STMicroelectronics-BU931P
| Part # | STMicroelectronics-BU931P |
Download  | STMicroelectronics-BU931P |
BU931T
Automotive-grade high voltage ignition coil driver
NPN power Darlington transistor
Datasheet – production data
Features
AEC-Q101 qualified
Very rugged Bipolar technology
High operating junction temperature
TAB
Applications
High ruggedness electronic ignitions
3
2
1
Description
TO-220
This is a high voltage power Darlington transistor
developed using multi-epitaxial planar
technology. It has been properly designed for
automotive environment as electronic ignition
power actuators.
Figure 1: Internal schematic diagram
Table 1: Device summary
Order code
Marking
Package
Packing
BU931T
BU931T
TO-220
Tube
October 2017
DocID1004 Rev 5
1/12
This is information on a product in full production.
Contents
BU931T
Contents
2/12
DocID1004 Rev 5
BU931T
Electrical ratings
1
Electrical ratings
Table 2: Absolute maximum ratings
Symbol
Parameter
Value
500
400
5
Unit
V
V
CES
V
CEO
V
EBO
I
C
Collector-emitter voltage (V
BE
= 0)
Collector-emitter voltage (I
B
= 0)
V
Emitter-base voltage (I
C
= 0)
Collector current
V
10
A
I
CM
Collector peak current
Base current
20
A
I
B
1
A
I
BM
Base peak current
5
A
P
TOT
T
stg
T
j
Total dissipation at Tc = 25 °C
Storage temperature range
Operating junction temperature range
125
W
°C
°C
-65 to 175
Table 3: Thermal data
Symbol
R
thJC
Parameter
Thermal resistance junction-case
Thermal resistance junction-ambient
Value
1.2
Unit
°C/W
°C/W
R
thJA
62.5
DocID1004 Rev 5
3/12
Electrical characteristics
BU931T
2
Electrical characteristics
(T
C
= 25 °C unless otherwise specified)
Table 4: Electrical characteristics
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
V
BE
= 0 V, V
CE
= 500 V
–
–
–
–
–
–
100
0.5
100
0.5
20
μA
mA
µA
mA
mA
V
Collector cut-off
current
I
CES
V
BE
= 0 V, V
CE
= 500 V,
I
B
= 0 A, V
CE
= 450 V
Collector cut-off
current
I
CEO
I
B
= 0 A, V
CE
= 450 V,
Emitter cut-off current
I
EBO
I
C
= 0 A, V
EB
= 5 V
Collector-emitter
sustaining voltage
I
B
= 0 A, I
C
= 100 mA
400
I
C
= 7 A, I
B
= 70 mA
I
C
= 8 A, I
B
= 100 mA
I
C
= 10 A, I
B
= 250 mA
I
C
= 7 A, I
B
= 70 mA
I
C
= 8 A, I
B
= 100 mA
I
C
= 10 A, I
B
= 250 mA
I
C
= 5 A, V
CE
= 10 V
I
F
= 10 A
–
–
–
–
–
–
–
–
1.6
1.8
1.8
2.2
2.4
2.5
V
V
V
V
V
V
Collector-emitter
saturation voltage
Base-emitter
saturation voltage
DC current gain
300
8
V
F
Diode forward voltage
2.5
V
A
V
CC
= 24 V,L = 7 mH,
V
clamp
= 400 V
Functional test
–
Notes:
(1)
Defined by design, not subject to production test.
(2)
Pulse test: pulse duration ≤ 300 μs, duty cycle ≤ 2 %.
Table 5: Inductive load switching times
Symbol
Parameter
Storage time
Fall time
Test conditions
Min. Typ. Max. Unit
t
s
t
f
–
–
15
–
–
μs
μs
V
CC
= 12 V, V
clamp
= 300 V, L = 7 mH,
R
BE
= 47 Ω, I
C
= 7 A, I
B
= 70 mA
0.5
4/12
DocID1004 Rev 5
BU931T
Electrical characteristics
2.1
Electrical characteristics (curves)
Figure 2: Safe operating area
Figure 3: DC current gain
Figure 4: Switching time inductive load
Figure 5: Collector-emitter saturation voltage
@ h
FE
= 50
Figure 6: Collector-emitter saturation voltage
@ h
FE
= 100
Figure 7: Collector-emitter saturation voltage
DocID1004 Rev 5
5/12
Electrical characteristics
BU931T
Figure 9: Base-emitter saturation voltage
@ h
FE
= 100
Figure 8: Base-emitter saturation voltage @ h
FE
= 50
6/12
DocID1004 Rev 5
BU931T
Test circuits
3
Test circuits
Figure 10: Functional test circuit
Figure 11: Functional test waveforms
Figure 12: Switching time test circuit
Figure 13: Sustaining voltage test circuit
DocID1004 Rev 5
7/12
Package information
BU931T
4
Package information
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
®
packages, depending on their level of environmental compliance. ECOPACK
®
ECOPACK
®
is an ST trademark.
8/12
DocID1004 Rev 5
BU931T
Package information
4.1
TO-220 type A package information
Figure 14: TO-220 type A package outline
DocID1004 Rev 5
9/12
Package information
BU931T
Table 6: TO-220 type A package mechanical data
mm
Dim.
Min.
4.40
0.61
1.14
0.48
15.25
Typ.
Max.
4.60
0.88
1.55
0.70
15.75
A
b
b1
c
D
D1
E
1.27
10.00
2.40
4.95
1.23
6.20
2.40
13.00
3.50
10.40
2.70
5.15
1.32
6.60
2.72
14.00
3.93
e
e1
F
H1
J1
L
L1
L20
L30
øP
Q
16.40
28.90
3.75
2.65
3.85
2.95
10/12
DocID1004 Rev 5
BU931T
Revision history
5
Revision history
Table 7: Document revision history
Changes
Date
Revision
Package changed from TO-218 to TO-247 for BU931P.
Inserted type in TO-220 (BU931T).
18-Nov-2008
3
Modified I
C
test condition value of V
CEO(sus)
parameter
Table 4 on
page 4
, updated TO-220 package mechanical data.
02-Dec-2009
12-Oct-2017
4
5
The part numbers BU931 and BU931P have been moved to two
separate datasheets.
Minor text changes.
DocID1004 Rev 5
11/12
BU931T
IMPORTANT NOTICE
–
PLEASE READ CAREFULLY
STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications
, and
improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST
products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of or
der
acknowledgement.
Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the
design of Purchasers’ products.
No license, express or implied, to any intellectual property right is granted by ST herein.
Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product.
ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners.
Information in this document supersedes and replaces information previously supplied in any prior versions of this document.
© 2017 STMicroelectronics
–
All rights reserved
12/12
DocID1004 Rev 5
