高功率恒压恒流充电器驱动LZC8610

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LZC8610 恒压IC,电动充电器IC，外置MOS，高PF,成本低，功率在150W以内，原边恒流，四边恒压
LZC8122A 主要性能：隔离高P 内置MOS 单电压24W左右 全电压15W左右,整体成本低。
LZC8710 SOP8 非隔离 外置MOS，温度可自由设定，大电流1A，大MOS 15N左右
LZC8720 SOT23-6 非隔离 外置MOS，高温度达140度，低-40度，，与CL1550类似。大电流1A，大MOS 15N左右
LZC8620 SOP8 隔离 外置MOS 有温度保护功能
LZC8610
PSR & PFC LED Driver Controller
Confidential - 1 - Preliminary V1.1
General Description
The LZC8610 is a single-power stage, isolated
and primary side offline LED lighting regulator
which achieves high power factor. The
proprietary real-current control method can
control the LED current accurately from the
primary side information and support digital
PWM dimming from full duty cycle to zero duty
cycle. The secondary side feedback circuit is
integrated with the voltage mode control to
obtain a precise output voltage.
It can significantly simplify the LED lighting
system design by eliminating the secondary side
current feedback components. The LZC8610
integrates active power factor correction and
works in Quasi Resonance mode (QRM) in order
to reduce the MOSFET switching losses.
The external programmable line voltage
compensation provides a more precise output
current throughout the universal AC input
voltage range. The leading-edge blanking circuit
on the CS/FB input removes the signal glitch and
results in reduced external components and
system cost.
The multi-protection features of LZC8610 greatly
enhance the system reliability and safety. The
LZC8610 features VDD and output over voltage
protection; output short circuit protection,
cycle-by-cycle current limit on CS pin, VDD
UVLO and auto-restart and over-temperature
protection.
The driver output voltage is clamped at 16V to
protect the external power MOSFET.
Features
?? Single stage PFC
?? Primary side current regulation
?? Support secondary side feedback control
?? Quasi Resonance (QR) mode with Fly-back
topology
?? Real-Current control to meet accurate output
current
?? Digital PWM dimming
?? Very less components
?? Programmable input AC voltage
compensation
?? Leading Edge Blanking on CS/FB pin
?? Protection Features
?? Building in hysteresis OTP
?? VDD over voltage protection
?? Cycle by cycle current limiting on CS pin
?? Output short to GND protection
?? Output programmable over voltage
protection
?? FB and CS pins default
Applications
Offline AC/DC Flyback power converters for
?? LED lighting with PWM dimming
?? E_Bike charger
Typical Application
LZC8610

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