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Product Detailed Parameters
- Description：IC MOTOR DRIVER 6V-28V 48TQFP
- Series：-
- Mfr：STMicroelectronics
- Package：Tray
- 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 L99ASC03 is a three-phase pre-driver IC designed for sensorless brushless DC (BLDC) motor control applications. It integrates power MOSFET drivers and operates within a supply voltage range of 6V to 28V. The device utilizes an SPI interface for communication and configuration. It features three half-bridge outputs and includes protection mechanisms such as reverse polarity protection on battery inputs. The component is qualified under AEC-Q100 standards and supports operating temperatures from -40°C to +150°C TJ.
Feature Summary
- Integrated three-phase half-bridge pre-driver architecture for BLDC motors
- SPI-based digital interface for parameter configuration and status monitoring
- Built-in reverse polarity protection on Vs, VSREG, and power stage inputs
- AEC-Q100 automotive qualification with extended temperature range support
Applications
- Sensorless three-phase BLDC motor control systems
- Automotive electronic components requiring high reliability
- Industrial motor drive applications with isolated or non-isolated topologies
Procurement Notes
Verify the specific ordering suffix (e.g., GTR) to confirm packaging type and reel specifications. Ensure compatibility with the EVAL-L99ASC03 evaluation board for initial design validation. Confirm RoHS compliance status and manufacturing origin details through official STMicroelectronics documentation prior to procurement.
Selection Notes
Select this component for designs requiring integrated pre-driver functionality with SPI control. Consider the 48-TQFP package dimensions and thermal performance for PCB layout. Evaluate the need for external Hall sensors if sensorless operation is insufficient for the specific application requirements.
Part Context
The L99ASC03 belongs to STMicroelectronics' portfolio of motor management solutions. It is often paired with the EVAL-L99ASC03 evaluation kit and STSW-L99ASC03 software for development. The device serves as a key component in automotive and industrial motor control architectures, replacing discrete driver solutions.
Replacement Considerations
Check for direct pin-to-pin replacements within the same family. Verify functional equivalence regarding SPI command sets and output drive capabilities when considering alternative pre-drivers.
