| 摘要 |
An optimized battery usage circuit for a comprehensive system-on-a-chip includes a first DC-to-DC converter operable to convert a battery voltage into a supply voltage when an alternate power source is not coupled to the comprehensive system-on-a-chip. A second DC-to-DC converter is operable to convert an alternate power source voltage into the supply voltage when the alternate power source is coupled to the comprehensive system-on-a-chip.
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