The TPS2412/13 controller, in conjunction with an external N-channel MOSFET, emulates the function of a low forward voltage diode. The TPS2412/13 can be used to combine multiple power supplies to a common bus in an N+1 configuration, or to combine redundant input power buses. The TPS2412 provides a linear turnon control while the TPS2413 has an on/off control method.
Applications for the TPS2412/13 include a wide range of systems including servers and telecom. These applications often have either N+1 redundant power supplies, redundant power buses, or both. Redundant power sources must have the equivalent of a diode OR to prevent reverse current during faults and hotplug. A TPS2412/13 and N-channel MOSFET provide this function with less power loss than a schottky diode.
Accurate voltage sensing and a programmable turnoff threshold allows operation to be tailored for a wide range of implementations and bus characteristics. The TPS2412/13 are lower pin count, reduced feature versions of the TPS2410/11.
| Typ | Titel | Datum | ||
|---|---|---|---|---|
| * | Data sheet | TPS241x N+1 and ORing Power Rail Controller datasheet (Rev. D) | PDF | HTML | 09 Okt 2019 |
| Application note | Basics of Ideal Diodes (Rev. B) | PDF | HTML | 05 Okt 2021 | |
| E-book | 11 Ways to Protect Your Power Path | 03 Jul 2019 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 25 Jun 2018 | ||
| User guide | TPS2411EVM and TPS2413EVM User's Guide | 02 Jan 2007 |
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The TPS2412EVM is an evaluation module set up to wire-OR two power supplies for redundant power to a load using two TPS2412s and MOSFETs.
| Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
|---|---|---|
| SOIC (D) | 8 | Ultra Librarian |
| TSSOP (PW) | 8 | Ultra Librarian |
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