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Product Detailed Parameters
- Description：IC MOTOR DRIVER 6V-28V 48TQFP
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：-
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Controller - Commutation, Direction Management
- Output Configuration：Pre-Driver - Half Bridge (3)
- Interface：SPI
- Technology：Power MOSFET
- Step Resolution：-
- Applications：-
- Current - Output：-
- Voltage - Supply：6V ~ 28V
- Voltage - Load：-
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：48-TQFP Exposed Pad
- Supplier Device Package：48-TQFP-EP (7x7)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The L99ASC03GTR is an automotive-grade power MOSFET motor driver manufactured by STMicroelectronics. It features a 48-TQFP-EP (7x7) package with exposed pad for thermal management. The device operates on a supply voltage range of 6V to 28V and supports junction temperatures from -40°C to 150°C. It is certified under AEC-Q100 standards for automotive reliability. The component utilizes an SPI interface for communication and control. It integrates three half-bridge pre-drivers designed for brushless DC (BLDC) motor applications, providing integrated commutation and direction management capabilities.
Feature Summary
- Integrates three half-bridge pre-drivers for driving brushless DC motors
- Features SPI interface for controller communication and diagnostic feedback
- Includes integrated commutation and direction management logic
- Complies with AEC-Q100 automotive qualification standards
Applications
- Brushless DC (BLDC) motor control in automotive systems
- Electronic door lock actuators
- Window lift mechanisms
- Seat adjustment systems
Procurement Notes
Verify the specific ordering suffix matches the required tape-and-reel configuration. Confirm that the 48-TQFP-EP package dimensions align with the target PCB footprint. Ensure the design accounts for the exposed thermal pad requirements for adequate heat dissipation. Check current availability status as lead times may vary due to automotive demand fluctuations.
Selection Notes
Select this component when designing BLDC motor drives requiring integrated commutation logic. The SPI interface simplifies microcontroller integration compared to parallel interfaces. The wide operating temperature range suits harsh automotive environments. Consider the thermal performance of the TQFP-EP package for high-current applications.
Part Context
This part belongs to the L99ASCxx family of automotive motor drivers. It is specifically optimized for multi-motor applications such as power windows and seats. The device combines power MOSFETs with digital control logic to reduce external component count. It serves as a complete solution for driving multiple BLDC loads in vehicle body electronics.
Replacement Considerations
Check for direct pin-compatible upgrades within the L99ASC series. Verify if alternative packages offer improved thermal characteristics. Ensure any substitute maintains AEC-Q100 certification for automotive use.
