WMSIC Electronic Components

GR GR3115

ModelGR3115
PackageSOP-8
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 GR3115
Type
GR
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GR
Electronic Component
GR3115
Electronic Component
1
Package
SOP-8
Electronic Component
(UVP)
Electronic Component
Gate Driver IC
Electronic Component
0.06g
Electronic Component
1
Electronic Component
BM0264555444
Operating Temperature
0℃~+60℃
Operating Voltage
10V~20V
Load Type
MOSFET;IGBT
Driver
Electronic Component
Current(IOL)
600uA
Driver Channel Count
2

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

GR3115 半桥栅极驱动芯片产品概述

GR3115是国睿(GR)推出的一款双通道半桥栅极驱动芯片,专为中小功率MOSFET和IGBT负载设计,具备快速开关特性与欠压保护功能,适用于电源转换、电机驱动等多种场景,SOP-8封装兼顾集成度与可靠性。

一、产品定位与核心应用方向

GR3115聚焦中小功率电力电子系统的栅极驱动需求,通过双通道半桥架构简化电路设计,可直接驱动MOSFET或IGBT功率器件。其核心应用覆盖:

  • 开关电源:DC-DC变换器、AC-DC适配器;
  • 电机驱动:BLDC无刷电机、小型伺服电机;
  • 逆变系统:太阳能微型逆变器、车载低功率逆变单元;
  • 其他:LED驱动电源、工业控制小功率执行器。

二、关键性能参数解析

GR3115的核心参数针对中小功率负载的驱动需求优化,关键指标如下:

  1. 驱动架构:双通道半桥设计,可同时驱动半桥拓扑的上下功率管,减少外围驱动电路数量;
  2. 负载兼容性:兼容MOSFET与IGBT两种主流功率器件,适配不同功率等级的中小功率应用;
  3. 驱动能力:典型灌电流(IOL)为600μA,满足中小功率器件的栅极电荷驱动需求;
  4. 开关速度:上升时间(tr)与下降时间(tf)均为10ns,支持高频开关(如百kHz级),降低系统开关损耗;
  5. 工作电压范围:10V~20V宽电压输入,适应12V、15V、20V等常见供电系统;
  6. 工作温度范围:0℃~+60℃,满足一般工业环境与消费电子的温度要求。

三、核心功能特性

GR3115集成实用保护与驱动功能,提升系统可靠性:

  1. 欠压保护(UVP):当输入电压低于阈值时,芯片自动关闭输出,避免因电压不足导致驱动能力下降,防止功率器件因栅极驱动不足损坏;
  2. 快速开关控制:10ns的开关时间确保功率器件快速导通/关断,减少开关损耗,提升系统效率;
  3. 双通道独立驱动:两个驱动通道可独立控制,适配半桥拓扑的上下管时序要求,简化电路时序设计;
  4. 低功耗设计:工作电压范围内功耗稳定,适合对功耗敏感的便携式或低功耗系统。

四、封装与可靠性设计

GR3115采用SOP-8贴片封装,具备以下优势:

  • 体积紧凑:封装尺寸小(典型7.8mm×5.9mm),适合PCB高密度集成;
  • 焊接可靠性:贴片封装便于自动化焊接,焊接质量稳定,减少虚焊风险;
  • 散热设计:引脚间距合理,配合PCB铜箔可有效散发热量,满足中小功率驱动的散热需求。

五、选型与应用注意事项

为确保GR3115稳定工作,应用时需注意:

  1. 负载匹配:优先适配中小功率MOSFET/IGBT(栅极电荷需与600μA灌电流匹配),避免驱动大功率器件导致驱动不足;
  2. 电压范围:输入电压需控制在10V~20V之间,超过20V可能损坏芯片,低于10V触发欠压保护;
  3. 温度环境:工作温度不超过+60℃,不低于0℃,极端环境需额外散热或温度补偿;
  4. 外围电路:电源引脚并联10μF100μF电解电容与0.1μF陶瓷电容提升稳定性,驱动输出端串联10Ω100Ω电阻抑制栅极振荡。

GR3115凭借双通道半桥架构、快速开关特性与欠压保护功能,成为中小功率电力电子系统的高性价比栅极驱动选择,适用于对成本、集成度与可靠性有平衡要求的应用场景。

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