TPS92510

更新时间： 2024-11-21 11:58:27

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
25页	1239K
描述
1.5-A Constant-Current Buck Converter for High-Brightness LEDs with Integrated LED Thermal Foldback

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TPS92510 数据手册

TPS92510

www.ti.com

SLUSAE4A –JANUARY 2012–REVISED JUNE 2012

1.5-A Constant-Current Buck Converter for High-Brightness LEDs

with Integrated LED Thermal Foldback

Check for Samples: TPS92510

FEATURES

DESCRIPTION

•

3.5-V to 60-V Input Voltage Range

Integrated 200-mΩ High-Side MOSFET

200 mV Internal Voltage Reference

±3% LED Current Accuracy

The TPS92510 is a 60-V, 1.5-A peak current-mode

step-down converter with an integrated high-side

MOSFET. It is specifically designed for driving high-

brightness LEDs with a constant current. The tight-

tolerance, 200-mV internal reference voltage reduces

power dissipation in the current-sense resistor. A

dedicated pulse width modulation input pin allows

linear control of the light output.

•

100 kHz to 2.5 MHz Switching Frequency

Range

•

Dedicated PWM Dimming Input

LED Thermal Foldback

The TPS92510 integrates a thermal foldback feature

that reduces the average output current to ensure

that the sensed LED temperature never exceeds a

specific value, improving the reliability of the overall

system. An integrated frequency synchronization

Adjustable UVLO

Overcurrent Protection

Over-Temperature Protection

MSOP-10 (DGQ) PowerPAD™ Package

feature allows

a reduction of unwanted beat-

frequencies in multi-string applications and simplifies

EMI filtering. The adjustable input voltage UVLO

feature accommodates the various deep discharge

levels of multiple battery types.

APPLICATIONS

•

Street Lighting

Emergency Lighting

General Illumination

Industrial and Commercial Lighting

MR16 LED Bulbs

The TPS92510 includes cycle-by-cycle overcurrent

protection, and thermal shutdown protection. It is

available in a 10-pin MSOP PowerPAD™ package.

SIMPLIFIED APPLICATION

TSENSE

BOOT

VIN

PDIM

TPS92510

COMP

RT/CLK

VSENSE

GND

Pad

UDG-11042

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.

PowerPAD 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...25

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与TPS92510相关器件

型号	品牌	获取价格	描述	数据表
TPS92510_12	TI	获取价格	1.5-A Constant-Current Buck Converter for High-Brightness LEDs with Integrated LED Thermal
TPS92510DGQ	TI	获取价格	1.5-A Constant-Current Buck Converter for High-Brightness LEDs with Integrated LED Thermal
TPS92510DGQR	TI	获取价格	1.5-A Constant-Current Buck Converter for High-Brightness LEDs with Integrated LED Thermal
TPS92510EVM-011	TI	获取价格	1.5-A, Constant-Current, Non-Synchronous Buck Converter for High-Brightness LEDs with Inte
TPS92511	TI	获取价格	500mA 30W 阳极恒流降压型 LED 驱动器
TPS92511DDA	TI	获取价格	500mA 30W 阳极恒流降压型 LED 驱动器 \| DDA \| 8 \| -40 to
TPS92511DDAR	TI	获取价格	500mA 30W 阳极恒流降压型 LED 驱动器 \| DDA \| 8 \| -40 to
TPS92512	TI	获取价格	用于 LED 照明的 42V 2.5A 降压型电流调节器
TPS92512DGQR	TI	获取价格	用于 LED 照明的 42V 2.5A 降压型电流调节器 \| DGQ \| 10 \| -40
TPS92512DGQT	TI	获取价格	用于 LED 照明的 42V 2.5A 降压型电流调节器 \| DGQ \| 10 \| -40

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