Overview
The INA180A1IDBVT is a current sense amplifier produced by Texas Instruments. It is part of the INAx180 family, which includes single-channel, dual-channel, and quad-channel devices. This specific model, INA180A1IDBVT, is a single-channel device designed for cost-optimized applications. It is capable of sensing voltage drops across current-sense resistors at common-mode voltages ranging from –0.2 V to +26 V, independent of the supply voltage. The device operates from a single 2.7-V to 5.5-V power supply and is available in a 5-pin SOT-23 package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-23 (DBV) | |
| Pins | 5 | |
| Operating Temperature Range | –40 to 125 | °C |
| Supply Voltage (VS) | 2.7 to 5.5 | V |
| Common-Mode Range (VCM) | –0.2 to +26 | V |
| Bandwidth (A1 devices) | 350 kHz | |
| Offset Voltage (maximum at VCM = 0 V) | ±150 µV | |
| Output Slew Rate | 2 V/µs | |
| Gain Error (maximum) | ±1% | |
| Gain Options | 20 V/V (A1 devices) | |
| Quiescent Current (maximum) | 260 µA |
Key Features
- High Bandwidth: 350 kHz for A1 devices, ensuring high-speed signal processing.
- Wide Common-Mode Range: –0.2 V to +26 V, allowing the device to operate in various voltage environments.
- Low Offset Voltage: ±150 µV (maximum) at VCM = 0 V, and ±500 µV (maximum) at VCM = 12 V, ensuring high accuracy.
- Fixed Gain Options: Available in gains of 20 V/V, 50 V/V, 100 V/V, and 200 V/V, providing flexibility in application design.
- Low Quiescent Current: Maximum of 260 µA, making it power-efficient.
- High Output Slew Rate: 2 V/µs, enabling fast response times.
- Single Supply Operation: Operates from a single 2.7-V to 5.5-V power supply.
Applications
- Motor Control: For monitoring and controlling motor currents.
- Battery Monitoring: To measure battery current and voltage accurately.
- Power Management: In power supply units and power management systems.
- Lighting Control: For current sensing in lighting systems.
- Overcurrent Detection: To protect against overcurrent conditions.
- Solar Inverters: For monitoring and controlling solar panel currents.
Q & A
- What is the operating temperature range of the INA180A1IDBVT?
The operating temperature range is –40°C to +125°C.
- What is the common-mode range of the INA180A1IDBVT?
The common-mode range is –0.2 V to +26 V.
- What are the gain options available for the INA180A1IDBVT?
The gain options are 20 V/V, 50 V/V, 100 V/V, and 200 V/V.
- What is the maximum quiescent current of the INA180A1IDBVT?
The maximum quiescent current is 260 µA.
- What is the bandwidth of the INA180A1IDBVT?
The bandwidth for A1 devices is 350 kHz.
- What is the output slew rate of the INA180A1IDBVT?
The output slew rate is 2 V/µs.
- What is the package type and pin count of the INA180A1IDBVT?
The package type is SOT-23 (DBV) with 5 pins.
- What are some typical applications of the INA180A1IDBVT?
Typical applications include motor control, battery monitoring, power management, lighting control, overcurrent detection, and solar inverters.
- What is the supply voltage range for the INA180A1IDBVT?
The supply voltage range is 2.7 V to 5.5 V.
- What is the maximum offset voltage of the INA180A1IDBVT at VCM = 0 V?
The maximum offset voltage at VCM = 0 V is ±150 µV.
