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MPS MPQ9840GLE-AEC1-Z
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MPS MPQ9840GLE-AEC1-Z
- Type
- MPS
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MPS
- Electronic Component
- MPQ9840GLE-AEC1-Z
- Electronic Component
- 1
- Package
- QFN-16(3x4)
- Electronic Component
- DC-DC Power Supply IC
- Electronic Component
- 0.056g
- Electronic Component
- 1
- Features
- Frequency Synchronous
- Type
- Electronic Component
- Synchronous
- Electronic Component
- Electronic Component
- BM0257062541
- Operating Temperature
- 40℃~+125℃@(TJ)
- Operating Voltage
- 3.3V~36V
- Switching Frequency
- 350kHz~2.5MHz
- 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.
MPQ9840GLE-AEC1-Z 产品概述
一、产品简介
MPQ9840GLE-AEC1-Z 是一款来自 MPS 的高集成降压型同步整流 DC-DC 变换器，适用于广泛的工业与车规级电源应用。器件集成高边/低边开关管，工作电压范围宽（3.3V 至 36V），输出可调至 0.8V~36V，最大输出电流可达 3.5A。器件在高效率与低静态功耗之间取得平衡，静态电流仅 14µA，适合对待机功耗敏感的系统。
二、主要特性
- 输入电压：3.3V ~ 36V，适配汽车与工业总线输入。
- 输出范围：可调 0.8V ~ 36V，单通道降压拓扑。
- 最大输出电流：3.5A（连续负载能力）。
- 开关频率：350kHz ~ 2.5MHz，自由选择以优化效率与器件尺寸。
- 同步整流：集成同步整流 MOSFET，提高转换效率并降低功耗。
- 轻载高效模式：提升轻载下系统效率，延长电池/待机寿命。
- 频率同步：支持外部时钟同步，便于多相或多电源系统抗干扰和 EMI 管理。
- 可调软启动：限制输入浪涌、控制输出斜率，减少启动时的电压冲击。
- 过流保护与打嗝限流：短路与过载时进入打嗝式限流模式，自动恢复，保护器件与负载。
- 工作状态指示（Power-Good）：方便系统上电序列与监控。
- 工作温度：-40°C ~ +125°C (Tj)，满足严苛环境要求。
三、电气规格与封装
- 静态电流 Iq：14µA（典型），适合低功耗待机设计。
- 开关管：内置高效开关 MOSFET，简化外部器件选择。
- 封装：QFN-16 (3 mm × 4 mm)，小体积便于高密度布局。
- 拓扑：降压型单通道，适配点对点与局部轨供电设计。
四、优势与典型应用
- 优势：宽输入电压、高集成度、低静态功耗与可调高频工作点，使该器件在体积、热管理与效率之间拥有优异平衡。频率同步与轻载高效模式为多模块系统与电源管理方案提供灵活性。
- 典型应用：车载电子（车规总线电源）、工业控制与测量、便携仪器、分布式供电模块、嵌入式系统主/从电源。
五、设计注意事项
- PCB 布局：尽量缩短开关节点（SW）、输入电容与回流路径的环路，输出电容靠近 VIN/GND 与 SW 节点放置以降低 EMI。
- 电感与电容选择：根据开关频率与纹波要求选择低 DCR 电感与低 ESR 陶瓷电容；高频工作时注意器件的热耗散。
- 热管理：QFN 底部大焊盘需良好打铜与热过孔，以提升散热能力并确保持续大电流输出。
- 保护与测试：建议在原型验证阶段测试不同负载与短路情形，确认打嗝限流与软启动策略满足系统需求。
MPQ9840GLE-AEC1-Z 在小封装下提供高效率、灵活的电源调节能力，适合对可靠性、效率与尺寸有严格要求的现代电子系统。
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