CP2143 Datasheet - CHIP

CP2143 3-Channel Low-Dropout Constant-Current Parallel LED Driver

The CP2143, a 3-channel low-dropout constant-current parallel LED driver, can be used to drive white LED, blue LED or any color LED whose forward operating voltage is lower than the battery voltage. The unique Smart-MirrorTM technology is introduced in CP2143, which can guarantee a constant LED curr.

CP2143 Features

* y y y y y y y y y 38μA supply current, can be powered by a GPIO port low as 2.5V LED’s current set by external resistor, up to 40mA per channel supported Only 150mV dropout voltage needed at 20mA per channel LED current matching: ±0.3% (typical) PWM dimming control or DC voltage control supported Ov

CP2143 Datasheet (212.94 KB)

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Datasheet Details

Part number:

CP2143

Manufacturer:

CHIP

File Size:

212.94 KB

Description:

3-channel low-dropout constant-current parallel led driver.

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CP2143 3-Channel Low-Dropout Constant-Current Parallel LED Driver CHIP

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