TPS2556

ACTIVO

Interruptor de potencia USB de 22 mΩ y 2.5 V a 6.5 V con ILIMIT ajustable de 0.5 A a 5 A activa-b

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Hoja de datos

document-pdfAcrobat TPS255x Precision Adjustable Current-Limited Power-Distribution Switches datasheet (Rev. B) (Inglés) PDF | HTML

TPS2556

ACTIVO

Hoja de datos

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Detalles del producto

Product type

Adjustable current limit, Power switch

Vin (max) (V)

6.5

Vin (min) (V)

2.5

Rating

Catalog

Number of channels

1

Operating temperature range (°C)

-40 to 125

Current limit accuracy at 1 A

7.0% (4100mA min / 4715mA max)

Enable

Active Low

Product type

Adjustable current limit, Power switch

Vin (max) (V)

6.5

Vin (min) (V)

2.5

Rating

Catalog

Number of channels

1

Operating temperature range (°C)

-40 to 125

Current limit accuracy at 1 A

7.0% (4100mA min / 4715mA max)

Enable

Active Low

VSON (DRB)

8

9 mm² (3 mm × 3 mm)

Meets USB Current-Limiting Requirements
Adjustable Current Limit, 500 mA to 5 A (Typical)
±6.5% Current-Limit Accuracy at 4.5 A
Fast Overcurrent Response: 3.5-µs (Typical)
22-mΩ High-Side MOSFET
Operating Voltage: 2.5 V to 6.5 V
2-µA Maximum Standby Supply Current
Built-in Soft Start
15-kV and 8-kV System-Level ESD Capable
UL Listed: File No. E169910 and CB IEC60950-1-am2 ed2.0

Meets USB Current-Limiting Requirements
Adjustable Current Limit, 500 mA to 5 A (Typical)
±6.5% Current-Limit Accuracy at 4.5 A
Fast Overcurrent Response: 3.5-µs (Typical)
22-mΩ High-Side MOSFET
Operating Voltage: 2.5 V to 6.5 V
2-µA Maximum Standby Supply Current
Built-in Soft Start
15-kV and 8-kV System-Level ESD Capable
UL Listed: File No. E169910 and CB IEC60950-1-am2 ed2.0

The TPS255x power-distribution switch is 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 500 mA and 5 A (typical) through an external resistor. The power-switch rise and fall times are controlled to minimize current surges during turnon and turnoff.

TPS255x 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 FAULT logic output asserts low during overcurrent and overtemperature conditions.

The TPS255x power-distribution switch is 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 500 mA and 5 A (typical) through an external resistor. The power-switch rise and fall times are controlled to minimize current surges during turnon and turnoff.

TPS255x 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 FAULT logic output asserts low during overcurrent and overtemperature conditions.

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TPS2557

ACTIVO

Interruptor de potencia USB de 22 mΩ y 2.5 V a 6.5 V con ILIMIT ajustable de 0.5 A a 5 A activa-a This product offers the same functionality and pinout with enable active-high.

Documentación técnica

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Documentación principal	Tipo	Título	Opciones de formato	Fecha
*	Hoja de datos	TPS255x Precision Adjustable Current-Limited Power-Distribution Switches datasheet (Rev. B)	PDF \| HTML	1/12/2016
	Certificado	TPS2556, TPS2557 UL Certificate of Compliance IEC 62368-1 (Rev. A)		24/06/2024
	Guía de selección	Power Management Guide 2018 (Rev. R)		25/06/2018

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

TPS2556DRBEVM-423 — TPS2556DRBEVM-423: Módulo de evaluación para TPS2556

The TPS2556EVM-423 and TPS2557EVM-423 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 (...)

Guía del usuario: PDF

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