
USB host charging BC1.1 BC1.2
CDP
✓
✓
®
Apple rapid
charging 1A
to Downstream Circuitry
USB Power Switch
72
WITHOUT
Maxim’s overvoltage protection circuits can protect your circuit from
continuous voltage levels from below -30V to greater than 90V, and even
higher transients. Some devices feature a limiter mode, which allows
continuous system operation even during overvoltage fault conditions.
load-dump conditions.
Internal power FET on-resistance
(typical)
OVP
22mΩ
57mΩ
22mΩ
Current limit
Adjustable limit
3A
Fixed threshold
1.3A
Adjustable limit
3A
12
Maximum current
WITH OVP
TIME
Short-to-battery, short-to-GND,
high-ESD protection
✓
✓
✓
Short-to-battery protection FET
External
Internal
External
Built-In
LDO
Part
Function
MOSFET
Reverse Voltage
Undervoltage
Latch
POK
MAX16013
MAX16014
MAX16126/7
MAX6397
MAX6495
MAX6496
MAX6497
MAX6498
MAX6499
Switch/limiter
Switch
pFET
pFET
nFET
nFET
nFET
nFET
nFET
nFET
nFET
—
✓
✓
Latch
Switch/limiter
Switch/limiter
Switch/limiter
Switch/limiter
Switch
Autoretry/latch
✓
✓
✓
—
✓
—
—
✓
Protect your USB HVD+, HVD-, and HVBUS lines from the brutal automotive environment:
Latch
✓
✓
Switch
Autoretry
Latch with clear
Switch/limiter
✓
8
ꢀꢀ9
Automotive Product Guide
Automotive Product Guide
4 x 50W Class D Amplifier Provides
High-Fidelity Automotive Audio
Ultra-Efficient Amp Operates Down to 6V with Full Automotive Diagnostics,
Load-Dump Protection, and Excellent EMI Performance
Industry’s First Headphone Amplifiers Designed
for Automotive Applications
Integrate Output Protection and Deliver Superior Audio Quality
Get Superior Performance at a Lower Cost than Wireless Solutions
Fulfill Automotive-Grade Requirements
• 6V
to 25.5V operating range
• Load-dump
protection to 50V
• Short-circuit
protection
Provide High-Quality Audio
®
Infrared Wireless
Solutions
The Maxim
Advantage
Parameter
THD+N
• Programmable
clip detection
• 0.04%
THD+N performance due to feedback
after the filter
30 times better
THD+N
0.30%
65dB
0.01%*
100dB
35dB SNR
• High
output power (10% THD+N)
• Open
battery/GND tolerant
• Thermal-overload
protection/warning
SNR
improvement
· 2
x 160W into 2Ω at 24V
· 4
x 80W into 4Ω at 24V
Frequency
response
Full audio-frequency
response
25Hz to 18kHz
60dB
10Hz to 22kHz
75dB
2
• On-board
diagnostics through I
C interface
• Superior
EMI performance meets OEM specifications
Channel
separation
Enhanced channel
separation
· Short-to-battery/GND
· Open/shorted
load
· Tweeter
detect
*0.01% THD+N at 1k output power into a 32
Ω
load.
2
I C
COMP
Detailed Block Diagram of the MAX13301 Audio Path
Protect Your Aux Input Device from
Automotive Transients
OSC
TRIANGLE WAVE
PWM LOGIC
REF
PWM
COMPARATOR
Audio Input Amplifiers Provide Dual Channel, Low Noise, and Programmable
REF
2
I C
COMP
3-BIT ADC
Gains for Automotive Applications
Features
PVDD
FEED-
FORWARD
• 5V
or 3.3V supply
REF
• Automotive-grade
diagnostics capability controlled through
ERROR
AMPLIFIER
2
I C
interface
REF
• Short-to-battery tolerant inputs
• Quasi-differential
inputs to eliminate common-mode noise
• 80dB
CMRR (typ)
• Jack
sense, audio presence detection
• V
/GND/short/open diagnostics for remote AUX jack
BAT
• Up
to 7V
input-voltage range
RMS
• AEC-Q100
qualified
AUDIO IN
V
Operating Range
Temperature Range
Temp Range
(°C)
IN
Part
Package
Part
Gain (dB)
Package
(V)
(°C)
REF
6 to 25.5
-40 to +125
48-TSSOP-EP
-14 to +16
-22 to +8
-40 to +105
-40 to +105
16-QSOP
16-QSOP
PREAMPLIFIER
10
ꢀꢀ11
Automotive Product Guide
Automotive Product Guide
Smart, 18-Bit, Bidirectional
L
V
DS SerDes
Eliminates Need for CAN or LIN Interface
Complete GMSL SerDes for Digital Video, Audio,
and Control Data
The
MAX9257A
/
MAX9258A
LVDS SerDes chipset provides a complete bidirectional digital video link between the automotive
electronic control unit (ECU) and the camera. An integrated control channel eliminates the need for an external CAN or LIN
interface, thus simplifying design and reducing system cost.
