AH285 Datenblatt PDF ( Pinout, schematic )

Teilenummer : AH285


Hersteller : Diodes Incorporated.

Pinout :

AH285 datenblatt

Beschreibung :

The AH285 is a single-chip solution for driving two-coil brushless direct current (BLDC) fans and motors. The device includes a Hall-effect sensor, dynamic offset correction and
two complementary open-drain output drivers with internal Zener diode protection.
To help protect the motor coils, the AH285 provides Rotor Lock Protection which shuts down output drives if rotor lock is detected. The device automatically re-starts when the rotor lock is removed. A Tachometer output is provided by open-drain Frequency
Generator (FG) Pin which allows external interface to monitor motor rotation or speed. The FG output is the magnetic change frequency.
The AH285 is available in SOT89-5L package.

• Single-chip solution
•  Operating Voltage: 3.8V to 20V
•  Built-in Hall sensor and input amplifier
•  Tachometer (FG) output
•  Rotor Lock Protection (Lock detection, output shutdown
and automatic re-start)
•  Built-in Zener protection for output driver
•  Average output current up to 500mA
•  Packaged in SOT89-5L
•  Green Molding Compound

Datenblatt PDF Download

AH285 pdf

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