WMSIC Electronic Components

Joulwatt JW7112SOTB#TRPBF JW7112SOTB

ModelJW7112SOTB#TRPBF
PackageSOT-23-6
BrandJoulwatt
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Joulwatt JW7112SOTB#TRPBF
Type
JOULWATT
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JOULWATT
Electronic Component
JW7112SOTB#TRPBF
Electronic Component
1
Package
SOT-23-6
Type
Load Switch
Electronic Component
Power Electronic Switch
Electronic Component
1g
Electronic Component
1
Channel Count
1
Features
(OTP); (SCP); (OCP); (UVP)
Electronic Component
BM0261486706
Resistor
50mΩ
Operating Temperature
40℃~+125℃
Operating Voltage
2.8V~16V
Current
3A

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

JW7112SOTB#TRPBF 产品概述

一、产品简介

JW7112SOTB#TRPBF 是杰华特(Joulwatt)推出的一款单通道负载开关(Power-Distribution Switch),专为中等电流分配和保护设计。器件工作电压范围宽(2.8V 至 16V),最大连续输出电流可达 3A,导通电阻典型值为 50mΩ,封装为常用的 SOT-23-6,适合体积受限的便携与车规级应用场景。

二、主要功能与保护特性

  • 过热保护(OTP):器件在内部温度过高时自动关断,防止热失控。
  • 短路保护(SCP):对短路事件进行快速响应,限制输出故障电流并保护系统。
  • 过流保护(OCP):在持续电流超过设定值时进入限流或断开状态,保障负载与开关安全。
  • 欠压保护(UVP):当输入电压低于安全阈值时采取保护措施,防止异常工作。
  • 输入控制逻辑:高电平使能(EN 高电平有效),便于与 MCU、PMIC 等控制器直接接口。

三、电气与环境规格

  • 工作电压:2.8V ~ 16V,适配多种电源体系(包括车载 12V/24V 旁路场景)。
  • 最大连续电流:3A,适合驱动一般外设、通信模块及功率相对中等的负载。
  • 导通电阻:50mΩ(典型),低阻抗有助于减小导通损耗与发热。
  • 工作温度范围:-40℃ ~ +125℃,满足工业与车规级温度需求。
  • 包装与合规:SOT-23-6,型号后缀 #TRPBF 标示卷带供货和无铅环保(RoHS)处理。

四、典型应用场景

  • 移动设备与便携终端的电源分配与外设开关;
  • 工业控制、通信设备的电源管理;
  • 车载电源开关与负载保护(依据系统设计进行额定电流热耗评估);
  • 电池供电系统的负载隔离与电源切换。

五、布局与使用建议

  • 输入(IN)与输出(OUT)引脚附近放置足够容量的去耦电容,建议 CIN 放近 IN,COUT 放近 OUT,以抑制瞬态电压降及限流动作引起的振荡。典型去耦可选 1µF–10µF(依据系统 ESL/ESR 调整)。
  • PCB 布线应保证 IN/OUT 的铜箔尽可能宽大以降低寄生电阻并提升散热;若条件允许,增加底层过铜平面连接散热。
  • EN 为高电平有效控制端,与系统逻辑直接相连时注意 EN 电平需符合工作电压范围,避免在欠压或快速上电过程中产生不确定状态。
  • 在高环境温度或连续大电流工作时需做热耗评估并考虑降额使用,避免长时间接近器件热关断阈值。

六、产品优势与选型要点

  • 低导通阻抗(50mΩ)与 3A 连续能力在 SOT-23-6 封装中提供良好的功率效率与体积优势;
  • 完备的硬件保护(OTP/SCP/OCP/UVP)减少外部保护元件需求,提高系统可靠性;
  • 宽电压范围(2.8V–16V)使其在从锂电到车载供电等多场景中具有较高适配性;
  • 选型时关注系统最大瞬态电流、热设计与 EN 驱动电平,以确保长期稳定运行。

如需进一步的电气参数曲线、典型应用电路或封装引脚定义图纸(PCB 封装建议),可提供详尽资料以便进行电路验证与布局优化。

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