KP2202SGA
  • KP2202SGAKP2202SGA

KP2202SGA

KP2202SGA is a high frequency high performance quasi-resonant current mode PWM controller for off-line flyback converters.

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Product Description

High frequency, high efficiency, quasi-resonant mode current mode PWM drive controller


KP2202SGA is a high frequency high performance quasi-resonant current mode PWM controller for off-line flyback converters. The chip integrates a high-voltage start circuit, which can obtain fast start and ultra-low standby performance. The chip also integrates the function of input power failure detection and X capacitor discharge, which solves the problem of standby loss caused by X capacitor discharge resistance. The maximum switching frequency of the chip is 500kHz, the driving speed is fast, the capability is strong, the delay is small, and the application of gallium nitride and other high-frequency devices can greatly improve the product performance and reduce the product volume.


The KP2202SGA operates in valley floor on-mode, with the highest frequency configured through the corresponding pin, and with peak current jitter to optimize EMI performance. The chip works in green energy-saving mode and hiccup mode, and the standby power consumption is less than 30mW.


KP2202SGA is integrated with complete protection features, including: VDD Undervoltage protection (UVLO), VDD Overvoltage protection (VDD OVP), input Undervoltage protection (BOP), input Overvoltage protection (LOVP), X capacitor discharge protection, output Overvoltage protection (OVP), cycle by Cycle current Limit (OCP), overload protection (OLP), output current overcurrent protection (SOCP), built-in overheat protection, external overheat protection, soft start, front blanking (LEB), CS pin open circuit protection, etc.


Main feature

• Integrated high-voltage start function

• Integrated X capacitor discharge

• Integrated input overvoltage protection and input undervoltage protection

• Ultra-low starting and operating current, standby power consumption <30mW

• Bottom lock mode, maximum operating frequency three adjustable (500kHz, 300kHz, 140kHz)

• Ultra-wide VDD power supply range 10V-112V

• Integrated EMI optimization technology

• Light burp mode operation and noise optimization

• Package type SSOP-10


• Integrated protection with self-recovery mode:

• VDD overvoltage/Undervoltage protection (VDD OVP/UVLO)

• Output Overvoltage protection (OVP)

• Input Undervoltage Protection (BOP)

• Input Overvoltage protection (LOVP)

• On-chip overheat Protection (OTP)

• External overheat protection

• Cycle Current Limit (OCP)

• Output current overcurrent protection (SOCP)

• Overload Protection (OLP)

• Abnormal Overcurrent Protection (AOCP)

• Front blanking (LEB)

• CS pin open circuit protection


Typical application

• Chargers and adapters



Contact Us

Shenzhen Headquarters: 10th Floor, Research and Development Center Building, EVOC Industrial Park, 

Guangming Street, Guangming District, Shenzhen City, Guangdong Province, China

Company Official Website: www.cokinsemi.com

 

Email: wyq@cokinic.com

Telephone: +86-18681585060

 




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