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Interruptores de carga

TPS22953

ACTIVO

Interruptor de carga de 5.7 V, 5 A, 14 mΩ con tiempo de elevación ajustable, monitorización de tensi

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TPS22953

ACTIVO
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Detalles del producto

Product type Load switches Current limit type None Vin (max) (V) 5.7 Vin (min) (V) 0.7 Imax (A) 5 Rating Catalog Features Inrush current control, Power good signal, Reverse current blocking, Thermal shutdown, Under voltage lock out Number of channels 1 Quiescent current (Iq) (typ) (µA) 34 Shutdown current (ISD) (typ) (µA) 5 Soft start Adjustable Rise Time Ron (typ) (mΩ) 14 Operating temperature range (°C) -40 to 105
Product type Load switches Current limit type None Vin (max) (V) 5.7 Vin (min) (V) 0.7 Imax (A) 5 Rating Catalog Features Inrush current control, Power good signal, Reverse current blocking, Thermal shutdown, Under voltage lock out Number of channels 1 Quiescent current (Iq) (typ) (µA) 34 Shutdown current (ISD) (typ) (µA) 5 Soft start Adjustable Rise Time Ron (typ) (mΩ) 14 Operating temperature range (°C) -40 to 105
WSON (DSQ) 10 4 mm² (2 mm × 2 mm) WSON (DQC) 10 6 mm² (3 mm × 2 mm)
  • Integrated Single Channel Load Switch
  • Input Voltage Range: 0.7 V to 5.7 V
  • RON Resistance
    • RON = 14 mΩ at VIN = 5 V (VBIAS = 5 V)
  • 5-A Maximum Continuous Switch Current
  • Adjustable Undervoltage Lockout Threshold (UVLO)
  • Adjustable Voltage Supervisor with Power Good (PG) Indicator
  • Adjustable Output Slew Rate Control
  • Enhanced Quick Output Discharge Remains Active after Power is Removed (TPS22954 Only)
    • 15 Ω (Typ) Discharges 100 µF Within 10 ms
  • Reverse Current Blocking when Disabled (TPS22953 Only)
  • Automatic Restart after Supervisor Fault Detection When Enabled
  • Thermal Shutdown
  • Low Quiescent Current ≤ 50 µA
  • SON 10-pin Package with Thermal Pad
  • ESD Performance Tested Per JESD 22
    • 2-kV HBM and 750-V CDM
  • Integrated Single Channel Load Switch
  • Input Voltage Range: 0.7 V to 5.7 V
  • RON Resistance
    • RON = 14 mΩ at VIN = 5 V (VBIAS = 5 V)
  • 5-A Maximum Continuous Switch Current
  • Adjustable Undervoltage Lockout Threshold (UVLO)
  • Adjustable Voltage Supervisor with Power Good (PG) Indicator
  • Adjustable Output Slew Rate Control
  • Enhanced Quick Output Discharge Remains Active after Power is Removed (TPS22954 Only)
    • 15 Ω (Typ) Discharges 100 µF Within 10 ms
  • Reverse Current Blocking when Disabled (TPS22953 Only)
  • Automatic Restart after Supervisor Fault Detection When Enabled
  • Thermal Shutdown
  • Low Quiescent Current ≤ 50 µA
  • SON 10-pin Package with Thermal Pad
  • ESD Performance Tested Per JESD 22
    • 2-kV HBM and 750-V CDM

The TPS22953/54 are small, single channel load switches with controlled turn on. The devices contain a N-channel MOSFET that can operate over an input voltage range of 0.7 V to 5.7 V and can support a maximum continuous current of 5 A.

The integrated adjustable undervoltage lockout (UVLO) and adjustable power good (PG) threshold provides voltage monitoring as well as robust power sequencing. The adjustable rise time control of the device greatly reduces inrush current for a wide variety of bulk load capacitances, thereby reducing or eliminating power supply droop. The switch is independently controlled by an on and off input (EN), which is capable of interfacing directly with low-voltage control signals. A 15-Ω on-chip load is integrated into the device for a quick discharge of the output when switch is disabled. The enhanced Quick Output Discharge (QOD) remains active for short time after power is removed from the device to finish discharging the output.

