Patent ID: 11876513
Assignee: HIMAX TECHNOLOGIES LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 13:
14. The low power consumption boost circuit of claim 1, further comprising:
a third DAC, wherein the input terminal and the ground terminal are connected to the third DAC to supply power to the third DAC, wherein the ground terminal and the negative output terminal are connected to the second DAC to supply power to the second DAC, wherein an absolute value of the negative output voltage is equal to an absolute value of the system voltage; and
a third switch connected between the third DAC and the touch circuit, wherein the third DAC is connected between the charge pump circuit and the third switch;
wherein the touch circuit is alternately driven through the first DAC, the second DAC and the third DAC by controlling the first switch, the second switch and the third switch to switch on alternately.