CR211 - 2PHASE DC MOTOR DRIVER

General Description

The CR211, one chip composed of hall sensor and output coil drivers, applied to 2-phase DC motor.

The high sensitivity of Hall Effect sensor is suitable for motors from mini-type CPU coolers to blowers and DC fans.

CR211 2phase dc motor driver by YZPST - Datasheet Preview

Datasheet Details

Part number	CR211
Manufacturer	YZPST
File Size	509.59 KB
Description	2PHASE DC MOTOR DRIVER
Datasheet	CR211 Datasheet

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YANGZHOU POSITIONING TECH. CO., LTD CR211 2PHASE DC MOTOR DRIVER WITH SPEED DETECTION 1. General Description The CR211, one chip composed of hall sensor and output coil drivers, applied to 2-phase DC motor. The high sensitivity of Hall Effect sensor is suitable for motors from mini-type CPU coolers to blowers and DC fans. The device also includes a n amplifier that amplifies the Hall voltage, and a Schmitt trigger to provide switching hysteresis for noise rejection, and complementary open-collector drivers for sinking large current loads. An internal bandgap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply voltage. CR211 could support 300mA driven current and wide operating voltage range.