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HM1628 - LED Driver

General Description

HM1628 is an LED Controller driven on a 1/5 to 1/8 duty factor.

Key Features

  • CMOS technology.
  • Low power consumption.
  • Multiple display modes (10 segment, 7 grid to 13 segment, 4 grid).
  • Key scanning (10 x 2 Matrix).
  • 8-step dimming circuitry.
  • Serial interface for clock, data input, data output, strobe pins.
  • Built-in RC oscillator: （450KHz±5%）.
  • Available in 28 pins, SOP 2、BLOCK.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HM1628-AX-BJ-67EN HM1628 LED Driver IC Product Specification Specification Revision History ： Version 2010-01-A 2012-01-B1 Data 2010-01 2012-01 Description Replace the new template Increase in the number and history p p eC Ki KLL K K 1、GENERAL DESCRIPTION HM1628 is an LED Controller driven on a 1/5 to 1/8 duty factor. 10 segment output lines, 4 grid output lines, 3 segment/ grid output lines, one display memory, control circuit, key scan circuit are all incorporated into a single chip to build a highly reliable peripheral device for a single chip microcomputer. Serial data is fed to HM1628 via a three-line serial interface. Housed in a 28 pins SOP Package, HM1628 pin assignments and application circuit are optimized for easy PCB Layout and cost saving advantages.