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Home > Embedded ICs > Embedded - Microcontroller Unit (MCU) > TPS25944LRVCR
Texas Instruments

TPS25944LRVCR

TPS25944LRVCR

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TPS25944LRVCR Overview

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Description

The TPS25942, TPS25944 eFuse Power MUX is a compact, featurerich power management device with a full suite of protection functions. The wide operating rangeallows control of many popular DC bus voltages. Integrated back-to-back FETs provide bidirectionalcurrent control making the device well suited for power muxing and systems with multiple powersources.

Load, source and device protection are provided with many programmable features.Thresholds for undervoltage, overvoltage, overcurrent, dVo/dt ramp rate,power good, and in-rush current protection are all programmable to suit specific systemrequirements. For system status monitoring and downstream load control, the device provides PGOOD,FLT and DMODEpins.

Features

  • 2.7 Vto 18 V Operating Voltage, 20 V (Maximum)
  • 42-mΩ RON(Typical)
  • 0.6 A to 5.3 A Adjustable Current Limit (±8%)
  • IMON Current Indicator Output (±8%)
  • 200-μA OperatingIQ (Typical)
  • 15-μA Disabled IQ(Typical)
  • ±2% Overvoltage, Undervoltage Thresholds
  • ReverseCurrent Blocking
  • 1-μs Reverse Voltage Shutoff
  • ProgrammabledVo/dt Control
  • Power Good and FaultOutputs
  • Two Overcurrent Fault Response Options
    • TPS25942:I(LIMIT) with Thermal Shutdown
    • TPS25944: 4 ms FaultTimer then Shutoff
  • –40°C to +125°C JunctionTemperature Range
  • UL 2367 Recognized
    • File No.169910
    • RILIM≥ 20 kΩ (4.81 AMaximum)
  • UL60950 Safe during Single PointFailure
    • Open-Short ILIMdetection

Specifications

Circuit Diagram

TPS25944LRVCR

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