Charge pump circuit
AssigneeToyota Jidosha Kabushiki Kaisha
InventorShinsuke Aoyagi
Life of this patent
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Abstract
A charge pump circuit includes: a charging stand; a battery connected in series with the charging stand; a first capacitor connected in parallel with the charging stand; a reactor and a second capacitor connected in series and connected in parallel with the charging stand; first, second, fifth, and sixth FETs connected to the charging stand; third and fourth FETs connected in series and connected in parallel with the charging stand; third and fourth capacitors connected in series and connected in parallel with the charging stand; and a control unit. Further, the control unit performs a boosting ratio 1.5 times mode by performing a boosting ratio 1 time mode and a boosting ratio 2 times mode in a predetermined order.
Claims14
A charge pump circuit comprising:
- a charging stand;
- a battery connected in series with the charging stand;
- a first capacitor connected in parallel with the charging stand;
- a reactor and a second capacitor connected in series with each other and connected in parallel with the charging stand;
- a first FET, a second FET, a fifth FET, and a sixth FET connected to the charging stand;
- a third FET and a fourth FET connected in series with each other and connected in parallel with the charging stand;
- a third capacitor and a fourth capacitor connected in series with each other and connected in parallel with the charging stand;
- and
- a control unit, wherein
- the control unit
- performs a boosting ratio 1.5 times mode by performing a boosting ratio 1 time mode and a boosting ratio 2 times mode in a predetermined order;
- and
- performs arbitrary boosting between boosting ratios of 1 to 2 times by performing the boosting ratio 1.5 times mode and the boosting ratio 1 time mode in a predetermined order, or performing the boosting ratio 1.5 times mode and the boosting ratio 2 times mode in a predetermined order.
Dependencies are inferred from the claim text.