Supports Next-Generation Requirements for Infotainment Systems
Th
e MAX9259
/
MAX9260 S
erDes chipset provides a fully integrated gigabit multimedia serial link (GMSL) solution for
automotive infotainment, navigation, and rear-seat entertainment applications. This chipset integrates a bidirectional, full-duplex
control channel, thus simplifying design while saving space and cost.
Minimizes System Cost
Smart Features Improve Performance
• Integrated
control channel eliminates external CAN
or LIN bus
• Programmable
serial data rate optimizes bandwidth
utilization
Integrates Video and Control in a Single Channel
Enhances the Multimedia Experience
• Differential,
full-duplex control channel eliminates the need
for a separate CAN or LIN interface
• Supports
XGA (1280 x 768) or dual-view WVGA
(two 854 x 480) panels
• Advanced
EMI suppression allows the use of lower
cost cables and connectors
• Patented
spread-spectrum modulation
*
reduces EMI in
serial data and deserializer output
• Programmable
spread spectrum minimizes EMI, speeding
product qualification
• Delivers
24-bit color and digital audio
• Supports
multiple camera inputs
• High
ESD protection:
10kV Contact and
30kV Air-Gap
Discharge (ISO 10605)
LCD
VIDEO
VIDEO
PROCESSOR
DESERIALIZER SERIALIZER
CAN
CAMERA
Night vision
Sign recognition
2
UART
I C
CAN
TRANSCEIVER
µ
C
MAX9259
MAX9260
TRANSCEIVER
VIDEO
AUDIO
VIDEO
AUDIO
GRAPHICS
CONTROLLER
LCD
SERIALIZER
DESERIALIZER
CONTROL ON CAN
µ
C
µ
C
VIDEO/AUDIO +
FULL-DUPLEX CONTROL
UART
UART
2
2
OR I
C
OR I
C
Why Do This with the Typical
Automotive Safety Application…
…When You Can Do This with
Maxim’s Simple Solution?
Function
Collision avoidance
Lane departure
Part
Interface
Content Protection
Serializer
Deserializer
MAX9249
MAX9259
MAX9260
MAX9263
MAX9264
MAX9265
MAX9266
MAX9268
LVDS
Parallel
Parallel
Parallel
Parallel
LVDS
✓
✓
LCD
✓
✓
MAX9258A
MAX9257A
VIDEO
CONTROL
VIDEO
CONTROL
✓
✓
✓
✓
✓
✓
DESERIALIZER
SERIALIZER
PROCESSOR
UART
CAMERA
2
I C
LVDS
✓
✓
INTEGRATED CONTROL
LVDS
*U.S. Patent 6,847,257.
12
ꢀꢀ13
Automotive Product Guide
Automotive Product Guide
1.5Gbps GMSL SerDes with Coax Drive Cuts
Cable and Connectivity Costs by 50%
Supports Next-Generation Requirements for Megapixel Cameras
4-Channel Video Decoder Simplifies Automotive
Vision Systems
Converts Video Signals to Optimal Frame-Synchronized Digital Format Needed
for Direct Connection to Maximꢀs H.264 Codec Family
Th
e MAX9271
/
MAX9272
/
MAX9273 S
erDes chipset provides a fully integrated solution for automotive camera safety
applications such as 360-view, forward collision warning (FCW), night vision, sign recognition, and more.
Simplifies Designs and Reduces Cost
Minimize System Cost
Smart Features Improve Performance
• Excellent
video quality from 4-channel
NTSC/PAL video decoder with 54MHz,
10-bit ADC, and 5-line filter
• Drive
low cost 50
Ω
coax cable and FAKRA connectors or
shielded twisted pair (STP)
• Error
detection and correction increases reliability
• 1.5Gbps
serial data rate eliminates need for data
compression and lag in image processing
• Flexible
video output with byte-
or frame-interleaving modes at
27MHz/54MHz/108MHz
• Programmable
spread spectrum minimizes EMI, speeding
product qualification
• 100MHz
clock supports megapixel image sensors
reliability
• Multichip
cascade configuration with
direct connection
• Independent
auto-equalizer processing
for each video channel
LCD
• Individual
video scalers for each video
channel
VIDEO
VIDEO
PROCESSOR
DESERIALIZER SERIALIZER
CAN
CAMERA
2
UART
I C
CAN
TRANSCEIVER
µ
C
TRANSCEIVER
Key Features
Benefits
CONTROL ON CAN
Eliminates need for FPGA on video input
On-chip DDR2 memory controller for frame-
interleaved, synchronous, multichannel output
Reduces system cost and design complexity with glueless, direct
connection to Maximꢀs family of H.264 video processors
Integrates video capture and digital conversion into one IC to greatly
simplify PCB design and reduce component count and cost
4-channel NTSC/PAL video decoder subsystem
Why Do This with the Typical
Automotive Safety Application…
…When You Can Do This with
Maxim’s Simple Solution?
