Overview
The TEA1892TS/1X is a secondary-side controller for switched-mode power supplies (SMPS) designed by NXP Semiconductors. It is part of the GreenChip™ family and is dedicated to synchronous rectification in discontinuous conduction mode and quasi-resonant flyback converters. This controller is designed to work in conjunction with a primary-side controller to form a complete SMPS solution, enhancing the overall efficiency and cost-effectiveness of the power supply system.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Manufacturer Part Number | TEA1892TS/1X | - |
| Manufacturer | NXP Semiconductors | - |
| Package | SC-74, SOT-457 | - |
| Input Voltage Range | 8.5 V to 38 V | - |
| Operating Temperature Range | -40°C to 150°C | - |
| Supply Current | Up to 1 mA | - |
| Driver Output Voltage | 10 V | - |
| Protection Features | UnderVoltage Protection (UVP) | - |
Key Features
- Accurate Synchronous Rectification: Provides efficient synchronous rectification control to improve the overall efficiency of the SMPS.
- Wide Operating Range: Operates in the input voltage range of 8.5 V to 38 V and in the temperature range of -40°C to 150°C.
- High Level of Integration: Reduces the number of external components required, making the power supply design more cost-effective.
- Compact Package: Available in small surface mount packages (SC-74, SOT-457), suitable for space-constrained applications.
- Low Current Consumption: High system efficiency from no-load to full load, contributing to energy savings.
- Protection Features: Includes UnderVoltage Protection (UVP) to ensure reliable operation.
Applications
- Secondary-Side Controller for SMPS: Used in switched-mode power supplies to control synchronous rectification.
- Synchronous Rectifier Control: Ideal for discontinuous conduction mode and quasi-resonant flyback converters.
- Adapters and Power Supplies: Suitable for adapters and other power supply systems that require high efficiency and cost-effectiveness.
Q & A
- What is the primary function of the TEA1892TS/1X?
The TEA1892TS/1X is a secondary-side controller for switched-mode power supplies, dedicated to synchronous rectification in discontinuous conduction mode and quasi-resonant flyback converters.
- What is the input voltage range of the TEA1892TS/1X?
The input voltage range is from 8.5 V to 38 V.
- What is the operating temperature range of the TEA1892TS/1X?
The operating temperature range is from -40°C to 150°C.
- What protection features does the TEA1892TS/1X include?
The TEA1892TS/1X includes UnderVoltage Protection (UVP).
- What is the typical driver output voltage of the TEA1892TS/1X?
The typical driver output voltage is 10 V.
- What are the benefits of the high level of integration in the TEA1892TS/1X?
The high level of integration reduces the number of external components required, making the power supply design more cost-effective.
- Is the TEA1892TS/1X still in active production?
No, the TEA1892TS/1X is an obsolete product, but equivalent or alternative models may be available from NXP Semiconductors or other manufacturers.
- What types of power supplies can the TEA1892TS/1X be used in?
The TEA1892TS/1X can be used in discontinuous conduction mode and quasi-resonant flyback converters.
- How does the TEA1892TS/1X contribute to energy efficiency?
The TEA1892TS/1X contributes to high system efficiency from no-load to full load, which helps in energy savings.
- What is the significance of the compact package size of the TEA1892TS/1X?
The compact package size (SC-74, SOT-457) makes it suitable for space-constrained applications.
