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TPS2561-Q1

ACTIVO

Interruptor automotriz de alimentación USB de 44 mΩ, ILIMIT ajustable de 0.25-2.8 A Interruptor de a

Detalles del producto

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 7.5% (2590mA min / 3005mA max) 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 7.5% (2590mA min / 3005mA max) Enable Active High
VSON (DRC) 10 9 mm² (3 mm × 3 mm)
  • Qualified for Automotive Applications
  • Two Separate Current Limiting Channels
  • Meets USB Current-Limiting Requirements
  • Adjustable Current Limit, 250 mA–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 or 8 kV System-Level ESD Capable
  • UL Listed – File No. E169910
  • CB and Nemko Certified

  • Qualified for Automotive Applications
  • Two Separate Current Limiting Channels
  • Meets USB Current-Limiting Requirements
  • Adjustable Current Limit, 250 mA–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 or 8 kV System-Level ESD Capable
  • UL Listed – File No. E169910
  • CB and Nemko Certified

The TPS2561-Q1 is a dual-channel power-distribution switch 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 or off.

Each channel of the TPS2561-Q1 device 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.

The TPS2561-Q1 is a dual-channel power-distribution switch 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 or off.

Each channel of the TPS2561-Q1 device 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.

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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos Dual Channel Precision Adjustable Current-Limited Power Switch datasheet (Rev. A) 3/08/2012
Certificado US-37138-UL Certificate of Compliance IEC 62368-1 12/03/2021
Artículo técnico Designing USB into challenging automotive applications PDF | HTML 4/04/2018

Diseño y desarrollo

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Placa de evaluación

TPS2561DRCEVM-424 — TPS2561DRCEVM-424: Módulo de evaluación para 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 (...)

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