LCD
MAX9271
MAX9273
MAX9272
VIDEO
VIDEO
CONTROL
DESERIALIZER
SERIALIZER
PROCESSOR
CAMERA
CONTROL
2
UART
I C
INTEGRATED CONTROL
14
ꢀꢀ15
Automotive Product Guide
Automotive Product Guide
High-Performance Video Decoder Delivers
Excellent Digital Video Quality
Meets Automotive Marketꢀs Strict Requirements for Operating Temperature,
Cost, and Ease of Use
Experience Uncompromised Infotainment and
Performance with Space-Efficient Designs
Industry’s First Diversity Digital TV, ISDB-
T
/
DVB-T Tuner:
MAX2135A
VHF
• High
dynamic range provides superior reception
(-99dBm to +10dBm)
LOW IF
LOW IF
UHF
1.8V operation reduces
power consumption
54MHz, 10-bit
converter
Four-line adaptive
comb filter
27MHz, 8-/10-bit
parallel output
• 50%
smaller footprint (7mm x 7mm) than the competition
allows for much smaller designs
VHF
UHF
MAX9526
Y
PROC
Industry-standard
digital component
video output
Standard
analog
video input
DC
RESTORE
AGC
10-BIT
(ITU-R BT.656) for
digital processing
C
PROC
Lower Noise Figure and Power at Half the Size of the Competition
Integrated
anti-aliasing
filter (analog
and digital)
2
PLL
I C
AND LOGIC
5
600
5.0
4.0
3.0
2.0
1.0
0
600
500
400
300
200
100
0
3.7
Integrated
PLL
Autodetects
360
NTSC and PAL
Provides Excellent Video Quality
• 54MHz,
10-bit ADC
Offers Ease of Use
• Only
16 user-programmable registers
• 4x
oversampling (54MHz)
• Multiline
adaptive comb filter
• Internal
anti-aliasing filter
• Autoselects
NTSC or PAL input analog video signal
(all local variations)
MAX2135A
COMPETITOR
COMPETITOR
MAX2135A
2
• Auto
or manual TV standard selection through I
C interface
Satisfies Automotive Requirements
MAX2169
• -40°C
to +125°C operating temperature range
• Under
200mW typical power dissipation
• Dual-output,
zero-IF or low-IF (DAB/DMB-T) outputs
support multiple interfaces
VHF
UHF
• Low-power
design (100mW) enables portable aftermarket
automotive applications
I/Q AND
REMOD
LOW IF
NTSC/PAL Video Decoder Comparison
Package Size
Operating Power
(mW)
Digital I/O
(V)
Temperature Range
(°C)
L-BAND
Part
2
(mm )
30
144
36
200
335
250
1.7 to 3.5
3.0 to 3.5
3.0 to 3.5
-40 to +125
0 to +70
Competitor A
Competitor B
-40 to +85
16
ꢀꢀ17
Automotive Product Guide
Automotive Product Guide
Direct-Conversion, Low-IF DAB Tuner Allows
Complete GPS, GLONASS, Compass, and
Low-Power, Tuner-On-Board Designs
Galileo Front-End
®
• Excellent
blocking performance (50dB ACPR) offers
static-free reception
• Simplified
RF to Bits architecture
• Highly
integrated RF to Bits receiver eliminates
external ADC, thus increasing design flexibility
to support any navigation application
· Modularized
system and reduced design time
· Allows
the DSP to support other features
FRAC-N
PLL
ACTIVE
ANTENNA
Consumes Less Power
than the Competition
• Achieves
low 1.4dB noise figure without an
external LNA for efficient satellite syncing
DIGITAL
LOW IF
LNA2
LNA1
PASSIVE
100
100
ANTENNA
• Noise
figure falls to 0.8dB when paired with
ADC
MAX2769
80
60
VHF_IN
MAX2173
LBAND_IN
2
I S
(DIGITAL
INTERFACE,
RF-TO-BITS)
50
40
20
0
ADC
COMPETITOR
MAX2173
0.8dB Noise Figure, 20dB Gain GPS LNA
Improves Your Existing Solution
Ultra-Small Leadless Package Saves Size and Cost
Highly Integrated Active-Antenna Solutions
Improve Functionality and Save Space and Cost
GND
GND
RFIN
RFOUT
• Automatic
gain control (AGC) and adjustable AGC attack
points facilitate very versatile active AM/FM antenna
solution for any automotive application
SHDN
Improves your current
GPS receiver’s sensitivity
• Highly
integrated architecture eliminates need for
expensive, unpredictable pin diodes at LNA input
V
CC
BIAS
FM
V
CC
• Cutting-edge
