Synchronous Rectification Controller with Integrated Feedback and Protection

TEA176X Active

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The TEA1761T/TEA1762T is a member of the new generation of Synchronous Rectifier (SR) controller ICs for switched mode power supplies. Its high level of integration allows the design of a cost-effective power supply with a very low number of external components. The TEA1761T/TEA1762T is a controller IC dedicated for synchronous rectification on the secondary side of discontinuous conduction mode and quasi resonant flyback converters. Besides electronics for synchronous rectification, it also has integrated circuitry for output voltage and output current regulation. The TEA1761T/TEA1762T is fabricated in a Silicon On Insulator (SOI) process. This NXP SOI process makes possible a wide range of operation.

Block Diagram

TEA1761T / TEA1762T

TEA1761T Block Diagram
Get diagram PDF

Features

Key Features

  • Combined synchronous rectification and primary feedback control functionality
  • Wide supply voltage range (8.6 V to 38 V)
  • High level of integration, resulting in a very low external component count
  • Wide opto coupler output voltage range (3.5 V to 38 V)
  • Accurate internal voltage reference for voltage control (within 1 %)
  • Separate sense ground for accurate voltage sensing
  • High driver output voltage of 10 V to drive all MOSFET brands to the lowest RDSon
  • Reference voltage output pin
  • Low current consumption
  • High system efficiency from no load to full load
  • Undervoltage protection
  • General purpose protection input pin
  • Internal over-temperature protection

NXP GreenChip

  • This product is part of the NXP GreenChip portfolio, this program optimizes for energy efficiency in mobile and computing applications, specializing in high-power density, safety and reliability.

