Спецификации
| Атрибут | Ценность |
| 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 |
Обзор
Description
The INA199A3DCKR is a precision current-shunt monitor from Texas Instruments. It is part of the INA199 series, designed to sense voltage drops across current shunts at common-mode voltages from -0.3V to +26V, independent of the supply voltage. This model offers a fixed gain of 100 V/V, which allows for accurate current measurement. It is widely used in applications such as power management, battery chargers, and automotive systems.
The device features a low offset voltage, low input bias current, and operates with a supply voltage range from 2.7V to 5.5V, making it suitable for various low-power applications. The INA199A3DCKR comes in a small SC70-6 package, making it ideal for space-constrained designs. It is known for its high precision and reliability, ensuring accurate current measurements even in variable environmental conditions. With its robust performance and flexibility, the INA199A3DCKR is a popular choice for engineers designing systems that require efficient current monitoring.
The device features a low offset voltage, low input bias current, and operates with a supply voltage range from 2.7V to 5.5V, making it suitable for various low-power applications. The INA199A3DCKR comes in a small SC70-6 package, making it ideal for space-constrained designs. It is known for its high precision and reliability, ensuring accurate current measurements even in variable environmental conditions. With its robust performance and flexibility, the INA199A3DCKR is a popular choice for engineers designing systems that require efficient current monitoring.
Equivalent
The INA199A3DCKR is a current sense amplifier from Texas Instruments. Equivalent products include:
1. MAX4080FASA+ from Maxim Integrated
2. AD8210YRZ from Analog Devices
3. LT1999-10 from Analog Devices (formerly Linear Technology)
4. ISL28005FHZ-T7A from Renesas Electronics
These alternatives may have variations in specifications, so ensure compatibility with your application before substituting.
1. MAX4080FASA+ from Maxim Integrated
2. AD8210YRZ from Analog Devices
3. LT1999-10 from Analog Devices (formerly Linear Technology)
4. ISL28005FHZ-T7A from Renesas Electronics
These alternatives may have variations in specifications, so ensure compatibility with your application before substituting.
Features
The INA199A3DCKR is a precision current sense amplifier, which is part of the INA199 series by Texas Instruments. Key features of this device include:
1. Wide Supply Voltage Range: Operates between 2.7V and 26V, making it versatile for various applications.
2. High Accuracy: Offers low offset voltage and low drift, ensuring accurate current sensing.
3. Gain Options: The INA199 series provides fixed gains; the INA199A3 variant specifically offers a gain of 100 V/V.
4. Low Power Consumption: Designed for low power operation, which is ideal for battery-powered devices.
5. Wide Common-Mode Range: Allows for common-mode voltages from –0.3V to +26V, independent of the supply voltage.
6. Small Package: Available in a compact SC-70 package, beneficial for space-constrained designs.
7. Fast Response Time: Features a fast response time for quick current measurement.
These features make the INA199A3DCKR suitable for use in applications like battery chargers, power management systems, and any system requiring precise current measurement.
1. Wide Supply Voltage Range: Operates between 2.7V and 26V, making it versatile for various applications.
2. High Accuracy: Offers low offset voltage and low drift, ensuring accurate current sensing.
3. Gain Options: The INA199 series provides fixed gains; the INA199A3 variant specifically offers a gain of 100 V/V.
4. Low Power Consumption: Designed for low power operation, which is ideal for battery-powered devices.
5. Wide Common-Mode Range: Allows for common-mode voltages from –0.3V to +26V, independent of the supply voltage.
6. Small Package: Available in a compact SC-70 package, beneficial for space-constrained designs.
7. Fast Response Time: Features a fast response time for quick current measurement.
These features make the INA199A3DCKR suitable for use in applications like battery chargers, power management systems, and any system requiring precise current measurement.
Pinout
The INA199A3DCKR is a current shunt monitor from Texas Instruments. It has a 5-pin SOT-23 package. The pin functions are as follows:
1. IN+: Non-inverting input. Connects to the positive side of the current shunt resistor.
2. IN-: Inverting input. Connects to the negative side of the current shunt resistor.
3. REF: Reference voltage input. Sets the zero current output level.
4. OUT: Output. Provides a voltage proportional to the differential input voltage across the shunt resistor.
5. GND: Ground. Common ground reference for the device.
This configuration allows the device to accurately measure small differential voltages at high common-mode voltages, making it suitable for current sensing applications.
1. IN+: Non-inverting input. Connects to the positive side of the current shunt resistor.
2. IN-: Inverting input. Connects to the negative side of the current shunt resistor.
3. REF: Reference voltage input. Sets the zero current output level.
4. OUT: Output. Provides a voltage proportional to the differential input voltage across the shunt resistor.
5. GND: Ground. Common ground reference for the device.
This configuration allows the device to accurately measure small differential voltages at high common-mode voltages, making it suitable for current sensing applications.
Manufacturer
The INA199A3DCKR is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and produces a broad range of analog and embedded processing chips. These semiconductors are essential components in electronic systems, providing functionalities such as power management, signal processing, and wireless connectivity. Texas Instruments is known for its innovation and focus on research and development, making it a leading player in the electronics industry.
Application
The INA199A3DCKR is a high-side current-shunt monitor commonly used in various applications. These include power management systems, such as battery chargers and power supplies, where accurate current sensing is crucial. It's also employed in automotive systems for monitoring and protection, industrial automation, and control systems for detecting overcurrent conditions. Additionally, it finds use in telecom and networking equipment for current measurement and fault detection. The device's ability to accurately measure small differential voltages across a shunt resistor makes it suitable for applications requiring precision current monitoring and diagnostics.
Package
The INA199A3DCKR is a current sense amplifier from Texas Instruments. The package type is a SC70-6 (Small Outline Transistor), which is a small, surface-mount package.
