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Gestión de la energía
Conmutadores de potencia
Multiplexores de potencia

TPS2124

ACTIVO

Multiplexor de potencia prioritaria de 2.8 V a 22 V, con conmutación sin problemas

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TPS2124

ACTIVO
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Detalles del producto

Number of input channels 2 IN1, IN2 input voltage (min) (V) 2.8 IN1, IN2 input voltage (max) (V) 22 IN1 rDS(on) (typ) (mΩ) 62 IN2 rDS(on) (typ) (mΩ) 62 IN1 output current (max) (A) 2 IN2 output current (max) (A) 2 Rating Catalog Quiescent current (Iq) (µA) 300 Operating temperature range (°C) -40 to 125 FET Internal Imax (A) 2 Features Adjustable current limit, Inrush current control, Overvoltage protection, Power good, Reverse current blocking, Short circuit protection, Thermal shutdown Device type Power muxes Function Adjustable current limit, Inrush current control, Overvoltage protection, Power good signal, Reverse current blocking, Short circuit protection, Thermal shutdown
Number of input channels 2 IN1, IN2 input voltage (min) (V) 2.8 IN1, IN2 input voltage (max) (V) 22 IN1 rDS(on) (typ) (mΩ) 62 IN2 rDS(on) (typ) (mΩ) 62 IN1 output current (max) (A) 2 IN2 output current (max) (A) 2 Rating Catalog Quiescent current (Iq) (µA) 300 Operating temperature range (°C) -40 to 125 FET Internal Imax (A) 2 Features Adjustable current limit, Inrush current control, Overvoltage protection, Power good, Reverse current blocking, Short circuit protection, Thermal shutdown Device type Power muxes Function Adjustable current limit, Inrush current control, Overvoltage protection, Power good signal, Reverse current blocking, Short circuit protection, Thermal shutdown
DSBGA (YFP) 20 3.96 mm² 1.8 x 2.2
  • Wide operating range: 2.8 V to 22 V
    • Absolute maximum input voltage of 24 V
  • Low RON resistance:
    • TPS2124: 62 mΩ (typical)
  • Adjustable over-voltage supervisor (OVx):
    • Accuracy < ±5%
  • Adjustable priority supervisor (PR1):
    • Accuracy < ±5%
  • Output current limit (ILM):
    • TPS2124: 1 A – 2.5 A
  • Channel status indication (ST)
  • Adjustable input settling time (SS)
  • Adjustable output soft start time (SS)
  • Low IQ from enabled input: 200 µA (typical)
  • Low IQ from disabled input: 15 µA (Typical)
  • Manual input source selection (OVx)
  • Over-temperature protection (OTP)
  • Wide operating range: 2.8 V to 22 V
    • Absolute maximum input voltage of 24 V
  • Low RON resistance:
    • TPS2124: 62 mΩ (typical)
  • Adjustable over-voltage supervisor (OVx):
    • Accuracy < ±5%
  • Adjustable priority supervisor (PR1):
    • Accuracy < ±5%
  • Output current limit (ILM):
    • TPS2124: 1 A – 2.5 A
  • Channel status indication (ST)
  • Adjustable input settling time (SS)
  • Adjustable output soft start time (SS)
  • Low IQ from enabled input: 200 µA (typical)
  • Low IQ from disabled input: 15 µA (Typical)
  • Manual input source selection (OVx)
  • Over-temperature protection (OTP)

The TPS2124 device is a Dual-Input, Single-Output (DISO) Power Multiplexer (MUX) that is well suited for a variety of systems having multiple power sources.  The device will Automatically Detect, Select, and Seamlessly Transition between available inputs.

 Priority can be automatically given to the highest input voltage or manually assigned to a lower voltage input to support both ORing and Source Selection operations. A priority voltage supervisor is used to select an input source.

 An Ideal Diode operation is used to seamlessly transition between input sources.  During switchover, the voltage drop is controlled to block reverse current before it happens and provide uninterrupted power to the load with minimal hold-up capacitance.

Current limiting is used during startup and switchover to protect against overcurrent events, and also protects the device during normal operation.  The output current limit can be adjusted with a single external resistor.

 The TPS2124 device is available in a WCSP package characterized for operation for a temperature range of –40°C to 125°C.

The TPS2124 device is a Dual-Input, Single-Output (DISO) Power Multiplexer (MUX) that is well suited for a variety of systems having multiple power sources.  The device will Automatically Detect, Select, and Seamlessly Transition between available inputs.

 Priority can be automatically given to the highest input voltage or manually assigned to a lower voltage input to support both ORing and Source Selection operations. A priority voltage supervisor is used to select an input source.

 An Ideal Diode operation is used to seamlessly transition between input sources.  During switchover, the voltage drop is controlled to block reverse current before it happens and provide uninterrupted power to the load with minimal hold-up capacitance.

Current limiting is used during startup and switchover to protect against overcurrent events, and also protects the device during normal operation.  The output current limit can be adjusted with a single external resistor.

 The TPS2124 device is available in a WCSP package characterized for operation for a temperature range of –40°C to 125°C.
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TPS2116 ACTIVO Multiplexor de potencia prioritaria de 1.6 V a 5.5 V, 40 mΩ, 2.5 A, baja IQ Optimized for 1.6-V - 5.5-V low power ORing applications. Offers lower IQ and shutdown current.

Documentación técnica

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* Data sheet TPS2124 2.8-V to 22-V Priority Power MUX with Seamless Switchover datasheet PDF | HTML 27 ene 2020
EVM User's guide TPS2124 Evaluation Module PDF | HTML 08 abr 2020

Diseño y desarrollo

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Placa de evaluación

TPS2124EVM-126 — Módulo de evaluación TPS2124 para aplicaciones de multiplexor de potencia prioritaria

The TPS2124 EVM is an evaluation module for TI's TPS2124 two-input, one-output power multiplexer. This device automatically detects, selects, and seamlessly transitions between two power supplies, each operating from 2.7 V to 22 V. The TPS2124 device, WCSP package, can deliver up to 2 A to a (...)

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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 (...)
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  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
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