Board-dat/OPM/OPM1003-dat/2024-01-31-15-54-16.png
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Board-dat/OPM/OPM1003-dat/OPM1003-dat.md
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@@ -47,6 +47,8 @@ This module can be used in voltage reduction fields where the input voltage is h
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### Functions
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+![](2024-01-31-15-54-16.png)
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+
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![](2024-01-31-15-46-33.png)
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### Testing
Board-dat/OPM/OPM1146-dat/2024-01-31-15-57-14.png
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Board-dat/OPM/OPM1146-dat/OPM1146-dat.md
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@@ -0,0 +1,42 @@
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+
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+# OPM1146-dat
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+
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+https://www.electrodragon.com/product/1-3-series-lithium-lilifepo4-battery-charger/
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+
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+legacy wiki page - https://www.electrodragon.com/w/Battery_Charge
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+
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+
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+
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+## Resistor divider for feedback:
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+
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+- Please notice default Rvfb is 3.3K.
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+- Change Vfb resistor to set this stop voltage
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+- All the rest SMD resistors are included in the package.
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+- Supply VCC should be +2V > Vbat
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+
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+
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+## Board Functions
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+
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+![](2024-01-31-15-57-14.png)
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+
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+![](2024-01-31-15-58-09.png)
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+
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+| Charge Target | Regulation Voltage | Rv_fb voltage feedback resistor selection |
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+| ------------------------ | ------------------ | ----------------------------------------- |
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+| LIFEPO4 1 Series | 3.6V | 28.7K |
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+| LIFEPO4 2 Series | 7.2V | 7.5K |
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+| LIFEPO4 3 Series | 10.8V | 4.02K |
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+| Lithium ion Li+ 1 Series | 4.2V | 19.1K |
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+| Lithium ion Li+ 2 Series | 8.4V | 5.76K |
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+| Lithium ion Li+ 3 Series | 12.6V | 3.3K |
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+
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+
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+## Demo
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+
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+- A rough testing here, more tutorial can google or please email us.
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+- https://twitter.com/electro_phoenix/status/988636991171452930
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+
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+
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+## ref
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+
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+- [[CN3722-dat]]
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Chip-cn-dat/CONSONANCE-dat/CN3722-dat/CN3722-dat.md
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@@ -1,7 +1,7 @@
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# CN3722-dat
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-
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+http://www.consonance-elec.com/seriesCN3722-E.html
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## ref
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