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TPS2561

ACTIVE
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0.25-2.8A, adjustable ILIMIT, 2.5-6.5V, dual channel power switch, active-high enable, 45 mOhm

Data sheet
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0.25-2.8A, adjustable ILIMIT, 2.5-6.5V, dual channel power switch, active-high enable, 45 mOhm

TPS2561

ACTIVE
Data sheet Order now

Product details

Parameters

Vin (Min) (V) 2.5 Vin (Max) (V) 6.5 Continuous current (Max) (A) 2.5 Current limit (A) 0.25 to 2.5 Enable Active High Number of switches 2 Rating Catalog open-in-new Find other USB power switches & charging port controllers

Package | Pins | Size

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Features

  • Two Separate Current Limiting Channels
  • Meets USB Current-Limiting Requirements
  • Adjustable Current Limit, 250 mA to 2.8 A (typ)
  • ± 7.5% Current-Limit Accuracy at 2.8 A
  • Fast Overcurrent Response - 3.5-µs (typ)
  • Two 44-mΩ High-Side MOSFETs
  • Operating Range: 2.5 V to 6.5 V
  • 2-µA Maximum Standby Supply Current
  • Built-in Soft-Start
  • 15-kV / 8-kV System-Level ESD Capable
  • UL Listed – File No. E169910
  • CB and Nemko Certified
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Description

The TPS2560 and TPS2561 are dual-channel power-distribution switches intended for applications where precision current limiting is required or heavy capacitive loads and short circuits are encountered. These devices offer a programmable current-limit threshold between 250 mA and 2.8 A (typ) per channel through an external resistor. The power-switch rise and fall times are controlled to minimize current surges during turn on and off.

Each channel of the TPS256x devices limit the output current to a safe level by switching into a constant-current mode when the output load exceeds the current-limit threshold. The FAULTx logic output for each channel independently asserts low during overcurrent and overtemperature conditions.

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Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 7
Type Title Date
* Datasheet TPS256x Dual Channel Precision Adjustable Current-limited Power Switches datasheet (Rev. B) Dec. 31, 2015
Selection guides USB Type-A Power Switch and Charging Controller Selector Guide (Rev. F) May 24, 2018
Technical articles Don’t underestimate the power of an LDO Oct. 19, 2013
Technical articles How to optimize your DSP power budget Oct. 03, 2013
Technical articles "X" Marks the spot - 7 Treasures in a pirate engineer's treasure chest Sep. 19, 2013
Technical articles Power Tips: How to be discrete Sep. 17, 2013
User guides Using the TPS2560/1EVM Nov. 19, 2009

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
299
Description
The FPC401EVM aggregates all low-speed signals of two stacked on-board QSFP and SFP cages and LEDs, allowing full control of the four ports through a single I2C or SPI interface. The on-board MSP430 controller and GUI allow for easy configuration and testing of the FPC401 with both I2C and SPI and (...)
Features
  • On-board SPI/I2C controller for easy programming via USB port
  • On-board QSFP+ and SFP+ cages with LEDs
  • Reference layout for placement of FPC401 underneath SFP+ cage
View details
EVALUATION BOARDS Download
document-generic User guide
299
Description
The FPC402EVM aggregates all low-speed signals of two stacked on-board QSFP and SFP cages and LEDs, allowing full control of the four ports through a single I2C or SPI interface. The on-board MSP430 controller and GUI allow for easy configuration and testing of the FPC401 with both I2C and SPI and (...)
Features
  • On-board SPI/I2C Controller for easy programming through USB
  • On-board QSFP and SFP Cages with LEDs
  • Reference layout for placement of FPC401 underneath SFP cage
View details
EVALUATION BOARDS Download
document-generic User guide
49
Description

The TPS2560EVM-424 and TPS2561EVM-424 are evaluation modules (EVM) for Texas Instruments power-distribution switches with adjustable current-limit. These EVMs operate over a 2.5-V to 6.5-V range. An on-board jumper sets the output current-limit to either 0.5 A or 1 A. The board is designed for the (...)

View details
EVALUATION BOARDS Download
document-generic User guide
249
Description

The Texas Instruments TUSB4020B evaluation module is a functional board design of a single device that implements a USB 2.0 hub. The EVM can support USB 2.0 (HS, FS, and LS) operation on its USB ports. This EVM is intended for use in evaluating system compatibility, developing optional EEPROM (...)

Features
  • Plug and play design
  • Can be configured using an optional serial EEPROM or SMBUS host
  • Local I2C Access through USB Interface via TUSB3410
  • A DC Power Jack (J9) to accept a 5-V wall power adapter
  • Configuration available through dip Switch
View details

Design tools & simulation

SIMULATION MODELS Download
SLVM475A.ZIP (33 KB) - PSpice Model

Reference designs

REFERENCE DESIGNS Download
USB Type-C HDD With USB Power Delivery Reference Design
TIDA-00882 — This reference design uses Texas Instrument's SuperSpeed USB 3.0 to SATA bridge, USB Type-CTM and USB PD controller with integrated power switch and High-Speed USB mux, and SuperSpeed USB 3.1 mux to demonstrate the subsystems required to implement a Type-C external hard disk drive capable of (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
3D Machine Vision Reference Design Based on AM572x Processor with DLP® Structured Light
TIDEP0076 — The TIDEP0076 3D machine vision design describes an embedded 3D scanner based on the structured light principle. A digital camera along with a Sitara™ AM57xx processor System on Chip (SoC)  is used to capture reflected light patterns from a DLP4500-based projector. Subsquent processing of (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Monte-Carlo Simulation on AM57x Using OpenCL for DSP Acceleration Reference Design
TIDEP0046 — TI’s high performance ARM® Cortex®-A15 based AM57x processors also integrate C66x DSPs. These DSPs were designed to handle high signal and data processing tasks that are often required by industrial, automotive and financial applications. The AM57x OpenCL implementation makes it easy (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Power and Thermal Design Considerations Using TI's AM57x Processor Reference Design
TIDEP0047 — This TI Design (TIDEP0047) is a reference platform based on the AM57x processor and companion TPS659037 power management integrated circuit (PMIC).  This TI Design specifically highlights important power and thermal design considerations and techniques for systems designed with AM57x and (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Compact Size Dual 2.5A USB Car Charger Reference Design
PMP9402 — PMP9402 is a dual USB car charger. This design utilizes the LM3150, TPS2561 Dual Channel Power Switch and a TPS2513 USB Dedicated Charging Port Controller. This design operates from 6 to 40V in. The output is set to 5V; both channels have a 2.5A current limit. This design has a switching frequency (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
17.5W Dual USB Car Charger Reference Design
PMP9367 — PMP9367 is a dual USB car charger reference design intended for use in aftermarket automotive application. This design utilizes the LM3150, TPS2561 Dual Channel Power Switch and a TPS2513 USB Dedicated Charging Port Controller. This design operates from 6 to 40V in. The outputs is set to 5V, channel (...)
document-generic Schematic document-generic User guide

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