TCA6507

Product Folder Order Now Technical Documents Tools & Software Support & Community 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 Transitions for Fade-ON and Fade-OFF Operating Power-Supply Voltage Range of 1.65 V to 3.6 V 5.5-V Tolerant Open-Drain Outputs Low Standby Current With Shutdown Capability for Additional Power Savings Programmed Through I2C Bus Interface Logic Compatible With SMBus No Glitch on Power Up ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) – 200-V Machine Model (A115-A) – 1000-V Charged-Device Model (C101) Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II 2 Applications Mobile Phones Desktop and Laptop Computers Human Machine Interface 3 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 turnin...