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Silergy SY8370TMC
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- silergy SY8370TMC
- Type
- SILERGY
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SILERGY
- Electronic Component
- SY8370TMC
- Electronic Component
- 1
- Package
- QFN-13(3x4)
- Electronic Component
- DC-DC Power Supply IC
- Electronic Component
- 0.18g
- Electronic Component
- 1
- Features
- Built-in LDORegulator;;; Output
- Type
- Electronic Component
- Synchronous
- Electronic Component
- Electronic Component
- BM0230044242
- Operating Temperature
- 40℃~+85℃@(TA)
- Operating Voltage
- 4V~24V
- Switching Frequency
- 425kHz~575kHz
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SY8370TMC 产品概述
一、产品简介
SY8370TMC 是矽力杰（silergy）面向中高电流降压稳压应用设计的同步整流步降型开关电源控制器，支持宽输入电压范围 4V 至 24V，输出可调，内置功率开关管，典型等级为 10A（峰值可达 11A），开关频率在 425kHz～575kHz 之间，适用于对效率、瞬态响应与体积有较高要求的点对点供电与电源模块化设计。
二、主要特性
- 宽输入：4V ～ 24V，能够兼容单节锂电/多节电池和车载电源等场景。
- 高电流输出：单通道输出，连续输出能力接近 10A，短时可支撑到 11A。
- 同步整流：内置同步整流 MOSFET，减小导通损耗，提高中高负载效率。
- 低静态电流：静态工作电流约 140µA，利于提高空载/待机效率。
- 快速响应：设计注重负载瞬态响应，适合供给对电压纹波与瞬态有要求的数字负载。
- 开关频率：425kHz～575kHz，有利于在尺寸与效率之间取得平衡。
- 工作温度范围：-40℃ ～ +85℃（TA），满足一般工业级应用温度需求。
- 封装：QFN-13 (3x4)，利于紧凑 PCB 布局与热管理。
三、电气与功能说明
- 输出类型可调，通过外部分压电阻设定目标输出电压，便于多电压点设计。
- 内置高低侧开关管，减少外部器件数量与难度，简化电源模块化设计。
- 具备常见保护机制以提升系统可靠性（例如软启动、过流与过温等保护设计），在异常情况下保护负载与器件本体。
四、热设计与布局要点
- QFN-13 (3x4) 带较大底部散热焊盘，建议在 PCB 下方开铜热铺并通过多通孔导通至散热层，保证持续大电流工作时的热稳定性。
- 输入电容靠近芯片 VIN 与 GND 引脚铺设以抑制开关噪声，输出电感与输出电容需选用低 ESR 元件并满足电流额定值（建议电感额定电流 ≥ 11A）。
- 布局时注意将高电流回路（输入电容、开关管、二极管/同步回路与电感）做最短闭合路径，控制走线阻抗与寄生感抗，改善效率与电磁兼容特性。
五、典型应用场景
- 工业控制与自动化模块的主电源或点对点分配电源。
- 通信设备、网络设备的核心供电或子模块供电。
- 车载电子、便携电源及电池供电系统（在满足工作电压与温度条件下）。
- 嵌入式主板、FPGA/CPU/ASIC 电源前端的降压转换器。
六、设计建议
- 根据负载动态和稳态电流选配输出电感与电容，优先选择高纹波电流能力与低 ESR 器件。
- 调整分压网络精确设定输出电压并考虑补偿网络以保证环路稳定性与快速瞬态响应。
- 在高功率应用中配合 PCB 散热措施与热量评估，必要时增加散热铜箔或散热片。
SY8370TMC 以其宽输入、电流能力和内部集成化设计，适合追求高效率、快速响应和紧凑布局的降压电源方案，是中高功率点对点和模块化电源设计的实用选择。
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