Power Efficiency
Sleep Current Budget for Wearable CGM Companion Pods
Microamp accounting model with sensor poll cadence tradeoffs for plastic-over-molded pods.
₩13,800,000 · 3-week study
Overview
Balances radio duty cycles against analog front-end warm-up, including a spreadsheet that tolerates late-stage BOM swaps without breaking totals.
What is inside
- Leakage inventory tabs for GPIO vs analog switches
- Brownout detector hysteresis notes
- Fuel-gauge calibration drift appendix
- Charging dock quiescent draw checklist
- OTA slot power caps
- Accelerometer wake sensitivity ladder
- Supplier questionnaire for PMIC idle modes
Outcomes
- Single-sheet view executives can read without JTAG knowledge
- Fewer surprises when mechanical teams tighten tolerances
- Clear escalation path when a vendor updates silicon errata
Responsible editor
Eun Bi Choi
Power architect for coin-cell and LiPo wearables.
FAQ
Primarily LiMnO2 and LiPo; silver-oxide notes are indicative only.
Field notes
The brownout appendix stopped a pointless argument between ME and FW.