Texas Instruments INA226AIDGSR Digital Power Monitor with I2C Interface and Integrated ADC
"(《世界人权宣言》) INA226AIDGSR 从 集成电路制造商 is a high-accuracy, low-power digital power monitor that combines current, voltage, and power measurement capabilities into a single compact solution. Engineered for high-side or low-side current sensing, the INA226AIDGSR enables real-time power profiling in embedded systems, servers, battery-powered devices, and automotive electronics.
Electrical Characteristics and Operating Parameters
| 参数 | 价值 | 单位 |
|---|---|---|
| 电源电压（VCC) | 2.7 to 5.5 | V |
| Bus Voltage Range | 0 to 36 | V |
| Current Measurement Range | Depends on Shunt Resistor | – |
| 决议 | 16-bit | – |
| 界面 | I2C | – |
| 工作温度 | -40至+125 | °C |
| 包装 | TSSOP-16 | – |
Key Functional Features and System-Level Benefits
- Real-Time Power Measurement: The integrated 16-bit ADC ensures precise monitoring of voltage, current, and power.
- Wide Voltage Range: Capable of monitoring bus voltages up to 36V, supporting a wide array of applications.
- I2C Digital Interface: Easily integrates into microcontroller systems with configurable address settings.
- Alert and Limit Thresholds: Programmable functions enable system-level protection and efficient energy control.
- Compact Packaging: TSSOP-16 footprint supports high-density board layouts without sacrificing performance.
典型应用
- Server Power Monitoring
- Battery-Powered Portable Devices
- Power Supply Rails and Distribution Monitoring
- Embedded Power Profiling Systems
- Data Center Power Efficiency Management
Texas Instruments Reliability & Ecosystem
As part of Texas Instruments’ extensive analog IC portfolio, the INA226AIDGSR adheres to strict design and reliability standards. It is fully supported by TI’s ecosystem of reference designs, simulation models, and technical documentation to ensure faster time-to-market and robust integration.
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常见问题（FAQ）
What is the primary function of INA226AIDGSR?
The INA226AIDGSR is designed to monitor current, voltage, and power with high precision, using a built-in 16-bit ADC and an I2C-compatible interface for real-time digital readout.
Is INA226AIDGSR suitable for battery-operated systems?
Yes. Its low supply current and high accuracy make it ideal for monitoring power consumption in portable and battery-powered applications.
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How does the device handle power calculations?
It performs internal multiplication of voltage and current measurements to provide real-time power readings, reducing microcontroller computation overhead.
Can it alert the system when thresholds are exceeded?
Yes. Programmable limit registers can trigger alerts via the ALERT pin when voltage, current, or power exceed defined thresholds.
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What is the benefit of using the TSSOP-16 package?
The TSSOP-16 package allows for easy surface-mount integration, optimized thermal performance, and space-saving in compact PCB designs.
