TPS2561A-Q1

ACTIVE

AUTO 2-ch 0.25-2.8A adj. ILIMIT (tuned for 2.3±0.2A), 2.5-6.5V, 44mΩ USB power switch, active-high

Product details

Product type Adjustable current limit, Power switch Vin (min) (V) 2.5 Vin (max) (V) 6.5 Continuous current (max) (A) 2.5 Current limit (A) 0.25 to 2.5 Operating temperature range (°C) -40 to 125 Enable Active High Number of switches 2 Current limit accuracy at 1 A 2.1A Min / 2.5A Max Setting (Including Resistor) Rating Automotive
Product type Adjustable current limit, Power switch Vin (min) (V) 2.5 Vin (max) (V) 6.5 Continuous current (max) (A) 2.5 Current limit (A) 0.25 to 2.5 Operating temperature range (°C) -40 to 125 Enable Active High Number of switches 2 Current limit accuracy at 1 A 2.1A Min / 2.5A Max Setting (Including Resistor) Rating Automotive
VSON (DRC) 10 9 mm² 3 x 3
  • AEC-Q100 Qualified
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C5
  • Two separate current limiting channels
  • Meets USB Current-Limiting Requirements
  • Adjustable Current Limit, 250 mA–2.8 A (Typ.)
  • Accurate 2.1A Min / 2.5A Max Setting
  • Fast Short Circuit 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
  • AEC-Q100 Qualified
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C5
  • Two separate current limiting channels
  • Meets USB Current-Limiting Requirements
  • Adjustable Current Limit, 250 mA–2.8 A (Typ.)
  • Accurate 2.1A Min / 2.5A Max Setting
  • Fast Short Circuit 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

The TPS2561A-Q1 is dual-channel power-distribution switch intended for automotive 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 via an external resistor. The power-switch rise and fall times are controlled to minimize current surges during turn on/off.

Each channel of the TPS2561A-Q1 devices limits 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 over temperature conditions.

Use with the TPS2511-Q or TPS2513A-Q1 for a low loss, automotive qualified, USB Charging Port Solution capable of charging all of today's popular phones and tablets.

The TPS2561A-Q1 is dual-channel power-distribution switch intended for automotive 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 via an external resistor. The power-switch rise and fall times are controlled to minimize current surges during turn on/off.

Each channel of the TPS2561A-Q1 devices limits 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 over temperature conditions.

Use with the TPS2511-Q or TPS2513A-Q1 for a low loss, automotive qualified, USB Charging Port Solution capable of charging all of today's popular phones and tablets.

Download View video with transcript Video

Similar products you might be interested in

open-in-new Compare alternates
Similar functionality to the compared device
TPS2557-Q1 ACTIVE Automotive 0.5-5A adjustable ILIMIT, 2.5-6.5V, 22mΩ USB power switch, active-high This product offers similar functionality in a single channel with lower RDS(on).

Technical documentation

star =Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 3
Type Title Date
* Data sheet TPS2561A-Q1 Dual Channel Precision Automotive Adjustable Current-Limited Power Switches datasheet (Rev. A) PDF | HTML 03 Jun 2014
Certificate US-37138-UL Certificate of Compliance IEC 62368-1 12 Mar 2021
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018

Design & development

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

Evaluation board

TPS2561DRCEVM-424 — TPS2561DRCEVM-424: Evaluation Module for TPS2561

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 (...)

User guide: PDF
Not available on TI.com
Simulation model

TPS2561 Unencrypted PSpice Transient Model Package (Rev. A)

SLVM475A.ZIP (33 KB) - PSpice Model
Reference designs

TIDA-01388 — CISPR 25 Class 5 Rated Dual Automotive USB Charger Reference Design With Full Front End Protection

TIDA-01388 is a 21 W dual automotive USB charger solution featuring complete front end protection with small size. The system can clamp fast high-voltage electrical transients and maintain operation through these events. It can also properly respond to a reverse battery polarity event and shut down (...)
Design guide: PDF
Schematic: PDF
Package Pins Download
VSON (DRC) 10 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos