TEA1791T/N1

The TEA1791T/N1 is a high-performance, integrated primary-side controller designed for switch-mode power supplies (SMPS) in applications like adapters, chargers, and LED lighting. It features a quasi-resonant operation mode that enhances efficiency, particularly at low loads, and minimizes electromagnetic interference (EMI). The device supports a wide input voltage range and includes built-in protections such as over-voltage, over-current, and thermal shutdown.
Key functions of the TEA1791T/N1 include primary-side regulation, allowing for output voltage control without the need for an opto-coupler, and integrated features for soft-start and frequency jittering to reduce noise emissions. The controller is optimized for flyback topology and can operate in both continuous and discontinuous conduction modes.
Designed for ease of use, the TEA1791T/N1 simplifies circuit design and improves energy efficiency, making it suitable for a variety of consumer and industrial applications. Its compact size and extensive feature set make it a preferred choice for modern power supply designs.

The TEA1791T/N1 is a highly integrated power supply controller designed for high-efficiency switch-mode power supplies. Key features include:
1. Wide Input Voltage Range: Supports a wide AC input range, making it suitable for various applications.
2. Integrated High-Voltage Start-Up: Ensures quick startup and reduces the need for external components.
3. Primary Side Regulation: Eliminates the need for an opto-coupler, simplifying design and reducing costs.
4. Low Standby Power Consumption: Achieves energy efficiency, meeting energy-saving regulations.
5. Built-in Overload and Short-Circuit Protection: Enhances reliability and safety in operation.
6. Frequency Jittering: Reduces electromagnetic interference (EMI) for compliance with emission standards.
7. External Compensation: Allows for flexibility in optimizing performance for different applications.
8. DIP Package: Available in a compact package for easy integration into PCB designs.
These features make the TEA1791T/N1 ideal for applications in consumer electronics, chargers, and LED drivers.

The TEA1791T/N1 is packaged in a TSSOP-16 (Thin Shrink Small Outline Package) format. This compact package type is designed for surface mounting and is typically used in power management applications.

The TEA1791T/N1 is a power management IC used primarily in power supply applications, such as LED drivers. It features a total of 20 pins.
The key functions of the pins include:
1. Supply Voltage (VCC): Powers the IC.
2. Ground (GND): Common reference point for the circuit.
3. Feedback (FB): Used for voltage regulation.
4. Control (CTRL): For enabling/disabling the IC.
5. Switching Frequency (FSET): Sets the operating frequency.
6. Output Voltage Adjustment: Various pins used to adjust output voltage levels.
7. Compensation (COMP): For loop compensation.
8. Current Sense (CS): Monitors output current.
9. Protection (OVP, OCP): Over-voltage and over-current protection pins.
This IC is designed to enhance efficiency in power conversion applications, making it suitable for use in various electronic devices.

The TEA1791T/N1 is manufactured by NXP Semiconductors, a global semiconductor company headquartered in Eindhoven, Netherlands. NXP specializes in the development of high-performance mixed-signal and standard product solutions, focusing on automotive, identification, networking, and wireless applications. The company plays a significant role in various markets, including automotive, industrial, IoT, and mobile. NXP is known for its innovations in secure connectivity solutions and is a prominent player in the semiconductor industry, providing products that enhance the functionality and efficiency of electronic devices.

The TEA1791T/N1 is a power supply controller primarily used in LED lighting applications, offline power supplies, and adapters. It is designed for low-power SMPS (switched-mode power supplies), providing high efficiency and low standby power consumption. Key application areas include consumer electronics, industrial power supplies, and portable devices, where reliable voltage regulation and energy efficiency are essential.

The TEA1791T/N1 is a power management IC used primarily in LED lighting applications. Equivalent products include the NCP1654 from ON Semiconductor, the LM3405 from Texas Instruments, and the PF5100 from NXP. Always check the datasheets for specifics on functionality, electrical characteristics, and pin compatibility before substitution.