Patent ID: 11966245
Assignee: FOCALTECH ELECTRONICS (SHENZHEN) CO., LTD.
Field: Control (Instruments)
Classification: CPC G  H | IPC G

Claim 4:
5. The low power consumption power supply system according to claim 4,
wherein the current generating circuit comprises a third NMOS tube, a second PMOS tube, a third PMOS tube, a fourth NMOS tube, and a fifth NMOS tube;
wherein a source of the third NMOS tube is connected to the source of the second NMOS tube, a gate of the third NMOS tube is connected to a drain of the third NMOS tube, and the drain of the third NMOS tube is also connected to a drain of the second PMOS tube,
wherein a source of the second PMOS tube is connected to the first power source, a gate of the second PMOS tube is connected to the drain of the first NMOS tube, and a gate of the second PMOS tube is also connected to a gate of the third PMOS tube, a source of the third PMOS tube is connected to the first power source, a drain of the third PMOS tube is connected to a drain of the fourth NMOS tube, and wherein
a gate of the fourth NMOS tube is connected to the gate of the third NMOS tube, a source of the fourth NMOS tube is connected to a drain of the fifth NMOS tube, a source of the fifth NMOS tube is grounded, and a gate of the fifth NMOS tube is connected to the reference voltage output terminal.