WMSIC Electronic Components

NISSHINBO NJW4832KH1-B-TE3

ModelNJW4832KH1-B-TE3
PackageDFN-6(2x2)
BrandNISSHINBO
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
NISSHINBO NJW4832KH1-B-TE3
Type
NISSHINBO
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NISSHINBO
Electronic Component
NJW4832KH1-B-TE3
Electronic Component
1
Package
DFN-6(2x2)
Type
Switch
Electronic Component
Power Electronic Switch
Electronic Component
1g
Electronic Component
1
Channel Count
1
Electronic Component
BM0264227696
Resistor
750mΩ
Operating Temperature
40℃~+125℃
Operating Voltage
4.6V~40V
Current
200mA
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.

NJW4832KH1-B-TE3 产品概述

一、概述

NJW4832KH1-B-TE3 是 NISSHINBO 提供的一款单通道高侧开关(栅极驱动器),面向 4.6V 至 40V 工况下的负载控制场合。器件输入控制逻辑为低电平有效,最大连续输出电流可达 200mA,导通电阻典型值 750mΩ,内部集成过温保护与过流保护,工作温度范围 -40℃ 至 +125℃,封装为 DFN-6 (2.0mm x 2.0mm)。

二、主要特性

  • 工作电压:4.6V ~ 40V,适应宽电源输入场景(包括汽车电源瞬态)。
  • 最大连续电流:200mA,适用于中小电流负载。
  • 导通电阻:约 750mΩ(开启态),提供较低的功耗与发热。
  • 控制逻辑:低电平有效(拉低输入以导通开关),便于与微控制器或开漏驱动直接接口。
  • 保护功能:集成过温保护(OTP)和过流限流(OCP),提高系统可靠性并简化外围保护电路。
  • 工作温度:-40℃ ~ +125℃,满足工业与车规级应用温度要求。
  • 封装:DFN-6(2×2),小尺寸利于高密度 PCB 布局。

三、典型应用

  • 汽车车身电子(车门模块、照明、低功耗外设供电)。
  • 工业控制中的负载断开/上电控制(传感器、继电器驱动前置开关)。
  • 电池供电便携设备的电源管理与分支开关。
  • 需要短路、过温自保护的分布式电源开关场景。

四、设计与使用注意事项

  • 输入为低电平有效:若与 MCU 接口,注意管脚上拉/下拉状态与启动序列。
  • 虽有内置 OCP/OTP,但对感性负载建议加入缓冲措施(续流二极管、RC 抗干扰网络)以抑制瞬态尖峰。
  • VIN 端建议在器件附近放置去耦电容,减小导通瞬态电压降与抑制噪声。
  • 对热耗敏感的设计应评估在最差工况(高 VIN、最大负载、较高环境温度)下的功耗与结温,必要时采用铜箔加厚与散热垫降低热阻。
  • PCB 布局:为保证散热与低阻连接,建议在 DFN 底部焊盘处做完整的镂空热盘并增加多层过孔引下至大面积铜箔。

五、封装与热管理

DFN-6(2×2)小尺寸有利于高密度集成,但对热散能力提出要求。利用底部热焊盘连接到内部或底层散热铜箔,可显著降低结壳热阻。根据工作电流与占空情况评估器件结温,必要时考虑强制对流或散热片。

六、采购与参考

选型时请以厂商最新版数据手册为准,获取详细电气规格、典型应用电路及引脚定义。对关键应用建议进行样片测试并在目标系统环境下验证器件在过流、过温与启动/关断瞬态下的行为。

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