Boost converter suitable for TEG energy collection

The invention relates to the field of integrated circuits, and discloses a boost converter suitable for TEG energy harvesting, which comprises a maximum power point tracking circuit, a zero current monitoring circuit and a low-voltage starting circuit, and is characterized in that the low-voltage starting circuit comprises a charge pump circuit, a clock circuit, a large duty ratio circuit and a voltage multiplying circuit; the maximum power point tracking circuit comprises a comparator, a counter, a shift register, a ring oscillator, a duty ratio modulation circuit and a sampling circuit. The zero current monitoring circuit comprises a comparator, a falling edge detection circuit and a trigger, and the boost converter suitable for TEG energy collection adopts a substrate bias technology, so that the threshold voltage of a tube is effectively reduced, the working speed of the tube is improved, and the transmission speed of charges and the step-up ratio of the circuit are improved. 本发明涉及集成电路领域，且公开了一种适用于TEG能量收集的