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Product Detailed Parameters
- Description：IC MOTOR DRIVER 6V-28V 48TQFP
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR)
- 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：-
- 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：-
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Overview
The L99ASC03TR is a specialized power management integrated circuit manufactured by STMicroelectronics, designed for automotive applications. It functions as a motor driver utilizing Power MOSFET technology, specifically configured for Brushless DC (BLDC) motors. The device integrates three half-bridge pre-drivers and supports an SPI interface for communication. It operates within a supply voltage range of 6V to 28V and features a 48-TQFP package with an exposed pad (7x7 mm). The component is qualified under AEC-Q100 standards and supports a junction temperature range from -40°C to +150°C.
Feature Summary
- Integrates three half-bridge pre-drivers for BLDC motor control
- Utilizes Power MOSFET technology for efficient switching
- Supports SPI interface for controller communication
- AEC-Q100 qualified for automotive reliability
Applications
- Brushless DC motor drive systems in vehicles
- Automotive body and convenience modules
- Electric mobility power distribution units
Procurement Notes
Verify the exact suffix against official STMicroelectronics documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with existing PCB footprints for the 48-TQFP-EP form factor. Confirm that the specific revision matches the design requirements for automotive grade qualification and thermal performance.
Selection Notes
Select this component when designing BLDC motor controllers requiring integrated pre-driver stages and robust automotive-grade reliability. The SPI interface allows for flexible configuration and monitoring. Consider the thermal dissipation capabilities provided by the exposed pad design in the TQFP-48 package for high-current applications.
Part Context
This part belongs to the VIPower family of STMicroelectronics, which focuses on smart high-side switches and motor drivers for automotive electronics. The L99 series is tailored for complex power management tasks in electric and hybrid vehicles, offering integrated protection and diagnostic features suitable for safety-critical environments.
Replacement Considerations
Check for direct cross-reference models within the L99ASC03 family or updated revisions from STMicroelectronics. Verify pin-to-pin compatibility if substituting with other automotive motor driver ICs from different manufacturers.
