WMSIC Electronic Components

ETA ETA7014S2G

ModelETA7014S2G
PackageSOT23-6
BrandETA
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ETA ETA7014S2G
Type
ETA
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ETA
Electronic Component
ETA7014S2G
Electronic Component
1
Package
SOT23-6
Type
Switch
Electronic Component
Power Electronic Switch
Electronic Component
0.041g
Electronic Component
1
Channel Count
1
Features
Integrated Charge Pump
Electronic Component
BM0226168242
Resistor
35mΩ
Operating Temperature
40℃~+85℃
Operating Voltage
4V~36V
Current
5A

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

ETA7014S2G 产品概述

一、主要特性

ETA7014S2G 是钰泰(ETA)推出的一款单通道高侧开关,面向车载与工业供电控制场景。器件支持工作电压范围 4V ~ 36V,最大连续载流能力 5A,导通电阻典型值 35mΩ,工作温度范围 -40℃ ~ +85℃。输入控制为高电平有效,封装为 SOT23-6,集成过热保护(OTP)、过压保护(OVP)和短路保护(SCP),便于在受限空间内实现可靠的高侧功率开关控制。

二、适用场景

本器件适用于需要在电源侧对负载进行开关与保护的应用,包括但不限于:

  • 汽车电子(车灯、继电器驱动、车载模块电源切换等)
  • 工业控制与自动化设备
  • 电池供电与便携设备的保护与分配
  • 通信设备的局部电源管理

三、功能与工作原理

ETA7014S2G 作为高侧开关,在输入端(VCC)与负载间串联一个低阻 MOSFET,控制引脚为 TTL/CMOS 兼容的逻辑输入,高电平使能导通,低电平关断。内部集成驱动与保护电路,在发生短路、电流突增或芯片温度异常时自动限流或关断,以保护器件和系统负载。器件对 4V 至 36V 的宽电压输入支持使其可直接用于 12V/24V 等系统。

四、封装与热管理

SOT23-6 封装体积小、便于板上布局。由于最大连续电流可达 5A,散热设计需重视:建议在 PCB 上使用较大面积的散热焊盘与多层铜箔,靠近器件的电源与地线加宽以降低导热阻;若工作在高负载或高环境温度条件下,应评估结—环境温度升量并考虑额外散热措施或降额使用。

五、保护机制说明

  • 过热保护(OTP):当芯片内部温度超过安全阈值时,器件自动进入保护状态,限制或断开输出,待温度恢复后自动重启或通过外部控制复位(视具体实现)。
  • 过压保护(OVP):在输入电压超过器件允许范围或发生瞬态高压时触发,防止下游负载与器件损坏。
  • 短路保护(SCP):检测到短路或异常大电流时进行限流或关断,保护芯片及电源系统免受损害。

上述保护均为硬件层面集成,无需外加复杂控制逻辑,但在系统设计时仍应配置合适的熔断器、TVS 和滤波元件以提升整体可靠性。

六、设计建议与注意事项

  • 控制引脚为高电平有效,直接与 MCU 等逻辑引脚接口时,注意电平匹配与上拉/下拉设计,防止上电瞬态误触发。
  • 输入侧建议并联合适的 TVS 抑制器与去耦电容,抑制瞬态和滤除噪声,保护器件稳定工作。
  • 在长期高电流工况下,按实际 PCB 温升测算器件结温,必要时对输出电流进行降额。
  • SOT23-6 焊接时注意焊盘和过孔布局,避免因焊接热量或散热不足影响性能和可靠性。

七、选型与替代

ETA7014S2G 适合需要中等电流(数安培级)且要求集成保护功能的高侧开关应用。选型时除了电压、电流与封装外,还应关注导通电阻对功耗和发热的影响、保护动作阈值及重启策略。若需多通道或更低 RDS(on)、更高电流能力,可在同类产品族中对比参数或咨询供应商获取匹配的替代型号。

总结:ETA7014S2G 提供了宽电压、高可靠性的单通道高侧开关解决方案,适合在受限空间内实现安全、可靠的电源控制与负载保护。

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