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L99ASC03G Datasheet Brushless / Sensorless 3-phase Motor Pre-driver

Manufacturer: STMicroelectronics

Overview: L99ASC03G Brushless / sensorless 3-phase motor pre-driver for automotive applications Datasheet - production data  Drain-source monitoring and open-load detection  TQFP48 7 x 7 x 1 mm with Exposed Pad (4.5 x 4.

General Description

The L99ASC03G is a multifunctional system IC designed for three-phase motor control applications.

The device

Key Features

  • AEC-Q100 qualified.
  • 5 V low-drop voltage regulator (200 mA continuous mode).
  • Very low current consumption in standby mode (typ. 15 µA).
  • ST SPI interface for control and diagnostics.
  • Window watchdog and fail-safe functionality.
  • Two separate power supply pins.
  • Three half-bridge drivers to control external MOSFETs (configurable by SPI).
  • Full drive of external MOSFETs down to 6 V input voltage.
  • Input pin for each gate driver (with crosscurrent protection.

More Datasheets from STMicroelectronics

Part Number Description
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L9945 Automotive fully configurable 8-channel High/Low side MOSFET pre-driver
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L99ASC03G Distributor