NCP1654BD133R2G

The NCP1654BD133R2G is a Power Factor Correction (PFC) controller IC designed by ON Semiconductor. It is primarily used in power supply systems to improve efficiency by ensuring that the power factor is closer to unity. This component is suitable for applications in electronic devices requiring efficient power management, such as in computing, industrial, and consumer electronics.
The NCP1654BD133R2G operates in Continuous Conduction Mode (CCM) and features a critical conduction mode PFC. This means it can effectively manage current flow to minimize harmonic distortion and enhance power quality. The device includes various protective features such as over-voltage protection, over-current protection, and under-voltage lockout to ensure reliability and safety in operation.
Key characteristics of the NCP1654BD133R2G include its wide input voltage range, high power factor correction capability, and efficiency optimization, making it suitable for a wide range of power levels. The IC is packaged in a compact form factor, facilitating easy integration into existing systems. Overall, the NCP1654BD133R2G is a robust choice for improving power management and efficiency in electronic systems.

The NCP1654BD133R2G is a power factor correction (PFC) controller designed for high-performance, wide-range applications. It operates in a critical conduction mode (CrM), which optimizes efficiency and reduces the complexity of EMI filtering. The device features a high-accuracy multiplier and current sense circuitry to ensure precise control of the input current waveform.
Key features include:
- Wide input voltage range support, suitable for global applications.
- Integrated start-up and protection features, such as over-voltage, under-voltage, and over-current protection.
- Built-in thermal shutdown to prevent overheating.
- Low startup and operating currents for enhanced efficiency.
- Frequency jittering to improve EMI performance.
- Soft-start capability to minimize inrush current.
- High power factor correction with minimized harmonic distortion.
These features make the NCP1654BD133R2G ideal for power supplies in computing, industrial, and consumer electronics where efficient energy conversion and compliance with power regulations are critical.

The NCP1654BD133R2G is typically available in a SOIC-8 package, which is a small-outline integrated circuit with eight leads.

The NCP1654BD133R2G is a power factor correction (PFC) controller designed by ON Semiconductor. This component is typically used in power supply applications to improve power factor and reduce harmonic distortion.
The NCP1654BD133R2G comes in a SOIC-8 package, meaning it has 8 pins. The pin functions are generally as follows:
1. VCC: This pin supplies power to the IC.
2. GND: Ground reference for the IC.
3. OUT: This pin is the gate drive output for controlling an external MOSFET.
4. COMP: Compensation pin for the error amplifier.
5. FB: Feedback pin, used to monitor the output voltage.
6. CS: Current sense input, used for protection and current regulation.
7. ZCD: Zero current detection, helps in discontinuous conduction mode detection.
8. NC: No Connection, sometimes used for other purposes depending on the design.
The NCP1654BD133R2G enhances the efficiency of power supplies by controlling the input current to follow the input voltage, thereby achieving better power factor correction.

The NCP1654BD133R2G is manufactured by ON Semiconductor. ON Semiconductor, now known as onsemi, is a multinational company that specializes in developing and supplying a wide array of semiconductor components. These components serve various sectors, including automotive, industrial, consumer electronics, and communications. The company is known for its innovations in power management and efficiency, providing solutions that optimize energy usage in electronic devices. onsemi focuses on smart power and intelligent sensing technologies, aiming to drive sustainable energy solutions and ensure efficient energy usage across industries.

The NCP1654BD133R2G is a power factor correction (PFC) controller primarily used in applications requiring efficient power management and compliance with energy standards. It is suitable for switch-mode power supplies, LED drivers, and any electronic device needing active PFC to improve energy efficiency and reduce harmonic distortion. Its typical application areas include adapters, televisions, desktop computers, and other consumer electronics where compact and efficient power conversion is necessary.

The NCP1654BD133R2G is a power factor correction (PFC) controller. Equivalent products include:
1. Texas Instruments UCC28019: A continuous conduction mode (CCM) PFC controller.
2. Analog Devices ADP1047: Digital PFC controller with enhanced efficiency.
3. Infineon ICE3PCS01G: CCM PFC controller with integrated protection features.
Always check the datasheets to ensure compatibility in terms of specifications and pin configurations.