VNH3ASP30-E datasheet(1/18 Pages) STMICROELECTRONICS

Teilenummer	VNH3ASP30-E

Bauteilbeschribung	AUTOMOTIVE FULLY INTEGRATED H-BRIDGE MOTOR DRIVER

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September 2004

VNH3ASP30-E

AUTOMOTIVE FULLY INTEGRATED

H-BRIDGE MOTOR DRIVER

Rev. 1

Table 1. General Features

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 VIPower™ M0 technology that allows

to efficiently integrate on the same die a true

Power

MOSFET

with

an

intelligent

signal/

protection circuitry.

Figure 1. Package

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

TYPE

RDS(on)

IOUT

Vccmax

VNH3ASP30-E

42 m

Ω max

(per leg)

30 A

41 V

MultiPowerSO-30

Package

Tube

Tape and Reel

MultiPowerSO-30

VNH3ASP30-E

VNH3ASP30TR-E

TARGET SPECIFICATION

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