A self-adaptive pulse generator featuring with short pulse width to realize lower power consumption and higher reliability of high voltage gate driver IC is proposed. Under the control of the feedback signal from the output of the high voltage level shifter, the pulse width of the input narrow pulse can be decreased adaptively without affecting the normal operating function. The proposed self-adaptive pulse generator is implemented in 100 V BCD process. Measured results show that the pulse width reduced from 211.6 to 108.3 ns, the high side operating current decreased from 175.54 to 120.53 µA at 25 °C when operations at 100 kHz, and the pulse width tend to be stable as temperature changes.

提出了一种具有短脉冲宽度的自适应脉冲发生器，以实现更低的功耗和更高的高压栅极驱动器IC的可靠性。在来自高电压电平转换器输出的反馈信号的控制下，可以自适应地减小输入窄脉冲的脉冲宽度，而不会影响正常的工作功能。拟议的自适应脉冲发生器以100 V BCD工艺实现。测量结果表明，当以100 kHz工作时，在25°C下，脉冲宽度从211.6 ns减小到108.3 ns，高端工作电流从175.54 µA减小到120.53 µA，并且脉冲宽度趋于稳定。