Overview
The INA260AIPWR is a precision digital current, power, and voltage monitor produced by Texas Instruments. This device features an I2C and SMBus™-compatible interface and is integrated with a precision shunt resistor. It is designed to provide high-accuracy measurements of current, voltage, and power, and it supports over-current detection across a wide range of common-mode voltages from 0 V to 36 V. The INA260AIPWR operates from a single 2.7-V to 5.5-V power supply and is available in a 16-pin TSSOP package. It is suitable for various applications requiring precise current and power monitoring.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | TSSOP (PW) | - |
| Pins | 16 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Current Sense Resistance | 2 mΩ | - |
| Tolerance of Current Sense Resistance | Equivalent to 0.1% | - |
| Continuous Current Rating | 15 A (-40°C to +85°C) | - |
| Temperature Coefficient | 10 ppm/°C (0°C to +125°C) | - |
| Bus Voltage Range | 0 V to 36 V | - |
| System Gain Error | 0.15% (Maximum) | - |
| Offset Current | 5 mA (Maximum) | - |
| Power Supply Range | 2.7 V to 5.5 V | - |
| Supply Current | 310 µA (Typical) | - |
| Interface | I2C and SMBus™-compatible | - |
| Programmable Addresses | Up to 16 | - |
Key Features
- Precision Integrated Shunt Resistor: With a resistance of 2 mΩ and a tolerance equivalent to 0.1%, ensuring high accuracy and low temperature drift.
- High-Accuracy Measurements: Offers a system gain error of 0.15% (maximum) and an offset current of 5 mA (maximum).
- Configurable Averaging Options: Allows for flexible configuration of ADC conversion times and averaging.
- Programmable Alert Thresholds: Supports programmable alert thresholds for over-current, under-current, over-voltage, and under-voltage conditions.
- High-Side or Low-Side Sensing: Capable of measuring current in both high-side and low-side configurations.
- Digital Interface: Features an I2C and SMBus™-compatible interface with up to 16 programmable addresses.
- Internal Multiplier: Enables direct readouts of current in amperes and power in watts.
- Operating Voltage Range: Operates from a 2.7-V to 5.5-V power supply.
Applications
- Test Equipment: Ideal for precise current and power measurements in test and measurement devices.
- Servers and Data Centers: Used for monitoring power consumption and current in server and data center environments.
- Telecom Equipment: Suitable for telecommunications equipment requiring accurate power and current monitoring.
- Computing Systems: Applied in computing systems for power management and current sensing.
- Battery Chargers and Power Supplies: Used in battery charging systems and power supplies to monitor current and power accurately.
Q & A
- What is the operating temperature range of the INA260AIPWR?
The INA260AIPWR operates over a temperature range of -40°C to 125°C.
- What is the current sense resistance of the INA260AIPWR?
The current sense resistance is 2 mΩ with a tolerance equivalent to 0.1%.
- What is the maximum continuous current rating of the INA260AIPWR?
The device can handle up to 15 A of continuous current from -40°C to +85°C.
- What is the power supply voltage range for the INA260AIPWR?
The device operates from a 2.7-V to 5.5-V power supply).
- Does the INA260AIPWR support programmable addresses?
Yes, it supports up to 16 programmable addresses on the I2C-compatible interface).
- What types of sensing does the INA260AIPWR support?
The device supports both high-side and low-side current sensing).
- Can the INA260AIPWR measure voltage and power in addition to current?
Yes, it can measure and report current, voltage, and power).
- What is the typical supply current of the INA260AIPWR?
The typical supply current is 310 µA).
- Does the INA260AIPWR have an alert function?
Yes, it has an ALERT pin that can be programmed to respond to various user-defined events).
- What are some common applications of the INA260AIPWR?
Common applications include test equipment, servers, telecom equipment, computing systems, battery chargers, and power supplies).
