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ST VNH7100ASTR
Configuration
1 options
Configuration
23+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ST(STMicroelectronics) VNH7100ASTR
- Type
- ST
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ST(STMicroelectronics)
- Electronic Component
- VNH7100ASTR
- Electronic Component
- 1
- Package
- SO-16
- Electronic Component
- Brushed DC Motor Driver IC
- Electronic Component
- 0.298g
- Electronic Component
- 1
- Integrated FET
- Electronic Component
- Features
- Current Sampling
- Electronic Component
- BM0258670264
- Resistor
- 100mΩ
- Operating Temperature
- 40℃~+150℃
- Operating Voltage
- 4V~28V
- Output Current
- 15A
- Static Current(Iq)
- 1uA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
VNH7100ASTR 产品概述
一、简介
VNH7100ASTR 是意法半导体（ST）面向有刷直流电机驱动的功率驱动器，采用 SO-16 封装并集成功率 MOSFET，专为 PWM 控制的中高功率直流电机设计。器件支持宽电源电压范围、低静态电流和较高的输出电流能力，适合机器人、工业自动化、移动平台及电动工具等场景。
二、主要特性
- 宽工作电压：4V ~ 28V，能够适配常见12V/24V系统电源。
- 输出电流能力：典型连续工作电流 12A，瞬态峰值可达 15A（视散热条件而定）。
- 导通电阻（RDS(on)）：约 100 mΩ，损耗较低，有利于效率与发热控制。
- 低静态电流：Iq ≈ 1 µA，待机损耗小，适合需低待机能耗的应用。
- 宽工作温度范围：-40 ℃ 至 +150 ℃，适应工业级环境。
- 封装：SO-16，便于 PCB 安装与自动化贴装。
- 集成 FET：减小系统体积与外部器件数量，简化驱动设计。
三、典型保护与功能（设计导向）
VNH7100ASTR 在设计上通常包含常用保护机制以提高系统可靠性，例如过流保护、过热保护与欠压锁定等（具体门限请参见器件数据手册）。器件对 PWM 控制友好，能在频繁启动/制动与动态负载条件下稳定工作。
四、主要电气参数（摘要）
- 电源电压范围：4V–28V
- 连续输出电流：12A（散热良好时）
- 峰值输出电流：15A（短时）
- 导通电阻：100 mΩ（典型）
- 静态电流：1 µA（典型）
- 工作温度：-40 ℃ ~ +150 ℃
- 封装：SO-16
五、封装与热管理建议
SO-16 封装提供了紧凑的布局，但在高电流条件下热量集中，必须注意热管理：
- 在 PCB 设计中采用大面积铜箔散热，必要时增加散热板或热沉；
- 在功率管脚下方设计热过孔（thermal vias）以导入内层或背面散热区域；
- 使用合适的外部电容进行电源去耦，减小瞬态电压尖峰；
- 评估环境温度与散热条件，避免长期在临界温度下工作以延长可靠性。
六、应用注意事项与设计建议
- PWM 驱动时注意选取合适的频率与滤波，防止 EMI 与功率损耗过大；
- 在电机感性负载下，合理布置续流路径与吸收元件，配合器件内部保护以减少电压冲击；
- 系统层面建议增加熔断、保险丝或外部电流限制器件以应对极端故障；
- 在布局上保持功率回路短而宽，信号控制线与功率线尽量分离，保证驱动信号稳定。
七、总结
VNH7100ASTR 以其宽电压、较高电流能力、低静态功耗与工业级温度范围，适合用于对体积、成本和可靠性有较高要求的有刷直流电机驱动方案。合理的散热设计与电路保护搭配能够发挥器件最佳性能，建议在量产前参考 ST 官方数据手册与评估板进行完整验证。
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