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Product Descriptions

DM632 is a 16-channel constant current sink LED driver. Each channel has adjustable 16-bits (65536  steps)  grayscale  PWM  control  current  outputs.  It  incorporates  shift  registers,  data  latches,  constant  current  circuitry  with  current  value  set  by  an  external  resistor,  selectable  oscillator  source  for PWM functioning, and built-in LED open detection circuit to detect error status. It is specifically designed for LED display or lighting applications.

Product Features

z Constant-current outputs: 5mA to 90mA adjustable by one external resistor

z 16-bit linear PWM control current outputs for each channel

z Maximum output voltage: 17V

z Maximum clock frequency: 25MHzz Selectable internal/external PWM reference clock

z PWM free-running capability (refresh rate (~ 275Hz) with internal oscillator (~ 18 MHz))

z Build-in real-time open detection

z Package and pin assignment (except QFN32) compatible to pure LED driver series (ST2221C, DM134/5/6, DM13C)

z Power supply voltage: 3.3V to 5.5V

Product Applications

z Indoor/Outdoor LED Video Display

z LED Variable Message Signs (VMS) System

z LED Decorative Lighting

Specifications

Actual product photos

Payment&Transportation

Official Certificate&Certificate

Multiple product supply

Company office environment

Warehouse Real Shot

Standard packaging

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