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TPS22971

ACTIVO

Interruptor de carga de 3.6 V, 3 A, 6.7 mΩ, con tiempo de elevación ajustable, buena potencia y desc

Detalles del producto

Number of channels 1 Vin (min) (V) 0.65 Vin (max) (V) 3.6 Imax (A) 3 Ron (typ) (mΩ) 6.7 Shutdown current (ISD) (typ) (µA) 1.1 Quiescent current (Iq) (typ) (µA) 30 Soft start Adjustable Rise Time Current limit type None Features Power good signal, Quick output discharge, Thermal shutdown Rating Catalog Operating temperature range (°C) -40 to 85 FET Internal Device type Load switches Function Inrush current control, Power good signal
Number of channels 1 Vin (min) (V) 0.65 Vin (max) (V) 3.6 Imax (A) 3 Ron (typ) (mΩ) 6.7 Shutdown current (ISD) (typ) (µA) 1.1 Quiescent current (Iq) (typ) (µA) 30 Soft start Adjustable Rise Time Current limit type None Features Power good signal, Quick output discharge, Thermal shutdown Rating Catalog Operating temperature range (°C) -40 to 85 FET Internal Device type Load switches Function Inrush current control, Power good signal
DSBGA (YZP) 8 2.8125 mm² 2.25 x 1.25
  • Input voltage range (VIN): 0.65 V to 3.6 V
  • On-resistance
    • RDS(on) = 6.7 mΩ (typical) at VIN ≥ 1.8 V
    • RDS(on) = 7.2 mΩ (typical) at VIN = 1.05 V
    • RDS(on) = 8.9 mΩ (typical) at VIN = 0.65 V
  • Maximum continuous switch current (IMAX): 3 A
  • ON state (IQ): 30 µA (typical) at 3.6 VIN
  • OFF state (ISD): 1 µA (typical) at 3.6 VIN
  • Adjustable slew rate through CT pin
    • Fast turn-ON ≤ 65 µs at VIN = 1 V
  • Power good (PG) indicator after switch turn ON
  • Low threshold enable (ON) of 0.9 V (VIH) supports use of low voltage control logic
  • Thermal shutdown (TSD)
  • Quick output discharge (QOD): 150-Ω (typical)
  • Input voltage range (VIN): 0.65 V to 3.6 V
  • On-resistance
    • RDS(on) = 6.7 mΩ (typical) at VIN ≥ 1.8 V
    • RDS(on) = 7.2 mΩ (typical) at VIN = 1.05 V
    • RDS(on) = 8.9 mΩ (typical) at VIN = 0.65 V
  • Maximum continuous switch current (IMAX): 3 A
  • ON state (IQ): 30 µA (typical) at 3.6 VIN
  • OFF state (ISD): 1 µA (typical) at 3.6 VIN
  • Adjustable slew rate through CT pin
    • Fast turn-ON ≤ 65 µs at VIN = 1 V
  • Power good (PG) indicator after switch turn ON
  • Low threshold enable (ON) of 0.9 V (VIH) supports use of low voltage control logic
  • Thermal shutdown (TSD)
  • Quick output discharge (QOD): 150-Ω (typical)

The TPS22971 is a space-saving single-channel load switch with controlled and adjustable turn-on slew rate and an integrated power good indicator. the device contains an n-channel mosfet that can operate over a low input voltage range of 0.65 v to 3.6 V and can support a maximum continuous current of 3 A. A low on-resistance of 6.7-mΩ minimizes the power loss and voltage drop across the load switch. The switch is controlled by an on and off input (ON), which is capable of interfacing directly with low-voltage control signals.

By default, the TPS22971 has a fast turn-on time to minimize system startup and wait time. The adjustable slew rate can also be reduced to limit inrush current. A power good (PG) signal internally monitors the gate threshold and indicates when the switch is fully on. When the switch is disabled, a 150-Ω on-chip resistor quickly discharges the output to ground and keeps it from floating.

The TPS22971 is available in an ultra-small, space saving 8-pin WCSP package and is characterized for operation over the free-air temperature range of –40°C to 105°C and integrates thermal shutdown to turn off in case of overheating.

The TPS22971 is a space-saving single-channel load switch with controlled and adjustable turn-on slew rate and an integrated power good indicator. the device contains an n-channel mosfet that can operate over a low input voltage range of 0.65 v to 3.6 V and can support a maximum continuous current of 3 A. A low on-resistance of 6.7-mΩ minimizes the power loss and voltage drop across the load switch. The switch is controlled by an on and off input (ON), which is capable of interfacing directly with low-voltage control signals.

By default, the TPS22971 has a fast turn-on time to minimize system startup and wait time. The adjustable slew rate can also be reduced to limit inrush current. A power good (PG) signal internally monitors the gate threshold and indicates when the switch is fully on. When the switch is disabled, a 150-Ω on-chip resistor quickly discharges the output to ground and keeps it from floating.

The TPS22971 is available in an ultra-small, space saving 8-pin WCSP package and is characterized for operation over the free-air temperature range of –40°C to 105°C and integrates thermal shutdown to turn off in case of overheating.

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Documentación técnica

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* Data sheet TPS22971 3.6-V, 3-A, 6.7-mΩ On-Resistance Load Switch with Adjustable Fast Turn-ON and Power Good datasheet (Rev. C) PDF | HTML 17 feb 2020
Application note Basics of Power Switches (Rev. A) PDF | HTML 26 abr 2019
Application note Load Switch Thermal Considerations (Rev. A) 11 oct 2018
Application note Basics of Load Switches (Rev. A) 05 sep 2018
Application note Selecting a Load Switch to Replace a Discrete Solution 30 abr 2017
Application note Timing of Load Switches 27 abr 2017
EVM User's guide TPS22971 Load Switch Evaluation Module User's Guide 12 abr 2017
Application note Fundamentals of On-Resistance in Load Switches 09 jun 2016
Application note Quiescent Current vs Shutdown Current for Load Switch Power Consumption 30 mar 2016
Application note Managing Inrush Current (Rev. A) 28 may 2015

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

TPS22971EVM — Módulo de evaluación de interruptor de carga con resistencia de encendido de 7.5 mΩ, de 3.6 V, 3 A T

The TPS22971 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS22971 load switch. The TPS22971EVM allows the user to apply different input voltages (0.65-V to 3.6-V) under different loading conditions (0-A to 3-A) to the TPS22971. Output, input, and switching (...)
Guía del usuario: PDF
Modelo de simulación

TPS22971 Unencrypted PSpice Transient Model Package (Rev. A)

SLVMC61A.ZIP (68 KB) - PSpice Model
Herramienta de simulación

PSPICE-FOR-TI — PSpice® para herramienta de diseño y simulación de TI

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Paquete Pasadores Descargar
DSBGA (YZP) 8 Ver opciones

Pedidos y calidad

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  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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