STMicroelectronics

VNLD5090TR-E

The VNLD5090TR-E is a low-side current shunt monitor IC manufactured by STMicroelectronics. It is designed to provide accurate and reliable current sensing in a wide range of applications, including battery management systems, motor control, and power supplies.

Description:

The VNLD5090TR-E is a precision current shunt monitor that operates from a supply voltage of 2.7V to 5.5V. It features a low-side current sensing configuration, which allows it to measure the current flowing through a shunt resistor connected to the ground. The device provides an accurate and linear output voltage proportional to the current being sensed, with a typical accuracy of ±1% over a wide temperature range.

Features:

1. Low-side current sensing configuration
2. Wide supply voltage range (2.7V to 5.5V)
3. High accuracy (±1% typical)
4. Linear output voltage proportional to the sensed current
5. Wide operating temperature range (-40°C to +125°C)
6. Small package size (DFN-10 3x3mm)
7. Low power consumption (typical 2.5mA)

Applications:

1. Battery management systems (BMS) for electric vehicles, laptops, and smartphones
2. Motor control applications, such as brushless DC motors and stepper motors
3. Power supply current sensing for power factor correction and overcurrent protection
4. Energy harvesting systems, such as solar panels and wind turbines
5. Electric vehicle chargers and charging stations
6. Uninterruptible power supply (UPS) systems
7. Industrial automation and control systems

In summary, the VNLD5090TR-E is a versatile and accurate current shunt monitor IC suitable for a wide range of applications that require precise current sensing. Its low-side sensing configuration, high accuracy, and low power consumption make it an ideal choice for battery management systems, motor control, and power supply applications.