CONSTANT-POWER PURE SINE WAVE OUTPUT CIRCUIT, DEVICE AND POWER SUPPLY SYSTEM
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United States of America Patent
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Issued Date -
Aug 22, 2024
app pub date -
Dec 29, 2023
filing date -
Feb 17, 2023
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Abstract
Provided are a constant-power pure sine wave output circuit, a device, and a power supply system. The circuit includes an AC-DC module, a charging module, a DC-DC boost module, a DC-AC output module, and an MCU module. The AC-DC module is electrically connected to the DC-DC boost module through the charging module, and the DC-DC boost module is electrically connected to the DC-AC output module. The MCU module is electrically connected to both the AC-DC module and the charging module. When there is a power outage, the first DC signal output by the AC-DC module will be lower than the preset DC threshold value, and the MCU module controls the charging module to transmit the second DC signal to the DC-DC boost module. Therefore, the circuit is capable of avoiding subsequent power outages, improving power supply stability, and meeting the requirements of applications with higher lighting demands.
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