Powerint LCS702HG 150W电源参考设计(RDR239)

Powerint LCS702HG 150W电源参考设计(RDR239)led球泡灯罩

Powerint公司的HiperLCS系列LCS702HG集成了多功能控制器,高边和低边栅极驱动器,以及半桥配置的两个功率,可节约30多个外接元件,工作频率高达1MHz,20%,50%和100%负载点的平均效率为95%,主要用在高效电源(80PLUS 银,金和白金), TV电源和街区和区域照明.本文介绍了HiperLCS系列主要特性,方框图, 150 W 激光打印机电源图以及采纳HiperLCSTM LCS702HG的150W LLC高压DC/DC谐振转换器参考设计主要特性,,材料清单和布局图.
The HiperLCS is an integrated LLC power stage incorporating a multi-function controller, high-side and low-side gate drivers, plus two power MOSFETs in a half-bridge configuration.
The variable frequency controller provides high efficiency by switching the power MOSFETs at zero voltage (ZVS), eliminating switching losses.
HiperLCS系列主要特性:
LLC half-bridge power stage incorporating controller, high and low-side gate drives, and high-voltage power MOSFETs
Eliminates up to 30 external components

High maximum operating frequency of 1 MHz
Nominal steady-state operation up to 500 kHz
谢宇风Dramatically reduces magnetics size and allows use of SMD ceramic output capacitors95215232
Precise duty symmetry balances output rectifier current, improving efficiency
50% ±0.3% typical at 300 kHz
Comprehensive fault handling and current limiting
Programmable brown-in/out thresholds and hysteresis
Undervoltage (UV) and overvoltage (OV) protection
Programmable over-current protection (OCP)爆闪灯管
Short-circuit protection (SCP)
Over-temperature protection (OTP)
Programmable dead-time for optimized design
Programmable burst mode maintains regulation at no-load and improves light load efficiency
Programmable soft-start time and delay before soft-start

Accurate programmable minimum and maximum frequency limits
Single package designed for high-power and high-frequency
Reduces assembly cost and reduces PCB layout loop areas
Simple single clip attachment to heat sink
Exposed thermal pad connected to ground potential – no insulators required between package and heat sink
Staggered pin arrangement for simple PC board routing and high-voltage creepage requirements
Paired with HiperPFS PFC product gives complete, high efficiency, low part count PSU solutions
HiperLCS系列应用:
High-efficiency power supplies (80 PLUS Silver, Gold and Platinum)
LCD TV power supplies
压铸机料筒的设计LED street and area lighting
Printer power supplies
Audio amplifier
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