STMicroelectronics TSC240 Zero-Drift Current Sense Amplifiers

Introduction

The STMicroelectronics TSC240 is a precision, zero-drift current sense amplifier designed to provide high-accuracy current measurements in various applications. With its low input offset voltage and minimal drift over temperature, the TSC240 ensures stable performance, making it an ideal choice for both industrial and consumer applications.

Part Description

The TSC240 operates within a supply voltage range of 2.7V to 5.5V and supports both high-side and low-side current sensing. Its zero-drift architecture allows for excellent common-mode rejection and minimal offset drift, ensuring reliable performance across varying conditions. The amplifier features a preset gain of 20V/V, which provides flexibility for different sensing requirements. Available in compact SO8 or TSSOP8 packages, the TSC240 is designed for applications where precision and efficiency are paramount.

Key Features:

• Enhanced PWM rejection
• Excellent 132dB DC Common-Mode Rejection Ratio (CMRR)
• Wide common-mode voltage range from -4V to +100V
• Gain accuracy with a maximum error of 0.20%
• Low input offset voltage of ±20µV
• Minimal drift of 150nV/°C
• RoHS compliant

Applications

• Motor controls
• Solenoid and valve controls
• Power management systems
• Industrial process control
• Telecom equipment

Industries

• Automotive
• Consumer electronics
• Industrial automation
• Telecommunications
• Renewable energy systems

Usage Ideas

1. Battery Management System: Utilize the TSC240 to monitor and manage battery charge and discharge currents in electric vehicles or renewable energy systems, ensuring optimal performance and longevity.

2. Motor Control Circuit: Implement the TSC240 in a motor control circuit to accurately measure motor current, allowing for precise control and feedback in robotics or automation systems.

3. Power Supply Monitoring: Integrate the TSC240 into a power supply design to monitor current levels, providing real-time feedback for load management and efficiency optimization in consumer electronics.

Conclusion

The STMicroelectronics TSC240 Zero-Drift Current Sense Amplifier is a versatile and reliable component for high-accuracy current measurement applications. Its precision, low drift, and compact design make it suitable for a wide range of industries and applications, from motor control to power management systems. With its robust features and performance, the TSC240 stands out as an essential tool for engineers and designers seeking to enhance their electronic systems.