Door zone modules
Max
on-state
resistance
RDS(on)
Current
limitation
Ilim (A)
Operating
range Vs
(V)
Short-
circuit
protection
Reverse Diagnostics
Part
number
PWM
control
Current Thermal
sense shutdown
LED
mode
Package
Driver stages
battery
and
EC control
Description
protection programming
(mΩ)
1 full bridge
PowerSO‑20 3 half bridges
1 high‑side switch
150
800
100
300
800
150
800
100
150
200
800
800
150
500
100
800
150
6
1.6
6
3
1.5
6
1.5
6
7.4
5
1.25
1.5
6
1.5
6
L9949
7 to 28
7 to 28
•
•
•
•
•
•
SPI
‑
‑
Mid‑end front‑door module
High‑end front‑door module
2 half bridges
2 half bridges
1 full bridge
4 high‑side switches
1 high‑side switch
1 half bridge
2 half bridges
2 high‑side switches
3 half bridges
L9950
L9950XP
PowerSO‑36
•
•
SPI
PowerSSO‑36
L9951
L9951XP
PowerSO‑36
PowerSSO‑36
7 to 28
7 to 28
•
•
•
•
•
•
•
•
•
•
SPI
SPI
‑
‑
Rear‑door module
1 full bridge
L9953
L9953XP
PowerSO‑36
PowerSSO‑36
Mid‑end front‑door module
2 high‑side switches
1 high‑side switch
3 half bridges
1.5
6
1 full bridge
2 high‑side switches 500/1800 1.5/0.35
Mid‑end front‑door module
compatible with bulbs/LEDs
L9953LXP PowerSSO‑36
7 to 28
•
•
•
•
•
SPI
‑
2x
1 high‑side switch
3 half bridges
2 high‑side switches
1 high‑side switch
3 half bridges
100
800
500
100
800
6
1.5
1.5
6
L9954
PowerSO‑36
Mid‑end front‑door module
without door lock
7 to 28
7 to 28
•
•
•
•
•
•
•
•
•
•
SPI
SPI
‑
‑
L9954XP
PowerSSO‑36
1.5
Mid‑end front‑door
2x module without door lock
compatible with bulbs/LEDs
L9954LXP PowerSSO‑36 2 high‑side switches 500/1800 1.5/0.35
1 high‑side switch
1 full bridge
2 half bridges
2 half bridges
1 high‑side switch
2 configurable
high‑side switches
2 high‑side switches
100
150
300
1600
90
6
6
3
0.75
6
High‑end front‑door module
compatible with bulbs/
4x LEDs.
6‑bit
resolution
1.2 V/1.5 V
L99DZ70XP PowerSSO‑36
7 to 28
•
•
•
•
•
SPI
Control circuitry for electro‑
chromic mirror glass.
500/1800 1.5/0.4
1600 0.5
12
STMICROELECTRONICS [ ST ]
