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可靠性测试

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立锜科技严格遵循 JEDEC 国际标准,执行产品及封装可靠性测试,确保产品在各种环境下依然保持卓越的稳定性与耐用性
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质量与可靠性
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可靠性测试项目

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Richtek 依据 JEDEC 标准,对新产品和新封装执行多项可靠性认证,以确保产品在各种环境下的稳定性与安全性
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产品可靠性
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<style>table.rwd-table {width: 100%;border-collapse: collapse;font-family: Arial, sans-serif;background: #fff;box-sizing: border-box;}table.rwd-table th,table.rwd-table td {padding: 16px;border: 0;vertical-align: top;font-size: 1rem;color: #33373E;line-height:1.5;}table.rwd-table th {background: #F5F6F8;font-weight: bold;font-size: 1rem;text-align: left;}table.rwd-table .border-bord {border-bottom: 2px solid #81858B;}table.rwd-table .border-solid {border-bottom: 1px solid #e0e0e0;}@media (max-width: 700px) {table.rwd-table, table.rwd-table thead, table.rwd-table tbody, table.rwd-table tr {display: block;width: 100%;}.rwd-table thead tr {display: none;}table.rwd-table tr {margin-bottom: 22px;border-bottom: 1px solid #e0e0e0;}table.rwd-table th, table.rwd-table td {display: block;width: 100%;padding: 12px;font-size: 1rem;}table.rwd-table th {font-size: 18px;}table.rwd-table td[data-label]::before {content: attr(data-label) ": ";color: #23272E;display: block;margin-bottom: 6px;}table.rwd-table td[data-label="Item"]::before{content: "";display: none;}table.rwd-table td[data-label="Description"]::before{content: "";display: none;}table.rwd-table td[data-label="Item"]{background: #F5F6F8;font-weight: 700; color:#33373E;}table.rwd-table .border-bord {border-bottom: 1px solid #e0e0e0;}table.rwd-table .border-solid {border-bottom: 1px solid #e0e0e0;}table.rwd-table .border-bord-m {border-bottom: 2px solid #81858B;}}</style><table class="rwd-table"><thead><tr><th>项目</th><th>说明</th><th class="border-bord-m">国际标准</th></tr></thead><tbody><tr><td data-label="Item" class="border-solid ">HTOL(高温工作寿命测试)</td><td data-label="Description" class="border-solid">模拟 IC 在高温长期通电下的失效概率,评估寿命和可靠性。</td><td data-label="International Standards" class="border-solid border-bord-m">JESD22-A108</td></tr><tr><td data-label="Item" class="border-solid">ESD(静电放电测试)</td><td data-label="Description" class="border-solid">评估 IC 对静电冲击的耐受能力,提高产品抗静电性能。<br>HBM:人体模型<br>CDM:带电器件模型</td><td data-label="International Standards" class="border-solid border-bord-m">JESD22-A114/C101, JS-001/002</td></tr><tr><td data-label="Item" class="border-bord">Latch-up(锁存效应测试)</td><td data-label="Description" class="border-bord">验证 IC 在异常电压或电流下是否产生锁存现象,确保产品安全性。</td><td data-label="International Standards" class="border-bord border-bord-m">JESD78</td></tr></tbody></table>
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封装可靠性
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<table class="rwd-table"><thead><tr><th>项目</th><th>说明</th><th class="border-bord-m">国际标准</th></tr></thead><tbody><tr><td data-label="Item" class="border-solid ">Preconditioning(预处理)</td><td data-label="Description" class="border-solid">模拟组装过程中的热/湿应力,对样品进行预处理。</td><td data-label="International Standards" class="border-solid border-bord-m">JESD22-A113, J-STD-020</td></tr><tr><td data-label="Item" class="border-solid">uHAST(无偏压高加速压力测试)</td><td data-label="Description" class="border-solid">评估封装在高温高湿环境下的可靠性和寿命(无电压偏压)。</td><td data-label="International Standards" class="border-solid border-bord-m">JESD22-A118</td></tr><tr><td data-label="Item" class="border-solid">TCT(温度循环测试)</td><td data-label="Description" class="border-solid">模拟温度剧烈变化对封装结构的影响。/td><td data-label="International Standards" class="border-solid border-bord-m">JESD22-A104</td></tr><tr><td data-label="Item" class="border-solid">HTST(高温存储测试)</td><td data-label="Description" class="border-solid">评估封装在长期高温存储下的稳定性。</td><td data-label="International Standards" class="border-solid border-bord-m">JESD22-A103B</td></tr><tr><td data-label="Item" class="border-bord">bHAST(高加速压力测试)</td><td data-label="Description" class="border-bord">评估封装在高温高湿有偏压条件下的可靠性。</td><td data-label="International Standards" class="border-bord border-bord-m">JESD22-A110</td></tr></tbody></table>
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产品可靠性

