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VNH7070AS-E PDF Datasheet - STMicroelectronics

Part Number VNH7070AS-E
Description Automotive fully integrated H-bridge motor driver
Manufacturers STMicroelectronics 
Logo STMicroelectronics Logo 
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VNH7070AS-E datasheet, circuit
VNH7070AS-E
Automotive fully integrated H-bridge motor driver
Features
SO-16N
GAPGCFT00648
Type
VNH7070AS-E
RDS(on)
70 mΩ typ
(per leg)
Iout VCCmax
15 A 41 V
Automotive qualified
Output current: 15 A
3 V CMOS-compatible inputs
Undervoltage shutdown
Overvoltage clamp
Thermal shutdown
Cross-conduction protection
Current and power limitation
Very low standby power consumption
Protection against loss of ground and loss of
VCC
PWM operation up to 20 KHz
CS diagnostic functions
– Analog motor current feedback
– Output short to ground detection
– Thermal shutdown indication
– OFF-state open-load detection
– Output short to VCC detection
Output protected against short to ground and
short to VCC
Standby Mode
Half Bridge Operation
Package: ECOPACK®
Datasheet - preliminary data
Description
The VNH7070AS-E is a full bridge motor driver
intended for a wide range of automotive
applications. The device incorporates a dual
monolithic high-side driver and two low-side
switches.
Both switches are designed using
STMicroelectronics’ well known and proven
proprietary VIPower® M0 technology that allows
to efficiently integrate on the same die a true
Power MOSFET with an intelligent
signal/protection circuitry. The three dies are
assembled in SO-16N package on electrically
isolated leadframes.
Moreover, its fully symmetrical mechanical design
allows superior manufacturability at board level.
The input signals INA and INB can directly
interface to the microcontroller to select the motor
direction and the brake condition. A SEL0 pin is
available to address to the microcontroller the
information available on the CS. The CS pin
allows to monitor the motor current by delivering a
current proportional to the motor current value.
The normal operating condition is explained in the
truth table.
The PWM, up to 20 KHz, allows to control the
speed of the motor in all possible conditions. In all
cases, a low level state on the PWM pin turns off
both the LSA and LSB switches.
Table 1. Device summary
Package
Order codes
Tube
Tape and reel
SO-16N VNH7070AS-E VNH7070ASTR-E
November 2014
DocID025221 Rev 6
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
1/23
www.st.com

1 page
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VNH7070AS-E pdf, schematic
Contents
Contents
VNH7070AS-E
1 Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3 Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.1 GND protection network against reverse battery . . . . . . . . . . . . . . . . . . . 18
3.1.1 Diode (DGND) in the ground line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.2 Immunity against transient electrical disturbances . . . . . . . . . . . . . . . . . . 18
4 Package and packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.1 ECOPACK® . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.2 SO-16N mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2/23 DocID025221 Rev 6

2 Page
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VNH7070AS-E equivalent
VNH7070AS-E
Block diagram and pin description
1 Block diagram and pin description
Figure 1. Block diagram
V CC
LSA_OVERTEMPERATURE
HSA_OVERTEMPERATURE
POWER
LIMITATION
LSB_OVERTEMPERATURE
UV HSB_OVERTEMPERATURE
CLAMP HS A
OUT A
HS A
Open-load
OFF-state A
DRIVER
HS A
CURRENT
LIMITATION A
CLAMP LS A
1/K
LS A
DRIVER
LS A
OVERLOAD
DETECTOR A
GND A
IN A
CLAMP HS B
LOGIC
FAULT
DETECTION
DRIVER
HS B
CURRENT
LIMITATION B
1/K
CLAMP LS B
HS B
Open-load
OFF-state B
OUT B
MUX
CS SEL0 INB PWM
DRIVER
LS B
OVERLOAD
DETECTOR B
LS B
GND B
GAPGCFT01189
Table 2. Block description
Name
Description
Logic control
Allows the turn-on and the turn-off of the high-side and the
low-side switches according to the truth table.
Undervoltage
Shuts down the device for battery voltage lower than 4 V.
High-side and low-side clamp voltage
Protect the high-side and the low-side switches from the
high voltage on the battery line.
High-side and low-side driver
Current limitation
Drive the gate of the concerned switch to allow a proper
Ron for the leg of the bridge.
Limits the motor current in case of short circuit.
High-side and low-side overtemperature
protection
In case of short-circuit with the increase of the junction
temperature, it shuts down the concerned driver to prevent
degradation and to protect the die.
Low-side overload detector
Detects when low side current exceeds shutdown current
and latches off the concerned Low side.
DocID025221 Rev 6
5/23
22

