TPS53681RSBR The Texas Instruments TPS53681RSBR is a dual-channel D-CAP+ step-down multiphase controller. It operates with an input voltage range of 4.5V to 17V and supports up to 300A output current.
Mfr Part #:

TPS53681RSBR

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS53681RSBR is a dual-channel D-CAP+ step-down multiphase controller. It operates with an input voltage range of 4.5V to 17V and supports up to 300A output current.
Total Stock: 1,173 pcs
$ Price Range: $2.82

TPS53681RSBR Available from 1 distributor

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TPS53681RSBR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Duty Cycle (Max)
Features
Frequency
Function
Input Voltage
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
Output Voltage
Serial Interfaces
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage

TPS53681RSBR Description

Short technical summary and product information.

The Texas Instruments TPS53681RSBR is a versatile dual-channel D-CAP+ step-down multiphase controller designed for high-performance power management applications. It supports phase configurations from (6+2) to (5+3) phases, enabling efficient power delivery.

 

Key electrical specifications include an input voltage range of 4.5V to 17V and a maximum output current of 300A. The controller features a D-CAP+ control mode, adjustable current limit, and PMBus serial interface for advanced control and monitoring. It operates with a frequency range of 300kHz to 1MHz.

 

This device is housed in a 40-WQFN (5x5) exposed pad package, suitable for surface mounting. The operating temperature range is -40°C to 125°C (TJ). Its features include dynamic voltage scaling, enable, light load efficiency, multiple outputs, phase interleaving, power good indication, pre-bias start-up, remote sense, synchronous rectification, and adjustable UVLO and voltage margining.

 

The TPS53681RSBR is designed for applications requiring precise and efficient voltage regulation, such as computing, servers, and high-power DC/DC conversion systems.

TPS53681RSBR Quick Information

Product Type: DC DC Switching Controller
Canonical Name: TPS53681 Dual-Channel D-CAP+ Step-Down Multiphase Controller
Subcategory: Power Management ICs

TPS53681RSBR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TPS53681RSBR Estimated Pricing

Qty Low High
1+ $2.82 $2.82

Estimated market price range - modelled values for guidance only, not live distributor offers.

TPS53681RSBR Features

  • Dual-channel D-CAP+ step-down controller.
  • Input voltage range 4.5V to 17V.
  • Maximum output current 300A.
  • PMBus serial interface included.
  • Surface mount 40-WQFN package.

TPS53681RSBR Applications

  • Multiphase buck controller for high-current cores
  • DDR memory power supply regulation
  • High-performance computing voltage regulation
  • FPGA core and I/O power delivery
  • Telecommunications and networking equipment

TPS53681RSBR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the TPS53681RSBR?

The input voltage range is 4.5 V to 17 V.

What is the maximum output current capability?

The maximum output current is 300 A.

What control mode does the TPS53681RSBR use?

It uses the D-CAP+ control mode.

What serial interfaces are supported?

The device supports the PMBus serial interface.

What is the operating temperature range?

The operating temperature range is -40°C to 125°C.

What package type is the TPS53681RSBR supplied in?

It is supplied in a 40-WQFN (5x5) exposed pad package.

How is the TPS53681RSBR mounted?

It is designed for surface mount.

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