WMSIC Electronic Components

JSMSEMI IR2101STRPBF-JSM IR2101STRPBF

ModelIR2101STRPBF-JSM
PackageSOP-8
BrandJSMSEMI
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
JSMSEMI IR2101STRPBF-JSM
Type
JSMSEMI
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JSMSEMI
Electronic Component
IR2101STRPBF-JSM
Electronic Component
1
Package
SOP-8
Electronic Component
(UVP)
Electronic Component
Gate Driver IC
Electronic Component
0.197g
Electronic Component
1
Electronic Component
BM0229961409
Operating Temperature
40℃~+125℃
Operating Voltage
10V~20V
Load Type
MOSFET
Current(IOH)
300mA
Current(IOL)
600mA
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.

IR2101STRPBF-JSM 产品概述

IR2101STRPBF-JSM(品牌:JSMSEMI / 杰盛微)是一款双通道高/低侧MOSFET驱动器,专为半桥驱动和功率开关应用设计。器件集成欠压保护(UVP),可在10V~20V驱动电源范围内稳定工作,适配各类中低压功率转换场景。

一、主要特性

  • 驱动配置:高边 + 低边(半桥结构驱动);适用于N沟MOSFET负载
  • 工作电压:10V ~ 20V(驱动电源范围)
  • 驱动能力:灌电流 IOL = 600mA(强下拉/吸电能力),拉电流 IOH = 300mA(推电能力)
  • 开关速度:上升时间 tr ≈ 75ns,下降时间 tf ≈ 35ns(典型)
  • 静态电流:Iq = 120μA(低静态功耗)
  • 保护功能:欠压保护(UVP),提高系统可靠性
  • 通道数:2 路独立驱动通道
  • 负载类型:专为MOSFET门极驱动优化
  • 工作温度:-40℃ ~ +125℃
  • 封装:SOP-8

二、功能说明

IR2101STRPBF-JSM 将低压门级逻辑信号转换为可直接驱动功率MOSFET门极的高电流脉冲,常用作半桥或全桥模块的驱动前端。高边通道通常采用自举(bootstrap)供电方式,通过外接二极管与电容为高边门极提供高于源极的驱动电压。欠压保护确保在驱动电源不足时禁止输出,防止MOSFET误导通。

三、典型应用

  • 无刷直流电机(BLDC)驱动与电机控制器
  • 开关电源(SMPS)半桥/全桥驱动
  • 逆变器与太阳能并网逆变器前端驱动
  • 同步整流、电源管理模块
  • 其他需要高/低侧独立门极驱动的功率控制场景

四、设计与使用要点

  • 自举电路:高边驱动需外接自举二极管与自举电容,保证在低占空比时高边栅极能及时充电。
  • 去耦与布局:VCC 与 COM 端附近放置低 ESR 去耦电容(例如 0.1μF 丝膜/陶瓷 + 大容量电解),缩短高频回流环路,减小寄生感抗。
  • 栅极电阻:根据MOSFET栅电荷选择合适门阻以控制上升/下降斜率,限制冲击电流并降低电磁干扰。建议在驱动端加入 5Ω~100Ω 可调电阻。
  • 死区与保护:系统级需设置合理死区时间避免上下桥同时导通。利用UVP功能在VCC过低时禁止输出,结合软关断策略提高可靠性。
  • 热管理:SOP-8 封装散热受限,高频与大电流切换时需评估平均功耗并做好PCB铜皮散热。
  • 测试注意:测量上/下沿时注意示波器接地回路,采用差分探头或短地回路避免误判。

五、封装与选型建议

  • 封装:SOP-8,适合手工与自动贴装工艺。设计时留足焊盘与散热铜箔以提高功耗承受能力。
  • 选型关注点:若系统要求更高的推拉电流或更快开关速度,可考虑更大驱动能力的替代器件;若需要集成更多保护(过流、过温等),则选择具有更丰富保护功能的驱动器。
  • 兼容性:本器件适配大多数逻辑电平驱动输入,选用前请核实外部逻辑侧电压与输入门槛匹配。

六、常见故障与排查建议

  • 高边不工作:检查自举二极管方向与自举电容容量;确认高边源极(VS)有正确开关动作。
  • 输出震荡或过热:检查门极电阻是否过低、PCB布局是否导致寄生电感;增加栅极电阻并改善去耦与走线。
  • 欠压锁定:确认VCC稳定在10V~20V范围,排查供电路径与滤波电容。

总结:IR2101STRPBF-JSM 是一款功能完整、适用于常见半桥驱动场景的双通道高/低侧MOSFET驱动器。合理的外部自举、去耦与栅极匹配设计可发挥其低静态功耗与良好瞬态驱动能力,适合电机驱动、逆变与开关电源等功率电子应用。

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