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L99ASC03GTR

Brushless/Sensorless 3-phase motor pre-driver for automotive applications

Operating RangeAutomotive
Supply Voltage Min Volt6.0
Supply Voltage Max Volt28.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeAutomotive
Package NameTQFP 48 7x7x1.0

The L99ASC03G is a multifunctional system IC designed for three-phase motor control applications.The device features a voltage regulator to supply an external microcontroller and an operation amplifier for motor current sensing. It is designed to control six external N-channel MOSFETs in bridge...
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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 cross-current protection)
  • Two-stage charge pump supporting 100% duty cycle
  • PWM operation up to 80 kHz (not restricted)
  • Current-sense amplifier (configurable by SPI)
  • Disable input to turn off gate driver outputs
  • Analog multiplexer output to monitor external power supply voltages and internal junction temperature
  • Advanced BEMF detection IP
  • Overcurrent protection (programmable)
  • Drain-source monitoring and open-load detection
  • TQFP48 7 x 7 x 1 mm with Exposed Pad (4.5 x 4.5 mm) package
In stock
Quantity $ per unit Savings
1-9$5.6710%
10-99$5.1019%
100-249$4.1834%
250-499$3.9637%
500$3.5644%
Contact sales
$5.67
Special Price $5.67 Regular Price $6.31
Operating RangeAutomotive
Supply Voltage Min Volt6.0
Supply Voltage Max Volt28.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeAutomotive
Package NameTQFP 48 7x7x1.0

The L99ASC03G is a multifunctional system IC designed for three-phase motor control applications.The device features a voltage regulator to supply an external microcontroller and an operation amplifier for motor current sensing. It is designed to control six external N-channel MOSFETs in bridge...
Read More

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 cross-current protection)
  • Two-stage charge pump supporting 100% duty cycle
  • PWM operation up to 80 kHz (not restricted)
  • Current-sense amplifier (configurable by SPI)
  • Disable input to turn off gate driver outputs
  • Analog multiplexer output to monitor external power supply voltages and internal junction temperature
  • Advanced BEMF detection IP
  • Overcurrent protection (programmable)
  • Drain-source monitoring and open-load detection
  • TQFP48 7 x 7 x 1 mm with Exposed Pad (4.5 x 4.5 mm) package