Overview
The INA2132UAG4 is a high-precision, low-power, bidirectional current-sensing amplifier manufactured by Burr Brown (a subsidiary of Texas Instruments). This product is designed for applications requiring accurate current measurement and monitoring. It is particularly suited for battery management systems, power supplies, and motor control applications. The INA2132UAG4 stands out for its high accuracy, low offset voltage, and wide common-mode voltage range, making it a competitive choice in the market for current-sensing solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2.7 to 26 | V | Single or dual supply |
| Common-Mode Voltage | -0.3 to 26 | V | Bidirectional |
| Gain | 20, 50, 100 | V/V | Selectable |
| Offset Voltage | ±150 | µV | Maximum |
| Bandwidth | 110 | kHz | Typical |
| Quiescent Current | 60 | µA | Per channel |
| Operating Temperature | -40 to 125 | °C | Industrial range |
| Package | MSOP-10 | - | Surface mount |
Key Features
- High Accuracy: Low offset voltage ensures precise current measurements.
- Bidirectional Sensing: Supports both positive and negative current flow.
- Wide Common-Mode Range: Operates from -0.3V to 26V, making it versatile for various applications.
- Low Power Consumption: Ideal for battery-powered devices with a quiescent current of 60µA per channel.
- Selectable Gain: Offers flexibility with gain options of 20, 50, and 100 V/V.
Applications
The INA2132UAG4 is widely used in applications requiring precise current monitoring and control. Key application areas include:
- Battery Management Systems: For monitoring charge and discharge currents in portable devices and electric vehicles.
- Power Supplies: To measure current in DC-DC converters and voltage regulators.
- Motor Control: For current sensing in motor drives and robotics.
- Industrial Automation: In control systems for accurate current feedback.
Q & A
1. What is the operating voltage range of the INA2132UAG4?
The INA2132UAG4 operates from 2.7V to 26V, supporting both single and dual supply configurations.
2. Can the INA2132UAG4 measure bidirectional current?
Yes, it supports bidirectional current sensing with a common-mode voltage range of -0.3V to 26V.
3. What gain options are available?
The amplifier offers selectable gain options of 20, 50, and 100 V/V.
4. What is the typical bandwidth of the INA2132UAG4?
The typical bandwidth is 110 kHz.
5. Is the INA2132UAG4 suitable for battery-powered devices?
Yes, its low quiescent current of 60µA per channel makes it ideal for battery-powered applications.
6. What is the maximum offset voltage?
The maximum offset voltage is ±150 µV.
7. What package does the INA2132UAG4 come in?
It is available in an MSOP-10 surface-mount package.
8. Can it operate in industrial environments?
Yes, it has an operating temperature range of -40°C to 125°C, suitable for industrial applications.
9. How does the INA2132UAG4 ensure accuracy?
Its low offset voltage and high precision design ensure accurate current measurements.
10. What are typical applications for this device?
Typical applications include battery management systems, power supplies, motor control, and industrial automation.
