The utility model provides a pair of go up electric watchdog circuit, include: first chip, the EN pin of second chip is connected with the PG pin of first chip, the PG pin of second chip is connectedwith the EN pin of third chip, fourth chip and the 5th chip respectively, the CT pin of six -core piece passes through electric capacity C1 ground connection, the input of the 8th chip is connected with the SW pin of first chip, the SW pin of second chip, the SW pin of third chip, the SW pin of fourth chip and the SW pin of the 5th chip respectively, the input of seven -core piece is connected with the output of the 8th chip and the senseout pin of six -core piece respectively, and the output of seven -core piece is connected with the EN pin of second chip, and the output and the input of seven -core piece of seven -core piece are connected, the input and the output of seven -core piece of the 9th chip are connected, and the output of the 9th chip is connected with the sense pin of six -core piece. The beneficial effect of the utility model as follows: low cost, electric time interval on adjustable delay time and each the way power.