为了有效降低传统电荷泵电路的充放电过冲电流,提高电荷泵输出控制电压的稳定性,提出、设计并实现了一种高速低过冲的电荷泵结构,该电路适用于高速锁相环及时钟数据恢复电路。电路在电源电压为1.2 V的0.13μm CMOS工艺下设计实现,并对版图数据进行了HSPICE模拟,其结果表明,电路在2.5 GHz的速度下能很好的工作,同时电流过冲相比传统电荷泵下降了70%。 In order to effectively reduce the charge-discharge overshoot current of traditional charge pump circuit and improve the stability of charge pump output control voltage, a charge pump structure with high speed and low overshoot is designed and implemented. The circuit is suitable for high-speed phase-locked loop Clock data recovery circuit. The circuit is designed and implemented in a 0.13μm CMOS process with a 1.2V supply voltage. HSPICE simulations of the layout data show that the circuit works well at 2.5GHz with current overshoot compared to traditional charge Pump dropped by 70%.