CMOS process provides a 6V to 24V
operating voltage range
L1
C1
Cb
DET
MAX2659
V
V
CC
REG
INPUT MATCH L1 = 6.5nH
INPUT DC BLOCK C1 = 1800pF
SUPPLY BYPASS Cb = 33nF
V
CC
• High
integration eliminates large, expensive, discrete
transistor solutions
AM
• Ultra-low
noise figure (1dB, first stage) provides fast
GPS lock
MAX2180
DET
Increases Performance of Existing Solution
• High
20.5dB gain
Maximizes Space and Minimizes Expense
• Integrated
50Ω output-matching circuit
• Highly
versatile design allows external filtering between
first and second stage, providing flexibility for system
optimization
IN
OUT
• Ultra-low
0.8dB noise figure
• 4.1mA
supply current
• Ultra-small,
RoHS-compliant, lead-free, 1.5mm x 1.0mm,
6-pin
μ
DFN package
MAX2670
• 1.6V
to 3.3V supply voltage
18
ꢀꢀ19
Automotive Product Guide
Automotive Product Guide
High-Voltage LDOs and Switches Prevent System
Damage to Remote RF LNAs
Keyless Go for Car Access and Mobilization
with Improved Range, Reliability, and Cost
22kHz BPSK System Allows for Zero Blind Spots Using Fewer Coils
Provide Fault-Proof Phantom Power to Remote Antennas
Prevent System Damage While Providing Regulated Power
Industry’s Highest Performance
Industry’s Lowest Cost
BATTERY INPUT
R
SENSE
• Analog
current measurement output
• Detect
open-load and short-circuit conditions
• Thermal
shutdown
• Long
LF range allows for improved comfort functions
• Industry’s
lowest system cost due to fewer coils and less
expensive installation
L
OUT
• Autonomous
system allows for minimal interaction of the
with ECU and personalization of the key/car
REGULATED
PHANTOM
SUPP
L
Y
C
IN
• Significant
cost reduction due to high integration in key/car
R
4
5
IN
SENS OUT
FB
• 3D
active immobilizer allows for battery-less orientation
independent communication with much longer range
· Car:
microcontroller, immobilizer reader, LF-TX, door
handle interface
· Key:
microcontroller, 3D LF-RX, 3D active immobilizer
• Overcurrent
blanking enables hot-swapping
• -40°C
to +105°C automotive temperature range
• AEC-Q100
qualified
C
OUT
µ
C SUPP
L
Y
R
MAX16946
COMP
• Industry’s
highest reliability through better coverage and
immunity to interference (due to the 22kHz frequency)
• Tolerate
load-dump supply up to 45V
• Regulated
3.3V to 15V LDO output
• Adjustable
current limit (500mA, max)
R
PU
REG
REF
Fully Integrated Keyless Go Solution
SC
OL
ERROR
FLAGS
R
1
RF + micro integrated system-on-chip
LF transmitter system-on-chip
CURRENT-
SENSE
OUTPUT
LIM
O
L
T
AOUT
SHDN
R
2
3
Key fob
Car
ON/OFF
For smart key and TPMS
LF receiver chip
RF TRx
µ
C
GND
R
SAW
RF TRx
Interface
to ECU
BATTERY INPUT
D
IN
3D LF
Rx
C
IN1
LF
T
x
µ
C
IN
µ
C
OUT1
FB1
3D
IMMOB
C
OUT1
IMMO
R1
READER
1
ERR1
ERROR FLAGS
ERR2
Reduces Overall Antenna System Cost by
Integrating
T
wo Channels for Multiband
AOUT
R2
C
1
REG
MAX16948
SENSE1
22kHz System Doubles the Detection Range
Fewer Coils and 100% Coverage, No Blind Spots
• Protects
system against output fault conditions
and input-voltage transients
LIM1
R
LIM2
CURRENT-SENSE
OUTPUTS TO ADC
Antennas
• Provides
regulated power to remote LNA
Keyless Go
Competitor
· Integrated
LDO provides regulated power
between 3.3V and 12V
· High
PSRR (73dB) enables clear signal
transmission
• Fault
flag diagnostics notify system of open-load
and short-circuit conditions
SENSE2
OUT2
FB2
C
OUT2
R1
2
SHDN1
SHDN2
R2
2
OFF ON
LIM2
GND
R
LIM2
Antennas
20
ꢀꢀ21
Automotive Product Guide
Automotive Product Guide
Low-Power 300MHz to 450MHz Transmitters
and Receivers Increase Battery Life
Space-Saving 300MHz to 1500MHz LNA
Extends Range of Automotive RKE Systems
Ideal for
High Performance, Improves Range
