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Silergy SY8493FCC
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- silergy SY8493FCC
- Type
- SILERGY
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SILERGY
- Electronic Component
- SY8493FCC
- Electronic Component
- 1
- Package
- SO-8-E
- Electronic Component
- DC-DC Power Supply IC
- Electronic Component
- 0.2g
- Electronic Component
- 1
- Type
- Electronic Component
- Synchronous
- Electronic Component
- Electronic Component
- BM0228973224
- Operating Temperature
- 40℃~+85℃@(TA)
- Operating Voltage
- 4.5V~60V
- Switching Frequency
- 100kHz~500kHz
- Electronic Component
- Electronic Component
- Output Current
- 3A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SY8493FCC 产品概述
一、产品简介
SY8493FCC 是矽力杰（silergy）推出的一款高效率降压型开关稳压器，输入电压范围宽广（4.5V ~ 60V），适用于工业、车辆与通讯等需要耐高压输入的场景。器件为单通道可调输出、内置开关管的降压拓扑，最高输出电流可达 3A，静态电流仅 100µA，适合对待机功耗有严格要求的系统。
二、主要性能特点
- 宽输入电压：4.5V ~ 60V，支持常见12V、24V、48V工况及瞬态耐受能力。
- 输出电流：最高 3A，适合中功率点供电。
- 开关频率：可在 100kHz ~ 500kHz 范围工作，便于在体积与效率之间进行权衡。
- 非同步整流：器件不带同步整流，需要外接肖特基整流二极管。
- 低静态电流：Iq ≈ 100µA，有利于低功耗或待机应用。
- 工作温度：-40℃ ~ +85℃（TA），适用工业级环境。
- 输出类型：可调输出，便于适配不同系统电压需求。
- 封装：SO-8-E，利于散热与 PCB 布局。
三、典型应用场景
适合汽车电子（辅助电源、车载模块）、工业控制与通信基站（24V/48V）、分布式能源与电池管理系统、以及对高压输入和小体积要求并重的电源模块。
四、关键电气设计要点
- 非同步设计要求使用低 Vf、快速恢复的肖特基二极管，二极管额定电流应大于输出电流并考虑峰值应力。
- 开关频率选择：较高频率可减小电感与电容尺寸，但会增加开关损耗，需在效率与体积间权衡。
- 输出滤波：选择低 ESR 电解或固态电容以降低输出纹波并提升瞬态响应。
- 电感选型：需保证电感饱和电流高于最大输出电流、低 DCR 以减少铜损。
五、封装与引脚提示
SO-8-E 封装有利于散热，建议在 PCB 设计时为地与功率引脚留出充足铜箔面积并使用热沉焊盘或过孔增强散热。具体引脚定义（如 VIN、SW、FB、EN、GND 等）请参照官方数据手册。
六、布局与散热建议
- 输入电容、肖特基二极管与器件 VIN、SW 引脚保持最短回路路径以降低 EMI。
- 输出电容靠近 FB/输出节点放置，减小闭环相位误差。
- 将大面积铜箔连接到器件底部散热引脚，并使用多颗过孔铺设至内层或底层散热层，提升热阻能力。
- 在高输入或高输出功耗工况下评估器件结温，必要时增加散热器或改进 PCB 散热策略。
七、可靠性与注意事项
在高输入电压或高压纹波场合，注意输入限流与浪涌保护；为保证长期可靠性，应考虑元件额定余量、工作温升及环境湿热影响。调试阶段建议测量温升、效率、输出纹波与瞬态响应，以验证系统级性能。
八、结语与获取资料
SY8493FCC 以其 60V 宽电压输入、3A 输出能力与低静态电流特性，适合多种工业与车规级电源设计。欲获取完整电气规格、典型应用电路与引脚图，请参考矽力杰官方数据手册或联系销售获取样片与设计资料。
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