WMSIC Electronic Components

GATEMODE GM7A4001

ModelGM7A4001
PackageMSOP-8-EP
BrandGATEMODE
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
GATEMODE GM7A4001
Type
GATEMODE
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
2.8V@(50mA)
Electronic Component
GATEMODE
Electronic Component
GM7A4001
Electronic Component
1
Package
MSOP-8-EP
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.147g
Electronic Component
1
Electronic Component
BM0264228269
Operating Temperature
40℃~+125℃@(Tj)
Operating Voltage
100V
Output
Electronic Component
Output Voltage
1.2V~90V
Output Current
50mA
Output Type
Electronic Component

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

GM7A4001 高压可调线性稳压器(LDO)产品概述

GM7A4001是捷茂微(GATEMODE)推出的一款高压可调线性稳压器(LDO),针对小功率、宽电压范围供电场景设计,具备高压耐受、低静态电流、多重保护等核心特性,适配工业级宽温环境,广泛应用于工业控制、通信、仪器仪表等领域。

一、产品定位与核心优势

GM7A4001聚焦高压输入+可调输出的细分需求,解决传统低压LDO无法适配高压场景的痛点,核心优势体现在:

  1. 宽电压覆盖:输入电压支持100V,输出可在1.2V~90V范围内灵活调节,覆盖从低压数字电路到高压模拟电路的供电需求;
  2. 低功耗设计:静态电流仅23μA,待机状态下功耗极低,适合电池供电或长待机系统;
  3. 小体积高集成:采用MSOP-8-EP封装,体积紧凑(约3×3mm),集成热关断、短路保护等功能,无需额外外围器件;
  4. 工业级可靠性:结温范围-40℃~+125℃,满足极端环境下的稳定工作要求。

二、关键电气参数解析

GM7A4001的核心参数针对性极强,适配高压小功率场景:

  • 输入/输出范围:输入电压最大100V,输出电压可通过外部电阻分压设置为1.2V~90V(需满足输入电压≥输出电压+2.8V的压差要求);
  • 输出电流:额定输出电流50mA,可满足大多数小功率负载(如传感器、MCU、射频模块等)的供电需求;
  • 压差特性:在额定输出电流50mA下,压差仅2.8V,相比传统高压线性稳压器压差更低,提升电源转换效率;
  • 静态电流:典型值23μA,远低于同类高压LDO,有效降低系统待机功耗;
  • 输出极性:正极输出,适配绝大多数负载的常规供电接口。

三、主要功能特性

GM7A4001内置多重保护与控制功能,提升系统可靠性:

  1. 可调输出调节:通过外部两个分压电阻(R1、R2)设置输出电压,公式为 Vout=1.2V×(1+R2/R1)(参考电压固定为1.2V),调节灵活且精度可控;
  2. 使能控制:带独立使能引脚,可通过外部数字信号(如MCU GPIO)开启/关闭稳压器,进一步降低待机功耗;
  3. 热关断保护:当结温超过150℃(典型值)时,器件自动关断输出,待温度回落至安全范围后自动恢复,防止过热损坏;
  4. 短路保护:输出端短路时,内置限流电路将输出电流限制在100mA以内(典型值),避免负载短路导致器件烧毁;
  5. 单通道输出:1路独立输出通道,简化电路设计,避免多通道干扰。

四、封装与环境适应性

GM7A4001采用MSOP-8-EP封装,兼顾体积与散热:

  • 封装特点:8引脚微型封装,带Exposed Pad(外露焊盘),可通过PCB散热焊盘将热量传导至系统地,提升功率处理能力;
  • 温度范围:结温(Tj)范围-40℃~+125℃,符合工业级(Industrial Grade)标准,可在低温、高温、湿热等恶劣环境下稳定工作;
  • 引脚定义:常规引脚包括VIN(输入)、VOUT(输出)、GND(地)、EN(使能)、FB(反馈)、EP(散热焊盘)等,布局简单。

五、典型应用场景

GM7A4001适配多种高压小功率供电场景:

  1. 工业控制设备:PLC模块、高压传感器(如压力、温度传感器)的供电;
  2. 通信设备:基站辅助电源、射频前端小功率模块(如滤波器、放大器)的供电;
  3. 仪器仪表:高精度测量仪器(如示波器、万用表)的高压可调供电;
  4. 汽车电子:车载高压辅助电路(如胎压监测系统的高压部分,需确认汽车级认证);
  5. 电池供电系统:低功耗高压设备(如无线传感器节点)的供电,利用低静态电流延长电池寿命。

六、使用注意事项

为确保GM7A4001稳定工作,需注意以下几点:

  1. 压差验证:输入电压必须大于输出电压+2.8V(@50mA),若输出电流低于50mA,压差会进一步降低,可适当放宽输入电压;
  2. 分压电阻选择:反馈电阻R1建议选10kΩ~100kΩ,避免电阻过大导致噪声干扰,或过小增加静态电流;
  3. 散热设计:MSOP-8-EP的EP焊盘需焊接到PCB的散热铜箔(建议面积≥10mm²),提升热传导效率;
  4. 使能电平:需确认使能引脚的有效电平(通常为高电平有效,建议参考 datasheet);
  5. 保护功能触发:短路或热关断触发后,需待故障排除(短路解除、温度回落),器件自动恢复输出,无需手动重启。

GM7A4001以其高压耐受、宽输出调节、低功耗等特性,成为高压小功率供电场景的优选方案,尤其适合对体积、可靠性要求较高的工业与通信领域。

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