사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| ProductStatus | Active |
| AmplifierType | Current Sense |
| NumberofCircuits | 1 |
| OutputType | Rail-to-Rail |
| SlewRate | 2V/µs |
| GainBandwidthProduct | 210 kHz |
| Current-InputBias | 75 µA |
| Voltage-InputOffset | 100 µV |
| Current-Supply | 195µA |
| Current-Output/Channel | 8 mA |
| Voltage-SupplySpan(Min) | 2.7 V |
| Voltage-SupplySpan(Max) | 5.5 V |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SOT-23-6 |
개요
Description
The INA181A2QDBVRQ1 is a precision, current-sense amplifier produced by Texas Instruments. It is designed to provide accurate current measurements in a variety of applications, including automotive and industrial systems. The device offers a wide supply voltage range from 2.7V to 5.5V, making it versatile for various circuit configurations. It features a fixed gain of 50, allowing for amplified output signals that are easier to interpret in monitoring systems.
This amplifier is part of the INA181 series, known for its small size and low offset voltage, which enhances measurement precision. It operates with a low quiescent current, contributing to energy-efficient designs. The INA181A2QDBVRQ1 is AEC-Q100 qualified, indicating its suitability for automotive applications where reliability and performance are critical. Its package type, typically SOT-23, ensures compact integration into PCBs, saving board space. The device is particularly useful for bidirectional current sensing, motor control, battery management systems, and power supply monitoring. Its robust design enables operation in harsh conditions, making it a reliable choice for challenging environments.
This amplifier is part of the INA181 series, known for its small size and low offset voltage, which enhances measurement precision. It operates with a low quiescent current, contributing to energy-efficient designs. The INA181A2QDBVRQ1 is AEC-Q100 qualified, indicating its suitability for automotive applications where reliability and performance are critical. Its package type, typically SOT-23, ensures compact integration into PCBs, saving board space. The device is particularly useful for bidirectional current sensing, motor control, battery management systems, and power supply monitoring. Its robust design enables operation in harsh conditions, making it a reliable choice for challenging environments.
Equivalent
Equivalent products to the INA181A2QDBVRQ1, a current-sense amplifier, include the MAX40080, AD8418, and the MCP6C02. Each of these offers similar functionality for current sensing applications, but may vary in specifications such as bandwidth, gain, and input voltage range. When selecting an equivalent, it's important to verify that the specific parameters align with your application needs.
Features
The INA181A2QDBVRQ1 is a precision current sense amplifier from Texas Instruments, tailored for automotive applications. Key features include:
1. Wide Supply Voltage Range: Operates from 2.7V to 5.5V, making it versatile for various systems.
2. Current Sensing: Measures voltage across a shunt resistor to determine current, suitable for both high-side and low-side applications.
3. High Precision: Offers low offset voltage and drift, ensuring accurate current measurement.
4. Gain Options: Available in four gain variants (20, 50, 100, and 200 V/V) for different sensitivity requirements.
5. Automotive-Grade: AEC-Q100 qualified, meeting stringent automotive standards for reliability and durability.
6. Low Power Consumption: Features low quiescent current, beneficial for battery-powered applications.
7. Operational Temperature: Functions effectively over an extended temperature range from -40°C to 125°C.
8. Package: Comes in a space-saving SOT-23-6 package, aiding compact design requirements.
These features make the INA181A2QDBVRQ1 ideal for automotive and industrial applications that require precise current monitoring.
1. Wide Supply Voltage Range: Operates from 2.7V to 5.5V, making it versatile for various systems.
2. Current Sensing: Measures voltage across a shunt resistor to determine current, suitable for both high-side and low-side applications.
3. High Precision: Offers low offset voltage and drift, ensuring accurate current measurement.
4. Gain Options: Available in four gain variants (20, 50, 100, and 200 V/V) for different sensitivity requirements.
5. Automotive-Grade: AEC-Q100 qualified, meeting stringent automotive standards for reliability and durability.
6. Low Power Consumption: Features low quiescent current, beneficial for battery-powered applications.
7. Operational Temperature: Functions effectively over an extended temperature range from -40°C to 125°C.
8. Package: Comes in a space-saving SOT-23-6 package, aiding compact design requirements.
These features make the INA181A2QDBVRQ1 ideal for automotive and industrial applications that require precise current monitoring.
Pinout
The INA181A2QDBVRQ1 is a precision current sense amplifier from Texas Instruments. It comes in a SOT-23-5 package, which means it has a total of 5 pins. Here is a brief overview of the pin configuration and function:
1. V+ (Pin 5): Power supply pin. The voltage applied here powers the amplifier.
2. GND (Pin 2): Ground pin. It is the reference point for the input and output voltages.
3. VIN+ (Pin 3): Non-inverting input pin. This pin connects to the positive side of the shunt resistor.
4. VIN- (Pin 4): Inverting input pin. This pin connects to the negative side of the shunt resistor.
5. OUT (Pin 1): Output pin. It provides the amplified voltage output proportional to the difference between VIN+ and VIN-.
The INA181A2QDBVRQ1 is used for current sensing applications and features a fixed gain and operates on a supply voltage ranging from 2.7V to 5.5V.
1. V+ (Pin 5): Power supply pin. The voltage applied here powers the amplifier.
2. GND (Pin 2): Ground pin. It is the reference point for the input and output voltages.
3. VIN+ (Pin 3): Non-inverting input pin. This pin connects to the positive side of the shunt resistor.
4. VIN- (Pin 4): Inverting input pin. This pin connects to the negative side of the shunt resistor.
5. OUT (Pin 1): Output pin. It provides the amplified voltage output proportional to the difference between VIN+ and VIN-.
The INA181A2QDBVRQ1 is used for current sensing applications and features a fixed gain and operates on a supply voltage ranging from 2.7V to 5.5V.
Manufacturer
The INA181A2QDBVRQ1 is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of electronic products. They are known for their development of analog chips and embedded processors, which are used in various applications across industries such as automotive, industrial, personal electronics, and communications equipment. TI is one of the largest semiconductor companies in the world and has a reputation for innovation and quality in the electronics industry.
Application
The INA181A2QDBVRQ1 is a current-sense amplifier commonly used in automotive and industrial applications. Its primary application areas include battery management systems, motor control, and power monitoring. In automotive systems, it helps in monitoring battery currents, managing power distribution, and ensuring efficient energy use. In industrial environments, it can be used for motor and load control, protecting equipment by monitoring current flow, and enhancing energy efficiency in systems. Its high precision and wide operating temperature range make it suitable for harsh environments.
Package
The INA181A2QDBVRQ1 is an automotive-qualified current sense amplifier from Texas Instruments. It is packaged in a SOT-23-6, which is a small outline transistor package with 6 leads. This type of package is compact, making it suitable for space-constrained applications.
