STMicroelectronics

ST1S09IPUR

The ST1S09IPUR is a high-performance, single-channel, high-side current sensor from STMicroelectronics. It is designed to measure the current flowing through a wide range of applications, including battery monitoring, motor control, and power management systems.

Description:

The ST1S09IPUR is a monolithic integrated circuit that provides an accurate and reliable way to measure current. It uses a proprietary shunt technique to measure the current flowing through the high-side of a circuit, and provides an output voltage proportional to the measured current. The device is available in a compact SOIC-8 package, making it easy to integrate into a variety of applications.

Features:

• Single-channel, high-side current sensing
• Wide input voltage range: 2.5V to 5.5V
• High accuracy: ±2% over temperature
• Programmable output scale: 50mV, 60mV, or 70mV per Ampere
• Low power consumption: 1.5mA typical
• Wide operating temperature range: -40°C to +125°C
• Short-circuit protection
• Reverse current protection
• Over-temperature protection
• Small package size: SOIC-8

Applications:

The ST1S09IPUR is suitable for a wide range of applications where accurate current measurement is required. Some of the key applications include:

1. Battery monitoring systems: The ST1S09IPUR can be used to measure the current flowing in and out of a battery, providing information about the battery's state of charge and health.
2. Motor control: In motor control applications, the ST1S09IPUR can be used to measure the current flowing through the motor windings, providing feedback for closed-loop control.
3. Power management systems: The ST1S09IPUR can be used to measure the current flowing through power supplies and other power management systems, providing information about power consumption and efficiency.
4. Lighting systems: In lighting applications, the ST1S09IPUR can be used to measure the current flowing through LED drivers and other lighting components, providing feedback for dimming control and thermal management.
5. Energy harvesting systems: The ST1S09IPUR can be used to measure the current generated by energy harvesting systems, such as solar panels or piezoelectric devices, providing information about the system's performance.

Overall, the ST1S09IPUR is a versatile and high-performance current sensor that can be used in a wide range of applications where accurate current measurement is required. Its small package size, low power consumption, and high accuracy make it an ideal choice for a variety of applications.