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L9950

STMicroelectronics
Part Number L9950
Manufacturer STMicroelectronics
Description Door actuator driver
Published Jun 26, 2023
Detailed Description L9950 L9950XP Door actuator driver Features ■ One full bridge for 6A load (Ron=150 m ) ■ Two half bridges for 3A load ...
Datasheet PDF File L9950 PDF File

L9950
L9950

Overview
L9950 L9950XP Door actuator driver Features ■ One full bridge for 6A load (Ron=150 m ) ■ Two half bridges for 3A load (Ron=300 m ) ■ Two half bridges for 1.
5A load (Ron=800 m ) ■ One highside driver for 6A load (Ron=100 m ) ■ Four highside drivers for 1.
5 A load (Ron=800 m ) ■ Programmable softstart 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 A typ; ICC <25 A typ; Tj 85 °C) ■ All outputs short circuit protected ■ Current monitor output for 300 m, 150 m and 100 m highside drivers ■ All outputs over temperature protected ■ Open load diagnostic for all outputs ■ Overload diagnostic for all outputs ■ Seperated half bridges for door lock motor ■ PWM control of all outputs ■ Charge pump output for reverse polarity protection PowerSO-36 PowerSSO-36 Applications ■ Door actuator driver with bridges for door lock and safe lock, mirror axis control, mirror fold and highside driver for mirror defroster and four 10W-light bulbs.
Description The L9950 and L9950XP are microcontroller driven multifunctional door actuator driver for automotive applications.
Up to five DC motors and five grounded resistive loads can be driven with six half bridges and five highside drivers.
The integrated standard serial peripheral interface (SPI) controls all operation modes (forward, reverse, brake and high impedance).
All diagnostic informations are available via SPI.
Table 1.
Device summary Package PowerSO-36 PowerSSO-36 September 2013 Order codes Part number (tube) Part number (tape and reel) L9950 L9950XP L9950TR L9950XPTR Doc ID 10311 Rev 11 1/39 www.
st.
com 1 Contents Contents L9950 - L9950XP 1 Block diagram and pin description .
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6 2 Electrical specifications .
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9 2.
1 Absolute maximum ratings .
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