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uPD168110 - MICROSTEP DRIVER

Description

stage.

It can reduce the current consumption and the voltage loss at the output stage compared with a conventional driver using bipolar transistors, thanks to employment of a MOS process.

Features

  • O Two H bridge circuits employing power MOSFET O Current feedback 64-step microstep driving and two-phase excitation driving selectable O Low on-resistance: 2 Ω MAX. O 3 V power supply Minimum operating power supply voltage VDD = 2.7 V O Under voltage lockout circuit Shuts down internal circuitry at VDD = 1.7 V TYP. O 24-pin TSSOP.

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Full PDF Text Transcription

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DATA SHEET MOS INTEGRATED CIRCUIT µPD168110 MICROSTEP DRIVER FOR DRIVING CAMERA LENS DESCRIPTION The µPD168110 is a monolithic 2-channel H bridge driver that consists of a CMOS controller and a MOS output stage. It can reduce the current consumption and the voltage loss at the output stage compared with a conventional driver using bipolar transistors, thanks to employment of a MOS process. This product employs a P-channel MOSFET on the high side of the output stage, eliminating a charge pump. As a result, the circuit current consumption can be substantially reduced during operation. This product is ideal for driving the motor of a digital still camera as it can switch over between two-phase excitation driving and microstep driving, using a stepper motor.
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