Datasheet > TPS61162D_16

TPS61162D_16

更新时间： 2024-01-14 11:40:42

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德州仪器 - TI		/
页数	文件大小	规格书
26页	1883K
描述
Dual-Channel WLED Drivers for Smart Phones

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中文翻译

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数据手册

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TPS61162D_16 数据手册

TPS61162D

www.ti.com

SLVSC13 –JULY 2013

Dual-Channel WLED Drivers For Smart Phone

Check for Samples: TPS61162D

FEATURES

DESCRIPTION

The TPS61162D is a dual-channel WLED driver

which provides highly integrated solutions for single-

cell Li-ion battery powered smartphone backlight. The

device has a built-in high efficiency boost regulator

with integrated 1.5A/40V power MOSFET and

support as low as 2.7V input voltage. With two high

current-matching capability current sink regulators,

the device can drive up to 7s2p WLED diodes. The

boost output can automatically adjust to the WLED

forward voltage and allow very low voltage headroom

control, thus to improve LED strings efficiency

effectively.

•

2.7V to 6.5V Input Voltage

Integrated 1.5A/40V MOSFET

1.2MHz Switching Frequency

Dual Current Sinks of up to 30mA Current

Each

•

1% Typical Current Matching and Accuracy

26.5V OVP Threshold

Adaptive Boost Output to WLED Voltages

Very Low Voltage Headroom Control (90mV)

Flexible Digital and PWM Brightness Control

1-Wire Control Interface (EasyScale)

PWM Dimming Control Interface

Up to 100:1 PWM Dimming Ratio

Up to 10-bit Dimming Resolution

Up to 90% Efficiency

The TPS61162D supports both of the PWM dimming

interface and 1-wire digital EasyScale™ dimming

interface and can realize 9-bit brightness code

programming.

The TPS61162D integrates built-in soft start, over

voltage/current protection, and thermal shut down

protections.

Built-in Soft Start

The device is available in a space-saving 1.31 mm x

1.31 mm CSP package.

Over Voltage Protection

Built-in WLED Open/Short Protection

Thermal Shutdown

TYPICAL APPLICATION

Support 4.7uH Inductor Application

9L 1.31 mm x 1.31 mm CSP Package

4.7µH

2.7V ~ 6.5V

VBAT

10ꢀ

1µF

APPLICATIONS

VIN

•

Smart Phones

1µF

PDAs, Handheld Computers

GPS Receivers

Enable /

Disable

Backlight for Small and Media Form Factor

LCD Display with Single-Cell Battery Input

TPS61162D

PWM

Dimming

PWM

IFB1

IFB2

COMP

330nF

ISET

63.4kꢀ

GND

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...26

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与TPS61162D_16相关器件

型号	品牌	获取价格	描述	数据表
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
TPS61163YFFR	TI	获取价格	Dual-Channel WLED Drivers For Smart Phone
TPS61165	TI	获取价格	High Brightness White LED Driver in 2mm x 2mm QFN Package
TPS61165_10	TI	获取价格	High Brightness White LED Driver in 2mm x 2mm QFN and SOT-23 Packages
TPS61165_17	TI	获取价格	High-Brightness, White LED Driver in WSON and SOT-23 Packages
TPS61165DBV	TI	获取价格	High Brightness White LED Driver in 2mm x 2mm QFN and SOT-23 Packages
TPS61165DBVR	TI	获取价格	High Brightness White LED Driver in 2mm x 2mm QFN and SOT-23 Packages

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