A small DC UPS, designed to keep small appliances like consumer network equipment running during power outages

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Part NumberDescription
BQ40z50-R2
BQ24715
TPS61178x
SY8120B1ABC
ESP32-WROOM-32ERF Module, ESP32-D0WD-V3 SoC, without PSRAM, Wi-Fi 802.11b/g/n, Bluetooth, BLE, 32-bit, 2.7-3.6V, onboard antenna, SMD
LAN8720A
74HC595
SY8105
CH340C
N066-6448TSWEG03-H28
SRV05-4

dc usv schematic

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