Overview
The INA260AIPW from Texas Instruments is a digital-output, current, power, and voltage monitor designed with an I2C and SMBus™-compatible interface. It features an integrated precision shunt resistor, enabling high-accuracy current and power measurements. The device supports bidirectional, low- or high-side current sensing and can measure current flowing through the internal current-sensing resistor. It operates over a wide common-mode voltage range from 0 V to 36 V, independent of the supply voltage, which ranges from 2.7 V to 5.5 V. The INA260AIPW is suitable for various applications requiring precise current, voltage, 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 | Equivalent to 0.1% | - |
| Continuous Current | ±15 A (–40°C to +85°C) | A |
| Temperature Coefficient | 10 ppm/°C (0°C to +125°C) | - |
| Bus Voltage Range | 0 V to 36 V | V |
| System Gain Error | 0.15% (Maximum) | - |
| Offset | 5 mA (Maximum) | mA |
| Supply Voltage | 2.7 V to 5.5 V | V |
| Supply Current | 310 µA (Typical) | µA |
| Programmable Addresses | Up to 16 | - |
Key Features
- Precision Integrated Shunt Resistor: 2 mΩ with a tolerance equivalent to 0.1% and a temperature coefficient of 10 ppm/°C from 0°C to +125°C.
- High-Accuracy Measurements: 0.15% system gain error (maximum) and 5 mA offset (maximum).
- Configurable Averaging Options: Allows for flexible configuration of conversion times and continuous-versus-triggered operation.
- Programmable Addresses: Up to 16 programmable addresses on the I2C-compatible interface.
- Alert Thresholds: Programmable alert thresholds for over-current, under-current, bus voltage over-limit, and bus voltage under-limit.
- Internal Multiplier: Enables direct readouts of current in amperes and power in watts.
- High-Side or Low-Side Sensing: Supports both high-side and low-side current sensing.
- Operating Supply Voltage: Operates from a single 2.7-V to 5.5-V supply.
Applications
- Test Equipment: Ideal for precise current and power measurements in test and measurement devices.
- Servers and Data Centers: Used for power monitoring and management in server and data center applications.
- Telecom Equipment: Suitable for current and power monitoring in telecommunications equipment.
- Computing and Power Management: Applied in computing systems and power management units for accurate current and power monitoring.
- Battery Chargers and Power Supplies: Used in battery charging systems and power supplies to monitor current and power accurately.
Q & A
- What is the primary function of the INA260AIPW?
The INA260AIPW is a digital-output, current, power, and voltage monitor with an integrated precision shunt resistor.
- What is the operating temperature range of the INA260AIPW?
The operating temperature range is from –40°C to +125°C.
- What is the current sense resistance of the INA260AIPW?
The current sense resistance is 2 mΩ with a tolerance equivalent to 0.1%.
- What is the maximum continuous current the INA260AIPW can handle?
The device can handle up to ±15 A of continuous current from –40°C to +85°C.
- What is the supply voltage range for the INA260AIPW?
The supply voltage range is from 2.7 V to 5.5 V.
- How many programmable addresses does the INA260AIPW have?
The device has up to 16 programmable addresses on the I2C-compatible interface.
- What types of alerts can be programmed on the INA260AIPW?
The device can be programmed to alert for over-current, under-current, bus voltage over-limit, and bus voltage under-limit.
- What is the typical supply current of the INA260AIPW?
The typical supply current is 310 µA.
- What is the package type of the INA260AIPW?
The package type is 16-pin TSSOP.
- What are some common applications of the INA260AIPW?
Common applications include test equipment, servers, telecom equipment, computing, power management, battery chargers, and power supplies.
