Introduction and Assistance Inquiry
0:14
Determining greeting necessity.
0:11
Reviews
Power Management Board
Properties
1S Li-ion/LiPo with NTC support
9-18V DC primary input; 5V USB-C auxiliary sink input
Default charger mode is USB500; charge current set by R7=1.8k to about 494mA; termination target about 50mA with R12=3k; charger current is intentionally conservative because USB and barrel share the same charger-input OR-ing node
LCSC, Digi-Key, Mouser
5V main rail up to 2A from buck; 3.3V battery-backed rail from charger OUT
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Arrow | $0.41–$1.41 |
Digi-Key | $0.53–$1.28 |
LCSC | $4.84–$5.01 |
Mouser | $1.50 |
TME | $1.19 |
Verical | $0.33–$1.32 |
Controls
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