Brushless DC Drivers

自動車用途向けの3相センサレス ファン ドライバIC

A5947

Markets Served

A5947は、クローズドループ速度制御、正弦波駆動、プログラム可能な速度カーブの機能を内蔵して、センサレス車載ファン システムの設計を簡素化します。マイクロコントローラが不要となり、PCBスペースも削減できます。

Evaluation Board

Product Details

Top Features

  • AEC-Q100 qualified
  • Speed curve configuration via EEPROM
  • I2C serial port
  • Sinusoidal modulation for reduced audible noise and low vibration
  • Sensorless (no Hall sensors required)
  • Low RDS(ON) power MOSFETs
  • 3.3 V / 20 mA linear regulator
  • PWM or analog speed input
  • FG speed output
  • Slew rate control
  • Lock detection Soft start
  • Low power standby mode
  • Overcurrent protection
  • Overvoltage protection
Target Application

Part Number Specifications and Availability

View Full Specification Details

A5947GETTR-T

supply_voltage_min_v
4
supply_voltage_max_v
40
peak_output_current_a
3.6
architecture
Integrated MOSFET
control_interface
PWM Speed, Analog
rds_on
1.2
commutation
Sinusoidal
motor_positioning_method
Sensorless
sleep_current
40
current_sense_amplifiers
Integrated
temperature
-40°C to 105°C, -40°C to 125°C
package
28-Pin QFN, 20-Pin TSSOP
market
Automotive, Industrial
typical_load_current_a
0-3

A5947GLPTR-T

supply_voltage_min_v
4
supply_voltage_max_v
40
peak_output_current_a
3.6
architecture
Integrated MOSFET
control_interface
PWM Speed, Analog
rds_on
1.2
commutation
Sinusoidal
motor_positioning_method
Sensorless
sleep_current
40
current_sense_amplifiers
Integrated
temperature
-40°C to 105°C, -40°C to 125°C
package
28-Pin QFN, 20-Pin TSSOP
market
Automotive, Industrial
typical_load_current_a
0-3

A5947KLPTR-B-T

supply_voltage_min_v
4
supply_voltage_max_v
-
peak_output_current_a
3.6
architecture
Integrated MOSFET
control_interface
PWM Speed, Analog
rds_on
1.2
commutation
Sinusoidal
motor_positioning_method
Sensorless
sleep_current
40
current_sense_amplifiers
Integrated
temperature
-40°C to 105°C, -40°C to 125°C
package
28-Pin QFN, 20-Pin TSSOP
market
Automotive, Industrial
typical_load_current_a
0-3

A5947KLPTR-T

supply_voltage_min_v
-
supply_voltage_max_v
40
peak_output_current_a
-
architecture
-
control_interface
-
rds_on
-
commutation
-
motor_positioning_method
-
sleep_current
-
current_sense_amplifiers
-
temperature
-
package
-
market
-
typical_load_current_a
-

設計ツール

ECAD FILE

A5947

A5947 ECAD Model Type Image
Software

Software Portal

Technical Documentation

A5947GET Evaluation Board User Guide
Guide

A5947GET Evaluation Board User Guide

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