Overview
The TEA1522T/N2,118 is a Switched Mode Power Supply (SMPS) controller IC produced by NXP Semiconductors. This component is part of the TEA152x family, which is designed to operate directly from the rectified universal mains voltage. It is implemented using a high-voltage EZ-HV SOI process combined with a low-voltage Bipolar Complementary Metal-Oxide Semiconductor (BiCMOS) process. The TEA1522T/N2,118 is highly versatile and reliable, making it an excellent choice for various low-power electronic projects.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Vdrain voltage on pin DRAIN | Tj > 0 °C | -0.4 | - | +650 | V |
| RDSon drain-source on-state resistance | TEA1522x, Isource = −0.25 A, Tj = 25 °C | 12 | 13.8 | 17 | Ω |
| RDSon drain-source on-state resistance | TEA1522x, Isource = −0.25 A, Tj = 100 °C | 17 | 19.6 | - | Ω |
| VCC supply voltage continuous | - | -0.4 | - | +40 | V |
| fosc oscillator frequency | - | 10 | 100 | 200 | kHz |
| Idrain current on pin DRAIN | Vdrain > 60 V; no auxiliary supply | - | 1.5 | 2 | mA |
| ICC(startup) start-up supply current | start-up | 180 | 400 | μA | |
| VCC(startup) start-up supply voltage | start-up | 9 | 9.5 | 10 | V |
| VCC(stop) stop supply voltage undervoltage lockout | - | 7.0 | 7.5 | 8.0 | V |
Key Features
- Operates directly from the rectified universal mains voltage.
- High-voltage power switch and start-up circuit from rectified mains voltage.
- Dedicated circuit for valley switching, enabling efficient slim-line electronic power-plug concepts.
- No additional secondary electronics required in basic applications.
- Combined voltage and current source with minimal external components.
- Overcurrent protection and undervoltage detection.
- High efficiency and reliability in low-power systems.
Applications
- Consumer electronics: TVs, smartphones, laptops.
- Industrial equipment: servers, data centers, medical devices.
- Automotive systems: in-car infotainment systems, instrument clusters.
- Other applications requiring efficient and reliable power conversion.
Q & A
- What is the TEA1522T/N2,118 used for?
The TEA1522T/N2,118 is a Switched Mode Power Supply (SMPS) controller IC used for efficient and reliable power conversion in various low-power electronic systems.
- What is the operating voltage range of the VCC supply?
The VCC supply voltage range is from -0.4 V to +40 V.
- What is the typical oscillator frequency of the TEA1522T/N2,118?
The typical oscillator frequency is 100 kHz, with a range of 10 kHz to 200 kHz.
- Does the TEA1522T/N2,118 have overcurrent protection?
Yes, the TEA1522T/N2,118 includes overcurrent protection and undervoltage detection features.
- What is the package type of the TEA1522T/N2,118?
The package type is SOT108-1 or DIP-8, depending on the specific variant.
- Is the TEA1522T/N2,118 still in production?
No, the TEA1522T/N2,118 is no longer manufactured.
- What are the key benefits of using the TEA1522T/N2,118?
The key benefits include high efficiency, reliability, and the ability to operate directly from rectified universal mains voltage with minimal external components.
- Can the TEA1522T/N2,118 be used in automotive systems?
Yes, it can be used in automotive systems such as in-car infotainment systems and instrument clusters.
- What is the typical start-up supply current?
The typical start-up supply current is between 180 μA and 400 μA.
- Does the TEA1522T/N2,118 support valley switching?
Yes, it includes a dedicated circuit for valley switching, which enhances efficiency in slim-line electronic power-plug concepts.
