STMicroelectronics L9950XPTR

Description
The L9950 and L9950XP are microcontroller-driven multifunctional door actuator drivers for automotive applications. They can drive up to five DC motors and five grounded resistive loads with six half bridges and five 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=150 mΩ)
Two half bridges for 3A load (Ron-300 mΩ)
Two half bridges for 1.5A load (Ron-800 mΩ)
One high-side driver for 6A load (Ron-100 mΩ)
Four high-side drivers for 1.5 A load (Ron=800 mΩ)
Programmable soft-start function to drive loads with higher inrush currents (i.e., current >6 A, >3 A, >1.5 A)
Very low current consumption in standby mode (Is <6 μA typ: lcc <25 μA typ: Tj ≤ 85 °C)
All outputs short circuit protected
Current monitor output for 300 mΩ, 150 mΩ, and 100 mΩ high-side drivers
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 and safe lock, mirror axis control, mirror fold, and high-side driver for mirror defroster and four 10W-light bulbs