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KP1059A
KP1059A Highly integrated, high efficiency, buck constant current driving power switch KP1059A is an internally highly integrated buck quasi-resonant LED constant current power switch. KP1059A integrates high-voltage power MOSFET, 600V freewheeling diode, 800V rectifier bridge, and controller. In addition, the chip also integrates a high-voltage startup circuit and an inductor current zero-crossing detection circuit that does not require auxiliary windings. Utilizing this feature, the system operates in quasi-resonant mode and maximally simplifies system design. KP1059A integrates comprehensive protection functions to ensure safe and reliable system operation, such as HVDD undervoltage protection, cycle-by-cycle current limit, over-temperature protection, LED short-circuit protection, etc.
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- Product Description
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- Commodity name: KP1059A
- 封装: ASOP-7/SSOP-6
- 品牌: Biyi Microelectronics
KP1059A Highly integrated, high efficiency, buck constant current driving power switch KP1059A is an internally highly integrated buck quasi-resonant LED constant current power switch. KP1059A integrates high-voltage power MOSFET, 600V freewheeling diode, 800V rectifier bridge, and controller. In addition, the chip also integrates a high-voltage startup circuit and an inductor current zero-crossing detection circuit that does not require auxiliary windings. Utilizing this feature, the system operates in quasi-resonant mode and maximally simplifies system design. KP1059A integrates comprehensive protection functions to ensure safe and reliable system operation, such as HVDD undervoltage protection, cycle-by-cycle current limit, over-temperature protection, LED short-circuit protection, etc.
Main Features
• Integrated high-voltage 500V MOSFET
• Integrated 600V ultra-fast recovery diode
• Integrated 800V rectifier bridge
• Integrated high-voltage regulator
• No auxiliary winding, no VDD capacitor design
• Quasi-resonant operating mode improves system efficiency
• ±4% constant current accuracy
• Ultra-low operating current
• Integrated line voltage compensation for optimized adjustment rate
• Integrated overheat power compensation
• Internal protection functions:
• LED short-circuit protection
• Chip overheat protection
• Cycle-by-cycle current limit
• Leading edge blanking
• HVDD pin undervoltage protection
• Package type ASOP-7/SSOP-6
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Room 819, Dongmei Building, Xiangnan Three District, Minqiang Community, Minzhi Street, Longhua District, Shenzhen
