Avalanche energy measuring circuit and avalanche energy measuring equipment

The utility model provides an avalanche energy measuring circuit and measuring equipment. Wherein the avalanche energy measuring circuit comprises a generating circuit, an integrating circuit and a calculating circuit, and the generating circuit enables a tested device to generate avalanche breakdown so as to enable the tested device and the generating circuit to form a discharge loop; the integrating circuit collects voltage and current of the tested device in the discharging process of the discharging loop, performs first integrating operation on the voltage and the current to obtain a first integrating operation result, and performs second integrating operation on the current to obtain a second integrating operation result; the calculation circuit calculates the first integral operation result, the second integral operation result and the equivalent resistance of the generation circuit according to an energy calculation formula after the discharge of the discharge loop is completed so as to obtain the aval