STMicroelectronics

STLM20W87F

STLM20W87F is a low-side current shunt monitor from STMicroelectronics. It is designed to measure the current flowing through a wire or a trace in a low-side configuration. Here is a brief description of the model, its features, and applications:

Description:

The STLM20W87F is a precision, low-side current shunt monitor that can accurately measure current in a wide range of applications. It is available in a small, surface-mount package, making it ideal for use in compact and space-constrained systems.

Features:

1. Precision: The STLM20W87F offers high precision and accuracy in measuring current, with a typical accuracy of ±0.5%.
2. Low-side current sensing: The device is designed for low-side current sensing, which means it can measure the current flowing through a wire or trace connected to the ground or low side of a circuit.
3. Wide operating voltage range: The STLM20W87F can operate over a wide voltage range of 2.7V to 5.5V, making it suitable for various applications.
4. Small package size: The device is available in a compact, surface-mount package, which saves space on the PCB and allows for easier integration into compact systems.
5. I2C interface: The STLM20W87F features an I2C digital interface, which allows for easy communication with a microcontroller or other digital systems.
6. Programmable alert threshold: The device has a programmable alert threshold that can be set to trigger an interrupt when the measured current exceeds a predefined value.
7. Low power consumption: The STLM20W87F has low power consumption, making it suitable for battery-powered applications.

Applications:

1. Battery monitoring: The STLM20W87F can be used to monitor the current consumption of battery-powered devices, helping to extend battery life and improve overall system efficiency.
2. Motor control: The device can be used to measure the current flowing through a motor, allowing for precise control and protection against overcurrent conditions.
3. Power supply monitoring: The STLM20W87F can be used to monitor the output current of power supplies, ensuring that the load is within the specified limits and providing protection against overload conditions.
4. Energy harvesting systems: The device can be used to measure the current generated by energy harvesting systems, such as solar panels or piezoelectric devices, allowing for efficient energy management.
5. Lighting control: The STLM20W87F can be used to monitor the current flowing through LED lighting systems, enabling dimming control and protection against overcurrent conditions.

In summary, the STLM20W87F is a versatile, precision current shunt monitor from STMicroelectronics that offers high accuracy, a low-side sensing configuration, and a wide range of features suitable for various applications, including battery monitoring, motor control, power supply monitoring, energy harvesting systems, and lighting control.