WMSIC Electronic Components

TMI TMI62033

ModelTMI62033
PackageDFN-10(3x3)
BrandTMI
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
TMI TMI62033
Type
TMI
Minimum package
5000 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TMI
Electronic Component
TMI62033
Electronic Component
1
Package
DFN-10(3x3)
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.132g
Electronic Component
1
Features
Built-in;;; Output
Electronic Component
BM0266115310
Operating Temperature
40℃~+125℃@(Tj)
Operating Voltage
3.5V
Output
Electronic Component
Output Voltage
1.1V~3.5V
Output Current
3A
Output Type
Electronic Component

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

TMI62033 3A可调输出同步降压转换器产品概述

TMI62033是拓尔微(TMI)推出的单通道同步降压转换器,主打小封装、大电流、宽温适应性,专为需要高效稳定供电的便携式设备、工业控制及车载电子等场景设计。以下从核心特性、参数解析、应用场景等维度展开详细说明。

一、产品核心特性与定位

TMI62033的设计围绕“高效能+高可靠性+小体积”展开,核心特性清晰:

  1. 宽范围可调输出:输出电压支持1.1V~3.5V连续调节,适配不同负载对电压的差异化需求;
  2. 大电流输出能力:连续输出电流可达3A,满足多模块同时供电的功率需求;
  3. 低静态电流:静态电流(Iq)仅1mA,平衡了效率与功耗,适合长期工作场景;
  4. 集成保护功能:内置软启动(抑制上电浪涌)、PG电源好指示(输出稳定后输出高电平)、过热保护(结温超阈值自动关断);
  5. 宽结温范围:工作结温覆盖-40℃~+125℃,符合工业级与车载级环境要求。

二、关键参数深度解析

1. 输入输出特性

  • 输入电压:额定工作电压3.5V,可稳定支持单节锂电池放电末期等低电压输入场景;
  • 输出电压:1.1V~3.5V可调,通过外部电阻分压即可设置目标电压,调节灵活;
  • 输出极性:正极输出,适配大多数负载的供电接口需求;
  • 输出电流:3A连续输出,峰值电流可满足短时间过载(如启动瞬间),无需额外降额。

2. 效率与静态电流

静态电流1mA的设计,在3A大电流应用中处于合理区间——既避免了超低静态电流带来的控制精度下降,又能减少待机功耗,适合工业传感器、车载控制器等长期工作的设备。

3. 保护机制

  • 软启动:内部集成软启动电路,上电时输出电压缓慢上升(典型1ms),有效抑制浪涌电流,保护后端负载与电源;
  • PG电源好指示:输出电压达到稳定值的90%以上时,PG脚输出高电平,可连接MCU或LED,方便系统实时监测供电状态;
  • 过热保护:结温超150℃(典型值)时自动关断,降至125℃以下恢复工作,避免过热损坏。

三、封装与应用场景

TMI62033采用DFN-10(3×3mm)封装,具备三大优势:

  • 体积紧凑:3×3mm尺寸适配空间受限的便携式设备(如智能手环、小型医疗仪器);
  • 散热优异:DFN封装热阻低,配合PCB接地平面可有效散发热量,满足3A电流下的散热需求;
  • 布线便捷:10引脚设计兼顾功能与布线,减少PCB设计难度。

典型应用场景:

  1. 车载电子:仪表盘、车载摄像头、TPMS模块供电(宽温适配-40℃~85℃车载环境);
  2. 工业控制:PLC模块、传感器节点供电(3A电流满足多传感器同时工作);
  3. 消费电子:便携式打印机、移动电源快充模块(小封装适配紧凑结构);
  4. 医疗设备:小型监护仪、血糖仪供电(稳定输出保障设备精度)。

四、典型设计注意事项

  1. 输出电压调节:通过外部电阻Rtop(上拉)与Rbottom(下拉)分压设置,公式为Vout = 0.8V × (1 + Rtop/Rbottom)(参考电压0.8V),需用1%精度电阻保证输出精度;
  2. PCB布局优化:大电流路径(输入/输出电容到芯片引脚)需加粗(≥1mm)并缩短长度,接地平面需完整减少热阻;
  3. 电容选择:输入电容建议10μF陶瓷电容,输出电容用22μF陶瓷电容(ESR≤5mΩ),保证纹波抑制效果;
  4. PG脚应用:可直接接MCU GPIO或串联LED(+1kΩ限流电阻)指示输出状态,无需额外驱动。

五、可靠性与环境适应性

TMI62033的-40℃~+125℃结温范围覆盖绝大多数工业与车载场景,且通过ESD、EFT等可靠性测试,可在恶劣环境下长期稳定工作。静态电流在全温度范围内保持稳定,不会因温度变化导致功耗波动。

综上,TMI62033凭借小封装、大电流、宽温特性及集成保护功能,成为低电压输入、可调输出场景的理想选择,尤其适合对体积、可靠性要求较高的工业与车载应用。

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