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Silergy SY6885BQDC
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- silergy SY6885BQDC
- Type
- SILERGY
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SILERGY
- Electronic Component
- SY6885BQDC
- Electronic Component
- 1
- Package
- QFN-16(3x3)
- Electronic Component
- Power Electronic Switch
- Electronic Component
- 0.133g
- Electronic Component
- 1
- Features
- Output
- Electronic Component
- BM0227537451
- Resistor
- 40mΩ
- Operating Temperature
- 40℃~+125℃
- Operating Voltage
- 4V~48V
- Electronic Component
- Electronic Component
- Electronic Component
- 5000
- Logic
- Level
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SY6885BQDC 产品概述
一、简介
SY6885BQDC 是硅力杰（silergy）推出的一款高性能电源负载开关，适用于宽电压范围系统的电源管理场景。器件支持 4V 至 48V 的工作电压，输入控制逻辑为“高电平有效”，集成软启动、输出放电及多重保护功能，提供可靠的上电管理与故障自保护能力，适合汽车电子、工业控制、通信设备与电源分配等应用。
二、主要特性
- 工作电压：4V ~ 48V，覆盖汽车与工业常见母线电压等级。
- 导通电阻：典型 40 mΩ，导通损耗低，适合较大电流传输。
- 控制逻辑：输入端高电平有效，易于与 MCU、PMIC 等数字控制器直接驱动。
- 软启动：内置上电限流功能，有效抑制电容性负载的冲击电流，避免系统复位。
- 输出放电：禁用时对输出进行下拉放电，保证快速释放下游电容，便于电源重置与安全隔离。
- 保护功能：具备过压保护（OVP）、过流保护（OCP）、过温保护（OTP）、欠压锁定（UVL），增强系统可靠性。
- 工作温度：-40°C ~ +125°C，适应严苛环境应用。
- 封装：QFN-16 (3x3)，小体积、利于高密度电路板设计。
三、功能优势与应用场景
- 降低热耗：40 mΩ 的低导通电阻显著降低导通功耗，使得在较高负载电流下仍可保持较低发热，有利于散热设计和系统可靠性。
- 可控上电/复位：软启动与输出放电组合，可实现平滑上电与明确的关断状态，适用于电源序列管理与模块化电源控制。
- 多重保护：内置 OVP/OCP/OTP/UVL 可在异常工况下自动保护系统，减少外部保护电路需求，缩短开发周期。
- 应用示例：汽车车载电源、工业控制模块、电信/网络设备、电源管理单元、便携设备的电源路径控制等。
四、设计与注意事项
- 电源旁路：建议在器件输入端与输出端各放置低 ESR 电解或陶瓷去耦电容，且尽量靠近器件引脚布置，以抑制瞬态变化与优化稳定性。
- 散热考虑：在高电流条件下，按 P = I^2·RDS(on) 估算功耗并结合 PCB 铜箔与过孔进行热扩散；必要时使用散热铜箔或增加散热通道。
- 控制信号：确保驱动端电平满足器件的逻辑阈值并避免在边缘条件下频繁翻转，以免触发误动作。
- 布局建议：QFN-16 (3x3) 封装应配合底部焊盘和多片过孔布局，以提高热导和电流承载能力，减小寄生阻抗。
五、包装与可靠性
- 封装形式：QFN-16 (3x3)，适合表面贴装自动化生产。
- 温度与可靠性：器件支持 -40°C 至 +125°C 工作温度，满足汽车级与工业级环境要求，配合合理的热设计可保证长期稳定工作。
综上所述，SY6885BQDC 以其宽电压范围、低导通损耗与完善的保护与控制功能，为需要可靠电源路径管理的系统提供了紧凑且高效的解决方案。若需更详细的电气参数、引脚定义和典型应用电路，请参考硅力杰官方数据手册。
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