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VNH3ASP30-E Datasheet(Hoja de datos) 1 Page - STMicroelectronics

No. de Pieza. VNH3ASP30-E
Descripción  AUTOMOTIVE FULLY INTEGRATED H-BRIDGE MOTOR DRIVER
Descarga  18 Pages
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Fabricante  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
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1/18
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 VIPowerM0 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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