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Reference Design
TCA6507
SCPS164D – MAY 2007 – REVISED FEBRUARY 2017
TCA6507 Low-
Voltage 7-Bit I2C and SMBus LED Driver With Intensity Control and Shutdown
1 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...