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AMT49101KJPTR-A-3
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Product Detailed Parameters
- Description：80V BLDC GATE DRIVER W/REGULATOR
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：Multiphase
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (3)
- Interface：SPI
- Technology：Power MOSFET
- Step Resolution：-
- Applications：-
- Current - Output：-
- Voltage - Supply：10V ~ 80V
- Voltage - Load：3.3V
- 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：AEC-Q100
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Overview
The AMT49101KJPTR-A-3 is a three-phase BLDC gate driver with integrated power MOSFETs, designed for automotive applications. It operates on a 10V to 80V supply voltage and features an SPI interface for configuration. The device includes a 5V load output regulator and supports half-bridge configurations. Packaged in a 48-LQFP-EP (7x7) surface-mount enclosure, it functions within a temperature range of -40°C to 150°C. It holds AEC-Q100 qualification and ASIL functional safety features.
Feature Summary
- Integrated three-phase half-bridge power stage with built-in MOSFETs
- SPI digital interface for programmable control and diagnostics
- Built-in 5V load regulator for auxiliary circuit power
- Automotive-grade reliability with ASIL feature support
Applications
- Brushless DC motor control in automotive systems
- Multiphase motor drive implementations
- 48V system solutions in vehicles
- Power management IC development tools
Procurement Notes
Verify the specific suffix 'A-3' indicates the correct 5V load regulator variant, as other suffixes like 'A-5' exist for different voltages. Confirm the component status is Not Recommended for New Designs (NRND) if applicable to your project timeline. Ensure the 48-LQFP-EP package footprint matches your PCB layout requirements before finalizing procurement.
Selection Notes
Select this part when a fully integrated three-phase gate driver with power MOSFETs is required for BLDC motors. The SPI interface allows for flexible configuration compared to analog counterparts. Consider the 5V load output capability if external regulation is needed. Verify thermal performance within the 48-LQFP-EP package for your specific power dissipation needs.
Part Context
This component belongs to the AMT49100/AMT49101 family from Allegro MicroSystems, targeting automotive revolution 48V systems. It is related to the A4911 series but offers distinct ASIL features and integrated power stages. The AMT49101 variant specifically denotes the three-phase configuration suitable for multiphase motor drives.
Replacement Considerations
Public confirmed substitute: AMT49101KJPTR-A-5. This alternative shares the same core functionality but differs in the load regulator output voltage specification.
