The TSM111CD from STMicroelectronics is a versatile and precise integrated circuit that combines the functionality of a voltage comparator and an adjustable voltage reference. This dual-function device is designed to cater to a wide range of applications, including power supply control, battery chargers, switching power supplies, and voltage monitoring systems.

Key Features

• Voltage Comparator: The TSM111CD features a high-precision comparator with a typical input offset voltage of 1 mV. This allows for accurate comparison of input voltages, making it ideal for sensitive electronics that require precise voltage monitoring.
• Adjustable Voltage Reference: Alongside the comparator, the TSM111CD boasts an adjustable shunt voltage reference. This can be set from 2.5V to 36V with the use of external resistors, providing flexibility for various design requirements.
• Low Current Consumption: With a typical supply current of 100 μA, the TSM111CD is optimized for low-power applications. This makes it suitable for battery-operated devices where power efficiency is crucial.
• Wide Operating Temperature Range: The device operates effectively across a wide temperature range from -40°C to +85°C, ensuring reliable performance in diverse environmental conditions.
• Small Package Size: Available in a compact SO-8 package, the TSM111CD is designed for space-constrained applications, allowing designers to minimize the footprint of their circuit boards.

Applications

The TSM111CD's dual functionality and high precision make it suitable for a variety of applications. It is commonly used in:

• Power supply control circuits for precise voltage regulation.
• Battery chargers to ensure the battery is charged to the correct voltage.
• Switching power supplies where accurate voltage thresholds are critical.
• Voltage monitoring systems that require constant checks to maintain system stability.

With its combination of features, the TSM111CD from STMicroelectronics offers a reliable and flexible solution for designers looking to integrate voltage comparison and reference capabilities into their electronic systems.