• 3.5mA
supply current
Temp Range
Power Consumption
Price*
($)
Part
Type
Rx
Tx
RF Performance at 315MHz
Modulation
(°C)
(mA)
• RKE
and remote start
• RF
remote controls
• Security
systems
• Tire
pressure monitor
systems (TPMS)
-114dBm (ASK)/-108dBm (FSK)
with 45dB image rejection
MAX1471
MAX1472
MAX7034
MAX7036
MAX7044
MAX7057
MAX7058
-40 to +125
7.0 (typ)
ASK/FSK 2.39
• 2.7V
to 5.5V single supply
V
CC
• 0.9dB
NF with matching components
5.3 (typ, ASK at
50% duty cycle)
-40 to +125
-40 to +125
-40 to +105
-40 to +125
-40 to +125
-40 to +125
+10dBm output
ASK
ASK
0.96
1.72
1.12
V
CC
• 15dB
gain
BIAS GENERATOR
-114dBm with 50dB image
rejection
• Tunable
to 308MHz, 315MHz, 345MHz, 433.92MHz,
868MHz, and 902MHz to 928MHz
Rx
Rx
Tx
6.7 (typ)
5.5 (typ)
• Garage
door openers
RFIN
RFIN
RFOUT
RFOUT
LNA
-109dBm with integrated RF
filter
Up to -114dBm
Receive Sensitivity
ASK
AEC-Q100 Grade 1 Qualified
MAX2640
7.7 (typ, ASK at
50% duty cycle)
GND
• -40°C
to +125°C automotive temperature range
+13dBm output
ASK
1.05
1.26
1.32
Saves Space
+10dBm output, SPI tunable
from 300MHz to 450MHz
Tx
8.5 (typ)
8.0 (typ)
ASK/FSK
ASK
• Internally
biased to eliminate the need for external bias
resistors and chokes
+10dBm output, dual frequency
(315MHz and 390MHz)
Tx
• 2.8mm
x 2.9mm, 6-pin SOT23
Industry’s Highest Performance 300MHz to
450MHz Transceivers
Increase Range and Add Two-Way Capabilities to Car Alarms,
RF Modules, and Remote Controls
Versatile, High-Performance VCO Enables
Multiple Automotive Applications: MAX2620
• Wide
frequency range provides versatility of deployment
• Smallest
form factor conserves board space
SINGLE SIDEBAND
PHASE NOISE
-40
-50
• Exceptional
out-of-band phase noise allows use in base-station
platforms
L1 = 5nH INDUCTOR
C6 = 1.5pF
-60
referenced VHF/UHF transceivers are easy-to-use,
high-performance devices that allow quick, two-way
implementation of one-way systems.
RF
FSK Deviation
Part
Modulation
-70
(MHz)
(kHz)
-80
MAX7030HATJ
MAX7030LATJ
MAX7031HATJ17
MAX7031HATJ51
MAX7031LATJ
433.92
315
ASK
ASK
FSK
FSK
FSK
FSK
—
-90
-100
-110
-120
-130
-140
-150
—
L1 = COAXIAL
CERAMIC RESONATOR
(TRANS-TECH
SR8800LPQ1357BY)
C6 = 1pF
433.92
433.92
308
17.2
51.7
51.4
49.5
• -114dBm
(ASK)/-110dBm (FSK) Rx sensitivity
• +10dBm
output power
• 12mA
Tx current (FSK)
• 6.1mA
Rx current
0.1
1
10
100
1000
MAX7031MATJ50
315
OFFSET FREQUENCY (kHz)
• -40°C
to +125°C automotive temperature range
Frequency Range
(MHz)
P
OUT
P
OUT
V
CC
(V)
I
SUPPLY
Package
Part
(dBm, min)
(dBm, max)
(mA)
3.6 to 5.5
9
(mm x mm)
10 to 500
10 to 1050
-16
-16
-3
-1
-2
-3
2.7 to 5.5
2.5 to 5.25
2.7 to 5.5
6-SOT23 (2.7 x 2.9)
®
8-
μ
MAX (3.0
x 4.9)
*1000-up recommended resale. Prices provided are for design guidance and are FOB USA. International prices will differ due to local duties, taxes, and exchange rates. Not all packages are offered in 1k increments,
and some may require minimum order quantities.
2400 to 2500
11.3
8-
μ
MAX (3.0 x 4.9)
22
ꢀꢀ23
Automotive Product Guide
Automotive Product Guide
Maxim ASIC Design Services
Highly Integrated, High-Output-Current
Multistring Drivers Provide a Reliable Solution
Custom-Tailored Solutions for Your Specific Needs
ASIC Design Services
ASIC Design Services
Customer Benefits
Protect LEDs and Driver in Case of Fault, and Allow Dimming Over
a 5000:1 Range
18 years of experience in the ASIC
business
Expertise results in a high first-
silicon success rate
Maxim’s ASIC design services are available to meet your
specific application requirements. Maxim offers flexible
engagement options, from foundry sales through turnkey
design to joint-development projects.
