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BL8589 - 16-Channel Constant-Current LED Driver

Description

The BL8589 is designed for LED display applications.

The device has an input shift register with corresponding data latches and 16 constant current sink drivers.

Features

  • 16 constant-current output channels, with maximum current capability up to 50 mA each.
  • 3.0 to 5.5 V logic supply range.
  • Schmitt trigger inputs for improved noise Immunity.
  • Power-On Reset , all register bits=0.
  • Low-power CMOS logic and latches.
  • High data input rate: 30MHz.
  • Output current accuracy: between channels < ±3% and between ICs ±6%, over the full operating temperature range.
  • Internal UVLO and thermal shutdown (TSD) circuitry.

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Datasheet Details

Part number BL8589
Manufacturer BELLING
File Size 338.18 KB
Description 16-Channel Constant-Current LED Driver
Datasheet download datasheet BL8589 Datasheet

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Full PDF Text Transcription

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BL8589 16-Channel Constant-Current LED Driver DESCRIPTION The BL8589 is designed for LED display applications. The device has an input shift register with corresponding data latches and 16 constant current sink drivers. The device support digital input with internal shift registers and latches, hence can be controlled directly by microprocessor-based systems. With a standard 3.3V or 5V logic supply, serial data input rates can reach up to 30 MHz. The BL8589 allows user defined maximum LED drive current level which is set by a single external resistor. Chip build-in serial data output permits cascading of multiple devices in applications requiring additional drive lines.
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