Datasheet > TPS544C20

TPS544C20

更新时间： 2024-12-02 01:17:27

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德州仪器 - TI		/
页数	文件大小	规格书
74页	2715K
描述
TPS544x20 4.5-V to 18-V, 20-A, and 30-A SWIFTâ¢ Synchronous Buck Converters with PMBusâ¢

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TPS544B20, TPS544C20

SLUSB69 –MAY 2014

TPS544x20 4.5-V to 18-V, 20-A, and 30-A SWIFT™

Synchronous Buck Converters with PMBus™

1 Features

3 Description

The TPS544B20 and TPS544C20 devices are

PMBus compatible, non-isolated DC-DC Integrated

FET converters, capable of high-frequency operation

and delivering 20-A , or 30-A current output from a

5 mm × 7 mm package, enabling high-power density

and fast transient performance with minimal PCB

area. The PMBus interface provides for converter

configuration as well as monitoring of key parameters

including output voltage, current and an optional

external temperature. High-frequency, low-loss

switching, provided by an integrated NexFET power

stage and optimized drivers, allows for very high-

density power solutions and reduced inductor and

filter capacitor sizes. Response to fault conditions can

be set to either restart or latch off depending on

system requirements.

•

PMBus-Enabled Converters: 20 A, 30 A

4.5-V to 18-V input, 0.6-V to 5.5-V Output

5 mm × 7 mm LQFN Package with 0.5-mm Pitch

Single Thermal Pad

Integrated 4.5-mΩ and 2.0-mΩ Stacked

NexFET™ Power Stage

•

600-mV, 0.5% Reference

Lossless, Low-Side MOSFET Current Sensing

Selectable D-CAP™ and D-CAP2™ Mode Control

Differential Remote Sensing

Monotonic Start-Up into Pre-Biased Output

Output Voltage Margin and Trim

Output Voltage and Output Current Reporting

External Temperature Monitoring with 2N3904

Programmable via PMBus

Device Information⁽¹⁾

PART NAME

TPS544B20

TPS544C20

PACKAGE

BODY SIZE (NOM)

–

Overcurrent Protection

UVLO, Soft-Start

LQFN (40)

5.00 mm × 7.00 mm

(1) For all available packages, see the orderable addendum at

the end of the datasheet.

PGOOD, OV, UV, OT Levels

Fault Responses

Turn-On and Turn-Off Delays

Efficiency vs Output Current

•

Thermal Shutdown

100

Pin Compatible 20-A, 30-A Converters

2 Applications

•

Test and Instrumentation

Ethernet Switches, Optical Switches, Routers,

Base Stations

Output Voltage

•

Servers

0.6 V

1.0 V

1.8 V

3.3 V

0.8 V

1.2 V

2.5 V

Enterprise Storage SSD

High-Density Power Solutions

Load Current (A)

C003

V_IN= 12 V

L = 410 nH

Snubber = Open

f_SW= 500 kHz

R_DCR= 0.3 m

R_BOOT= 0

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...74

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与TPS544C20相关器件

型号	品牌	获取价格	描述	数据表
TPS544C20RVFR	TI	获取价格	具有 PMBus 编程功能和监控的 4.5V 至 18V、30A 同步 SWIFT™ 降压
TPS544C20RVFT	TI	获取价格	具有 PMBus 编程功能和监控的 4.5V 至 18V、30A 同步 SWIFT™ 降压
TPS544C25	TI	获取价格	具有 PMBus 和频率同步功能的 4.5V 至 18V、30A 同步 SWIFT™ 降压
TPS544C25RVFR	TI	获取价格	具有 PMBus 和频率同步功能的 4.5V 至 18V、30A 同步 SWIFT™ 降压
TPS544C25RVFT	TI	获取价格	具有 PMBus 和频率同步功能的 4.5V 至 18V、30A 同步 SWIFT™ 降压
TPS544C26	TI	获取价格	4V 至 16V、35A SVID 和 I²C 同步降压转换器
TPS544C26RXXR	TI	获取价格	4V 至 16V、35A SVID 和 I²C 同步降压转换器 \|
TPS5450	TI	获取价格	5-A, WIDE INPUT RANGE, STEP-DOWN SWIFT CONVERTER
TPS5450DDA	TI	获取价格	5-A, WIDE INPUT RANGE, STEP-DOWN SWIFT CONVERTER
TPS5450DDAG4	TI	获取价格	5-A, WIDE INPUT RANGE, STEP-DOWN SWIFT CONVERTER

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