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INA209AIPW from TI,Texas Instruments

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INA209AIPW

Manufacturer: TI

26-V, Bi-Directional, Low-/High-Side, I2C Out Current/Power Monitor & High-Speed Comparator 16-TSSOP -40 to 125

Partnumber Manufacturer Quantity Availability
INA209AIPW TI 720 In Stock

Description and Introduction

26-V, Bi-Directional, Low-/High-Side, I2C Out Current/Power Monitor & High-Speed Comparator 16-TSSOP -40 to 125 The INA209AIPW is a high-side current shunt and power monitor manufactured by Texas Instruments (TI). Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** INA209AIPW  
- **Package:** TSSOP-16  
- **Operating Temperature Range:** -40°C to +125°C  
- **Supply Voltage Range:** 3V to 5.5V  
- **Current Sensing Range:** ±3.2A (programmable via external shunt resistor)  
- **Bus Voltage Range:** 0V to +26V  
- **Resolution:** 12-bit ADC for current and voltage measurements  
- **Accuracy:**  
  - ±1% (max) for current measurement  
  - ±0.5% (max) for bus voltage measurement  
- **Interface:** I²C-compatible (up to 400kHz)  
- **Power Consumption:** 700µA (typical)  

### **Descriptions:**  
The INA209AIPW is a precision current shunt and power monitor IC that provides digital readouts of current, bus voltage, and power consumption. It is designed for high-side current sensing applications and includes an integrated 12-bit ADC for accurate measurements. The device communicates via an I²C interface, making it suitable for system monitoring in power-sensitive applications.  

### **Features:**  
- **High-Side Current Sensing:** Monitors current flow without disrupting the ground path.  
- **Wide Input Voltage Range:** Supports bus voltages up to 26V.  
- **Programmable Alert Function:** Configurable thresholds for overcurrent, undervoltage, and power conditions.  
- **Low Offset Voltage:** Minimizes measurement errors.  
- **Digital Output:** Provides direct digital readings via I²C.  
- **Power Calculation:** Computes power consumption in real-time.  
- **Small Form Factor:** TSSOP-16 package for space-constrained designs.  

This device is commonly used in battery management, power supplies, and industrial control systems for accurate power monitoring.

Application Scenarios & Design Considerations

26-V, Bi-Directional, Low-/High-Side, I2C Out Current/Power Monitor & High-Speed Comparator 16-TSSOP -40 to 125

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