公开(公告)号：US20130002224A1

公开(公告)日：2013-01-03

申请号：US13469287

申请日：2012-05-11

Applicant: Hongwu Lin

Inventor： Hongwu Lin

IPC: G05F1/618

CPC classification number: H02M3/158 ,  H02M1/36 ,  H02M2001/0032 ,  Y02B70/16

Abstract: A boost converter circuit receives an input power supply voltage and produces an output boosted supply voltage. The circuit includes a voltage regulator, boosting circuitry, and a timing controller. The voltage regulator provides a regulated voltage to the boosting circuitry, which controls switching a transistor to drive the output boosted supply voltage; and the timing controller controls switching the boost circuit from the start-up mode to the normal operation mode. In start-up mode, the regulated voltage is generated from the input power supply voltage. During normal operation mode, the regulated voltage is generated from the output boosted supply voltage. The circuitry performs a low-power start-up when the input power supply voltage is low, and maintains efficient low-power operation by driving the transistor to produce the output boosted supply voltage as the input power supply voltage decreases.

Abstract translation: 升压转换器电路接收输入电源电压并产生输出升压的电源电压。 电路包括电压调节器，升压电路和时序控制器。 电压调节器向升压电路提供调节电压，其控制晶体管的切换以驱动输出升压的电源电压; 并且定时控制器控制升压电路从启动模式切换到正常操作模式。 在启动模式下，从输入电源电压产生调节电压。 在正常工作模式下，调节电压由输出升压电源电压产生。 当输入电源电压低时，电路执行低功率启动，并且通过驱动晶体管以在输入电源电压降低时产生输出升压的电源电压来保持有效的低功率操作。

公开(公告)号：US09608522B2

公开(公告)日：2017-03-28

申请号：US13469287

申请日：2012-05-11

Applicant: Hongwu Lin

Inventor： Hongwu Lin

IPC: G05F1/00 ,  H02M3/158 ,  H02M1/36 ,  H02M1/00

CPC classification number: H02M3/158 ,  H02M1/36 ,  H02M2001/0032 ,  Y02B70/16

Abstract: A boost converter circuit receives an input power supply voltage and produces an output boosted supply voltage. The circuit includes a voltage regulator, boosting circuitry, and a timing controller. The voltage regulator provides a regulated voltage to the boosting circuitry, which controls switching a transistor to drive the output boosted supply voltage; and the timing controller controls switching the boost circuit from the start-up mode to the normal operation mode. In start-up mode, the regulated voltage is generated from the input power supply voltage. During normal operation mode, the regulated voltage is generated from the output boosted supply voltage. The circuitry performs a low-power start-up when the input power supply voltage is low, and maintains efficient low-power operation by driving the transistor to produce the output boosted supply voltage as the input power supply voltage decreases.