STMicroelectronics STM811TW16F

of STMicroelectronics STM811TW16F The STM811TW16F is a high-performance voltage supervisor integrated circuit (IC). It is designed to monitor supply voltages and provide reset signals for microcontrollers (MCUs) under fault conditions, ensuring systemic reliability and far-reaching operational stability. It is a precise voltage monitoring device that incorporates many advanced features critical for system protection in applications that require dependable power management. Functions - Voltage Monitoring: Monitors the power supply voltage and asserts the reset signal when the voltage falls below a predetermined threshold. - Reset Generation: Produces a reset output signal that helps ensure that the connected MCU starts operating only after the power supply has stabilized. - Adjustable Reset Threshold: The reset threshold voltage can usually be configured for different applications and system requirements. - Temperature Range: Operates over a wide temperature range for robust performance in different environments. - Low Power Consumption: Designed with low quiescent current to conserve power in battery-operated devices. Applications - Microcontroller Supervision: Commonly used in microcontroller-based systems to reset the MCU during power-up and undervoltage conditions. - Automotive Electronics: Suitable for automotive applications where stringent performance and environmental conditions are expected. - Consumer Electronics: Can be found in devices like smartphones, tablets, and home appliances. - Industrial Systems: Utilized in embedded systems across various industries where reliability is critical. - Telecommunication: Helps in maintaining stable operation of telecommunication devices. Alternative Parts When looking for alternatives to the STM811TW16F, consider the following parts: - MAX809: A similar voltage supervisor IC from Maxim Integrated. - TPS3839: A voltage supervisor from Texas Instruments with adjustable thresholds. - LM809: Another voltage supervisor option from Texas Instruments. - MC33269: A voltage reset IC from ON Semiconductor which can also ensure microcontroller reset. Embedded Modules While the STM811TW16F might not be available as a complete module, it can often be found in integrated circuit boards from various manufacturers as part of evaluation kits or development boards for prototyping purposes. Related Q&A 1. Q: What is the primary function of the STM811TW16F voltage supervisor? A: The STM811TW16F is designed to monitor supply voltages and provide reset signals to microcontrollers in case of undervoltage conditions, ensuring system stability and reliability. 2. Q: In what applications can the STM811TW16F be used? A: It can be used in a variety of applications including microcontroller supervision, automotive electronics, consumer electronics, industrial systems, and telecommunications. 3. Q: Can the reset threshold of the STM811TW16F be adjusted? A: Yes, the reset threshold voltage is adjustable, allowing customization based on specific application needs. 4. Q: What are some alternatives to the STM811TW16F voltage supervisor? A: Some alternatives include the MAX809 from Maxim Integrated, TPS3839 from Texas Instruments, LM809 from Texas Instruments, and MC33269 from ON Semiconductor. 5. Q: Why is it important to use a voltage supervisor like the STM811TW16F in electronic designs? A: Voltage supervisors ensure that the microcontroller operates safely and reliably by preventing erratic behavior during power-up or if the supply voltage drops below acceptable levels, thereby protecting the system from damage.