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Dual Synchronous Rectification Controller Suitable for Both High-Side and Low-Side Control
The TEA1795T is a member of the new generation of Synchronous Rectifier (SR) controller ICs for switched mode power supplies. Its high level of integration enables the design of a cost-effective power supply with a minimum number of external components. The TEA1795T is a dedicated controller IC for synchronous rectification on the secondary side of resonant converters. It has two driver stages for driving the SR MOSFETs, which are rectifying the outputs of the central tap secondary transformer windings. The two gate driver stages have their own sensing inputs and operate independently of each other. The TEA1795T is fabricated in a Silicon On Insulator (SOI) process.
Product Details
Block Diagram
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Features
Key Features
- Accurate synchronous rectification functionality
- Wide supply voltage range (8.5 V to 38 V)
- Separate sense inputs for sensing the drain and source voltage of each SR MOSFET
- High level of integration, resulting in a minimum external component count
- High driver output voltage of 10 V to drive all MOSFET brands to the lowest RDSon
- Low current consumption
- High system efficiency from no load to full load
- UnderVoltage Protection (UVP)
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.
Part numbers include: TEA1795T.
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Documentation
Quick reference to our documentation types.
4 documents
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Data Sheet
GreenChip synchronous rectifier controller
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Application Note
GreenChip SR TEA1795T dual synchronous rectification driver IC
Design Resources
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