Brushless DC Drivers

Integrated Sensorless FOC BLDC Driver for Compact Fan Applications

AMT49400

Markets Served

The AMT49400 simplifies fan motor control with its integrated sensorless FOC algorithm, integrated power MOSFETs, and minimal external component requirements, making it ideal for compact designs.

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Evaluation Board

Product Details

Top Features

  • Coding-free sensorless field-oriented control (FOC)
  • Standby mode current less than 10 μA
  • Quiet and quick startup
  • Only two external components for minimal application circuit
  • PWM speed input, FG speed output
  • Lock detection
  • Soft-on soft-off (SOSO)
  • Optional closed-loop speed control
  • Configurable current limit
  • Windmill and reverse windmill operation
  • Lock detection
  • Short-circuit protection (OCP)
Target Application

Part Number Specifications and Availability

View Full Specification Details

AMT49400GLKATR

supply_voltage_min_v
4
supply_voltage_max_v
18
peak_output_current_a
2
architecture
Integrated MOSFET
control_interface
PWM Speed, I²C
rds_on
1.15
commutation
Field Oriented Control (FOC)
motor_positioning_method
Sensorless
sleep_current
10
current_sense_amplifiers
Integrated
number_of_bridges
Half-Bridge x3
temperature
-40°C to 105°C
package
10-Pin SOIC
market
Industrial
typical_load_current_a
0-3

Design Tools

ECAD FILE

AMT49400

AMT49400 ECAD Model Type Image
Software

Software Portal

Technical Documentation

Innovative Motor Control
Brochure

Innovative Motor Control

AMT49400 Evaluation Board User Guide
Guide

AMT49400 Evaluation Board User Guide

Innovative FOC Motor Control: Improve Time to Market by Eliminating Software Development
Whitepaper

Innovative FOC Motor Control: Improve Time to Market by Eliminating Software Development

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