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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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