GPS power supply circuit and wearable device

Abstract

The utility model discloses a GPS power supply circuit and wearable equipment, and the circuit includes GPS circuit, main control circuit, main power supply circuit, first power supply circuit, second power supply circuit, main power supply circuit is connected with main control circuit, GPS circuit, first power supply circuit, second power supply circuit electricity respectively, main control circuit still is connected with GPS circuit, first power supply circuit, second power supply circuit electricity respectively, main control circuit is used for controlling first power supply circuit, second power supply circuit is connected with GPS circuit electricity respectively, and GPS circuit includes first input circuit, second input circuit, third input circuit, fourth input circuit and GPS chip. Main control circuit carries out power supply control through the input level signal to first power supply circuit, second power supply circuit, and can utilize the clock of self in time and open and close third power supply, not only has reduced the cost, but also has improved the product's endurance time, has solved the power supply of existing wearable equipment and has the problem that the cost is high, and endurance time is short.

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