Brushless DC Drivers

Automotive Sensorless Sinusoidal BLDC Controller with LIN Interface and Diagnostics

A4964

Markets Served

The A4964 provides a comprehensive solution for automotive BLDC motor control, featuring sensorless sinusoidal drive, programmable control modes, LIN interface, and integrated diagnostics for enhanced performance and reliability.

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Product Details

Top Features

  • Three-phase sensorless BLDC motor control FET driver
  • Three-phase sinusoidal drive with soft start
  • Sensorless start-up and commutation
  • Windmill detection and synchronization
  • Bootstrap gate drive for N-channel MOSFET bridge
  • 5.5 to 50 V supply range
  • SPI-compatible interface
  • Programmable control modes: speed, voltage, current
  • Peak current limiting
  • Control via SPI or PWM
  • Programmable gate drive for slew rate control
  • LIN / PWM physical interface with wake
  • Logic supply regulator with current limit
  • MCU watchdog and reset
  • Ignition switch interface
  • Diagnostics, status, current, and speed feedback
Target Application

Part Number Specifications and Availability

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A4964KEVTR-J

supply_voltage_min_v
5.5
supply_voltage_max_v
50
architecture
Gate Driver
control_interface
PWM Speed, I2C/SPI
rds_on
Pre-Driver
commutation
Sinusoidal
motor_positioning_method
Sensorless
sleep_current
20
current_sense_amplifiers
1
number_of_bridges
Half-Bridge x3
temperature
-40°C to 105°C
package
36-Pin QFN
market
Automotive

A4964KJPTR-T

supply_voltage_min_v
5.5
supply_voltage_max_v
50
architecture
Gate Driver
control_interface
PWM Speed, I2C/SPI
rds_on
Pre-Driver
commutation
Sinusoidal
motor_positioning_method
Sensorless
sleep_current
20
current_sense_amplifiers
1
number_of_bridges
Half-Bridge x3
temperature
-40°C to 105°C
package
36-Pin QFN
market
Automotive

Design Tools

ECAD FILE

A4964

A4964 ECAD Model Type Image
Software

Software Portal
User Guide

APEK4964 Evaluation Board User Guide