WMSIC Electronic Components

TECH PUBLIC TPMP2359DJ

ModelTPMP2359DJ
PackageSOT-23-6
BrandTECH PUBLIC
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
TECH PUBLIC TPMP2359DJ
Type
TECH PUBLIC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TECH PUBLIC
Electronic Component
TPMP2359DJ
Electronic Component
1
Package
SOT-23-6
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.062g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0225773152
Operating Temperature
40℃~+85℃
Operating Voltage
4V~30V
Switching Frequency
1.4MHz
Electronic Component
Electronic Component
Output Current
1.2A

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

TPMP2359DJ 产品概述

一、概述

TPMP2359DJ 是台舟电子(TECH PUBLIC)推出的一款降压型可调 DC-DC 开关稳压芯片,采用降压(buck)拓扑、内置开关管并支持同步整流,封装为 SOT-23-6。器件适用于 4V 至 30V 宽输入电压范围、最高输出电流 1.2A 的场合,开关频率为 1.4MHz,工作温度范围为 -40℃ 至 +85℃,适合体积受限且对效率和电磁兼容有一定要求的电源设计。

二、主要特点

  • 宽输入电压:4V ~ 30V,适配汽车、工业及通信类供电源。
  • 可调输出:通过外部反馈分压实现任意所需输出电压(在器件允许范围内)。
  • 同步整流:内置同步整流 MOSFET,提高转换效率并减少热量,取消外部肖特基二极管的需要。
  • 内置开关管:简化外围器件选择与 PCB 布局,缩小整体方案尺寸。
  • 高频开关:1.4MHz 工作频率,有利于减小电感与电容体积,适合空间受限的便携或板载电源。
  • 封装:SOT-23-6,适合自动贴片装配。
  • 工作温度:-40℃ ~ +85℃,满足常见商规及工业级应用温度要求。

三、典型应用场景

  • 工业控制与嵌入式系统主电源或分支电源。
  • 通信设备、路由器及网关等板载电源模块。
  • 汽车电子(符合输入电压范围且需验证汽车电磁兼容性)。
  • 便携式仪器、手持设备与电池管理系统(需注意效率与待机功耗)。

四、设计与选型建议

  • 输出设置:采用外部分压电阻决定输出电压,建议使用阻值在几十千欧至几百千欧范围以平衡噪声与偏置电流影响。
  • 电感选择:根据工作频率 1.4MHz,可选体积小、直流电阻低且额定电流高于 1.2A 的功率电感。电感值按期望电流纹波与换能效率折衷选择。
  • 输入/输出滤波:输入侧靠近芯片放置低 ESR 陶瓷电容以抑制开关噪声;输出侧配合低 ESR 电容减小输出纹波并保证瞬态响应。
  • 热管理:SOT-23-6 封装散热依赖 PCB 铜箔面积,建议在芯片下方及引脚处增加大面积铜箔并配合过孔改善散热。高负载工况下注意器件温升与布局。
  • 布局要点:开关节点走线尽可能短且集中,输入电容与开关管引脚应紧邻,反馈网络远离开关噪声源以保证稳压精度。

五、注意事项

  • 虽为同步整流结构,但在极端断电或高热条件下需评估体内保护机制与启动/关断行为。
  • 在具体应用中须根据负载范围、输入瞬态和 EMI 要求做滤波与布板优化,必要时参考厂方评估板或参考设计以加快开发。

TPMP2359DJ 以其宽输入、内置开关与同步整流、高频工作等特性,适合对体积、效率和成本有综合要求的中低功率降压电源方案。

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