Brushless DC Drivers

Automotive Three-Phase MOSFET Driver System IC with LIN Interface and Diagnostics

AMT49105

Markets Served

The AMT49105 integrates key functionality for automotive motor drive systems, including a 3-phase MOSFET driver, LIN interface, regulated microprocessor supply, and comprehensive diagnostics for simplified design and enhanced system reliability.

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Product Details

Top Features

  • Meets automotive safety requirements 
  • 3-phase bridge MOSFET driver 
  • Bootstrap gate drive for N-channel MOSFET bridge 
  • Cross-conduction protection with adjustable dead time 
  • Charge pump for low supply voltage operation 
  • Programmable gate drive voltage and strength 
  • 5.5 to 50 V supply voltage operating range 
  • Integrated logic supply 
  • Current sense amplifier with programmable gain and offset 
  • SPI-compatible serial interface 
  • Bridge control by direct logic inputs or serial interface 
  • Integrated bemf state comparators 
  • LIN/PWM physical interface with Wake 
  • Programmable logic supply regulator with current limit 
  • MCU Window watchdog and reset 
  • Ignition switch interface 
  • Diagnostics, status, voltage, and temperature feedback 
Target Application

Part Number Specifications and Availability

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AMT49105KEVTR-J

supply_voltage_min_v
5.5
supply_voltage_max_v
50
architecture
Gate Driver
control_interface
SPI
rds_on
20
commutation
Sinusoidal
motor_positioning_method
External
sleep_current
10
current_sense_amplifiers
1
temperature
-40°C to 150°C
package
48-Pin QFN
market
Automotive
typical_load_current_a
10-25

設計ツール

ECAD FILE

AMT49105

AMT49105 ECAD Model Type Image
Software

Software Portal

Technical Documentation

Techniques to Reduce Electromagnetic Interference in Automotive Applications
Application Note

Techniques to Reduce Electromagnetic Interference in Automotive Applications

Advanced Negative Voltage Transient Test for Gate Drivers in Automotive Applications
Application Note

Advanced Negative Voltage Transient Test for Gate Drivers in Automotive Applications

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