INA199B1RSWT

The INA199B1RSWT from Texas Instruments is a high-side current shunt monitor designed for accurate current sensing in various power management applications. 

Key Features:

1. High Accuracy: The INA199B1RSWT offers high accuracy current sensing with a maximum error of typically ±1% across the entire temperature range, ensuring precise measurement of current in the target circuit.
2. Wide Input Voltage Range: It can operate with a wide input voltage range from 2.7V to 26V, making it suitable for monitoring currents in various systems powered by different supply voltages.
3. Low Offset Voltage: The device features low offset voltage and low offset drift, ensuring accurate current measurements even in high-precision applications and over temperature variations.
4. Bidirectional Current Sensing: It supports bidirectional current sensing, allowing monitoring of both positive and negative currents flowing through the shunt resistor, which is useful in applications such as battery charging and discharging.
5. Integrated Voltage Output: The INA199B1RSWT provides an integrated voltage output that is proportional to the sensed current, eliminating the need for an external amplifier and simplifying system design.
6. Wide Bandwidth: With a wide bandwidth of up to 500kHz, the device can accurately measure fast-changing currents in dynamic systems, making it suitable for applications requiring rapid response times.
7. Low Quiescent Current: It features low quiescent current consumption, minimizing power dissipation and extending battery life in battery-powered applications and energy-efficient systems.
8. Small Footprint: The INA199B1RSWT is available in a small and space-saving package, allowing for compact and efficient PCB layout designs in space-constrained applications.

Applications:

• Battery management systems
• Power supplies and converters
• Motor control and drives
• Solar inverters
• Overcurrent protection circuits
• Load monitoring and management

Overall, the INA199B1RSWT offers high accuracy, wide voltage range, and bidirectional current sensing capabilities in a compact and energy-efficient package, making it an ideal choice for various current monitoring and protection applications in industrial, automotive, and consumer electronics markets.