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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

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Data sheet

TPS2561A-Q1

ACTIVE
Data sheet Order now

Product details

Product type Adjustable current limit, Power switch Vin (max) (V) 6.5 Vin (min) (V) 2.5 Rating Automotive Number of channels 2 Operating temperature range (°C) -40 to 125 Current limit accuracy at 1 A 2.1A Min / 2.5A Max Setting (Including Resistor) Enable Active High
Product type Adjustable current limit, Power switch Vin (max) (V) 6.5 Vin (min) (V) 2.5 Rating Automotive Number of channels 2 Operating temperature range (°C) -40 to 125 Current limit accuracy at 1 A 2.1A Min / 2.5A Max Setting (Including Resistor) Enable Active High
VSON (DRC) 10 9 mm² (3 mm × 3 mm)
  • 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.
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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

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Top documentation Type Title Format options Date
* Data sheet TPS2561A-Q1 Dual Channel Precision Automotive Adjustable Current-Limited Power Switches datasheet (Rev. A) PDF | HTML Jun 3, 2014
Certificate US-37138-UL Certificate of Compliance IEC 62368-1 Mar 12, 2021
Selection guide Power Management Guide 2018 (Rev. R) Jun 25, 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
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Simulation model

TPS2561 Unencrypted PSpice Transient Model Package (Rev. A)

SLVM475A.ZIP (33 KB) - PSpice model
Supported products & hardware
Reference design

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 (...)
Supported products & hardware
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VSON (DRC) 10 Ultra Librarian
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