Fast time to market; vast application
coverage
Rich analog RF IP catalog
Robust, Fault-
T
o
lerant Solution
Ideal for a Wide Range of Backlighting Applications
• Up
to 150mA/string
Optimized in-house process
technologies
Controlled environment provides
optimal performance-cost tradeoff
• 40V
input capability
• Automatically
disables LED strings if LEDs fail
as open or short
Highly Integrated, Cost-Effective Solution
• Fault-detection
output
• Internal
MOSFETs (except switching MOSFET
Allow Dimming Over a Wide Range
• 5000:1
PWM dimming range at 200Hz
dimming frequency
• Output-voltage
optimization for maximum efficiency
• LED
fault protection
Monitors for Thermocouple Opens and Shorts
Available in TQFN and TSSOP Packages
MAX31855 R
eplaces Four Precision Components and Features
Open/Shor
t Detection
With the temperature extremes involved, thermocouples are used in a variety of automotive applications, including exhaust gas
temperature (EGT) and cylinder head temperature (CHT) monitoring. The ne
w MAX31855 f
rom Maxim converts thermocouple
signals to a serial digital word with no external components. And unlike the discrete solution, it monitors the thermocouple for opens
and shorts.
Adaptive voltage optimization
maximizes eciency and
minimizes P
DISS
V
IN
4.5V TO 40V
UP TO 40V
Replaces Four Discrete Components
V
CC
MAX31855
• Temperature
sensor for cold-junction compensation
• Precision
voltage reference
V
CC
S5
S4
SCK
SO
CS
COLD-JUNCTION
COMPENSATION
DIGITAL
CONTROL
• Low-offset
amplifier
• High-resolution
ADC
IN NDRV
CS
OVP
Flexible Architecture
OUT1
OUT2
OUT3
OUT4
T+
T-
• Supports
J, K, N, S, T, R, and E thermocouples
• Converts
temperatures from -270°C to +1800°C
V
CC
ADC
Up to 5000:1 PWM
dimming range
S1
MAX16814
SETI
Enhances Vehicle Safety and Reliability
DRV
Fail-proof: open-LED and
shorted-LED protection
FAULT
DETECTION
S2
• Monitors
for thermocouple
F
L
T
GND
Reduces Time to Market
• SPI-compatible
serial interface
• EV
kit available
DIM
REFERENCE
VO
L
TAGE
S3
COMP
GND
24
ꢀꢀ25
Automotive Product Guide
Automotive Product Guide
Boost/Buck-Boost Controller Enables More
Reliable, Low-EMI Fault-Tolerant LED Drivers
Complete Solution for Automotive Battery
with 80V-Tolerant Process
Reliable, Fault-
T
o
lerant Solution
Robust, Daisy-Chained Communication Bus Reduces Total System
Cost by Up to 80%
• High-side
current sense and high-side pMOS drivers
Buck-boost
allow protection against any short between input,
output, and ground
SHORT-CIRCUIT PROTECTED
up to 6 LEDs
REGENERATION
Li+ BATTERIES
• Wide
input-voltage capability up to 65V
• Overvoltage
and thermal protection
• Fault
indicator output
SMBus ladder eliminates
costly isolators
DRIVING
SHORT-CIRCUIT
PROTECTED
12
11
• -40°C
to +125°C temperature range
MODULE
5V TO 65V
INPUT
MAX11080
MAX11068
31
2
1
Improved EMI
• Internal
frequency dithering improves EMI and reduces
EMI filtering needs
DIM INPUT
MAX16833
Very Flexible
12
11
+
FAULT OUTPUT
• Wide
PWM-dimming range
MODULE
30
MAX11080
MAX11068
• Allows
single-wire connection to the LEDs
• Boost,
buck-boost, buck, and SEPIC configurations
2
1
Boost 6
LEDs or more
Qualified
by multiple
automotive
OEMs
INVERTER
•
Packaged in a 16-Pin TSSOP
12
11
MOTOR
MODULE
2
MAX11080
MAX11068
−
2
1
Linear Driver Uniquely Fulfills Automotive
Fault-Detection Requirements
Advanced Fault-Detection Features
12
11
MODULE
1
MAX11080
MAX11068
V
IN
2
1
V
5V TO 40V
BAT
• Open-LED
detection output
Robust EMI-/EMC-compliant
communications
• In
multistring applications, if one string fails, all are shut down
Constant-Current LED Control
C
IN
0.01
µ
F
I
LED
100mA
LEDs
• 15mA
to 100mA LED current
• Industry’s
best overvoltage accuracy
• Thorough
