TPS25944A

Product Folder Order Now Technical Documents Tools & Software Support & Community TPS25942A, TPS25942L, TPS25944A, TPS25944L SLVSCE9D – JUNE 2014 – REVISED OCTOBER 2017 TPS25942x/44x 2.7 V-18 V, 5-A eFuse Power MUX With Multiple Protection Modes 1 Features 1 2.7 V to 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 Operating IQ (Typical) 15-µA Disabled IQ (Typical) ±2% Overvoltage, Undervoltage Thresholds Reverse Current Blocking 1-µs Reverse Voltage Shutoff Programmable dVo/dt Control Power Good and Fault Outputs Two Overcurrent Fault Response Options – TPS25942: I(LIMIT) with Thermal Shutdown – TPS25944: 4 ms Fault Timer then Shutoff –40°C to +125°C Junction Temperature Range UL 2367 Recognized – File No. 169910 – RILIM ≥ 20 kΩ (4.81 A Maximum) UL60950 Safe during Single Point Failure – Open-Short ILIM detection 2 Applications Power Path Management Redundant Power Supply Systems PCIe 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 3 Description 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 devi...