TPS25940LRVCR

Features


·2.7 V-18 V Operating Voltage,20 V (Max)· 42 mΩ Ry （Typical）


·0.6A to 5.3 A Adjustable Current Limit(±8%)

· IMON Current Indicator Output (±8%)

· 200 uA Operating l(Typical)

· 95 μA DevSleep Mode lo （Typical）

·15 uA Disabled lo(Typical)
· ±2% Overvoltage, Undervoltage Threshold 

· Reverse Current Blocking 

·1 us Reverse Voltage Shutoff · Programmable dV,dt Control 

· Power Good and Fault Outputs


· -40℃ to 125℃ Junction Temperature Range 

· UL 2367 Recognized

   
- File No.169910

   
- RILM ≥ 20 kΩ （4.81 A max）


· UL60950  -Safe during Single Point Failure Test 

   - Open/Short ILIM detection

Applications


· PCle/SATA/SAS HDD and SSD Drives 

· Enterprise and Micro Servers 

· Smart Load Switch


· Set-Top-Box(STB),DTVs and Game Consoles 

· RAID Cards- Holdup Power Management 

. Telecom Switches and Routers 

·Adapter Powered Devices

 Description


The TPS25940 eFuse Power Switch is a compact. feature rich power management device with a full suite of protection functions, including a low power DevSleepmM mode that supports compliance with the SATAm Device Sleep standard. The wide operating range allows control of many popular DC bus voltages. Integrated back to back FETs provide bidirectional current control making the device well suited for systems with load side holdup energy that must not drain back to a failed supply bus.


Load, source and device protection are provided with many programmable features incuding overcurrent, dV,/dt ramp and overvoltage, undervoltage thresholds. For system status monitoring and downstream load control, the device provides PGOOD. FLT and precise current monitor output. Precise programmable undervoltage,overvoltage thresholds and the low lDevSleep mode simplify SSD power management design.


The TPS25940 monitors Vaw and Voun to provide true reverse current blocking when VaM)<(Voun-10 mV). This function supports swift changeover to a boosted voltage energy storage element in systems where backup voltage is greater than bus voltage.

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