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Control method for improving dynamic response of switch power

專利號(hào)
US10097077B2
公開(kāi)日期
2018-10-09
申請(qǐng)人
SOUTHEAST UNIVERSITY（CN Nanjing）
發(fā)明人
Shen Xu; Chong Wang; Xianjun Fan; Weifeng Sun; Shengli Lu; Longxing Shi
IPC分類
G05F1/70; G05F1/00; A61B17/32; B41J2/00; H02M3/158; H02M1/08; G05B19/042; H02M1/00
技術(shù)領(lǐng)域
mode,module,voltage,pid,load,lth,vo,dynamic,htl,output
地域： Nanjing

摘要

A control method for improving dynamic response of switch power is based on a closed-loop control system comprising a sampling module, a dynamic control module, an error calculation module, a PID module, a mode control module, and a PWM module. The sampling module samples an output voltage Vo, and the dynamic control module compares the output voltage Vo with a set maximum voltage Vomax, a set minimum voltage Vomin, and a reference voltage Vref, so as to determine whether to adopt a dynamic mode. In the dynamic mode, when the output voltage Vo changes greatly, the output voltage Vo is rapidly restored to a stable voltage by inputting large power or small power.

說(shuō)明書

Kup Load Mode Ts/clk IP/A 0-3 ???5 Ω PWM 286 0.363 4-5 ???6 Ω PWM 286 0.286 6 ???7 Ω PFM 350 0.286 7 10-12 Ω PFM 513 0.286 8 12-15 Ω PFM 602 0.286 9 15-20 Ω PFM 961 0.286 10-? ???20 Ω- DPWM 1000 0.231

According to the equation

{

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