Brushless DC Drivers

三相无传感器正弦波风扇驱动芯片

A5931

Markets Served

这款集成的无传感器驱动器可最大限度地降低风扇噪音和振动，采用正弦波调制和闭环速度控制，确保安静高效运行，无需霍尔传感器。有车用与商用两种规格。

Evaluation Board

Product Details

Top Features

  • 180°正弦信号驱动 - 低可闻噪声和振动
  • 根据 Allegro 的无传感器算法获得电机位置，无需外部霍尔传感器
Target Application

Part Number Specifications and Availability

View Full Specification Details

A5931GESTR-1-T

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

A5931GESTR-S-T

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

A5931GESTR-T

supply_voltage_min_v
5
supply_voltage_max_v
16
peak_output_current_a
4.2
architecture
Integrated MOSFET
control_interface
PWM Speed, I²C
rds_on
0.21 - 0.3, 0.225 - 0.32
commutation
Sinusoidal
motor_positioning_method
Sensorless
sleep_current
100
current_sense_amplifiers
-
number_of_bridges
Half-Bridge x3
temperature
-40°C to 105°C, -40°C to 125°C
package
24-Pin QFN, 16-Pin TSSOP
market
Industrial
typical_load_current_a
0-3

A5931GLPTR-T

supply_voltage_min_v
5
supply_voltage_max_v
16
peak_output_current_a
4.2
architecture
Integrated MOSFET
control_interface
PWM Speed, I²C
rds_on
0.21 - 0.3, 0.225 - 0.32
commutation
Sinusoidal
motor_positioning_method
Sensorless
sleep_current
100
current_sense_amplifiers
Integrated
number_of_bridges
Half-Bridge x3
temperature
-40°C to 105°C, -40°C to 125°C
package
24-Pin QFN, 16-Pin TSSOP
market
Industrial
typical_load_current_a
0-3

A5931KESTR-1-J

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

A5931KLPTR-T

supply_voltage_min_v
5
supply_voltage_max_v
16
peak_output_current_a
4.2
architecture
Integrated MOSFET
control_interface
PWM Speed, I²C
rds_on
0.21 - 0.3, 0.225 - 0.32
commutation
Sinusoidal
motor_positioning_method
Sensorless
sleep_current
100
current_sense_amplifiers
Integrated
number_of_bridges
Half-Bridge x3
temperature
-40°C to 105°C, -40°C to 125°C
package
24-Pin QFN, 16-Pin TSSOP
market
Industrial
typical_load_current_a
0-3

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A5931

A5931 ECAD Model Type Image
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