Overview
The TEA1993TS/1X is a dedicated controller IC designed for synchronous rectification on the secondary side of flyback converters. Developed by NXP USA Inc., this component is part of the GreenChip™ series, known for its high efficiency and performance in power supply circuits. The TEA1993TS/1X incorporates both the sensing stage and driver stage for driving the synchronous rectifier (SR) MOSFET, which replaces the traditional diode for rectification of the voltage on the secondary winding of the transformer. This controller is fabricated using a Silicon-On-Insulator (SOI) process, enhancing its reliability and efficiency.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Series | GreenChip™ |
| Package / Case | SC-74, SOT-457 |
| Mounting Type | Surface Mount |
| Supply Current | 200 µA |
| Operating Temperature | Wide temperature range (specific values not specified) |
| RoHS Status | RoHS compliant |
| Part Status | Obsolete |
Key Features
- Secondary-side control and synchronous rectifier functionality for enhanced efficiency in power supply circuits.
- Low supply current of 200 µA, reducing power consumption.
- Operates across a wide temperature range, ensuring reliable performance in various conditions.
- Available in compact surface mount packages (SC-74 and SOT-457), suitable for space-constrained designs.
- Robust construction and design, compliant with relevant safety and regulatory standards.
Applications
- Switch-mode power supplies.
- Auxiliary power supplies.
- Adapters and chargers.
Q & A
- Q: What is the primary function of the TEA1993TS/1X?
A: The TEA1993TS/1X is a dedicated controller IC for synchronous rectification on the secondary side of flyback converters.
- Q: What are the key benefits of using the TEA1993TS/1X?
A: It offers enhanced efficiency and performance through synchronous rectification, low power consumption, and robust design.
- Q: In what packages is the TEA1993TS/1X available?
A: The TEA1993TS/1X is available in SC-74 and SOT-457 surface mount packages.
- Q: What is the supply current of the TEA1993TS/1X?
A: The supply current is 200 µA.
- Q: Is the TEA1993TS/1X RoHS compliant?
A: Yes, the TEA1993TS/1X is RoHS compliant.
- Q: What is the current status of the TEA1993TS/1X in terms of production?
A: The TEA1993TS/1X is an obsolete product and is no longer in active production.
- Q: What are the typical applications of the TEA1993TS/1X?
A: It is used in switch-mode power supplies, auxiliary power supplies, and adapters and chargers.
- Q: How does the TEA1993TS/1X enhance power supply efficiency?
A: It enhances efficiency through synchronous rectification, which replaces the traditional diode with a MOSFET for rectification.
- Q: What fabrication process is used for the TEA1993TS/1X?
A: The TEA1993TS/1X is fabricated using a Silicon-On-Insulator (SOI) process.
- Q: Where can I find detailed documentation and datasheets for the TEA1993TS/1X?
A: Detailed documentation and datasheets can be found on the NXP website or through authorized distributors such as Allelco Electronic, Bowell Technology, and Ovaga Technologies.
