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STMicroelectronics - Automotive fully integrated H-bridge motor driver

Numéro de référence VNH7070AS
Description Automotive fully integrated H-bridge motor driver
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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VNH7070AS fiche technique
VNH7070AS
Automotive fully integrated H-bridge motor driver
Features
SO-16N
GAPGCFT00648
Type
VNH7070AS
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 - production data
Description
The device 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® M0-7 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 lead-frames.
Moreover, its fully symmetrical mechanical design
allows superior manufacturability at board level.
The input signals INA and INB can directly
interface the microcontroller to select the motor
direction and the brake condition. A SEL0 pin is
available to address the information available on
the CS to the microcontroller. The CS pin allows
to monitor the motor current by delivering a
current proportional to the motor current value.
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
— VNH7070ASTR
October 2015
This is information on a product in full production.
DocID028088 Rev 3
1/38
www.st.com

PagesPages 30
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