Overview
The INA193AQDBVRQ1 is a current shunt monitor from Texas Instruments, designed for automotive applications and compliant with the AEC-Q100 standard. This device is part of the INA19xA-Q1 family, which can sense voltage drops across shunts at common-mode voltages ranging from –16 V to 80 V. It operates from a single supply voltage of 2.7 V to 18 V and is specified over an extended operating temperature range of –40°C to 125°C. The INA193AQDBVRQ1 is packaged in a space-saving SOT-23-5 package, making it suitable for various high-density applications.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Voltage (VS) | Full range | 2.7 | - | 18 | V |
| Common-Mode Input Voltage (VCM) | Full range | -16 | - | 80 | V |
| Bandwidth (BW) | CLOAD = 5 pF, 25°C | - | 500 kHz | - | kHz |
| Quiescent Current (IQ) | VOUT = 2 V, Full range | 700 | - | 1250 | μA |
| Gain | VSENSE ≥ 20 mV | - | 20 V/V | - | V/V |
| Slew Rate (SR) | VSENSE = 10 mV to 100 mVPP, CLOAD = 5 pF, 25°C | - | 1 V/μs | - | V/μs |
| Settling Time (ts) | VSENSE = 10 mV to 100 mVPP, CLOAD = 5 pF, 25°C | - | 2 μs | - | μs |
| Voltage Noise Density | 25°C | - | 40 nV/√Hz | - | nV/√Hz |
Key Features
- High Common-Mode Range: The INA193AQDBVRQ1 can sense voltage drops across shunts at common-mode voltages from –16 V to 80 V, making it versatile for various applications.
- Multiple Gain Options: Available with three output voltage scales: 20 V/V, 50 V/V, and 100 V/V, allowing for flexibility in different measurement scenarios.
- High Bandwidth: A bandwidth of up to 500 kHz simplifies use in current control loops and monitoring DC motor health.
- Low Power Consumption: Operates with a quiescent current of 700 μA to 1250 μA, depending on the configuration.
- Compact Packaging: Offered in a space-saving SOT-23-5 package, ideal for high-density designs.
- Extended Operating Temperature Range: Specified over –40°C to 125°C, ensuring reliability in harsh environments.
Applications
- Automotive Systems: Designed for automotive applications, complying with AEC-Q100 standards, making it suitable for vehicle battery management, motor control, and other automotive electronics.
- Industrial Automation: Used in industrial automation for monitoring and controlling DC motors, power supplies, and other high-current devices.
- Power Management: Ideal for power management systems where accurate current sensing is crucial, such as in power supplies, battery chargers, and renewable energy systems.
- Medical Devices: Can be used in medical devices that require precise current monitoring, such as in medical imaging equipment and patient monitoring systems.
Q & A
- What is the common-mode input voltage range of the INA193AQDBVRQ1?
The common-mode input voltage range is from –16 V to 80 V.
- What are the available gain options for the INA193AQDBVRQ1?
The device is available with three output voltage scales: 20 V/V, 50 V/V, and 100 V/V.
- What is the bandwidth of the INA193AQDBVRQ1?
The bandwidth is up to 500 kHz.
- What is the operating temperature range of the INA193AQDBVRQ1?
The device operates over an extended temperature range of –40°C to 125°C.
- What is the quiescent current of the INA193AQDBVRQ1?
The quiescent current ranges from 700 μA to 1250 μA.
- What is the package type of the INA193AQDBVRQ1?
The device is packaged in a SOT-23-5 package.
- Is the INA193AQDBVRQ1 suitable for automotive applications?
Yes, it is designed for automotive applications and complies with the AEC-Q100 standard.
- What is the slew rate of the INA193AQDBVRQ1?
The slew rate is 1 V/μs.
- What is the settling time of the INA193AQDBVRQ1?
The settling time is 2 μs for a 10 mV to 100 mVPP input signal with a 5 pF load capacitance.
- What is the voltage noise density of the INA193AQDBVRQ1?
The voltage noise density is 40 nV/√Hz at 25°C.