5 Page
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VNH7070AS-E diode, scr
VNH7070AS-E
Electrical specifications
2.3
Electrical characteristics
Values specified in this section are for VCC = 7 V up to 28 V; -40°C < Tj < 150°C, unless
otherwise specified.
Symbol
Parameter
Table 6. Power section
Test conditions
Min. Typ. Max. Unit
VCC Operating supply voltage
Off-state -standby; INA = INB = 0;
SEL0 = 0; PWM = 0; Tj = 25 °C;
VCC = 13 V
Off-state -standby; INA = INB = 0;
SEL0 = 0; PWM = 0; VCC = 13 V;
Tj = 85 °C
IS Supply current
Off-state -standby; INA = INB = 0;
SEL0 = 0; PWM = 0; VCC = 13 V;
Tj = 125 °C
Off-state (no standby);
INA = INB = 0; SEL0 = 5 V;
PWM = 0
4
28 V
1 µA
1 µA
3 µA
2 4 mA
On-state: INA or INB = 5 V;
PWM = 0 V or PWM=5 V;
SEL0 = X
3 6 mA
TD_sdby
Standby mode blanking
time
VCC =13 V;
INA = INB= PMW = 0 V;
VSEL0 from 5 V to 0 V
0.2 1 1.8 ms
IOUT = 3.5 A; Tj = 25°C
RONHS Static high-side resistance
IOUT = 3.5 A; Tj = -40 to 150°C
42 mΩ
85 mΩ
IOUT = 3.5 A; Tj = 25°C
RONLS Static low-side resistance
IOUT = 3.5 A; Tj = -40°C to 150°C
30 mΩ
60 mΩ
Vf
High-side free-wheeling
diode forward voltage
IOUT = -3.5 A; Tj = 150°C
0.7 0.9 V
IL(off)
IL(off_h)
Off-state output current of
one leg
INA = INB = 0; PWM = 0;
VCC = 13 V; Tj = 25 °C
INA = INB = 0; PWM = 0;
VCC = 13 V; Tj = 125 °C
Off-state output current of INA = 0; INB = 5 V; PWM = 0;
one leg with other HSD on VCC = 13 V
0 0.5 µA
0 3 µA
20 60 µA
Table 7. Logic inputs (INA, INB) (VCC = 7 V up to 28 V; -40 °C < Tj < 150 °C)
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
VIL Input low level voltage
VIH Input high level voltage
0.9 V
2.1 V
DocID025221 Rev 6
9/23
22

9 Page
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VNH7070AS-E transistor, igbt
VNH7070AS-E
Symbol
A
A1
A2
b
c
D
E
E1
e
h
L
k
ccc
Package and packing information
Table 15. SO-16N mechanical data
Millimeters
Min.
Typ.
0.10
1.25
0.31
0.17
9.80 9.90
5.80 6.00
3.80 3.90
1.27
0.25
0.40
0
Max.
1.75
0.25
0.51
0.25
10.00
6.20
4.00
0.50
1.27
8
1.10
DocID025221 Rev 6
21/23
22

21 Page





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VNH7070AS-EThe function of this parts is a Automotive fully integrated H-bridge motor driver.STMicroelectronics
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