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TPS25944LRVCT Datasheet(PDF) 1 Page - Texas Instruments |
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TPS25944LRVCT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 54 page C = 150 F, R = 4 OUT L m W TPS25942x TPS25944x IN OUT EN/UVLO OVP DMODE dVdT GND FLT PGOOD PGTH IMON ILIM To Load 2.7 to 18 V RTOTAL = 42 m: V(IN) Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS25942A, TPS25942L, TPS25944A, TPS25944L SLVSCE9A – JUNE 2014 – REVISED MARCH 2015 TPS25942x/44x 2.7V-18V, 5A eFuse Power MUX with Multiple Protection Modes 1 Features 3 Description The TPS25942, TPS25944 eFuse Power MUX is a 1 • 2.7 V – 18 V Operating Voltage, 20 V (Max) compact, feature rich power management device with • 42 m Ω RON (Typical) a full suite of protection functions. The wide operating • 0.6 A to 5.3 A Adjustable Current Limit (±8%) range allows control of many popular DC bus voltages. Integrated back-to-back FETs provide • IMON Current Indicator Output (±8%) bidirectional current control making the device well • 200 µA Operating IQ (Typical) suited for power muxing and systems with multiple • 15 µA Disabled IQ (Typical) power sources. • ±2% Overvoltage, Undervoltage Thresholds Load, source and device protection are provided with • Reverse Current Blocking many programmable features. Thresholds for undervoltage, overvoltage, overcurrent, dVo/dt ramp • 1 µs Reverse Voltage Shutoff rate, power good, and in-rush current protection are • Programmable dVo/dt Control all programmable to suit specific system • Power Good and Fault Outputs requirements. For system status monitoring and • Two Overcurrent Fault Response Options downstream load control, the device provides PGOOD, FLT and precise current monitor output. – TPS25942: I(LIMIT) with Thermal Shutdown The TPS25942, TPS25944 monitor V(IN) and V(OUT) to – TPS25944: 4 ms Fault Timer then Shutoff provide true reverse blocking from output when V(IN) < • -40°C to 125°C Junction Temperature Range (V(OUT) - 10 mV). The device can be configured to • UL 2367 Recognized assign Main/Auxiliary supply priority using the FLT – File No. 169910 and DMODE pins. – RILIM ≥ 20 kΩ (4.81 A max) Device Information(1) • UL60950 Safe during Single Point Failure PART NUMBER(2) PACKAGE BODY SIZE (NOM) – Open/Short ILIM detection TPS25942L TPS25942A WQFN (20) 3.00 mm x 4.00 mm 2 Applications TPS25944L • Power Path Management TPS25944A • Redundant Power Supply Systems (1) For all available packages, see the orderable addendum at the end of the datasheet • PCIe cards, NICs and RAID Systems (2) TPS2594xL = Latched, TPS2594xA = Auto Retry • USB Power Banks, Power MUXes • SSDs and HDDs • Tablets and Notebooks • Adapter Power Devices • PLCs, SS Relays and Fan Control 4 Simplified Schematic Failover of V(MAIN) = 12 V to V(AUX) = 12.3 V Using Diode Mode Control 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA. |
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