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TCA6507 Datasheet Low-voltage 7-bit I2c And Smbus Led Driver

Manufacturer: Texas Instruments

Overview: Product Folder Order Now Technical Documents Tools & Software Support & munity Reference Design TCA6507 SCPS164D – MAY 2007 – REVISED FEBRUARY 2017 TCA6507 Low-Voltage 7-Bit I2C and SMBus LED Driver With Intensity.

General Description

This 7-bit LED dimmer for the two-line bidirectional bus (I2C) is designed to control (or dim) LEDs through the I2C interface.

Without this device, the microcontroller must be actively involved in turning on and off the LEDs (per the required dimming rate), which uses valuable processor time.

The TCA6507 alleviates this issue by limiting the number of operations required by the processor in blinking LEDs and helps to create a more efficient system.

Key Features

  • 1 Seven LED Driver Outputs: ON, OFF, Blinking, Fading at Programmable Rates.
  • Open-Drain Outputs Directly Drive LEDs to 40-mA Maximum.
  • Two Independent Banks of LED Drivers.
  • Widely Programmable Blink Rates, Fade-ON and Fade-OFF Rates and Maximum Intensity.
  • Outputs Not Used as LED Drivers Can Be Used as Regular General-Purpose Open-Drain Outputs.
  • 16 Steps of Maximum Intensity Control from Fully-OFF to Fully-ON States.
  • Smooth Perceived T.

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