Overview
The INA286AQDRQ1 is a high-precision, bidirectional current sense amplifier manufactured by Texas Instruments. Designed for automotive applications, this component is part of the INA286-Q1 family, which is AEC-Q100 qualified for reliability in harsh environments. The INA286AQDRQ1 is ideal for monitoring current in automotive systems such as battery management, motor control, and power distribution. Its unique selling points include high accuracy, wide common-mode voltage range, and robust performance in automotive-grade applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2.7 to 5.5 | V | Operating range |
| Common-Mode Voltage | -16 to 80 | V | Wide range |
| Gain | 50, 100, 200 | V/V | Selectable |
| Accuracy | ±0.5 | % | Maximum error |
| Bandwidth | 110 | kHz | Typical value |
| Operating Temperature | -40 to 125 | °C | Automotive-grade |
| Package | SOIC-8 | - | Surface mount |
| AEC-Q100 Qualified | Yes | - | For automotive use |
Key Features
- High Accuracy: ±0.5% maximum error ensures precise current measurement.
- Wide Common-Mode Voltage Range: Supports -16V to 80V, making it suitable for diverse applications.
- Selectable Gain: Offers flexibility with gain options of 50V/V, 100V/V, and 200V/V.
- Automotive-Grade: AEC-Q100 qualified for reliable performance in automotive environments.
- Low Power Consumption: Optimized for energy efficiency in battery-powered systems.
Applications
The INA286AQDRQ1 is widely used in automotive systems, including:
- Battery Management Systems (BMS): Monitors charging and discharging currents in electric and hybrid vehicles.
- Motor Control: Measures current in electric motors for precise control and protection.
- Power Distribution: Ensures safe and efficient current monitoring in power distribution networks.
- Load Detection: Detects and measures current in various automotive loads for diagnostics and control.
Q & A
1. What is the operating voltage range of the INA286AQDRQ1?
The operating voltage range is 2.7V to 5.5V.
2. Is the INA286AQDRQ1 suitable for automotive applications?
Yes, it is AEC-Q100 qualified for automotive use.
3. What is the common-mode voltage range of this device?
The common-mode voltage range is -16V to 80V.
4. Can the gain be adjusted?
Yes, the gain is selectable among 50V/V, 100V/V, and 200V/V.
5. What is the accuracy of the INA286AQDRQ1?
The accuracy is ±0.5% maximum error.
6. What is the typical bandwidth of this amplifier?
The typical bandwidth is 110kHz.
7. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
8. What package does the INA286AQDRQ1 come in?
It comes in an SOIC-8 surface-mount package.
9. Is this device suitable for battery management systems?
Yes, it is ideal for monitoring current in battery management systems.
10. Does the INA286AQDRQ1 support bidirectional current sensing?
Yes, it supports bidirectional current sensing.
