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TPS2412 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS2412 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 21 page www.ti.com FEATURES DESCRIPTION APPLICATIONS TPS2412 /13 NOTE:R isOptional (SET) A C TPS2412 TPS2413 SLVS728A – JANUARY 2007 – REVISED FEBRUARY 2007 N+1 and ORing Power Rail Controller • Control External FET for N+1 and ORing The TPS2412/13 controller, in conjunction with an • Wide Supply Voltage Range of 3 V to 16.5 V external N-channel MOSFET, emulates the function • Controls Buses From 0.8 V to 16.5 V of a low forward voltage diode. The TPS2412/13 can • Linear or On/Off Control Method be used to combine multiple power supplies to a common bus in an N+1 configuration, or to combine • Internal Charge Pump for N-Channel MOSFET redundant input power buses. The TPS2412 • Rapid Device Turnoff Protects Bus Integrity provides a linear turn-on control while the TPS2413 • Positive Gate Control on Hot Insertion has an on/off control method. • Soft Turn on Reduces Bus Transients Applications for the TPS2412/13 include a wide • Industrial Temperature Range: –40°C to 85°C range of systems including servers and telecom. These applications often have either N+1 redundant • Industry-Standard 8-pin TSSOP Package power supplies, redundant power buses, or both. Redundant power sources must have the equivalent of a diode OR to prevent reverse current during • N+1 Power Supplies faults and hotplug. A TPS2412/13 and N-channel • Server Blades MOSFET provide this function with less power loss than a schottky diode. • Telecom Systems • High Availability Systems Accurate voltage sensing and a programmable turn-off threshold allows operation to be tailored for a wide range of implementations and bus characteristics. The TPS2412/13 are lower pin count, feature reduced versions of the TPS2410/11. Table 1. Family Features Linear gate control √ √ ON/OFF gate control √ √ Adjustable turn-off threshold √ √ √ √ Fast comparator filtering √ √ Voltage monitoring √ √ Enable control √ √ Mosfet fault monitoring √ √ Status pin √ √ Figure 1. Typical Application Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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