力芯微推出霍尔开关芯片 ET3715A30

Release time:2025-08-06
author:AMEYA360
source:力芯微
reading:907

  产品概述

  在便携式电子设备日益追求轻薄化与长续航的今天,传统机械开关已无法满足高集成度与低功耗的需求。力芯微ET3715A30应运而生,作为一款全极型霍尔效应开关IC,它通过磁感应技术实现无接触式检测,完美替代机械结构,大幅提升设备可靠性。其超低电压(1.0V~3.5V)与低功耗(典型10μA)的设计,专为电池供电的移动设备优化,助力产品在紧凑空间中实现智能化升级。

  该芯片的超低电压供电可直接兼容纽扣电池/锂电池系统,其间歇工作低功耗模式,能显著延长电池寿命,适合常开型应用。芯片全极性(S & N)检测,无需区分磁极方向,简化安装设计,内置CMOS输出无需外接上拉电阻,抗干扰能力强,确保信号传输可靠。DFN4(1mm×1mm)微型化封装, 能为空间受限的PCB提供极致灵活性布局。

  ET3715A30以“小体积、低功耗、高可靠”的核心优势,成为便携设备迈向智能化与节能化的理想选择,无论是提升产品竞争力,还是优化用户体验,它都能成为工程师设计中的关键助力。

  产品特性

  极性检测:全极性检测

  输出逻辑:低电平有效

  输出形式:CMOS 输出,无需外接上拉电阻

  工作点:BOP = 3.0 mT typ.

  工作周期:tCYCLE = 5.70 ms typ.

  工作电流:IDD = typ. 10.0 μA at 1.2 V

  电源电压范围:VDD = 1.0 V to 3.5 V

  工作温度范围:TA = -40°C to +85°C

  无铅(Sn 100%),无卤素

  超小型DFN4(1mm ×1mm)封装

  管脚定义

力芯微推出霍尔开关芯片 ET3715A30

  典型应用

力芯微推出霍尔开关芯片 ET3715A30


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8通道开漏和推挽应用电平转换 | 力芯微推出内置上拉电阻适用于开漏和推挽的自动双向电平转换
  产品概述  在通信技术跨越式发展的今天,5G的高速连接、AI的实时决策与物联网的泛在组网,正推动电子设备向更高速、更智能、更融合的方向演进。信号传输系统作为数字世界的“神经网络”,不仅需要处理多电压、多协议的复杂兼容挑战,更面临着低延时、高能效与极致集成化的严苛要求。  力芯微推出一款8通道自动双向适用于推挽和开漏应用的电平转换芯片 ETS0108,纳秒级传输延时,自动双向传输无需额外控制,内置10kΩ上拉电阻减少外围器件,可在1.8V到5V之间转换电平,兼容I²C、UART、SPI等多种通信协议,显著降低系统集成复杂度,推挽应用下支持24Mbps信号传输,其在消费电子、工业控制与自动化等领域广泛适用。  产品特点  无需控制自动转换传输方向  输入输出端口内置10kΩ上拉电阻  最大传输速率:  24Mbps (Push Pull)  2Mbps (Open Drain)  VCCA工作电压1.65V到3.6V (VVCCA ≤ VVCCB)  VCCB工作电压2.3V到5.5V  B端口ESD能力 HBM达到8kV  封装尺寸TSSOP20 (4.4mm × 6.5mm)  典型应用图1:典型应用电路  管脚定义图2:管脚定义  功能框图图3:功能框图  其他亮点  one-shot功能:输出单稳态触发器(one-shot)检测A或B输入端口的上升沿,在上升沿期间,单稳态触发器(one-shot)会短暂接通输出上拉MOS管,可加快输出信号从低电平到高电平的转换速度。
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