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參數資料
| 型號： | L9951 |
| 廠商： | 意法半導體 |
| 英文描述： | DOOR ACTUATOR DRIVER |
| 中文描述： | 門執(zhí)行器驅動 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 52K |
| 代理商： | L9951 |
1/4
L9951
April 2004
This is preliminary information on a new product now in development. Details are subject to change without notice.
1
■
One half bridge for 7.4A load (r
on
= 150m
)
■
Two half bridges for 5A load (r
on
= 200m
)
■
Two highside drivers for 1.25A load
(r
on
= 800 m
)
■
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
< 3μA, typ. T
j
≤
85 °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
FEATURES
2
■
Rear Door Actuator Driver with bridges for door
lock and safe lock and two 5W or 10W-light
bulbs.
APPLICATION
3
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.
DESCRIPTION
PowerSO36
DATA BRIEF
DOOR ACTUATOR DRIVER
BLOCK DIAGRAM
DI
CM/PWM
DO
CLK
CSN
μ
C
VCC
S
D
GND
CP
M
Exteriour Light
Safety Light
OUT1
OUT2
OUT3
OUT4
OUT5
M
M
Lock
Safe Lock
VBAT
Reverse
Polarity
Protection
1
EN
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)
PWM
1
Table 1. Order Codes
Part Number
L9951
Package
PowerSO36
REV. 2
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相關代理商/技術參數 |
參數描述 |
|---|---|
| L9951_10 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Rear door actuator driver |
| L-995-12 | 制造商:MOLEX 制造商全稱:Molex Electronics Ltd. 功能描述:NylaKrimp? Funnel Entry Ring Tongue Terminal for 4/0 AWG Wire, Stud #12 |
| L9951TR | 功能描述:馬達/運動/點火控制器和驅動器 REAR DOOR ACTUATOR DRIVER RoHS:否 制造商:STMicroelectronics 產品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| L9951XP | 功能描述:馬達/運動/點火控制器和驅動器 DOOR ACTUATOR DRIVER RoHS:否 制造商:STMicroelectronics 產品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| L9951XPTR | 功能描述:馬達/運動/點火控制器和驅動器 DOOR ACTUATOR DRIVER RoHS:否 制造商:STMicroelectronics 產品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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