UDG-12217

SVDD

SCL

SDA

SADJ

LADJ

CS

COMP

LNG

LNCS

GND

VIN

VCC

GATE

SW

BOOT

EN/UVLO

RON

VO

GND

REF

VCC

LED1+

TPS92660

I

2

C

Interface

Dimming

Signal

AC/DC

Front End

LED2+

LED1+

LED2+

TPS92660

www.ti.com

SLUSBC2 – APRIL 2013

Check for Samples: TPS92660

1

FEATURES

APPLICATIONS

2

•

Input Voltage: Up to 80 V

•

Professional Lighting

•

Two-Output LED Current Controller

•

Industrial and Commercial Lighting

•

LED Currents Trimmed Through One-Time

•

General Illumination

DESCRIPTION

•

Adjustable SADJ and LADJ Pins for PWM

The TPS92660 is a two-output LED driver with one

Dimming of Each LED String

•

Input Undervoltage Lockout and Output

LED current trim. The current trim provides a way for

Overvoltage Protection

LED fixture manufacturers to produce LED lighting

•

Enable On/Off

fixtures at a consistent lumen output without binning

LEDs.

•

Accurate 3.0-V Reference Voltage

•

> 95% Efficiency

One output of the device is a non-synchronous buck

controller which is used to regulate current of higher

•

Thermal Shutdown Protection

power white LEDs. The other output of the device is a

•

20-pin TSSOP Exposed Pad Package

linear regulator controller which is used to regulate

current of lower power red LEDs. The TPS92660 is

used for applications of controlled CCT (correlated

color temperature) LED lights by mixing white LEDs

with red LEDs.

This device is available in a 20-pin, TSSOP exposed

pad package.

TYPICAL APPLICATION

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.