Bug #414: 电源板存在明显啸叫声 - LP11A - Neardi Redmine

Bug #414

电源板存在明显啸叫声

Added by mike almost 2 years ago. Updated about 1 year ago.

Status:

Closed

Priority:

Normal

Assignee:

Category:

H.W

Start date:

09/28/2023

Due date:

% Done:

0%

Estimated time:

型号:

LP11A

CPU:

RK3399Pro

产品:

扩展/功能板硬件版本:

核心板硬件版本:

01

底板/一体板硬件版本:

01

固件版本:

-

系统:

内核版本:

-

APP版本:

复现概率:

无线网卡:

以太网模组:

EMMC颗粒:

壳体版本:

#1

Updated by mike almost 2 years ago

型号 changed from KP11B to LP11A

#2

Updated by shiliang about 1 year ago

Status changed from New to Closed

更改DCDC电路的反馈电阻，由理想二极管后端改到前端，加大DCDC的输入电容

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