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feat(V4B): V4.29 — C_eff 标定定稿 68 (0Ω板低频档) + 硬件疑点闭环

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硬件修复(用户): 拨码三极管 5.1K→0Ω → 第二颗33nF真正并联
0Ω板低频档实测: 52k/136µH→C_eff=68.9; 127k/23µH→68.3; 88k/48µH→68.1 (均值68.4≈名义66)
→ V4.28 的 43nF 为 5.1K 旧板带病特性(三极管未饱和导通, 并联只等效+8.6nF), 作废
改动: COIL_CAL_C_NF 43→68; 33nF档标定34(旧板)待0Ω板复测
验证: 68 回代残差 ≤1.5% (52k→138vs136; 127k→23vs23; 88k→48vs48)
文档: devlog V2.27 / spec V2.8 / design doc v0.6
This commit is contained in:
wangfq
2026-09-03 14:13:08 +08:00
parent 5c8a425da1
commit ac3fda09e2
6 changed files with 56 additions and 11 deletions
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utilities/at32f421_freertos_demo/inc/cmcng.h
+2 -2
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@@ -14,10 +14,10 @@
#define __CMCNG_H__
#define PRODUCT_MODEL "DLD154"
#define FIRMWARE_VER "4.28"
#define FIRMWARE_VER "4.29"
#define HARDWARE_VER "3.00"
#define FIRMWARE_VER_MAIN 4
#define FIRMWARE_VER_SUB 28
#define FIRMWARE_VER_SUB 29
#define HARDWARE_VER_MAIN 3
#define HARDWARE_VER_SUB 0