TPS61161DRVTG4

更新时间： 2024-02-04 11:56:20

品牌	Logo	应用领域
德州仪器 - TI		驱动器
页数	文件大小	规格书
27页	1088K
描述
White LED Driver With Digital and PWM Brightness Control in 2mm x 2mm QFN Package

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TPS61161DRVTG4 数据手册

TPS61160

TPS61161

www.ti.com

SLVS791C –NOVEMBER 2007–REVISED APRIL 2012

White LED Driver With Digital and PWM Brightness Control in 2mm x 2mm

QFN Package

Check for Samples: TPS61160, TPS61161

FEATURES

DESCRIPTION

With

a 40-V rated integrated switch FET, the

•

2.7V to 18V Input Voltage Range

26V Open LED Protection (TPS61160)

38V Open LED Protection (TPS61161)

200mV Reference Voltage With ±2% Accuracy

Flexible Digital and PWM Brightness Control

Built-in Soft Start

TPS61160/1 is a boost converter that drives LEDs in

series. The boost converter runs at 600kHz fixed

switching frequency to reduce output ripple, improve

conversion efficiency, and allows for the use of small

external components.

•

The default white LED current is set with the external

sensor resistor Rset, and the feedback voltage is

regulated to 200mV, as shown in the typical

application. During the operation, the LED current can

be controlled using the 1-wire digital interface

( Easyscale™ protocol) through the CTRL pin.

Alternatively, a pulse width modulation (PWM) signal

can be applied to the CTRL pin through which the

duty cycle determines the feedback reference

voltage. In either digital or PWM mode, the

TPS61160/1 does not burst the LED current;

therefore, it does not generate audible noises on the

output capacitor. For maximum protection, the device

features integrated open LED protection that disables

the TPS61160/1 to prevent the output voltage from

exceeding the IC's absolute maximum voltage ratings

during open LED conditions.

Up to 90% Efficiency

2mm × 2mm × 0.8mm 6-pin QFN Package With

Thermal Pad

APPLICATIONS

•

Cellular Phones

Portable Media Players

Ultra Mobile Devices

GPS Receivers

White LED Backlighting for Media Form Factor

Display

The TPS61160/1 is available in a space-saving,

2mm × 2mm QFN package with thermal pad.

V 3 V to 18 V

38 V Max

22 mH

1 mF

TPS61161

VIN

ON/OFF

DIMMING

CONTROL

CTRL

COMP

GND

set

10 W

220 nF

L1: TDK VLCF5020T-220MR75-1

C1: Murata GRM188R61E105K

C2: Murata GRM21BR71H105K

D1: ONsemi MBR0540T1

20 mA

Figure 1. Typical Application of TPS61161

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.

Easyscale is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...27

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TPS61161DRVTG4 替代型号

型号	品牌	替代类型	描述	数据表
TPS61161DRVRG4	TI	完全替代	White LED Driver With Digital and PWM Brightness Control in 2mm x 2mm QFN Package
TPS61161DRVR	TI	完全替代	White LED Driver With Digital and PWM Brightness Control in 2mm x 2mm QFN Package for up t
TPS61161DRVT	TI	类似代替	White LED Driver With Digital and PWM Brightness Control in 2mm x 2mm QFN Package for up t

与TPS61161DRVTG4相关器件

型号	品牌	获取价格	描述	数据表
TPS61161-Q1	TI	获取价格	WHITE LED DRIVER WITH DIGITAL AND PWM BRIGHTNESS CONTROL FOR UP TO 10 LEDs IN SERIES
TPS61161QDRVRQ1	TI	获取价格	WHITE LED DRIVER WITH DIGITAL AND PWM BRIGHTNESS CONTROL FOR UP TO 10 LEDs IN SERIES
TPS61162A	TI	获取价格	适用于智能手机的双通道 WLED 驱动器
TPS61162AYFFR	TI	获取价格	适用于智能手机的双通道 WLED 驱动器 \| YFF \| 9 \| -55 to 125
TPS61162D	TI	获取价格	Dual-Channel WLED Drivers For Smart Phone
TPS61162D_16	TI	获取价格	Dual-Channel WLED Drivers for Smart Phones
TPS61162DYFFR	TI	获取价格	Dual-Channel WLED Drivers For Smart Phone
TPS61163	TI	获取价格	Dual-Channel WLED Drivers For Smart Phone
TPS61163A	TI	获取价格	适用于小型显示屏的双通道 WLED 驱动器
TPS61163AYFFR	TI	获取价格	适用于小型显示屏的双通道 WLED 驱动器 \| YFF \| 9 \| -40 to 85

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