Texas Instruments

INA199A1DCKT  

Current & Power Monitors & Regulators

The INA199A1DCKT is a high-precision, monolithic, current shunt amplifier offered by Texas Instruments. It is designed to provide accurate current measurements in a wide range of applications, including battery monitoring, power management, and motor control.

Description:

The INA199A1DCKT is a precision current shunt amplifier that amplifies the difference between the input voltage and the voltage across a current shunt resistor. It features a gain of 200 and operates from a single 2.5V to 5.5V supply. The device is available in a 10-lead MSOP package.

Features:

1. High accuracy: The INA199A1DCKT offers an accuracy of ±0.5% over a wide temperature range.
2. Wide input voltage range: The device can operate from a single 2.5V to 5.5V supply, making it suitable for various applications.
3. Low input offset voltage: The input offset voltage is typically ±2μV, which contributes to the high accuracy of the device.
4. Programmable gain: The gain of the INA199A1DCKT can be adjusted from 50 to 200 by connecting an external resistor between the gain select pin and ground.
5. Wide bandwidth: The device has a bandwidth of up to 600kHz, making it suitable for high-speed applications.
6. Low quiescent current: The INA199A1DCKT consumes only 80μA, which is ideal for battery-powered applications.
7. Thermal shutdown protection: The device features thermal shutdown protection to prevent damage due to overheating.

Applications:

1. Battery monitoring: The INA199A1DCKT can be used to measure the current flowing in and out of a battery, providing accurate battery charge and discharge monitoring.
2. Power management: The device can be used in power management systems to monitor and control the current flowing through various power rails.
3. Motor control: The INA199A1DCKT can be used to measure the current flowing through a motor, providing feedback for motor speed and torque control.
4. Energy harvesting: The device can be used to measure the current generated by energy harvesting systems, such as solar panels or piezoelectric devices.
5. LED lighting: The INA199A1DCKT can be used to monitor and control the current flowing through LED lighting systems, ensuring consistent brightness and preventing overheating.
6. Data acquisition systems: The device can be used in data acquisition systems to provide accurate current measurements for various applications, such as industrial control and test equipment.

In summary, the INA199A1DCKT is a high-precision, versatile current shunt amplifier that offers excellent accuracy, low input offset voltage, and a wide input voltage range. It is suitable for a wide range of applications, including battery monitoring, power management, motor control, energy harvesting, LED lighting, and data acquisition systems.

INA199A1DCKT Documents

Download datasheets and manufacturer documentation for INA199A1DCKT

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Product Change Notification 2024-03-27 (PDF)       Product Change Notification_2024_12_19 (PDF)       Product Change Notification 2024-02-05 (PDF)       Carrier Tape Change for Selected SC70 Packaged Devices (PDF)       Product Change Notification (PDF)      

Models :

INA199A1DCKT Symbol & Footprint by SnapMagic      

Product Catalogs :

Current Sense Amplifiers (Rev. D)      

Application Notes :

Current sensing in high-power USB Type-C® applications       Integrating The Current Sensing Signal Path (Rev. A)       Integrating the Current Sensing Signal Path (Rev. B)      

Technical Resources :

INA199A1 TINA Reference Design       INA199A2 TINA Reference Design       INA199A3 TINA Reference Design      

SPICE Models :

INA199A3 PSpice Model       INA199A2 PSpice Model       INA199A3 TINA Spice Macromodel       INA199A1 PSpice Model       INA199A1 TINA Spice Macromodel       INA199A2 TINA Spice Macromodel