Resistor divider picker for DCDC/LDO applications
Project description
Resister picker
Power Divider Resistor picker
usage: resistor_divider_picker.py [-h] --vout VOUT --vfb VFB [--rmin RMIN] [--rmax RMAX] [--series {E24,E12,E96}]
🔧 自动从标准阻值中选出最合适的电阻对用于DCDC分压反馈。
options:
-h, --help show this help message and exit
--vout VOUT Target output voltage (e.g. 3.3)
--vfb VFB FB voltage of DCDC IC (e.g. 0.8)
--rmin RMIN Minimum resistor value (default 1k)
--rmax RMAX Maximum resistor value (default 1M)
--series {E24,E12,E96}
Resistor series to use
示例:
respick --vout 3.3 --vfb 0.8 --series E24
respick --vout 5 --vfb 1.25 --rmin 1000 --rmax 100000 --series E12
说明:
R1接在输出与FB之间,R2接在FB与GND之间
输出电压 Vout = Vfb * (1 + R1/R2)
- 本地测试
python -m respick --vout 3.3 --vfb 0.6
- 本地安装
pip install -e .
- 本地cli终端测试
respick --vout 1.8 --vfb 0.6 --series E24
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