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L9951 Datasheet

  • L9951

  • DOOR ACTUATOR DRIVER

  • 4頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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L9951
DOOR ACTUATOR DRIVER
DATA BRIEF
1
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FEATURES
One half bridge for 7.4A load (r
on
= 150m鈩?
Two half bridges for 5A load (r
on
= 200m鈩?
Two highside drivers for 1.25A load (r
on
= 800 m鈩?
Programmable Softstart function to drive loads
with higher inrush currents (i.e.current >7.4A,
>5A, >1.25A)
Very low current consumption in standby mode
(I
S
< 3碌A(chǔ), typ. T
j
鈮?/div>
85 擄C)
All outputs short circuit protected
Current monitor output for all highside drivers
All outputs over temperature protected
Open load diagnostic for all outputs
Overload diagnostic for all outputs
Programmable PWM control of all outputs
Charge Pump output for reverse polarity
protection
APPLICATION
Rear Door Actuator Driver with bridges for door
lock and safe lock and two 5W or 10W-light
bulbs.
PowerSO36
Table 1. Order Codes
Part Number
L9951
Package
PowerSO36
2
鈻?/div>
3
DESCRIPTION
The L9951 is a microcontroller driven multifunc-
tional rear door actuator driver for automotive ap-
plications. Up to two DC motors and two grounded
resistive loads can be driven with three half bridg-
es and two highside drivers. The integrated stan-
dard serial peripheral interface (SPI) controls all
operation modes (forward, reverse, brake and
high impedance). All diagnostic informations are
available via SPI.
BLOCK DIAGRAM
VBAT
10k 100k
VCC
Reverse
Polarity
Protection
VS
Note: value of capacitor has to be choosen
carefully to limit the VS voltage below absolute
maximum ratings in case of an unexpected
freewheeling condition (e.g. TSD, POR)
CP
MUX
CM/PWM
PWM
EN
DI
OUT1
Lock
OUT2
OUT3
Driver Interface & Diagnostic
M
M
Safe Lock
碌C
DO
CLK
CSN
SPI
OUT4
OUT5
Exteriour Light
Safety Light
GND
April 2004
This is preliminary information on a new product now in development. Details are subject to change without notice.
REV. 2
1/4

L9951 產(chǎn)品屬性

  • L9951 View All Specifications

  • 31

  • 集成電路 (IC)

  • PMIC - 電源管理 - 專用

  • -

  • 自動(dòng)

  • 7mA

  • 7 V ~ 28 V

  • -40°C ~ 150°C

  • 表面貼裝

  • PowerSO-36 裸露底部焊盤

  • PowerSO-36

  • 管件

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  • 英文版
    DOOR ACTUATOR DRIVER
    STMICROELECTRONICS
  • 英文版
    DOOR ACTUATOR DRIVER
    STMICROELECTRON...
  • 英文版
    DOOR ACTUATOR DRIVER
    STMICROELECTRONICS
  • 英文版
    DOOR ACTUATOR DRIVER
    STMICROELECTRON...
  • 英文版
    DOOR ACTUATOR DRIVER
    STMICROELECTRONICS
  • 英文版
    DOOR ACTUATOR DRIVER
    STMICROELECTRON...

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