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TPS92201MDRVR中文資料德州儀器數(shù)據(jù)手冊(cè)PDF規(guī)格書(shū)

TPS92201MDRVR
廠商型號(hào)

TPS92201MDRVR

功能描述

TPS92201 1.5A High Efficiency Synchronous Buck LED Driver

絲印標(biāo)識(shí)

3CXH

封裝外殼

WSON

文件大小

3.22799 Mbytes

頁(yè)面數(shù)量

30 頁(yè)

生產(chǎn)廠商 Texas Instruments
企業(yè)簡(jiǎn)稱(chēng)

TI德州儀器

中文名稱(chēng)

美國(guó)德州儀器公司官網(wǎng)

原廠標(biāo)識(shí)
數(shù)據(jù)手冊(cè)

下載地址一下載地址二到原廠下載

更新時(shí)間

2025-1-7 23:00:00

TPS92201MDRVR規(guī)格書(shū)詳情

1 Features

? 2.5V to 5.5V input voltage range

? 1.5A constant output current

? Up to 95% efficiency

? 0.1μA shutdown current

? 220mΩ (HS) / 170mΩ (LS) MOSFETs

? Up to 100% switching duty cycle

? 1.5MHz switching frequency

? Force PWM mode for low output ripple

(TPS92201)

? Power save mode for high efficiency in light load

(TPS92201A)

? 0.6V to VIN output voltage range

? 100mV feedback regulation voltage

? 1% to 100% analog dimming with high accuracy

? 20kHz to 200kHz PWM input frequency

? Internal soft startup

? Full protection with over current, LED open/short,

FB resistor open/short

? Thermal shutdown protection

? WSON and SOT563 package options

2 Applications

? Test and measurement

? Power delivery

? Building automation

– Smart home camera

– Video doorbell

– IP camera

– Smart doorlock

– Flashlight

3 Description

The TPS92201 is a high-efficiency 1.5A synchronous

buck-type LED driver with 2.5V to 5.5V input range.

By integrating the high-side and low-side MOSFET,

high efficiency and compact solution size can be

achieved. The ultra-low 1μA shutdown current helps

saving power in battery-powered applications.

Adaptive off-time with peak current control scheme is

adapted in the TPS92201. To get the smallest output

ripple, the device operates at typically 1.5MHz pulse

width modulation (PWM) mode in full current range.

Adaptive off-time with peak current control scheme is

adapted in the TPS92201A. At medium to heavy load,

the device operates in pulse width modulation (PWM)

mode with 1.5MHz switching frequency. At light

load, the device automatically enters pulse frequency

modulation (PFM) to maintain high efficiency over the

entire load current range.

The integrated switches have the capability to deliever

up to 1.5A constant current. Analog dimming is

achieved by adjusting the duty cycle of the PWM input

with 1% to 100% range. 20kHz to 200kHz input PWM

frequency can be supported to avoid audible noise.

For safety and protection, the TPS92201 device

implement full protections, including LED open, LED

short, FB resistor open, FB resistor short and thermal

shutdown.

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