pin open/short detection
• Compatible
with ALL cell types
•
5% current accuracy
• Highest
voltage: 80V-tolerant process
• Highest
cell count: 12-cell capable
• Fastest
cell scanning: 107
μ
s
IN
MAX16839
GND
Ideal for Automotive Voltage and
T
e
mperature Requirements
• 5V
to 40V operating input-voltage range
DIM
SINK
CS
• Built-in
self-diagnostics
• Ultra-low-power
current drain: 75
μ
A
• Shutdown-mode
current: < 1
μ
A
• -40°C
to +125°C temperature range
F
L
T
S
• Ultra-low-power
current drain: 80
μ
A
• Shutdown-mode
current: 2
μ
A
C
F
L
T
S
0.1
µ
F
Available in 6-Pin TDFN and 8-Pin SO Packages
R
CS
2
Ω
26
ꢀꢀ27
Automotive Product Guide
Automotive Product Guide
Industry’s First Integrated, Dual 2-Wire
Hall-Effect Sensor Interface Solution
Improves Reliability and Performance While Saving Cost
Rugged Amplifiers and Comparators Are Ideal
for Your Automotive Analog-Controlled Systems
Electronic
Automotive-Grade High-Voltage
Sunroof control
power steering
Seat-control
Signal Conditioners and Sensor
Signal Interface ICs
modules
Window lifters/
power-door
Withstands up to
60V load dumps
Output filter
eliminates glitching
modules
Infotainment
Robust design survives
shorts to ground,
shorts to battery, and
V
Power
BAT
ECU
*
1ꢀ5V HBꢁ
stri5es
mirrors
Engine-control
module
Ideal for window lifters (antipinch
control), magnetic relays,
automatic doors, seatbelt buckles,
electric sunroofs, and powered
liftgate controllers
OUT1
FI
L
T
ER
Transmission
ABS and
stability
control/gearbox
Tire-pressure
monitoring
CH1
µ
C
DIAG
N
DIAGNOSTICS
Operational Amplifiers
S
HALL-EFFECT
SENSOR
CH2
OUT2
Supply
Auto
No. of
Part
Rail-to-Rail
Supply-Voltage
Range (V)
GBWP
MAX9921
Current per
Amp (mA)
Temp
Features
Amps Input
or Output
(MHz)
Range*
ELECTRIC MOTOR
GND
1/2
Output
Input, output
Input, output
Output
2.3 to 7
2.7 to 5.5
2.7 to 5.5
2.7 to 5.5
2.7 to 5.5
2.7 to 5.5
2.7 to 5.5
2.7 to 5.5
4.5 to 11
0.0008
1.1
0.375
0.32
2.5
0.045
1.9
0.8
0.004
10
1
0.8
10
0.14
7
Low supply current (800nA)
Built-in RF immunity
Low-power shutdown (50nA)
Shutdown mode
1/2
/
4
1/2/2
1/2
/
4
1/2
/
4
1/2
/
4
✓
**
✓
High-side current-sense
architecture eliminates
need for a ground return
wire without introducing
ground shift
Integrated diagnostics
detect shorts, opens, and
low-battery faults
✓
Output
Output
Output
Low distortion (0.0002% THD+N)
Micropower current consumption (0.5
μ
A)
Unity-gain stable, no phase reversal
High slew rate (10V/
μ
s)
✓
**
✓
✓
1/2
/
4
1/2
/
4
Input, output
Output
10
5
✓
**
✓
**
Improves Performance and Reliability
Saves Space and Cost
0.77
Small package (SC70)
• Integrated
diagnostics detect shorts, opens,
and low-battery faults
• High-side,
current-sense architecture eliminates the need for
a ground return wire
Current-Sense Amplifiers
• Withstands
up to 60V load dumps
• Robust
15kV HBM ESD protection
• Integrated
deglitching output filters
• Eliminates
up to 10 discrete components
CMVR
(V)
Supply-Voltage
Range (V)
Supply
Bidirectional
GBWP
(kHz)
Auto Temp
Features
Range*
Part
Current (
μ
A) Current
Sense
• Integrates
two complete sensor interface channels into a
®
single 3mm x 5mm, 10-pin
μ
MAX package
1.35 to 24
2 to 28
2.7 to 24
3 to 28
100
40, 100
1.5% total output error
✓
✓
500
1600, 1700, 1800, 1800
1200, 1700, 2000, 2000
75 to 230
1% accuracy, SC70
0.5% accuracy
0.6% accuracy
✓
0 to 28
3 to 28
1000
✓
**
✓
**
-20 to +75
4.5 to 5.5
1000
✓
Comparators
No. of
Comparators
Supply-Voltage
Range (V)
Supply
Current (
μ
A)
Propagation
Delay (ns)
Logic
Output
Part
Auto Temp Range*
Features
Hysteresis for low-power,
rail-to-rail output
MAX9021/22/24
MAX9140/41/42/44
MAX919/20
1/2
/
4
1/1/2
/
4
1
2.5 to 5.5
2.7 to 5.5
1.8 to 5.5
5
3000
40
CMOS/TTL
CMOS/TTL
CMOS/TTL
✓
320
0.8
500
μ
V offset voltage
✓
(**, MAX9140A only)
Nanopower (750nA),
1.245V 1.5%
REF
22000
*Human Body Model
*Automotive temperature range: -40
°
C to +125
°
C
*
*
A
EC-Q100 Grade 1 qualified
28
ꢀꢀ29
Automotive Product Guide
Automotive Product Guide
Heavy on Features, Light on Cost
Optimize Your Automotive Design with Maximꢀs Family of Low-Cost,
Low-Power ADCs
Spread-Spectrum Solutions Reduce Peak EMI
by Up to 20dB
Silicon Oscillators with Spread-Spectrum Modulation
• Robust—no
XTAL required
Extend Battery Life
• Flexible—programmable
or fixed
• 3.7mW
active, 3.9
μ
W power-down
f
I
N
= 27MHz
• Broad—4.8kHz
to 133MHz
Save Space and Cost
• No
programming—pin-selectable dither settings
• 130kHz
to 66.6MHz
• Footprints
as small as 2.9mm x 2.8mm
x
x
x
• Priced
as low as $0.85*
2 channels
2 channels
1 channel
f
IN
= 27MHz
X2
X1
• -40°C
to +125°C
Resolution
(Bits)
Speed
SNR
(dB)
Power
(mW)
MAX31D80
Part
Package
(Msps, max)
Spread-Spectrum Clock Generators
• Simple—pin
programmable
• Flexible—PLL
clock multiplier
• Accurate—low
jitter
XOUT
V
CC
12
12
12
10
10
8
72
72
72
61
MAX, TDFN
MAX, TDFN
SOT23
MAX11102
MAX11103
MAX11105
MAX11106
MAX11110
MAX11111
MAX11115
MAX11116
MAX11117
2
3
2
3
2
3
2
3
3
3.7
μ
μ
5.2
3.7
SMSEL1
SMSEL0
CLKOUT
V
CC
TDFN
5.2
3.7
• Low
cost
V
CC
GND
61
SOT23
DECOUPLING
CAPACITOR
• No
programming—pin-selectable dither settings
• 75ps
jitter
49
49
49
61
TDFN
5.2
3.7
8
SOT23
8
SOT23
5.2
5.2
10
SOT23
• 2MHz
to 134MHz
For additional EMI-reduction solutions, visit
*MAX11115, 1000-up
recommended resale. Prices provided are for design guidance and are FOB USA. International prices will differ due to local duties, taxes, and exchange rates. Not all packages are offered in 1k
increments, and some may require minimum order quantities.
30
31
Automotive Product Guide
Maxim’s Products Satisfy the Quality Needs
of the Automotive Market
Automotive “V” Flow Drives Products to Zero Defects
/V Features
Availability
ISO/TS 16949
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
FAB—2 sites
Parametric (PT)
Wafer sort (probe)
SYA/SBL
Assembly—2 sites
Burn-in
Tri-temp tested
AEC-Q100 qualified
SPC, Cpk
≥
1.67
PPAP
PCN horizons
Distinctive Attributes of Maxim’s Vehicle (“V”) Flow
• Full
ISO/TS 16949:2002- and ISO 9001:2008-certified quality management system
• Full
ISO 14001:2004-certified environmental management system
• AEC-Q100-qualified
parts for specified temperature grades
• Statistical
process controls to Cpk
≥
1.67 on all key parameters
• Production
Part Approval Process (PPAP) available
• Restriction
to a maximum of two qualified production sites for wafer, assembly, and test
• Global
failure-analysis support centers improve customer support
• Worldwide
field quality support—Europe, Asia, Japan, and North America
• Limited
product-change control system and extended PCN horizons
Select Maxim’s “V” products, like the MAX2141ETH/V+, to receive AEC-Q100-qualified automotive parts.
μ
MAX and Maxim are registered trademarks of Maxim Integrated Products, Inc.
RF to Bits is a registered trademark and registered service mark of Maxim Integrated Products, Inc.
Apple, iPod, iPhone, and iPad are registered trademarks of Apple Inc.
MICROWIRE is a registered trademark of National Semiconductor Corporation.
Nuvation is a registered service mark of Nuvation Research Corporation.
QSPI is a trademark of Motorola, Inc.
© 2012 Maxim Integrated Products, Inc. All rights reserved. Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc., in
the United States and other jurisdictions throughout the world. All other company names may be trade names or trademarks of their respective owners.
Rev. 0; October 2012