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1. HTOL(高温工作寿命测试)
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<style>.container {display: flex;align-items: center; margin: 0 auto;box-sizing: border-box;}.container p{padding-right:2rem;}.company-image {width: 251px;object-fit: cover;margin-right: 16px;flex-shrink: 0;}@media (max-width: 700px) {.container {flex-direction: column;align-items: center; }.container p{padding-right:0;}.company-image {display: block; margin: 0 auto 12px; width: 100%;height: auto;}}</style><div class="container"><div><p>一种模拟 IC 在高温长期通电条件下运行的测试,用于评估失效率、产品寿命及可靠性。HTOL 测试可确保器件在预期使用寿命期间,能够保持稳定的性能和可靠性。</p></div><img class="company-image" src="/content/dam/richtek-eds/resources/images/quality-and-reliability/Reliability Test 01.jpg" alt="Reliability Test"></div>
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2. ESD(静电放电测试)
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HBM(Human Body Model,人体模型)
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<div class="container"><div><p>用于模拟人体静电放电(ESD, Electrostatic Discharge)对电子器件可能造成的损害。HBM 测试主要评估半导体器件在遭受人体静电放电时的耐受能力,确保器件在实际操作或使用过程中不会因静电而损坏。</p></div><img class="company-image" src="/content/dam/richtek-eds/resources/images/quality-and-reliability/Reliability Test 02.jpg" alt="HBM(Human Body Model)"></div>
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CDM(Charged Device Model,带电器件模型)
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<div class="container"><div><p>用于模拟电子器件本身带电后,与接地物体接触时产生的静电放电现象。CDM 测试主要评估器件在制造、包装或组装过程中,由自身带电放电时的耐受能力。</p></div><img class="company-image" src="/content/dam/richtek-eds/resources/images/quality-and-reliability/Reliability Test 03.jpg" alt="CDM(Charged Device Model)"></div>
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3. Latch-Up(锁存效应测试)
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这是一种常见于CMOS(互补金属氧化物半导体)集成电路中的失效现象。当 IC 内部的寄生器件(如寄生双极型晶体管)被触发后,会形成一个低阻抗的导通通路,导致电源和地之间出现大电流,可能造成芯片损坏、功能异常,甚至烧毁。
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封装可靠性

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1. Preconditioning(预处理)
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模拟组装过程中的热应力与湿气应力,使样品经历实际制程条件,确保后续测试能够准确反映产品在实际应用中的性能表现。
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2. uHAST(Unbiased Highly Accelerated Stress Test,无偏压高加速压力测试)
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在高温高湿环境下不施加电压,快速加速产品老化。用于检验封装材料及结构的耐受性和可靠性。
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3. TCT(Temperature Cycling Test,温度循环测试)
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反复进行高低温循环,模拟产品在温度剧烈变化下的情况。用于检验封装结构及焊点的耐久性。
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4. HTST(High Temperature Storage Test,高温存储测试)
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长时间高温存储,评估产品的热稳定性。用于检验材料是否因高温老化而失效。
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5. bHAST(Biased Highly Accelerated Stress Test,高加速压力测试)
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在高温高湿环境下施加电压偏压,加速产品老化。用于检验产品在极端工作状态下的可靠性。
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