WMSIC Electronic Components

XNRUSEMI XR4886D

ModelXR4886D
PackagePDFN3333-8L
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 XR4886D
Type
XNRUSEMI
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XNRUSEMI
Electronic Component
XR4886D
Electronic Component
1
Package
PDFN3333-8L
Electronic Component
2 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.112g
Electronic Component
1
Electronic Component
BM0264974441
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
3W
Electronic Component
Electronic Component
Electronic Component
5000
Voltage(Vdss)
40V

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

XR4886D N沟道MOSFET产品概述

XR4886D是新锐半导体(XNRUSEMI)推出的一款中功率N沟道MOSFET,针对低压大电流场景的高效设计需求,在3.3×3.3mm的小封装内实现了良好的电流承载能力与导通损耗控制,适用于DC-DC转换、电池保护、小型电机驱动等多种应用。

一、核心定位与关键特性

XR4886D的设计核心是**“小封装下的低压大电流高效方案”**,主要特性包括:

  1. 40V漏源电压覆盖主流低压系统(12V/24V)的过压需求;
  2. 20A连续漏极电流满足中等功率负载的连续工作要求;
  3. 17mΩ(@10V栅极驱动、8A电流)的低导通电阻,显著降低导通损耗;
  4. PDFN-8L小封装适配高密度PCB设计,支持设备小型化;
  5. -55℃~+150℃宽温范围,适应 harsh环境;
  6. 1.5V阈值电压兼容3.3V/5V逻辑驱动,简化电路设计。

二、关键电参数深度解析

1. 电压与电流能力

  • 漏源电压(Vdss):40V:可覆盖12V/24V系统的过压场景(如12V系统最大工作电压14.4V,24V系统28.8V,远低于40V),无需额外过压保护元件;
  • 连续漏极电流(Id):20A:为持续工作电流(非脉冲),适合电机连续运转、电池大电流充放等场景;若配合PCB散热铜箔,可进一步提升功率处理能力;
  • 耗散功率(Pd):3W(25℃):25℃环境下的最大允许功率损耗,实际应用需结合散热设计(如增加散热焊盘),避免过热降额。

2. 导通与开关特性

  • 导通电阻(RDS(on)):17mΩ@10V、8A:栅极驱动10V时,导通电阻低至17毫欧,导通损耗(I²×R)仅约1.088W(8A负载下),效率表现优异;
  • 栅极与电容参数:
    • 栅极电荷量(Qg):12nC@20V,开关过程中栅极所需电荷量少,降低驱动损耗;
    • 输入电容(Ciss):633pF@20V,反向传输电容(Crss):58pF@20V,适合100kHz左右的开关频率(如普通DC-DC转换器),兼顾开关速度与损耗平衡。

3. 驱动兼容性

  • 阈值电压(Vgs(th)):1.5V:栅源电压超过1.5V时导通,兼容3.3V/5V的MCU或驱动芯片,无需额外升压电路,简化系统设计。

三、封装与散热设计

XR4886D采用PDFN-8L(3.3×3.3mm)封装,是无引线平面封装,核心优势:

  1. 小尺寸: footprint仅0.0109cm²,适配便携式设备、小型电源等空间紧张场景;
  2. 高效散热:漏极与封装底部直接相连,可通过PCB散热焊盘快速导走热量,弥补小封装的散热短板;
  3. 高可靠性:无引线设计减少引脚断裂风险,抗机械应力能力强,适配表面贴装工艺。

四、典型应用场景

XR4886D的参数特性使其适配多种低压大电流场景:

  1. DC-DC转换器:12V转5V/3.3V降压方案,低RDS(on)减少损耗,20A电流满足嵌入式系统、小型服务器等负载;
  2. 电池保护电路:34串锂电池组(12.6V16.8V)充放电控制,40V电压覆盖过充过放,20A电流支撑快速充放;
  3. 小型电机驱动:无人机电机、扫地机器人等小型家电电机驱动,连续20A电流满足运转需求,小封装适配设备小型化;
  4. 负载开关:USB PD快充的电源路径控制,低导通电阻减少压降,兼容3.3V/5V驱动。

五、可靠性与环境适应性

XR4886D支持**-55℃~+150℃宽温范围**,覆盖工业级、户外场景的温度需求(如低温户外设备、高温工业控制);采用无铅无卤封装,符合RoHS环保标准,适配绿色产品设计。

整体来看,XR4886D在小封装下平衡了电流能力、导通损耗与驱动兼容性,是低压大电流场景中性价比突出的N沟道MOSFET选择。

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