High-side driving circuit
The embodiment of the invention provides a high-side driving circuit. The high-side driving circuit comprises a high-side power tube; the forward clamping sub-circuit is connected between the grid electrode and the source electrode of the high-side power tube, and the voltage between the grid electr...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The embodiment of the invention provides a high-side driving circuit. The high-side driving circuit comprises a high-side power tube; the forward clamping sub-circuit is connected between the grid electrode and the source electrode of the high-side power tube, and the voltage between the grid electrode of the high-side power tube and the source electrode of the high-side power tube can be clamped by adopting adjustable clamping voltage; the high-side power supply supplies power to the forward clamping sub-circuit and the high-side power tube respectively; one end of the forward switching tube is connected with the forward clamping sub-circuit and the grid electrode of the high-side power tube, the other end of the forward switching tube is connected with a high-side power supply, and the forward switching tube is switched on when the high-side power tube is switched on and controls the forward clamping sub-circuit to work when the high-side power tube is switched on. According to the high-side driving circuit |
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