Overview
The TEA19161CT/1Y, produced by NXP USA Inc., is a highly advanced controller IC designed for resonant power supplies, including LLC (Inductor-Inductor-Capacitor) and Power Factor Correction (PFC) topologies. This IC is part of the GreenChip™ series and is known for its high efficiency across all power levels. It is often used in conjunction with the TEA19162T PFC controller and the TEA1995T dual LLC resonant SR controller to build a complete and efficient power supply system. This system complies with various efficiency regulations such as Energy Star, the Department of Energy (DoE), and the Eco-design directive of the European Union.
Key Specifications
| Parameter | Description |
|---|---|
| Package / Case | 16-SOIC (0.154, 3.90mm Width) |
| Operating Temperature | -40°C to 150°C (TJ) |
| Supply Voltage | 100 VAC |
| Pin Count | 16 |
| Switching Mode | Discontinuous Conduction (DCM) |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| RoHS Status | ROHS3 Compliant |
| Output Power Range | 90 W to 500 W |
| No-Load Input Power | < 75 mW (total system) |
Key Features
- High Efficiency: The TEA19161CT/1Y ensures high efficiency across all power levels, including a newly introduced low-power mode that operates between continuous switching and burst mode.
- Integrated PFC and LLC Control: Combines with the TEA19162T PFC controller to provide a complete power supply solution with minimal external components.
- Digital Control: Enables fast latch reset mechanisms and precise control over operating modes and protections.
- Protection Features: Includes safe restart mode, overvoltage protection (OVP), open-loop protection (OLP), internal and external overtemperature protection (OTP), and adjustable brownin/brownout protection.
- Universal Mains Supply Operation: Supports mains supply operation from 70 V (AC) to 276 V (AC).
- Low No-Load Input Power: The system consumes less than 75 mW in no-load conditions, eliminating the need for additional low-power supplies.
- Valley/Zero Voltage Switching: Reduces switching losses, enhancing overall system efficiency.
Applications
The TEA19161CT/1Y is suitable for a wide range of applications requiring high-efficiency power supplies, including:
- Consumer Electronics: Power supplies for TVs, computers, and other consumer electronics that require high efficiency and compliance with energy regulations.
- Industrial Power Supplies: Used in industrial equipment where high reliability and efficiency are crucial.
- Medical Devices: Power supplies for medical equipment that demand high efficiency and reliability.
- Telecommunications: Power supplies for telecommunications equipment that require efficient and reliable operation.
Q & A
- What is the primary function of the TEA19161CT/1Y?
The TEA19161CT/1Y is a controller IC for resonant power supplies, including LLC and PFC topologies, designed to achieve high efficiency across all power levels.
- What other components are typically used with the TEA19161CT/1Y?
It is often used with the TEA19162T PFC controller and the TEA1995T dual LLC resonant SR controller to build a complete power supply system.
- What are the key protection features of the TEA19161CT/1Y?
The IC includes safe restart mode, OVP, OLP, internal and external OTP, adjustable brownin/brownout protection, and more.
- What is the operating temperature range of the TEA19161CT/1Y?
The operating temperature range is from -40°C to 150°C (TJ).
- What is the no-load input power consumption of the system using the TEA19161CT/1Y?
The system consumes less than 75 mW in no-load conditions.
- Does the TEA19161CT/1Y support universal mains supply operation?
Yes, it supports mains supply operation from 70 V (AC) to 276 V (AC).
- What is the significance of the low-power mode in the TEA19161CT/1Y?
The low-power mode operates between continuous switching and burst mode, enhancing efficiency at lower power levels.
- Is the TEA19161CT/1Y RoHS compliant?
Yes, it is ROHS3 compliant.
- What is the typical output power range of the system using the TEA19161CT/1Y?
The output power range is typically between 90 W and 500 W.
- How does the TEA19161CT/1Y reduce switching losses?
It uses valley/zero voltage switching to minimize switching losses.
