AMT49106KJPTR

Overview

The AMT49106KJPTR is a three-phase brushless DC motor controller manufactured by Allegro MicroSystems. It operates within a supply voltage range of 4.5 V to 50 V and supports load voltages up to 50 V. The device features an SPI interface and utilizes power MOSFET technology. It is housed in a 48-LQFP-EP (7x7) package with exposed pad for surface mount installation. The component functions as a gate driver with integrated control logic, offering output currents of 40 mA and operating supply currents of 10 mA. It is rated for an operating temperature range from -40°C to +150°C.

Feature Summary

• Integrated three-phase gate driver with dedicated control logic for BLDC motors
• Supports serial peripheral interface (SPI) communication for configuration
• Designed for automotive-grade reliability with wide thermal tolerance
• Utilizes power MOSFET technology for efficient switching

Applications

• Automotive three-phase brushless DC motor control systems
• Electric power steering applications
• Thermal management fans in vehicle HVAC systems
• Pump and compressor drives in automotive environments

Procurement Notes

Verify the specific suffix KJPTR against official datasheets to confirm package type and tape-and-reel specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to PCB assembly planning. Check for any recent product change notices regarding material or packaging updates that may affect qualification.

Selection Notes

Select this component when designing automotive BLDC motor drivers requiring SPI control and high voltage tolerance up to 50V. Ensure the design accommodates the 48-LQFP-EP footprint and thermal dissipation needs. Compare against similar Allegro series parts if different interface protocols or current ratings are required for the specific application constraints.

Part Context

This part belongs to the AMT49106 series of automotive motor drivers. It is distinct from the A4910 and A4911 series which may have different voltage ratings or feature sets. The AMT49106 is specifically engineered for robust performance in demanding automotive electrical environments, integrating gate driving capabilities with digital control interfaces.

Replacement Considerations

AMT49106KJPTR-A-3 and AMT49106KJPTR-A-5 are potential variants within the same family. Verify pin compatibility and electrical specifications before substitution. Note that some related parts like AMT49100 are marked as Not Recommended for New Designs.