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IC PWR MGMT EFUSE 2.7-18V 20WQFN
·2.7 V-18 V Operating Voltage,20 V(Max)
· 42 m2 Row (Typical)) ·0.6A to 5.3 AAdjustable Current Limit (±8%)
·IMON Current Indicator Output (±8%)
·200 μA Operating lo（Typical）
· 15 μA Disabled lo （Typical）
·±2% Overvoltage, Undervoltage Thresholds
. Reverse Current Blocking
· 1 μs Reverse Voltage Shutoff
· Programmable dVJ/dt Control
· Power Good and Fault Outputs
·Two Overcurrent Fault Response Options
- TPS25942: lauMn with Thermal Shutdown
- TPS25944:4 ms Fault Timer then Shutoff
-40℃ to 125℃ Junction Temperature Range UL 2367 Recognized
-File No. 169910 - RM ≥ 20 kΩ （4.81A max） ，
UL60950 Safe during Single Point Failure
-Open/Short LIM detection
· Power Path Management
· Redundant Power Supply Systems
· PCle cards, NICs and RAID Systems
· USB Power Banks,Power MUXes
· SSDs and HDDs
·Tablets and Notebooks
· Adapter Power Devices
· PLCs,SS Relays and Fan Control
The TPS25942. TPS25944 eFuse Power MUX is a compact, feature rich power management device with a full suite of protection functions. 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 power muxing and systems with multiple power sources.
Load, source and device protection are provided with many programmable features. Thresholds for undervoltage,overvoltage,overcurrent,dVJ/dt ramp rate, power good, and in-rush current protection are all programmable to suit specific system requirements. For system status monitoring and downstream load control, the device provides PGOOD,FLT and precise current monitor output.
The TPS25942.TPS25944 monitor Va) and Voun to provide true reverse blocking from output when Va<(oun-10 mV). The device can be configured'to assign Main/Auxiliary supply priority using the FL and DMODE pins.
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