STMicroelectronics L9953XP

Description
The L9953 and L9953XP are microcontroller-driven multifunctional door actuator drivers for automotive applications. They can drive up to three DC motors and three grounded resistive loads with five half bridges and three high-side drivers. The integrated standard serial peripheral interface (SPI) controls all operation modes (forward, reverse, brake, and high impedance). All diagnostic information is available via SPI.

Features
One full bridge for 6A load (Ron=150mΩ)
Three half bridges for 1.5A load (Ron-800mΩ)
One high-side driver for 6A load (Ron-100mΩ)
Two high-side drivers for 1.5A load (Ron-800mΩ)
Programmable soft-start function to drive loads with higher inrush currents (i.e., current >6A, >1.5A)
Very low current consumption in stand-by mode (Is <6μA typ: Tj≤ 85 °C)
All outputs short circuit protected
Current monitor output for high-side OUT1, OUT4, OUT5, and OUT8
All outputs over-temperature protected
Open load diagnostic for all outputs
Overload diagnostic for all outputs
Separated half bridges for door lock motor
PWM control of all outputs
Charge pump output for reverse polarity protection

Applications
Door actuator driver with bridges for door lock, mirror axis control, mirror fold, and high-side driver for mirror defroster and two 10W light bulbs