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docs(x/x4): add FAQ on power-in header voltage (12V) - #1999

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tangzz-radxa:docs/x4-power-in-header-faq-600
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docs(x/x4): add FAQ on power-in header voltage (12V)#1999
tangzz-radxa wants to merge 1 commit into
radxa-docs:mainfrom
tangzz-radxa:docs/x4-power-in-header-faq-600

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Fixes #600

背景 / Background

Issue #600: 用户询问 Radxa X4 板载电源输入接口(Power In header)需要 5V 还是 12V。X4 的 FAQ 页面此前为空。

修改 / Changes

  • docs/x/x4/faq.md(中文): 新增 FAQ「板载电源输入接口需要多少伏电压?」
  • i18n/en/docusaurus-plugin-content-docs/current/x/x4/faq.md(English): Added FAQ "What voltage should be supplied to the on-board power-in header?"

依据 / Evidence

  • Radxa X4 V1.11 原理图(https://dl.radxa.com/x/x4/radxa_x4_v1.11_schematic.pdf)第 27 页:电源输入接口 J10 网络为 ADP12V_IN(12V),与 USB Type-C PD 12V 供电规格一致。
  • X4 准备页已写明推荐 USB Type-C PD(12V,≥2.5A),此处补充板载 Power In 接口的电压要求。

影响 / Impact

docs-only,无代码影响;消除用户在 5V/12V 之间的疑惑,避免供电不足导致启动异常。

Clarify that the on-board power-in header accepts 12V DC input,
consistent with the USB Type-C PD 12V spec. Addresses issue radxa-docs#600.
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Issue from x/x4/faq

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