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KP216XM series
KP216XM Multi-mode, constant voltage and current primary-side control power switch with high-voltage startup The KP216XM is a high-performance primary-side controller that provides high-precision constant voltage and constant current output performance, especially suitable for low-power offline charger applications. The KP216XM has a built-in high-voltage startup function, eliminating the need for a startup resistor, saving components and reducing standby power consumption; at the same time, it is also suitable for PSR architectures without auxiliary windings, further reducing costs. In constant voltage output mode, the KP216XM uses a multi-mode operation method, a combination of amplitude modulation control (AM) and frequency modulation control (FM), which improves system efficiency and reliability. In constant current output mode, the chip uses frequency modulation control and integrates constant current compensation for line voltage and load voltage. Using the KP216XM enables noiseless operation while ensuring excellent dynamic performance. Utilizing the integrated line loss compensation function, high-performance constant voltage output can be achieved. The KP216XM integrates multiple protection functions: VDD undervoltage protection (UVLO), VDD overvoltage protection (VDD OVP), cycle-by-cycle current limiting protection (OCP), short-circuit protection (SLP), and VDD clamping and overvoltage protection (OVP), etc.
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- Product Description
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- Commodity name: KP216XM series
- 封装: SOP8
- 品牌: Biyi Microelectronics
KP216XM Multi-mode, constant voltage and current primary-side control power switch with high-voltage startup The KP216XM is a high-performance primary-side controller that provides high-precision constant voltage and constant current output performance, especially suitable for low-power offline charger applications. The KP216XM has a built-in high-voltage startup function, eliminating the need for a startup resistor, saving components and reducing standby power consumption; at the same time, it is also suitable for PSR architectures without auxiliary windings, further reducing costs. In constant voltage output mode, the KP216XM uses a multi-mode operation method, a combination of amplitude modulation control (AM) and frequency modulation control (FM), which improves system efficiency and reliability. In constant current output mode, the chip uses frequency modulation control and integrates constant current compensation for line voltage and load voltage. Using the KP216XM enables noiseless operation while ensuring excellent dynamic performance. Utilizing the integrated line loss compensation function, high-performance constant voltage output can be achieved. The KP216XM integrates multiple protection functions: VDD undervoltage protection (UVLO), VDD overvoltage protection (VDD OVP), cycle-by-cycle current limiting protection (OCP), short-circuit protection (SLP), and VDD clamping and overvoltage protection (OVP), etc.
Main Features
• Integrated 650V MOSFET
• With high-voltage startup function, no startup resistor needed
• Supports PSR architecture without auxiliary winding
• ±4% constant current, constant voltage accuracy
• Standby power consumption <50mW
• Multi-mode primary-side control method
• Silent operation
• Optimized dynamic response
• Adjustable line loss compensation
• Integrated constant current compensation for line voltage and load voltage
• Integrated comprehensive protection functions:
• Short circuit protection (SLP)
• Over temperature protection (OTP)
• Cycle-by-cycle current limiting protection (OCP)
• Over voltage protection (OVP)
• VDD over/under voltage protection and clamping protection
• Package type SOP-8
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