← 返回 JSSC 论文列表JSSC 2024第3期Digital Circuits0.18-µmNeural Network Accelerator
A Li-Ion Battery Input Highly Integrated LED Driver With 968 Peak Efficiency and
一款高效集成的锂离子电池供电LED驱动器，峰值效率达96.8%，支持双色混合调光。
0.18-µm BCD, 2.7–4.2V, 270-550mA, 96.8% peak efficiency
LED驱动器锂离子电池高效双色混合PWM调光
▸仅使用两个片上NMOS功率晶体管
▸采用电感优先拓扑和浮动输出电压消除片外电容
▸支持宽范围可调相关色温(CCT)和PWM调光
Abstract
This article presents an efficient and highly
integrated light-emitting diode (LED) driver powered by a
Li-ion battery with dual-color mixing capability. In terms of
efficiency, the power stage of the proposed driver utilizes only
two on-chip NMOS power transistors and can operate at a
lower switching frequency, effectively reducing conduction loss
and switching loss. Additionally, the inductor-first topology and
the floating output voltage enable the elimination of the off-
chip capacitors, mak