grabowski
e7a23a3c7e
STM32G474RB firmware for solar buck converter with MPPT, CC control, Vfly compensation, and adaptive deadtime. Includes Textual TUI debug console for real-time telemetry, parameter tuning, and SQLite logging. Added pyproject.toml for uv: `cd code64 && uv run debug-console` Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
import csv
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import re
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I = 45.0 # A
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def parse_rds(s):
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m = re.match(r'([\d.]+)\s*mOhm', s)
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if m:
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return float(m.group(1)) * 1e-3
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return None
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def parse_price(s):
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try:
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return float(s)
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except:
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return None
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results = []
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with open(r'C:\Users\janik\Downloads\single_fets__mosfets.csv', 'r', encoding='utf-8-sig') as f:
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reader = csv.reader(f)
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header = next(reader)
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for row in reader:
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if len(row) < 25:
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continue
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part = row[3].strip()
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mfr = row[4].strip()
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price = parse_price(row[8].strip())
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vdss = row[16].strip()
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rds_str = row[19].strip()
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qg_str = row[21].strip()
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pkg = row[30].strip()
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rds = parse_rds(rds_str)
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if rds is None:
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continue
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p_cond = I * I * rds
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# Extract Qg for reference
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m = re.match(r'([\d.]+)\s*nC', qg_str)
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qg_nc = float(m.group(1)) if m else 0
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fom = price * rds * 1e3 # $ * mOhm
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results.append({
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'part': part,
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'mfr': mfr,
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'vdss': vdss,
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'rds_mohm': rds * 1e3,
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'p_cond': p_cond,
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'price': price,
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'fom': fom,
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'pkg': pkg,
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})
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results.sort(key=lambda x: x['fom'])
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print(f"MOSFET FOM = Price($) x Rds(on)(mOhm) [lower is better] | P_cond @ {I:.0f}A")
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print(f"{'='*115}")
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print(f"{'#':>3} {'Part Number':<28} {'Mfr':<15} {'Vdss':>6} {'Rds':>7} {'Price':>7} {'FOM':>8} {'P_cond':>7} {'Package':<20}")
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print(f"{'':>3} {'':28} {'':15} {'':>6} {'mOhm':>7} {'$':>7} {'$*mOhm':>8} {'W':>7}")
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print(f"{'-'*115}")
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for i, r in enumerate(results):
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print(f"{i+1:>3} {r['part']:<28} {r['mfr']:<15} {r['vdss']:>6} {r['rds_mohm']:>7.2f} {r['price']:>7.2f} {r['fom']:>8.2f} {r['p_cond']:>7.2f} {r['pkg']:<20}")
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