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TPS546B24ARVFR TI Chips TPS546B24A 2.95-V to 18-V 20-A Up to 4× Stackable PMBus Buck Converter

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TPS546B24ARVFR TI Chips TPS546B24A 2.95-V to 18-V 20-A Up to 4× Stackable PMBus Buck Converter

Brand Name:	TI chips
Model Number:	TPS546B24ARVFR
MOQ:	2500
Packaging Details:	2500PCS/reel
Payment Terms:	T/T

Detail Information

Product Description

Detail Information

Place of Origin:

China

Document:

Model:

TPS546B24ARVFR

Type:

SMD/SMT

Product Name:

TI Chips

Operating Temperature:

- 40 °C~+ 150 °C

Switching Frequency:

225 KHz To 1.5 MHz

Quiescent Current:

12.5 MA

Supply Ability:

1000000

Highlight:

TPS546B24ARVFR

TPS546B24ARVFR TI Chips

2.95V Buck Converter

Product Description

TI chips TPS546B24ARVFR TPS546B24A 2.95-V to 18-V, 20-A, Up to 4× Stackable, PMBus® Buck Converter

Features

• Split rail support: 2.95-V to 18-V PVIN; 2.95-V to

18-V AVIN (4-VIN VDD5 for switching)

• Integrated 5.5-mΩ/1.8-mΩ MOSFETs

• Average current mode control with selectable

internal compensation

• 2×, 3×, 4× stackable with current sharing up to 80

A, supporting a single address per output

• Selectable 0.5-V to 5.5-V output via pin strap or

0.25-V to 5.5-V using 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 TPS546B24A

With WEBENCH® Power Designer

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

Description

The TPS546B24A is a highly integrated, non-isolated

DC/DC converter capable of high frequency operation

and 20-A current output from a 7-mm × 5-mm

package. Two, three, and four TPS546B24A devices

can be interconnected to provide up to 80 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 TPS546B24A 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

TPS546B24Aconverters 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.

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products details

TPS546B24ARVFR TI Chips TPS546B24A 2.95-V to 18-V 20-A Up to 4× Stackable PMBus Buck Converter

OSRAM LED Chip

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