55 lines
2.3 KiB
PHP
55 lines
2.3 KiB
PHP
<?php
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namespace Database\Seeders;
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use App\Models\GlossaryTerm;
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use Illuminate\Database\Seeder;
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class GlossaryTermSeeder extends Seeder
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{
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public function run(): void
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{
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$terms = [
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[
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'term' => 'PD (Power Delivery)',
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'slug' => 'pd-power-delivery',
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'definition' => 'USB Power Delivery 协议，通过 USB-C 接口传输最高 240W (48V/5A) 的电力，支持双向供电和智能功率协商。',
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'aliases' => 'USB PD, Power Delivery, 快充协议',
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'category' => '协议',
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],
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[
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'term' => 'PHY (物理层)',
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'slug' => 'phy-physical-layer',
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'definition' => 'PHY 是物理层（Physical Layer）的缩写，负责数据的物理传输，包括信号编码、调制解调、阻抗匹配等功能。',
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'aliases' => 'Physical Layer, 物理层收发器',
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'category' => '硬件',
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],
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[
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'term' => 'PPS (可编程电源)',
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'slug' => 'pps-programmable-power-supply',
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'definition' => 'PPS 是 USB PD3.X 中的可编程电源模式，允许在 3.3V 到 21V 范围内以 20mV 步进调整输出电压，实现更高效的直充方案。',
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'aliases' => 'Programmable Power Supply',
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'category' => '协议',
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],
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[
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'term' => 'BC1.2',
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'slug' => 'bc1-2',
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'definition' => 'Battery Charging Specification 1.2，USB-IF 制定的电池充电规范，定义了 DCP（专用充电口）、CDP（充电下行口）和 SDP（标准下行口）三种充电模式。',
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'aliases' => 'Battery Charging 1.2',
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'category' => '协议',
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],
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[
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'term' => '同步整流',
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'slug' => 'synchronous-rectification',
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'definition' => '同步整流是用 MOSFET 替代肖特基二极管进行整流的技术，可大幅降低整流损耗，提升转换效率至 95% 以上。',
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'aliases' => 'Synchronous Rectification, SR',
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'category' => '硬件',
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],
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];
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foreach ($terms as $item) {
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GlossaryTerm::firstOrCreate(['slug' => $item['slug']], $item);
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}
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}
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}
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