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STMicroelectronics Electronic Components Datasheet

VNH3ASP30-E Datasheet

AUTOMOTIVE FULLY INTEGRATED H-BRIDGE MOTOR DRIVER

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Table 1. General Features
TYPE
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VNH3ASP30-E
RDS(on)
42 mmax
(per leg)
IOUT
30 A
VNH3ASP30-E
AUTOMOTIVE FULLY INTEGRATED
H-BRIDGE MOTOR DRIVER
Vccmax
41 V
Figure 1. Package
TARGET SPECIFICATION
s OUTPUT CURRENT: 30A
s 5V LOGIC LEVEL COMPATIBLE INPUTS
s UNDERVOLTAGE AND OVERVOLTAGE
SHUT-DOWN
s OVERVOLTAGE CLAMP
s THERMAL SHUT DOWN
s CROSS-CONDUCTION PROTECTION
s LINEAR CURRENT LIMITER
s VERY LOW STAND-BY POWER
CONSUMPTION
s PWM OPERATION UP TO 20 KHz
s PROTECTION AGAINST:
LOSS OF GROUND AND LOSS OF VCC
s CURRENT SENSE OUTPUT PROPORTIONAL
TO MOTOR CURRENT
s IN COMPLIANCE WITH THE 2002/95/EC
EUROPEAN DIRECTIVE
DESCRIPTION
The VNH3ASP30-E is a full bridge motor driver
intended for a wide range of automotive
applications. The device incorporates a dual
monolithic High-Side drivers and two Low-Side
switches. The High-Side driver switch is designed
using STMicroelectronic’s well known and proven
proprietary VIPowerM0 technology that allows
to efficiently integrate on the same die a true
Power MOSFET with an intelligent signal/
protection circuitry.
MultiPowerSO-30
The Low-Side switches are vertical MOSFETs
manufactured using STMicroelectronic’s
proprietary EHD (‘STripFET™’) process. The
three dice are assembled in MultiPowerSO-30
package on electrically isolated leadframes. This
package, specifically designed for the harsh
automotive environment offers improved thermal
performance thanks to exposed die pads.
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. The DIAGA/ENA
or DIAGB/ENB, when connected to an external
pull-up resistor, enable one leg of the bridge. They
also provide a feedback digital diagnostic signal.
The normal condition operation is explained in the
truth table on page 7. The CS pin allows to monitor
the motor current by delivering a current
proportional to its value. The PWM, up to 20KHz,
lets us to control the speed of the motor in all
possible conditions. In all cases, a low level state
on the PWM pin will turn off both the LSA and LSB
switches. When PWM rises to a high level, LSA or
LSB turn on again depending on the input pin
state.
Table 2. Order Codes
Package
MultiPowerSO-30
Tube
VNH3ASP30-E
Tape and Reel
VNH3ASP30TR-E
September 2004
Rev. 1
1/18


STMicroelectronics Electronic Components Datasheet

VNH3ASP30-E Datasheet

AUTOMOTIVE FULLY INTEGRATED H-BRIDGE MOTOR DRIVER

No Preview Available !

VNH3ASP30-E
Figure 2. Block Diagram
VCC
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OVERTEMPERATURE A
OV + UV
OUTA
CLAMP HSA
HSA
DRIVER
HSA
CURRENT
LIMITATION A
CLAMP LSA
1/K
LSA
DRIVER
LSA
LOGIC
OVERTEMPERATURE B
CLAMP HSB
DRIVER
HSB
HSB
CURRENT
LIMITATION B
1/K
CLAMP LSB
DRIVER
LSB
LSB
OUTB
GNDA
DIAGA/ENA INA CS PWM INB DIAGB/ENB
Figure 3. Configuration Diagram (Top View)
GNDB
OUTA
Nc
VCC
Nc
INA
ENA/DIAGA
Nc
PWM
CS
ENB/DIAGB
INB
Nc
VCC
Nc
OUTB
1
15
VCC
Heat Slug1
OUTA
Heat Slug3
30
OUTB
Heat Slug2
16
OUTA
Nc
GNDA
GNDA
GNDA
OUTA
Nc
VCC
Nc
OUTB
GNDB
GNDB
GNDB
Nc
OUTB
2/18


Part Number VNH3ASP30-E
Description AUTOMOTIVE FULLY INTEGRATED H-BRIDGE MOTOR DRIVER
Maker STMicroelectronics
Total Page 18 Pages
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