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ST VN7003ALHTR
Configuration
1 options
Configuration
21+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ST(STMicroelectronics) VN7003ALHTR
- Type
- ST
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ST(STMicroelectronics)
- Electronic Component
- VN7003ALHTR
- Electronic Component
- 1
- Package
- OctaPAK(7+1)
- Type
- Switch
- Electronic Component
- Power Electronic Switch
- Electronic Component
- 0.434g
- Electronic Component
- 1
- Channel Count
- 1
- Features
- Voltage
- Electronic Component
- BM0264240990
- Resistor
- 3.5mΩ
- Operating Temperature
- 40℃~+150℃
- Operating Voltage
- 4V~28V
- Current
- 80A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
VN7003ALHTR 高侧功率开关产品概述
一、产品核心定位与应用场景
VN7003ALHTR是ST意法半导体推出的单通道高侧功率开关，专为低压大电流负载控制设计，核心面向汽车电子、工业自动化及电动工具等对可靠性、大电流承载能力要求较高的场景。其高侧开关架构（开关位于电源正极与负载之间）可直接控制负载通断，无需额外地侧驱动电路，简化系统设计的同时提升抗干扰能力。
二、关键电气参数解析
该器件的核心参数直接决定应用边界，关键指标如下：
- 通道数：1通道，支持单负载独立控制，避免多通道串扰；
- 控制逻辑：高电平有效，与主流MCU（3.3V/5V输出）兼容性强，低电平关断时功耗极低；
- 电流承载：最大连续电流80A，峰值电流可满足短时间过载（典型值>100A）；
- 电压范围：4V28V，覆盖汽车12V（9V16V）、24V（20V~30V）系统，以及工业低压直流场景；
- 导通损耗：导通电阻仅3.5mΩ，80A连续工作时损耗为I²R=22.4W，结合封装散热可稳定运行；
- 温度范围：-40℃~+150℃，符合汽车级AEC-Q100标准，适应极端环境（如发动机舱高温、低温启动）。
三、核心保护功能详解
集成4项关键保护功能，无需额外外围电路：
- 过热保护（OTP）：结温超170℃（典型值）时自动关断，温度降至150℃左右自动恢复，防止热烧毁；
- 短路保护（SCP）：输出短路到地时，立即限流至100A左右，避免过大电流损坏芯片及负载；
- 过流保护（OCP）：负载电流超96A（连续电流120%）时触发保护，限流或关断，防止负载过载；
- 欠压保护（UVP）：输入电压低于4V时关断，避免电压不足导致芯片异常或负载失控。
四、封装与散热特性
采用OctaPAK(7+1)封装：
- 7个功能引脚（含输入、输出、电源、地、使能）+1个大面积散热焊盘，散热效率提升30%以上；
- 尺寸紧凑（10mm×10mm×2.5mm），节省PCB空间；
- 散热焊盘需连接≥10cm²铜箔，确保80A工作时热量有效散发。
五、典型应用场景
- 汽车电子：电动尾门电机、液压泵、大功率座椅加热、空调辅助加热元件；
- 工业自动化：低压直流电机（传送带驱动）、加热丝、高压电磁阀；
- 电动工具：大功率电动扳手、割草机、高压清洗机的电机控制。
六、产品优势与市场价值
- 成本优化：集成保护功能，减少保险丝、续流二极管等外围元件，降低BOM成本；
- 可靠性强：汽车级温度范围+全面保护，MTBF超100万小时；
- 设计简化：高侧开关架构无需地侧驱动，配合MCU直接控制，缩短开发周期；
- 供应链稳定：ST全球量产能力充足，满足汽车及工业批量需求。
该器件凭借高电流密度、全面保护及宽电压范围，成为低压大电流负载控制的优选方案。
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