Texas Instruments

TPS2413DR

TPS2413DR is a high-side current sense amplifier from Texas Instruments. It is designed to measure the current flowing through a high-side load in a variety of applications, including battery-powered systems, motor control, and power management.

Description:

The TPS2413DR is a monolithic, precision current sense amplifier that can operate from a supply voltage as low as 2.7V. It features a very low input offset voltage of typically 50µV and a high input impedance, which makes it ideal for measuring small currents with high accuracy. The device also includes an internal gain of 50, which allows it to amplify the input signal for easier measurement and processing.

Features:

• High accuracy and low input offset voltage
• Wide supply voltage range (2.7V to 5.5V)
• Internal gain of 50
• High input impedance
• Low quiescent current (60µA)
• Small package size (SOT-23)

Applications:

The TPS2413DR is suitable for a wide range of applications where accurate current sensing is required. Some of the key applications include:

1. Battery-powered systems: The device can be used to measure the current drawn by the battery to monitor the state of charge and optimize battery life.
2. Motor control: In motor control applications, the TPS2413DR can be used to measure the current flowing through the motor windings to control the motor speed and torque.
3. Power management: The device can be used in power management systems to measure the current flowing through power supplies and regulate the output voltage.
4. Energy harvesting: In energy harvesting applications, the TPS2413DR can be used to measure the current generated by renewable energy sources, such as solar panels or wind turbines.
5. LED lighting: The device can be used to measure the current flowing through LED arrays to control the brightness and ensure uniform lighting.

In summary, the TPS2413DR is a versatile and accurate current sense amplifier from Texas Instruments that can be used in a variety of applications where precise current measurement is required. Its low input offset voltage, high input impedance, and internal gain make it an ideal choice for high-side current sensing applications.