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位置:TPS546D24RVFR.B > TPS546D24RVFR.B詳情

TPS546D24RVFR.B中文資料

廠家型號(hào)

TPS546D24RVFR.B

文件大小

1037.589Kbytes

頁(yè)面數(shù)量

15頁(yè)

功能描述

TPS546D24 2.95-V to 16-V, 40-A, up to 4× Stackable, PMBus? Buck Converter

數(shù)據(jù)手冊(cè)

下載地址一下載地址二到原廠下載

生產(chǎn)廠商

TI2

TPS546D24RVFR.B數(shù)據(jù)手冊(cè)規(guī)格書(shū)PDF詳情

1 Features

1? Split Rail Support: 2.95-V to 16-V PVIN;

2.95-V to 18-V AVIN (4-VIN VDD5 for Switching)

? Integrated 4.5-mΩ/0.9-mΩ MOSFETs

? Average Current Mode Control With Selectable

Internal Compensation

? 2×, 3x, 4× Stackable With Current Sharing up to

160 A, Supporting a Single Address per Output

? Selectable 0.6-V to 5.5-V Output via Pin Strap or

0.25-V to 5.5-V via PMBus VOUT_COMMAND

? Extensive PMBus Command Set With Telemetry

for VOUT, IOUT and Internal Die Temperature

? Differential Remote Sensing With Internal FB

Divider for < 1% VOUT Error –40°C to +150°C TJ

? AVS and Margining Capabilities Through PMBus

? MSEL Pins Pin Programming PMBus Defaults

? 12 Selectable Switching Frequencies from

225 kHz to 1.5 MHz (8 Pin-Strap Options)

? Frequency Sync In/Sync Out

? Supports Prebiased Output

? Supports Strongly Coupled Inductor

? 7 mm × 5 mm × 1.5 mm, 40-pin QFN,

Pitch = 0.5 mm

? Create a Custom Design Using the TPS546D24

With WEBENCH? Power Designer

2 Applications

? Data Center Switches, Rack Servers

? Active Antenna System, Remote Radio and

Baseband Unit

? Automated Test Equipment, CT, PET, and MRI

? ASIC, SoC, FPGA, DSP Core, and I/O Voltage

3 Description

The TPS546D24 is a highly integrated, non-isolated

DC/DC converter capable of high frequency operation

and 40-A current output from a 7-mm × 5-mm

package. Two, three, and four TPS546D24 devices

can be interconnected to provide up to 160 A on a

single output. The device has an option to overdrive

the internal 5-V LDO with an external 5-V supply via

the VDD5 pin to improve efficiency and reduce power

dissipation of the converter.

The TPS546D24 uses a proprietary fixed-frequency

current-mode control with input feedforward and

selectable internal compensation components for

minimal size and stability over a wide range of output

capacitances.

The PMBus interface with 1-MHz clock support gives

a convenient, standardized digital interface for

converter configuration as well as monitoring of key

parameters including output voltage, output current,

and internal die temperature. Response to fault

conditions can be set to restart, latch off, or ignore,

depending on system requirements. Back-channel

communication between stacked devices enables all

TPS546D24 converters powering a single output rail

to share a single address to simplify system

software/firmware design. Key parameters including

output voltage, switching frequency, soft-start time,

and overcurrent fault limits can also be configured

through BOM selection without PMBus

communication to support program free power-up.

更新時(shí)間:2025-9-22 9:11:00
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