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Product details

Parameters

Vin (Min) (V) 0.8 Vabsmin (Min) (V) -0.3 Vin (Max) (V) 16.5 Vabsmax (Max) (V) 18 Iq (Typ) (mA) 1.2 Iq (Max) (mA) 7 IGate source (Typ) (uA) 292 IGate source (Max) (uA) 350 IGate sink (Typ) (mA) 5 IGate pulsed (Typ) (A) 2.35 Features Linear Control Operating temperature range (C) -40 to 85 Approx. price (US$) 1.06 | 1ku IReverse (Typ) (uA) VSense reverse (Typ) (mV) Adjustable Design support EVM, Reference Design Rating Catalog Channel(s) controlled (#) 1 VGS (Max) (V) 11.5 FET External open-in-new Find other Ideal diode/ORing controllers

Package | Pins | Size

SOIC (D) 8 19 mm² 3.91 x 4.9 TSSOP (PW) 8 19 mm² 3 x 6.4 open-in-new Find other Ideal diode/ORing controllers

Features

  • Control External FET for N+1 and ORing
  • Wide Supply Voltage Range of 3 V to 16.5 V
  • Controls Buses From 0.8 V to 16.5 V
  • Linear or On/Off Control Method
  • Internal Charge Pump for N-Channel MOSFET
  • Rapid Device Turnoff Protects Bus Integrity
  • Positive Gate Control on Hot Insertion
  • Soft Turnon Reduces Bus Transients
  • Industrial Temperature Range: –40°C to 85°C
  • 8-Pin TSSOP and SOIC Packages

All trademarks are the property of their respective owners.

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Description

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.

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Technical documentation

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Type Title Date
* Datasheet TPS241x N+1 and ORing Power Rail Controller datasheet (Rev. D) Oct. 09, 2019
More literature 11 Ways to Protect Your Power Path white paper Jul. 03, 2019
Application notes Basics of Ideal Diodes May 09, 2019
Application notes Basics of Power Switches (Rev. A) Apr. 26, 2019
Technical articles How can a load switch extend your device’s battery life? Mar. 20, 2018
Technical articles How and why you should use load switches for power sequencing Feb. 06, 2018
Technical articles How to use load switches and eFuses in your set-top box design Nov. 23, 2017
Technical articles Don’t leave it floating! Power off your outputs with quick output discharge Dec. 09, 2016
Application notes Current Sharing in Redundant Systems Jan. 08, 2010
User guides TPS2411EVM and TPS2413EVM User's Guide Jan. 02, 2007

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$49.00
Description

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.

Features

The 5 V supply is jumper selected to power VDD on the TPS2412s and the glitch circuit if the control voltage is less than 3.0 V. The Glitch maker, discussed in the test methods section of the User's Guide, applies a 1 ohm load to the input supply for 1 ms. This disruption allows (...)

EVALUATION BOARDS Download
document-generic User guide
$49.00
Description

The TPS2413EVM is an evaluation module set up to wire-OR two power supplies for redundant power to a load using two TPS2413s and MOSFETs.

Features

The 5 V supply is jumper selected to power VDD on the TPS2413s and the glitch circuit if the control voltage is less than 3 V. The Glitch maker, discussed in the test methods section of the User’s Guide, applies a 1 ohm load to the input supply for 1 ms. This disruption (...)

CAD/CAE symbols

Package Pins Download
SOIC (D) 8 View options
TSSOP (PW) 8 View options

Ordering & quality

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