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N true 0 PSPTEA176Xen 9 Application Note Application Note t789 1 Data Sheet Data Sheet t520 2 Package Information Package Information t790 2 Packing Information Packing Information t935 1 Supporting Information Supporting Information t531 3 en_US en_US en Data Sheet Data Sheet 2 1 TEA1761T 1.0 English 1442067933119733071261 PSP 77.3 KB None None documents None 1442067933119733071261 /docs/en/data-sheet/TEA1761T.pdf 77324 /docs/en/data-sheet/TEA1761T.pdf TEA1761T documents N N 2016-04-04 GreenChip synchronous rectifier controller /docs/en/data-sheet/TEA1761T.pdf /docs/en/data-sheet/TEA1761T.pdf Data Sheet N 980000996212993340 2023-08-29 pdf N en Apr 25, 2007 980000996212993340 Data Sheet Y N GreenChip synchronous rectifier controller 2 TEA1762T 2.0 English 1442050551264717700249 PSP 84.2 KB None None documents None 1442050551264717700249 /docs/en/data-sheet/TEA1762T.pdf 84200 /docs/en/data-sheet/TEA1762T.pdf TEA1762T documents N N 2012-05-05 GreenChip synchronous rectifier controller /docs/en/data-sheet/TEA1762T.pdf /docs/en/data-sheet/TEA1762T.pdf Data Sheet N 980000996212993340 2023-08-29 pdf N en Apr 24, 2007 980000996212993340 Data Sheet Y N GreenChip synchronous rectifier controller Application Note Application Note 1 3 1.0 English 1442089489371729055276 PSP 104.0 KB None None documents None 1442089489371729055276 /docs/en/application-note/AN10580.pdf 104000 /docs/en/application-note/AN10580.pdf AN10580 documents N 2015-09-12 GreenChip TEA1761 synchronous rectification and feedback controller /docs/en/application-note/AN10580.pdf /docs/en/application-note/AN10580.pdf Application Note N 645036621402383989 2022-12-07 pdf en Mar 19, 2008 645036621402383989 Application Note Y N GreenChip TEA1761 synchronous rectification and feedback controller Package Information Package Information 2 4 1.1 English Outline and soldering footprint drawings of SO8 package 1455079789802691427607 PSP 175.4 KB None None documents None 1455079789802691427607 /docs/en/package-information/SOT96-1.pdf 175406 /docs/en/package-information/SOT96-1.pdf SOT96-1 documents N N 2016-10-08 Plastic, small outline package; 8 terminals; 1.27 mm pitch; 4.9 mm x 3.9 mm x 1.75 mm body /docs/en/package-information/SOT96-1.pdf /docs/en/package-information/SOT96-1.pdf Package Information N 302435339416912908 2024-10-24 pdf N en Jan 9, 2017 302435339416912908 Package Information Y N Plastic, small outline package; 8 terminals; 1.27 mm pitch; 4.9 mm x 3.9 mm x 1.75 mm body PDF 5 1.0 English 1455078692992716914488 PSP 117.4 KB None None documents None 1455078692992716914488 /docs/en/package-information/SOT108-1.pdf 117430 /docs/en/package-information/SOT108-1.pdf SOT108-1 documents N N 2016-10-08 plastic small outline package; 14 leads; body width 3.9 mm /docs/en/package-information/SOT108-1.pdf /docs/en/package-information/SOT108-1.pdf Package Information N 302435339416912908 2022-12-07 pdf N en Feb 8, 2016 302435339416912908 Package Information Y N plastic small outline package; 14 leads; body width 3.9 mm Packing Information Packing Information 1 6 2.0 English 1442131194585714093488 PSP 237.4 KB Registration without Disclaimer None documents Extended 1442131194585714093488 /secured/assets/documents/en/packing/SOT96-1_118.pdf 237384 /secured/assets/documents/en/packing/SOT96-1_118.pdf SOT96-1_118 documents Y N 2013-04-19 SO8; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 /webapp/Download?colCode=SOT96-1_118 /secured/assets/documents/en/packing/SOT96-1_118.pdf Packing Information N 145666923842250347 2024-03-13 pdf Y en Apr 19, 2013 145666923842250347 Packing Information Y N SO8; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 Supporting Information Supporting Information 3 7 3.0 English Wave Soldering temperature profile 1442126272902697845559 PSP 206.3 KB None None documents None 1442126272902697845559 /docs/en/supporting-information/Wave_Soldering_Profile.pdf 206338 /docs/en/supporting-information/Wave_Soldering_Profile.pdf WAVE_SOLDERING_PROFILE documents N N 2016-06-20 Wave Soldering Profile /docs/en/supporting-information/Wave_Soldering_Profile.pdf /docs/en/supporting-information/Wave_Soldering_Profile.pdf Supporting Information N 371282830530968666 2024-10-24 pdf N en Jul 1, 2016 371282830530968666 Supporting Information Y N Wave Soldering Profile 8 1.0 English Footprint for Wave Soldering 1442126382106720903168 PSP 8.3 KB None None documents None 1442126382106720903168 /docs/en/supporting-information/SO-SOJ-WAVE.pdf 8260 /docs/en/supporting-information/SO-SOJ-WAVE.pdf SO-SOJ-WAVE documents N N 2013-07-15 Footprint for Wave Soldering /docs/en/supporting-information/SO-SOJ-WAVE.pdf /docs/en/supporting-information/SO-SOJ-WAVE.pdf Supporting Information N 371282830530968666 2024-10-21 pdf N en Oct 8, 2009 371282830530968666 Supporting Information Y N Footprint for Wave Soldering 9 1.0 English Footprint for reflow soldering 1442122730480711091281 PSP 8.8 KB None None documents None 1442122730480711091281 /docs/en/supporting-information/SO-SOJ-REFLOW.pdf 8792 /docs/en/supporting-information/SO-SOJ-REFLOW.pdf SO-SOJ-REFLOW documents N N 2013-07-15 Footprint for reflow soldering /docs/en/supporting-information/SO-SOJ-REFLOW.pdf /docs/en/supporting-information/SO-SOJ-REFLOW.pdf Supporting Information N 371282830530968666 2024-10-21 pdf N en Oct 8, 2009 371282830530968666 