TNY290KG-TL

The TNY290KG-TL is a highly integrated, off-line switcher IC designed for low-power applications, typically used in power supplies for appliances, LED lighting, and consumer electronics. It belongs to the TinySwitch series from Power Integrations, known for their energy efficiency and compact size.
Key features include a built-in high-voltage power MOSFET, an integrated oscillator, and thermal shutdown capabilities, contributing to its simplicity in circuit design and reliability. The TNY290KG-TL operates in a quasi-resonant mode, which helps reduce electromagnetic interference (EMI) and enhances efficiency, particularly at low loads.
It offers a wide input voltage range, typically up to 265 VAC, making it suitable for various international applications. The device also includes features like overload protection and auto-restart functionality, ensuring safe operation under fault conditions. Overall, the TNY290KG-TL is an excellent choice for designers seeking a compact, efficient solution for low-power AC-DC conversion.

The TNY290KG-TL is a TinySwitch-III series switcher. Equivalent products include the TNY291KG-TL, TNY292KG-TL, and TNY293KG-TL, which offer similar functionalities with slight variations in output power and voltage ratings. Additionally, other alternatives could include chips from different manufacturers, such as the NCP1200 series from ON Semiconductor or the LM2576 series from Texas Instruments, depending on specific application requirements. Always check datasheets for compatibility.

The TNY290KG-TL is a highly integrated off-line switcher designed for power supply applications. Key features include:
1. Integrated Power MOSFET: It has a built-in high-voltage power MOSFET, which simplifies the design and reduces component count.

2. High Efficiency: The device is designed for high efficiency, minimizing power dissipation and thermal management requirements.
3. Wide Input Voltage Range: It supports a wide input voltage range, making it suitable for various applications.
4. Multiple Protection Features: Includes over-voltage protection, over-current protection, and thermal shutdown to ensure safe operation.
5. Low Standby Power: Designed to meet energy efficiency standards with low power consumption in standby mode.
6. Simple Design: Enables easier circuit design and implementation due to its integrated features.
7. Compact Package: Available in a compact package size, suitable for space-constrained applications.
This makes the TNY290KG-TL ideal for adapters, chargers, and other power supply designs requiring efficiency and reliability.

The TNY290KG-TL is a part of the TinySwitch-II series from Power Integrations, designed for low-power offline switcher applications. It features a total of 8 pins.
The pin functions are as follows:
1. DRAIN (D): Connects to the primary winding of the transformer; it's where the switching action occurs.
2. SOURCE (S): Connected to the source of the internal MOSFET; serves as the return path for the current.
3. GND (Ground): Common ground connection for the IC.
4. VCC (V): Supply voltage input; powers the IC.
5. CS (Current Sense): Used for current limiting; senses the primary current.
6. RAMP (Ramp): Provides a connection for a compensation capacitor to control the switching frequency.
7. COMP (Compensation): Connects to a compensation network for stability in feedback designs.
8. VFB (Voltage Feedback): Feedback pin for voltage regulation.
These pins enable the TNY290KG-TL to function effectively in a variety of power supply applications.

The TNY290KG-TL is manufactured by Power Integrations, Inc. Power Integrations is a company specializing in high-performance electronic components used in power conversion and management applications. Founded in 1985 and headquartered in San Jose, California, the company focuses on innovative products that help improve energy efficiency in power supplies, including those for consumer electronics, industrial applications, and renewable energy systems. Power Integrations is known for its proprietary technology, including integrated circuits and software solutions that enable designers to create compact, efficient power supplies with enhanced performance. The TNY290KG-TL is specifically part of their TinySwitch family, which is designed for low-power applications, offering features like high efficiency and compact size.

The TNY290KG-TL is a power management IC primarily used in low-power switch-mode power supplies (SMPS). Its application areas include:
1. Consumer Electronics: Power adapters for smartphones, tablets, and laptops.
2. Home Appliances: Power supplies for devices like LED lighting, kitchen appliances, and HVAC systems.
3. Industrial Equipment: Power management in automation and control systems.
4. Telecommunication Devices: Power supply for routers, modems, and other communication equipment.
5. Battery-Powered Applications: Energy-efficient charging circuits for battery-operated devices.
Its compact design and efficiency make it suitable for various applications requiring reliable power conversion.

The TNY290KG-TL is packaged in a SIP-7 (Single In-line Package, 7 pins) form factor.