WMSIC Electronic Components

TI TPS2001DDBVR

ModelTPS2001DDBVR
PackageSOT-23-5
BrandTI
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 22+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TI(Texas Instruments) TPS2001DDBVR
Type
TI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TI(Texas Instruments)
Electronic Component
TPS2001DDBVR
Electronic Component
1
Package
SOT-23-5
Type
Load Switch
Electronic Component
Power Electronic Switch
Electronic Component
0.043g
Electronic Component
1
Channel Count
1
Features
Integrated Charge Pump; Current; Output
Electronic Component
BM0264452438
Resistor
72mΩ
Operating Temperature
40℃~+85℃
Operating Voltage
5.5V
Current
2A

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

TPS2001DDBVR 功率负载开关产品概述

一、产品核心定位与应用场景

TPS2001DDBVR是德州仪器(TI)推出的单通道低压功率负载开关,专为1.8V~5.5V电压范围、≤2A电流的功率控制场景设计,兼具高效能、小体积与高可靠性,广泛适配以下领域:

  • 便携式电子:手机、平板、智能手环等设备的外设供电控制;
  • 物联网终端:传感器节点、无线模块的电源通断管理(降低待机功耗);
  • 消费电子:USB耳机、小型充电器、智能家居设备的电源路径控制;
  • 工业/车载配件:车载充电器、小型工业传感器的宽温环境适配。

其核心作用是替代传统机械开关或分立MOS管方案,简化电路设计的同时提升系统可靠性。

二、关键电气参数详解

1. 基本控制与功率能力

  • 通道数:单通道设计,结构简洁,适合单负载的精准控制;
  • 控制逻辑:高电平有效(典型导通阈值2V),可直接对接MCU、FPGA等逻辑电路,无需电平转换;
  • 最大连续电流:2A(典型),满足多数低压负载的功率需求(如小型电机、存储芯片、无线模块);
  • 工作电压范围:1.8V~5.5V,兼容锂电池(3.7V)、干电池(5V)、USB供电(5V)等常见电源,适配性强。

2. 功耗与效率

  • 导通电阻:典型值72mΩ,在2A连续电流下,输出压降仅≈0.144V,功率损耗≈0.288W——远低于传统分立MOS管(通常导通电阻>100mΩ),有效降低系统发热与功耗,延长电池续航。

3. 环境适应性

  • 工作温度范围:-40℃+85℃,覆盖工业级(-40℃+85℃)与消费级应用场景,可稳定工作于户外、车载等复杂环境。

三、核心保护功能解析

TPS2001DDBVR内置三重保护机制,无需额外外围电路即可保障电源与负载安全:

1. 过流保护(OCP)

当负载电流超过2.5A阈值(典型)时,开关自动限制电流至安全范围(≈1.2A),避免器件因过流发热损坏;若过流持续100ms以上,将关断输出,待故障排除后可通过重新触发控制端恢复工作。

2. 短路保护(SCP)

输出端短路至地时,开关快速关断(响应时间<1μs),防止短路电流过大损坏电源或负载;短路排除后,自动恢复导通,无需手动复位。

3. 过热保护(OTP)

当器件结温超过150℃阈值(典型)时,开关关断输出,避免过热烧毁;结温降至120℃左右时,自动恢复导通,提升系统容错能力。

四、封装与引脚说明

1. 封装类型

采用SOT-23-5小型表面贴装封装,尺寸仅2.9mm×2.5mm×1.1mm,占用空间极小,适合便携式设备的紧凑设计。

2. 引脚功能(SOT-23-5引脚定义)

引脚编号 名称 功能说明 1 VIN 电源输入(1.8V~5.5V) 2 GND 接地端 3 ON 控制端(高电平>2V导通,低电平<0.8V关断) 4 OUT 负载输出端 5 GND 接地端(双GND引脚降低接地阻抗,提升稳定性)

五、典型应用示例

1. 物联网传感器节点

通过TPS2001DDBVR控制温湿度传感器的供电:仅在MCU需要采集数据时(控制端ON置高)导通,其余时间关断,使传感器待机电流降至nA级,大幅延长电池寿命(典型可提升2~3倍)。

2. 便携式医疗设备(血糖仪)

控制测试模块的电源:当用户按下测试键时,MCU触发ON端高电平,开关导通供电;测试完成后关断,避免模块长期待机耗电,适配纽扣电池的小容量需求。

3. USB外设供电控制

用于USB耳机的供电:兼容USB 5V电压,2A电流满足耳机快充需求;短路保护可防止耳机插头短路损坏设备,过热保护避免充电时发热风险。

总结

TPS2001DDBVR凭借小封装、低导通电阻、多重保护与宽电压/温度范围,成为低压中小电流功率控制场景的优选方案。TI的成熟工艺与品质保障进一步提升了其可靠性,适合各类对空间、功耗与安全有严格要求的系统设计。

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