Overview
The TEA1892ATS/1H is a GreenChip synchronous rectifier controller IC developed by NXP Semiconductors. This component is designed for use in switched-mode power supplies, particularly in discontinuous conduction mode and quasi-resonant flyback converters. It is fabricated using a Silicon-On-Insulator (SOI) process, which enhances its performance and efficiency. The TEA1892ATS/1H is known for its high level of integration, reducing the need for external components and making it a cost-effective solution for power supply designs.
Key Specifications
| Parameter | Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| VCC (Supply Voltage) | Continuous | -0.4 | - | 38 | V |
| VSRSENSE (Voltage on SRSENSE Pin) | Continuous | - | - | 120 | V |
| VSELREG (Voltage on SELREG Pin) | Continuous | -0.4 | - | 5 | V |
| IDRIVER (Current on DRIVER Pin) | Duty cycle < 10% | -0.8 | - | 3 | A |
| ISRSENSE (Current on SRSENSE Pin) | - | -3 | - | - | mA |
| Ptot (Total Power Dissipation) | Tamb < 80°C | - | - | 0.27 | W |
| Tstg (Storage Temperature) | - | -55 | - | 150 | °C |
| Tj (Junction Temperature) | - | -40 | - | 150 | °C |
| Package | - | - | - | TSOP6 | - |
| Mounting | - | - | - | Surface Mount | - |
| Lead Shape | - | - | - | Gull-wing | - |
Key Features
- Accurate Synchronous Rectification: The TEA1892ATS/1H provides accurate synchronous rectification functionality, enhancing the efficiency of the power supply.
- Wide Supply Voltage Range: It operates over a wide supply voltage range of 8.5 V to 38 V.
- High Level of Integration: This IC has a high level of integration, resulting in a very low external component count, which simplifies the design and reduces costs.
- High Driver Output Voltage: The driver output voltage is high (10 V typical), capable of driving all MOSFET brands to the lowest RDSon.
- Selectable Regulation Level: The driver stage has a selectable regulation level.
- Green Features: It features low current consumption and high system efficiency from no-load to full load.
- Protection Features: The IC includes UnderVoltage Protection (UVP) for enhanced reliability.
Applications
The TEA1892ATS/1H is primarily intended for use in adapters and other discontinuous conduction mode systems and quasi-resonant flyback systems. It is suitable for any application that demands a highly efficient and cost-effective power supply solution.
Q & A
- What is the TEA1892ATS/1H used for?
The TEA1892ATS/1H is used as a synchronous rectifier controller in switched-mode power supplies, particularly in discontinuous conduction mode and quasi-resonant flyback converters.
- What is the supply voltage range of the TEA1892ATS/1H?
The supply voltage range is from 8.5 V to 38 V.
- What is the package type of the TEA1892ATS/1H?
The package type is TSOP6.
- What are the key features of the TEA1892ATS/1H?
Key features include accurate synchronous rectification, wide supply voltage range, high level of integration, high driver output voltage, and selectable regulation level.
- Does the TEA1892ATS/1H have any protection features?
Yes, it includes UnderVoltage Protection (UVP).
- What are the typical applications of the TEA1892ATS/1H?
It is used in adapters and other discontinuous conduction mode systems and quasi-resonant flyback systems.
- What is the junction temperature range of the TEA1892ATS/1H?
The junction temperature range is from -40°C to 150°C.
- Is the TEA1892ATS/1H RoHS compliant?
Yes, it is RoHS compliant and also halogen-free.
- What is the typical total power dissipation of the TEA1892ATS/1H?
The typical total power dissipation is 0.27 W at ambient temperatures below 80°C.
- How does the TEA1892ATS/1H enhance system efficiency?
It enhances system efficiency through low current consumption and high efficiency from no-load to full load.
