規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Current Sense |
| SensingMethod | High/Low-Side |
| Accuracy | ±1.5% |
| Voltage-Input | -0.3V ~ 26V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 6-TSSOP, SC-88, SOT-363 |
概述
Description
The INA199A2DCKR is a precision current-shunt monitor from Texas Instruments, designed for applications requiring accurate current measurements. It operates with a supply voltage range of 2.7V to 26V, making it versatile for various systems. The device provides a fixed gain of 50V/V and is part of the INA199 series, which is known for low offset voltage and high common-mode rejection, ensuring precise measurements even in noisy environments.
This monitor is suitable for high-side current sensing, which allows for the measurement of load current without interrupting the ground side of the circuit, thus preserving system integrity. The INA199A2DCKR features a small footprint with a 6-pin SC70 package, making it ideal for space-constrained applications.
Common use cases include battery management systems, power supplies, automotive applications, and general-purpose current sensing. Its low input bias current and accurate performance over temperature variations make it a reliable choice for both industrial and consumer electronics.
This monitor is suitable for high-side current sensing, which allows for the measurement of load current without interrupting the ground side of the circuit, thus preserving system integrity. The INA199A2DCKR features a small footprint with a 6-pin SC70 package, making it ideal for space-constrained applications.
Common use cases include battery management systems, power supplies, automotive applications, and general-purpose current sensing. Its low input bias current and accurate performance over temperature variations make it a reliable choice for both industrial and consumer electronics.
Equivalent
Equivalent products to the INA199A2DCKR, a precision current sense amplifier, include:
1. MAX9634 from Maxim Integrated.
2. AD8418 from Analog Devices.
3. TSC2010 from STMicroelectronics.
4. ZXCT1082 from Diodes Incorporated.
These alternatives offer similar functionalities and specifications, but it's important to compare their specific parameters to ensure compatibility with your application.
1. MAX9634 from Maxim Integrated.
2. AD8418 from Analog Devices.
3. TSC2010 from STMicroelectronics.
4. ZXCT1082 from Diodes Incorporated.
These alternatives offer similar functionalities and specifications, but it's important to compare their specific parameters to ensure compatibility with your application.
Features
The INA199A2DCKR is a high-precision current shunt monitor used primarily in power management and battery-operated electronics. Key features include:
1. Wide Supply Voltage Range: Operates from 2.7V to 26V, making it versatile for various applications.
2. High Accuracy: It offers excellent accuracy with a low offset voltage and a gain error of ±1.5%, which is crucial for precise current measurements.
3. Low Quiescent Current: Consumes a low quiescent current of about 65µA, ideal for battery-powered devices.
4. Gain Option: The device comes with a fixed gain of 50V/V, suitable for applications requiring mid-range amplification.
5. Wide Input Common-Mode Range: Operates over a wide input common-mode voltage range of –0.3V to +26V, independent of the supply voltage.
6. Small Package: Available in a compact SC70-6 package, which is beneficial for space-constrained applications.
7. Temperature Range: Supports an operating temperature range of –40°C to +125°C, allowing it to function in harsh environments.
These features make the INA199A2DCKR an efficient and reliable choice for current sensing in various electronic applications.
1. Wide Supply Voltage Range: Operates from 2.7V to 26V, making it versatile for various applications.
2. High Accuracy: It offers excellent accuracy with a low offset voltage and a gain error of ±1.5%, which is crucial for precise current measurements.
3. Low Quiescent Current: Consumes a low quiescent current of about 65µA, ideal for battery-powered devices.
4. Gain Option: The device comes with a fixed gain of 50V/V, suitable for applications requiring mid-range amplification.
5. Wide Input Common-Mode Range: Operates over a wide input common-mode voltage range of –0.3V to +26V, independent of the supply voltage.
6. Small Package: Available in a compact SC70-6 package, which is beneficial for space-constrained applications.
7. Temperature Range: Supports an operating temperature range of –40°C to +125°C, allowing it to function in harsh environments.
These features make the INA199A2DCKR an efficient and reliable choice for current sensing in various electronic applications.
Pinout
The INA199A2DCKR is a current-shunt monitor from Texas Instruments, designed to measure small differential voltages across a shunt resistor in the presence of high common-mode voltages. It comes in a small SOT-23 package.
This device has a pin count of 5. The typical pin configuration is:
1. IN+: Non-inverting input, connected to the high side of the shunt.
2. IN-: Inverting input, connected to the low side of the shunt.
3. GND: Ground connection.
4. OUT: Output voltage, proportional to the differential input voltage.
5. VS: Power supply voltage input.
The INA199A2DCKR provides a fixed gain, allowing it to amplify the input voltage and produce an output voltage that is easily measurable by an analog-to-digital converter or other circuits. It is used in applications requiring current measurement, such as power management systems, and is valued for its ability to function accurately over a wide range of common-mode voltages.
This device has a pin count of 5. The typical pin configuration is:
1. IN+: Non-inverting input, connected to the high side of the shunt.
2. IN-: Inverting input, connected to the low side of the shunt.
3. GND: Ground connection.
4. OUT: Output voltage, proportional to the differential input voltage.
5. VS: Power supply voltage input.
The INA199A2DCKR provides a fixed gain, allowing it to amplify the input voltage and produce an output voltage that is easily measurable by an analog-to-digital converter or other circuits. It is used in applications requiring current measurement, such as power management systems, and is valued for its ability to function accurately over a wide range of common-mode voltages.
Manufacturer
The INA199A2DCKR is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components. The company is well-known for its development of analog chips, embedded processors, and a variety of other semiconductor devices used in electronics systems. Texas Instruments serves numerous industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. Founded in 1930 and headquartered in Dallas, Texas, the company has established itself as a leader in the semiconductor industry, focusing on innovation and technology development.
Application
The INA199A2DCKR is a current sense amplifier commonly used in various applications including power management systems, battery chargers, and power supply monitoring. It is designed for use in high-side current sensing, offering accurate current measurement in DC-DC converters and motor control applications. Its small size and high precision make it suitable for portable electronics, smartphones, tablets, and other battery-operated devices. Additionally, it finds application in automotive systems for current monitoring and protection. The INA199A2DCKR is also used in industrial applications for power monitoring and control systems.
Package
The INA199A2DCKR is packaged in a SOT-23-5, which is a small-outline transistor package with five leads. This type of package is commonly used for compact, surface-mount applications in electronic circuits.