The TPS22953/54 are available in small, space-saving 10-SON packages with integrated thermal pad allowing for high power dissipation. The device is characterized for operation over the free-air temperature range of –40°C to +105°C.

The TPS22953/54 are small, single channel load switches with controlled turn on. The devices contain a N-channel MOSFET that can operate over an input voltage range of 0.7 V to 5.7 V and can support a maximum continuous current of 5 A.

The integrated adjustable undervoltage lockout (UVLO) and adjustable power good (PG) threshold provides voltage monitoring as well as robust power sequencing. The adjustable rise time control of the device greatly reduces inrush current for a wide variety of bulk load capacitances, thereby reducing or eliminating power supply droop. The switch is independently controlled by an on and off input (EN), which is capable of interfacing directly with low-voltage control signals. A 15-Ω on-chip load is integrated into the device for a quick discharge of the output when switch is disabled. The enhanced Quick Output Discharge (QOD) remains active for short time after power is removed from the device to finish discharging the output.

The TPS22953/54 are available in small, space-saving 10-SON packages with integrated thermal pad allowing for high power dissipation. The device is characterized for operation over the free-air temperature range of –40°C to +105°C.

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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 TPS2295x 5.7 V, 5 A, 14 mΩ On-Resistance Load Switch datasheet (Rev. D) PDF | HTML 16/09/2016
Libro electrónico 11 Ways to Protect Your Power Path 3/07/2019
Application brief Making the Switch to an Integrated Load Switch 11/06/2019
Nota sobre la aplicación Integrated Load Switches Versus Discrete MOSFETs (Rev. A) 6/05/2019
Nota sobre la aplicación Load Switch Thermal Considerations (Rev. A) 11/10/2018
Nota sobre la aplicación Basics of Load Switches (Rev. A) 5/09/2018
Nota sobre la aplicación Power Multiplexing Using Load Switches and eFuses (Rev. A) 20/06/2017
Nota sobre la aplicación Selecting a Load Switch to Replace a Discrete Solution 30/04/2017
Nota sobre la aplicación Timing of Load Switches 27/04/2017
Nota sobre la aplicación Reverse Current Protection in Load Switches 19/05/2016
Nota sobre la aplicación Quiescent Current vs Shutdown Current for Load Switch Power Consumption 30/03/2016
Artículo técnico When to use load switches in place of discrete MOSFETs PDF | HTML 3/02/2016
Nota sobre la aplicación Managing Inrush Current (Rev. A) 28/05/2015

Diseño y desarrollo

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Placa de evaluación

TPS22953EVM — Módulo de evaluación de interruptor de carga con resistencia de encendido de 16 mΩ, de 5.7 V TPS2295

The TPS22953 device is a single channel low RON load switch with an operating voltage range of 0.7 V to 5.7 V. Both package versions DSQ (0.4mm pin pitch) and DQC (0.5mm pin pitch) of the TPS22953 are available on the TPS22953EVM for evaluation. The TPS22953 integrates a voltage supervisor which (...)

Guía del usuario: PDF
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Modelo de simulación

TPS22953 TINA-TI Reference Design (Rev. A)

SLVMAT4A.TSC (182 KB) - Diseño de referencia TINA-TI
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Modelo de simulación

TPS22953 TINA-TI Transient Spice Model (Rev. A)

SLVMAT5A.ZIP (28 KB) - Modelo TINA-TI Spice
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Modelo de simulación

TPS22953 Unencrypted PSpice Transient Model Package (Rev. B)

SLVMAS6B.ZIP (54 KB) - Modelo PSpice
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Encapsulado Pines Símbolos CAD, huellas y modelos 3D
WSON (DSQ) 10 Ultra Librarian
WSON (DQC) 10 Ultra Librarian
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