The CP1002PN is an integrated circuit from Power Integrations designed for use in offline power supplies. It incorporates a primary-side regulated (PSR) controller and a high-voltage power MOSFET, enabling efficient and compact power conversion. This device is commonly used in applications requiring a low component count and high reliability.

Applications:

• Adapters for mobile devices (smartphones, tablets)
• Chargers for power tools
• Standby power supplies for consumer electronics (TVs, set-top boxes)
• LED lighting power supplies
• Auxiliary power supplies in industrial equipment

Features:

• Primary-Side Regulation (PSR): Eliminates the need for optocouplers, simplifying the design and reducing component count.
• Integrated High-Voltage MOSFET: Reduces external component count and simplifies PCB layout.
• EcoSmart™ Energy Efficiency: Meets stringent energy efficiency standards.
• Built-in Protection Features: Overvoltage protection (OVP), overcurrent protection (OCP), and over-temperature protection (OTP) enhance system reliability.
• Frequency Jittering: Reduces EMI emissions.
• Accurate Constant Voltage/Constant Current (CV/CC) Regulation: Provides stable output voltage and current.

Benefits:

• Reduced BOM Cost: Fewer external components due to PSR and integrated MOSFET.
• Improved Reliability: Integrated protection features safeguard the power supply against faults.
• Simplified Design: PSR eliminates the need for complex feedback circuitry.
• High Efficiency: EcoSmart technology minimizes energy consumption.
• Compact Size: Integration reduces the overall size of the power supply.
• Enhanced EMI Performance: Frequency jittering reduces electromagnetic interference.

Additional Details:

The CP1002PN operates with a wide input voltage range, typically from 85 VAC to 265 VAC, making it suitable for global applications. It provides accurate constant voltage and constant current regulation, which is crucial for battery charging applications. The device is available in a DIP-7 package. The integrated protection features ensure robust operation under various fault conditions. The PSR control scheme accurately regulates the output voltage without requiring an optocoupler, reducing component count and improving reliability. It's specifically designed for applications where cost-effectiveness and efficiency are critical.