Power gating circuit
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United States of America Patent
Stats
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May 30, 2023
Grant Date -
Nov 24, 2022
app pub date -
May 18, 2022
filing date -
May 19, 2021
priority date (Note) -
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Abstract
A power gating circuit includes inverters and a voltage divider sub-circuit, a latch comparator, and a gated switch sub-circuit connected to an external power supply circuit of 5V, respectively. The voltage divider sub-circuit is configured to divide a voltage of 5V and output a first voltage and a second voltage to the latch comparator and the gated switch sub-circuit, both voltage values of the first voltage and the second voltage are smaller than a withstand voltage value of a field effect transistor, and the voltage value of the first voltage is greater than that of the second voltage; the latch comparator is configured to compare two signals output by the inverters and latch a comparison result; and the gated switch sub-circuit is further connected with the latch comparator to control an output voltage, thereby improving the stability of the circuit, and extending the using life of the entire circuit.
First Claim
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- 15 United States
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Patent Owner(s)
- IPGOAL MICROELECTRONICS (SICHUAN) CO., LTD.
International Classification(s)
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- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Yang, Baoding | Sichuan, CN | 5 | 40 |
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