放大器

使用电流感应放大器最大程度地优化系统

提供保护、反馈控制和系统监控的电流感应解决方案

模拟输出

集成整个模拟信号处理并提供电压或电流输出

集成比较器

在负载电流超出阈值时提供简单的警报信号

功率/电流监控器

集成整个信号调节路径并利用标准 2 线数字接口

集成分流器

提供低漂移、高精度的集成型感应元件

搜索所有的电流感应放大器

特色技术资源

浏览电流和功率测量使用案例

15 个电流感应放大器入门短视频

特色 TI Designs 参考设计和电流感应放大器产品

特色 TI Designs 参考设计

太阳能 MPPT 充电控制器

针对太阳能电池板输入(相当于 12V 和 24V 电池板)而创建的 20A MPPT 太阳能充电控制器

带有线性压降补偿的汽车 USB 充电器参考设计

为评估和验证 USB 充电器提供详细数据

-48V 隔离式电信电流/电压/功率传感

可报告承载 -48V 的总线上的电流、电压和功率

用于确定绝缘电阻的泄漏电流测量

用于测量高达 100MΩ 绝缘电阻的参考解决方案

适用于汽车 LED 照明的 24W 升压和升压到电池参考设计

适用于汽车 LED 应用的 24W 高效 (94%) 低成本异步升压设计

TI 技术手册

浏览电流和功率测量使用案例。每本 TI 技术手册均包括问题分析、实施选项和相关产品等内容。

TI 技术手册 下载技术手册 器件

Current Sensing in an H-Bridge

An overview of benefits for the most common locations current sensing is measured in an H-Bridge

PDF INA240

Switching Power Supply Current Measurements

A review of the tradeoffs and benefits for the multiple locations current can be measured in a switching power supply

PDF INA240

Integrated, Current Sensing Analog-to-Digital Converter

Current and power monitoring using an improved, integrated current sensing specific analog-to-digital converter

PDF INA226

High-Side Drive, High-Side Solenoid Monitor With PWM Rejections

A functional use case highlighting the improvements measuring current offers in solenoid control

PDF

LMP8278Q-Q1

INA240

Monitoring Current for Multiple Out-of-Range Conditions

A functional use case outlining solutions to identify and handle multiple failure conditions in a system

PDF

INA302

INA303

Precision, Low-Side Current Measurement

A review of the tradeoffs and advantages of current sense amplifiers in a low-side current measurements

PDF

INA199

INA210

Integrating the Current Sensing Resistor

An overview on layout, accuracy and stability improvements when integrating the current sense resistor

PDF INA250

Bi-Directional, Low-Side Phase Current Sensing with Integrated Over-Current Detection

A functional use case illustrating configurations for motor protection using low-side current sensing

PDF INA303

Low-Drift, Precision, In-Line Motor Current Measurements With Enhanced PWM Rejection

A functional use case, targeted at motor applications, that outlines a range of solutions for measuring in-line phase current

PDF

LMP8601

INA240

Low-Drift, Low-Side Current Measurements for Three Phase Systems

A functional use case outlining possible configurations for measuring a motor's phase current, with a focus on low-side implementations

PDF INA301

Measuring Current To Detect Out-of-Range Conditions

An overview of the reasons and benefits of having overcurrent protection as part of any system

PDF

INA300

INA301

Precision Current Measurements on High Voltage Power Supply Rails

A review of the benefits of using a current sensing amplifier to measure on the high-side of the shunt resistor

PDF INA210

High-Side Motor Current Monitoring for Over-Current Protection

Current monitoring of the DC-Link supply rail for lower complexity motor design

PDF INA240

Integrating the Current Sensing Signal Path

Understanding the benefits and trade-offs for the different types of current measurement approaches

PDF

INA210

INA226