WMSIC Electronic Components

XNRUSEMI XR9926A

ModelXR9926A
PackageSOP8
BrandXNRUSEMI
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
XNRUSEMI XR9926A
Type
XNRUSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XNRUSEMI
Electronic Component
XR9926A
Electronic Component
1
Package
SOP8
Electronic Component
2 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.173g
Electronic Component
1
Electronic Component
BM0264844132
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.65W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
20V

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

XR9926A 产品概述

一、产品简介

XR9926A 是 XNRUSEMI(新锐)推出的一款双通道 N 沟道功率 MOSFET,采用先进沟槽(trench)工艺制造,旨在在低电压应用中提供优异的导通性能与开关效率。器件以 SOP8 封装内含两个独立 N 沟道晶体管,适合于空间受限但需要双路功率开关或半桥结构的场合,如电源管理、电机驱动、负载开关及便携设备电源路径控制等。

二、主要参数与电气特性

XR9926A 的关键参数如下:

  • 器件类型:双通道 N 沟道 MOSFET(2 × N-channel)
  • 漏-源耐压 Vdss:20 V
  • 连续漏极电流 Id:6 A(单管,受散热条件影响)
  • 导通电阻 RDS(on):28 mΩ @ Vgs = 4.5 V
  • 阈值电压 Vgs(th):1.0 V(典型)
  • 耗散功率 Pd(封装限制):1.65 W
  • 输入电容 Ciss:358 pF
  • 输出电容 Coss:69.3 pF
  • 反向传输电容 Crss:58.5 pF
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:SOP8(双管封装)

以上电气数据来自器件规格典型值或标称值,实际应用中需结合封装热阻、PCB 散热条件及工作点进行评估。

三、核心特性与技术优势

  1. 优化的沟槽工艺:先进的沟槽沟道设计有效降低了导通电阻,使得在中低电压(≤20 V)领域能提供较低的导通损耗,提升系统效率。
  2. 低门极电容与传输延迟:Ciss、Coss 和 Crss 等寄生电容处于合理范围,有利于快速开关且降低驱动能耗,适合高频开关场合。
  3. 逻辑电平兼容:阈值电压约 1 V,且在 Vgs = 4.5 V 时 RDS(on) 报值为 28 mΩ,说明在常见的 5 V 类驱动电平下可达到较低的导通电阻,便于微控制器或驱动器直接驱动(仍建议检查具体驱动裕量)。
  4. 双通道集成:SOP8 封装内集成两只 N 沟道 MOSFET,支持配对使用(例如同步升压、半桥、双路负载开关),可节省 PCB 面积并简化布线。

四、典型应用场景

  • 耐压 20 V 范围内的电源管理:降压(buck)开关、同步整流器、安全断路保护等;
  • 电机驱动与 H 桥/半桥模块(小功率电机、伺服系统的驱动级);
  • 电池管理系统(BMS)和便携设备中电源路径控制、充电/放电开关;
  • DC-DC 转换器、LED 驱动器及工业控制中的开关元件;
  • 通用负载开关和高频开关场合,尤其在需要双通道协同工作的设计中。

五、封装与热管理

XR9926A 采用 SOP8 封装,适合表面贴装制造(SMT)。封装的功耗耗散 Pd 标称为 1.65 W,实际允许的连续漏极电流 6 A 依赖于 PCB 的散热能力与环境温度。设计时应注意:

  • 在高电流或高占空比场景下,通过加宽功率走线、增加铜厚或在底部增加散热填铜来降低结-环境热阻;
  • 考虑必要的散热裕量与热关断保护,避免长期接近器件最大结温(150 ℃)运行;
  • 如需更高功率处理能力,可配合散热片设计或选用更大封装器件。

六、布局与使用建议

  • 门极驱动:推荐使用 4.5 V ~ 10 V 的稳健门极驱动,确保开通时 RDS(on) 达到标称值;若采用微控制器直接驱动,需评估驱动电流能力与开关速度;
  • 布线:驱动回路与功率回路应分离,门极、漏极和源极走线要尽量短且宽,以减小寄生感抗和阻抗;
  • 退耦:在靠近 MOSFET 的 Vcc 和地之间放置合适的陶瓷电容以抑制开关瞬态;
  • 并联与热均衡:若需并联使用多只器件以分散电流,应考虑每只器件的热阻和电流共享问题,确保均匀散热。

七、可靠性与合规性

XR9926A 设计适配宽温区(-55 ℃ 至 +150 ℃),适用于工业级与车规前端低压应用。最终产品设计中应进行电热仿真与实际测试(包括温升、开关应力测试和长期老化测试),以保证在目标工况下的长期可靠性。

总结:XR9926A 在 20 V 低压领域提供了低 RDS(on)、较小寄生电容和双通道高度集成的解决方案,适合紧凑型电源管理和高频开关场合。合理的驱动与散热设计能充分发挥其性能,提升系统效率与可靠性。

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