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Product Detailed Parameters
- Description：IC MOTOR DRIVER 3V-5.5V 48LQFP
- Series：-
- Mfr：Allegro MicroSystems
- 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：PWM
- Technology：Power MOSFET
- Step Resolution：-
- Applications：-
- Current - Output：-
- Voltage - Supply：3V ~ 5.5V
- Voltage - Load：5.5V ~ 50V
- Operating Temperature：-40°C ~ 150°C (TA)
- Mounting Type：Surface Mount
- Package / Case：48-LQFP Exposed Pad
- Supplier Device Package：48-LQFP-EP (7x7)
- Grade：Automotive
- Qualification：-
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Overview
The A4935KJPTR-T is a BLDC motor controller and driver manufactured by Allegro MicroSystems. It operates with a supply voltage range of 3V to 5.5V for logic and 5.5V to 50V for the load. The device utilizes power MOSFET technology and accepts PWM interfaces for control. It features three half-bridge pre-drivers for commutation and direction management. The component is housed in a 48-LQFP package with exposed pad, designed for surface mount installation. It supports an operating temperature range from -40°C to +150°C and holds automotive grade certification.
Feature Summary
- Integrated commutation and direction management for brushless DC motors
- Three half-bridge pre-drivers utilizing power MOSFET technology
- Automotive grade qualification for high reliability applications
Applications
- Brushless DC motor control systems
- Automotive motion control applications
- Industrial direction management circuits
Procurement Notes
Verify the specific suffix 'PTR-T' against official datasheets to confirm reel packaging and tape specifications. Ensure the LQFP-48 pinout matches the target PCB footprint design. Confirm RoHS compliance status through current manufacturer documentation before finalizing procurement orders.
Selection Notes
Select this component when designing BLDC drivers requiring integrated commutation logic. The wide load voltage range up to 50V accommodates various motor types. The exposed pad package aids thermal dissipation in compact designs. Verify that the required operating temperature range aligns with the specified -40°C to +150°C limits.
Part Context
This part belongs to the A4935 series of motor controllers. It serves as a specialized solution for driving brushless DC motors in demanding environments. The integration of pre-drivers reduces external component count compared to discrete solutions.
Replacement Considerations
The A3935KLQTR-T is listed as a suggested replacement device. Verify compatibility regarding package type and electrical parameters before substitution.
