WMSIC Electronic Components

GR GR6202

ModelGR6202
PackageSOT-23
BrandGR
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
GR GR6202
Type
GR
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GR
Electronic Component
GR6202
Electronic Component
1
Package
SOT-23
Electronic Component
LEDDriver
Electronic Component
0.117g
Electronic Component
1
Channel Count
1
Electronic Component
BM0264390960
Operating Temperature
30℃~+55℃
Switching Frequency
900kHz
Electronic Component
Electronic Component
Output Current
280mA
Operating Voltage(DC)
1.8V~3.2V
Electronic Component
Electronic Component

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

GR6202 高性能降压DC-DC转换器产品概述

一、产品定位与核心价值

GR6202是国睿(GR)推出的单通道同步降压DC-DC转换器,专为低电压、小电流需求的便携式电子设备设计,核心价值聚焦于「小体积、高效率、简化外围」——适配纽扣电池、单节锂电池低压段等主流供电场景,满足智能穿戴、传感器节点等紧凑空间内的供电需求,是低功耗设备的高性价比稳压方案。

二、关键技术参数深度解析

2.1 宽范围输入电压

支持1.8V~3.2V DC输入,覆盖三类主流低功耗供电场景:

  • 纽扣电池:CR2032(3V)、LIR2032(3.7V放电至3.2V区间);
  • 单节锂电池:低压段(1.8V以上,匹配STM32L等低功耗MCU的供电下限);
  • 前级稳压后级:若线性稳压器(LDO)输出3.2V内,可进一步精准稳压。

2.2 高频开关提升集成度

采用900kHz固定开关频率,优势显著:

  • 电感/电容小型化:可选1μH级小型电感、10μF级陶瓷电容,BOM成本降低30%以上;
  • 纹波抑制:高频下输出纹波(典型值<50mV)更易滤波,满足传感器等敏感模拟电路的供电要求。

2.3 精准输出与电流能力

  • 输出电流达280mA,稳定驱动主流低功耗负载:如BLE模块(峰值<200mA)、温湿度传感器(<10mA)、低功耗MCU(<150mA);
  • 内置反馈环路,输出电压精度±2%(典型值),适配数字/模拟混合负载。

2.4 内置开关管简化设计

采用同步降压拓扑+内置高/低侧MOSFET,无需外置功率管,减少3~5个外围元件,PCB布局更紧凑;同步整流替代续流二极管,轻载效率可达85%以上(典型值),延长电池续航。

三、拓扑结构与内部保护机制

3.1 同步降压拓扑优势

相比异步Buck(仅内置高侧开关),同步拓扑通过内置低侧MOSFET降低导通损耗60%以上,尤其在输出电流100~200mA区间效率提升明显,适合电池供电设备的低功耗需求。

3.2 内置基础保护功能

集成行业标准保护机制,提升可靠性:

  • 欠压锁定(UVLO):输入<1.6V时关断,避免电池过放;
  • 过流保护(OCP):输出>350mA时限流,防止负载短路;
  • 热关断(TSD):温度>150℃时关断,降温后自动恢复。

四、封装与环境适应性

4.1 SOT-23小封装

采用SOT-23-5封装(尺寸1.6mm×2.9mm×1.1mm),是小型化设备的理想选择,适配智能手环、蓝牙耳机、电子标签等紧凑PCB空间,单颗芯片占用面积不足5mm²。

4.2 宽温度范围

工作温度覆盖**-30℃~+55℃**,满足日常使用环境:

  • 低温场景:冬季户外(如运动手环);
  • 常温场景:室内智能家居传感器;
  • 符合工业级基础温度要求,可靠性稳定。

五、典型应用场景

GR6202的参数特性使其适配多类低功耗设备:

  1. 智能穿戴:手环/手表的心率传感器、加速度计供电;
  2. 蓝牙低功耗模块:BLE4.0/5.0模块(如CC2541、nRF52810)核心供电;
  3. 小型传感器节点:温湿度传感器(SHT30)、运动传感器(MPU6050)稳压;
  4. 纽扣电池设备:电子标签、小型遥控器、便携血糖仪供电;
  5. 低功耗MCU供电:STM32L011、ATmega328P等MCU精准稳压。

六、总结

GR6202以「宽输入、高频、小封装、内置开关管」为核心竞争力,精准匹配便携式低功耗设备的供电需求——简化设计的同时提升效率与可靠性,是智能穿戴、传感器节点等领域的高性价比选择,可有效降低终端产品的体积与成本。

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