发明名称 |
HYBRID PARALLEL REGULATOR AND POWER SUPPLY COMBINATION FOR IMPROVED EFFICIENCY AND DROOP RESPONSE WITH DIRECT CURRENT DRIVEN OUTPUT STAGE ATTACHED DIRECTLY TO THE LOAD |
摘要 |
Operational mode changes in a system-on-a-chip (SoC) integrated circuit in a complex device such as a mobile phone cause spikes in current demand which can cause voltage droops that disrupt operation of the SoC. A hybrid parallel power supply connects a switching-mode power supply and a low-dropout voltage regulator in parallel to provide high efficiency and fast response times. Integration of the voltage regulator on the SoC reduces parasitic impedance be between the voltage regulator and the load to aid in reducing voltage droops. The switching-mode power supply and the low-dropout voltage regulator can regulate their outputs to slightly difference voltage levels. This can allow the switching-mode power supply to supply most of the SoC's current demands. |
申请公布号 |
WO2016105723(A1) |
申请公布日期 |
2016.06.30 |
申请号 |
WO2015US61630 |
申请日期 |
2015.11.19 |
申请人 |
QUALCOMM INCORPORATED |
发明人 |
DOYLE, JAMES THOMAS;FU, ZHENGMING;MAHMOUDI, FARSHEED;SHAYAN ARANI, AMIRALI;DARBANIAN, NAZANIN |
分类号 |
G05F1/575;H02M3/158 |
主分类号 |
G05F1/575 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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