Supporting Information Y N Footprint for reflow soldering true 0 TEA176X downloads en true 1 Y PSP Application Note 1 /docs/en/application-note/AN10580.pdf 2015-09-12 1442089489371729055276 PSP 3 Mar 19, 2008 Application Note None /docs/en/application-note/AN10580.pdf English documents 104000 None 645036621402383989 2022-12-07 /docs/en/application-note/AN10580.pdf GreenChip TEA1761 synchronous rectification and feedback controller /docs/en/application-note/AN10580.pdf documents 645036621402383989 Application Note N en None Y pdf 1.0 N GreenChip TEA1761 synchronous rectification and feedback controller 104.0 KB AN10580 N 1442089489371729055276 Data Sheet 2 /docs/en/data-sheet/TEA1761T.pdf 2016-04-04 1442067933119733071261 PSP 1 Apr 25, 2007 Data Sheet None /docs/en/data-sheet/TEA1761T.pdf English documents 77324 None 980000996212993340 2023-08-29 N /docs/en/data-sheet/TEA1761T.pdf GreenChip synchronous rectifier controller /docs/en/data-sheet/TEA1761T.pdf documents 980000996212993340 Data Sheet N en None Y pdf 1.0 N N GreenChip synchronous rectifier controller TEA1761T 77.3 KB TEA1761T N 1442067933119733071261 /docs/en/data-sheet/TEA1762T.pdf 2012-05-05 1442050551264717700249 PSP 2 Apr 24, 2007 Data Sheet None /docs/en/data-sheet/TEA1762T.pdf English documents 84200 None 980000996212993340 2023-08-29 N /docs/en/data-sheet/TEA1762T.pdf GreenChip synchronous rectifier controller /docs/en/data-sheet/TEA1762T.pdf documents 980000996212993340 Data Sheet N en None Y pdf 2.0 N N GreenChip synchronous rectifier controller TEA1762T 84.2 KB TEA1762T N 1442050551264717700249 Package Information 2 /docs/en/package-information/SOT96-1.pdf 2016-10-08 1455079789802691427607 PSP 4 Jan 9, 2017 Package Information Outline and soldering footprint drawings of SO8 package PDF None /docs/en/package-information/SOT96-1.pdf English documents 175406 None 302435339416912908 2024-10-24 N /docs/en/package-information/SOT96-1.pdf Plastic, small outline package; 8 terminals; 1.27 mm pitch; 4.9 mm x 3.9 mm x 1.75 mm body /docs/en/package-information/SOT96-1.pdf documents 302435339416912908 Package Information N en None Y pdf 1.1 N N Plastic, small outline package; 8 terminals; 1.27 mm pitch; 4.9 mm x 3.9 mm x 1.75 mm body 175.4 KB SOT96-1 N 1455079789802691427607 /docs/en/package-information/SOT108-1.pdf 2016-10-08 1455078692992716914488 PSP 5 Feb 8, 2016 Package Information None /docs/en/package-information/SOT108-1.pdf English documents 117430 None 302435339416912908 2022-12-07 N /docs/en/package-information/SOT108-1.pdf plastic small outline package; 14 leads; body width 3.9 mm /docs/en/package-information/SOT108-1.pdf documents 302435339416912908 Package Information N en None Y pdf 1.0 N N plastic small outline package; 14 leads; body width 3.9 mm 117.4 KB SOT108-1 N 1455078692992716914488 Packing Information 1 /secured/assets/documents/en/packing/SOT96-1_118.pdf 2013-04-19 1442131194585714093488 PSP 6 Apr 19, 2013 Packing Information Registration without Disclaimer /secured/assets/documents/en/packing/SOT96-1_118.pdf English documents 237384 None 145666923842250347 2024-03-13 Y /webapp/Download?colCode=SOT96-1_118 SO8; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 /secured/assets/documents/en/packing/SOT96-1_118.pdf documents 145666923842250347 Packing Information N en Extended Y pdf 2.0 Y N SO8; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 237.4 KB SOT96-1_118 N 1442131194585714093488 Supporting Information 3 /docs/en/supporting-information/Wave_Soldering_Profile.pdf 2016-06-20 1442126272902697845559 PSP 7 Jul 1, 2016 Supporting Information Wave Soldering temperature profile None /docs/en/supporting-information/Wave_Soldering_Profile.pdf English documents 206338 None 371282830530968666 2024-10-24 N /docs/en/supporting-information/Wave_Soldering_Profile.pdf Wave Soldering Profile /docs/en/supporting-information/Wave_Soldering_Profile.pdf documents 371282830530968666 Supporting Information N en None Y pdf 3.0 N N Wave Soldering Profile 206.3 KB WAVE_SOLDERING_PROFILE N 1442126272902697845559 /docs/en/supporting-information/SO-SOJ-WAVE.pdf 2013-07-15 1442126382106720903168 PSP 8 Oct 8, 2009 Supporting Information Footprint for Wave Soldering None /docs/en/supporting-information/SO-SOJ-WAVE.pdf English documents 8260 None 371282830530968666 2024-10-21 N /docs/en/supporting-information/SO-SOJ-WAVE.pdf Footprint for Wave Soldering /docs/en/supporting-information/SO-SOJ-WAVE.pdf documents 371282830530968666 Supporting Information N en None Y pdf 1.0 N N Footprint for Wave Soldering 8.3 KB SO-SOJ-WAVE N 1442126382106720903168 /docs/en/supporting-information/SO-SOJ-REFLOW.pdf 2013-07-15 1442122730480711091281 PSP 9 Oct 8, 2009 Supporting Information Footprint for reflow soldering None /docs/en/supporting-information/SO-SOJ-REFLOW.pdf English documents 8792 None 371282830530968666 2024-10-21 N /docs/en/supporting-information/SO-SOJ-REFLOW.pdf Footprint for reflow soldering /docs/en/supporting-information/SO-SOJ-REFLOW.pdf documents 371282830530968666 Supporting Information N en None Y pdf 1.0 N N Footprint for reflow soldering 8.8 KB SO-SOJ-REFLOW N 1442122730480711091281 true Y Products

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Application Note (1)
Data Sheet (2)
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Supporting Information (3)

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