Purchase A1441, In-stock A1441 From SeekIC.
Part Number: A1441
Description: The A1441 is a full-bridge motor driver designed to drive low-voltage bipolar brushless dc motors. Com...
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A1441
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DataSheet
General Description
A1441 General Description
The A1441 is a full-bridge motor driver designed to drive low-voltage bipolar brushless dc motors. Commutation of the motor is achieved by use of a single Hall element sensor to detect the position of an alternating-pole ring magnet. A high density merged Bipolar-CMOS semiconductor process allows the integration of the Hall element on the same IC as the motor control circuitry, providing a single-chip solution for enhanced reliability. All necessary circuitry is incorporated within the device package, eliminating the need for any external support components.
A micropower sleep mode can be enabled by an external signal, to reduce current consumption for battery management in portable electronic devices. In addition, the device offers an active function for motor braking.
A1441 Maximum Ratings
Supply Voltage, VDD................................................5.0 V
Reverse Battery Voltage, VRDD............................ 0.3 V
Output Voltage, VOUT ..................0.3 V to VDD + 0.3 V
Control Input Voltage,VIN(High) ...0.3 V to VDD + 0.3 V
Load Current*, ILOAD .......................................±150 mA
Magnetic Flux Density, B ................................... Unlimited
Operating Temperature
Ambient, TA, Range S ................................20ºC to 85ºC
Maximum Junction, TJ(max)...................................... 165ºC
Storage Temperature, TS .........................65ºC to 170ºC
Reverse Battery Voltage, VRDD............................ 0.3 V
Output Voltage, VOUT ..................0.3 V to VDD + 0.3 V
Control Input Voltage,VIN(High) ...0.3 V to VDD + 0.3 V
Load Current*, ILOAD .......................................±150 mA
Magnetic Flux Density, B ................................... Unlimited
Operating Temperature
Ambient, TA, Range S ................................20ºC to 85ºC
Maximum Junction, TJ(max)...................................... 165ºC
Storage Temperature, TS .........................65ºC to 170ºC
A1441 Features
Single-chip solution for high reliability
Chopper stabilization technique for precise signal response over operating range
2.0 to 4.0 V operation
Sleep mode pin allowing external logic signal enable/disable to reduce average power consumption
Restart feature
Small package size
Chopper stabilization technique for precise signal response over operating range
2.0 to 4.0 V operation
Sleep mode pin allowing external logic signal enable/disable to reduce average power consumption
Restart feature
Small package size
A1441
PDF/DataSheet Download
- Datasheet: A1441
- File Size: 160631 KB
- Manufacturer: ALLEGRO [Allegro MicroSystems]
- Click here to Download
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