20260911-0254-esp32h2-air-switch-evaluation Evaluate ESP32-H2-MINI-1-H4S for the Air Switch

• status: completed
• priority: P2
• owner: product-spec/session-20260911-0254
• createdAt: 2026-09-11 02:54

Description

The user asked to consider the Espressif ESP32-H2-MINI-1-H4S module for the Air Switch and to capture the result as a document. Assess the module against the Air Level 1 requirements and the supplier guide battery/timing budgets, then record the outcome as a product-level evaluation document without changing the current nRF54L15 recommendation.

ActiveForm

Delivered bizplan/product/switch/P05-air-switch-esp32h2-evaluation.md: datasheet facts, requirement-by-requirement comparison, three blocking issues for the CR2450 form factor, the NFC commissioning gap, the Gateway and non-coin-cell use cases, and the measured evidence required to reopen the choice at D0.

Dependencies

• blocked by: (none)
• blocks: (none; the platform choice stays governed by supplier-guide gate D0 and open items O-01/O-02)

Notes

• Standard tier: one new product document plus the product index row. No change to P05-air-switch.md, P05-air-switch-design.md or P05-air-supplier-guide.md; the recommended baseline is still nRF54L15.
• Datasheet values verified against Espressif documentation on 2026-09-11: 3.0 V minimum supply, 0.35 A peak supply capability, 7 uA deep sleep, 25 mA BLE RX, no NFC, TWAI is treated as Classical CAN pending written confirmation.
• Blocking findings for a CR2450 Air: the supply floor sits above most of the cell discharge curve, the peak-current requirement forces a large reservoir whose leakage competes with the 15.22 uA three-year budget, and deep sleep alone consumes 46 percent of that budget.
• Recorded as an evaluation, not a selection. Any reversal requires the measured evidence listed in section 7 of the document.