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MIC811SU TR
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Supervisor
- Characteristics: Low-power, reset output, manual reset input
- Package: SOT-23-3
- Essence: Monolithic CMOS voltage supervisor circuit
- Packaging/Quantity: Tape and Reel, 3000 units per reel
Specifications
- Supply Voltage Range: 1.6V to 5.5V
- Reset Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V
- Reset Timeout Period Options: 140ms, 280ms, 560ms, 1120ms
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MIC811SU TR has a SOT-23-3 package with the following pin configuration:
- Pin 1: GND (Ground)
- Pin 2: MR (Manual Reset Input)
- Pin 3: VCC (Supply Voltage)
Functional Features
- Monitors the supply voltage and asserts a reset signal when it falls below the specified threshold.
- Provides a manual reset input for immediate system reset.
- Low-power consumption, suitable for battery-powered applications.
- Built-in hysteresis prevents false triggering of the reset signal.
Advantages
- Small form factor package allows for space-saving on PCBs.
- Wide supply voltage range enables compatibility with various systems.
- Multiple reset threshold and timeout options provide flexibility in design.
- Low-power operation extends battery life in portable devices.
Disadvantages
- Limited number of available reset threshold and timeout combinations.
- Lack of additional features such as watchdog timer or power-on reset delay.
Working Principles
The MIC811SU TR operates by continuously monitoring the supply voltage. When the voltage drops below the programmed threshold, the reset output is asserted. The manual reset input allows for an immediate system reset when triggered externally. The IC operates with low power consumption, making it suitable for battery-powered applications.
Detailed Application Field Plans
The MIC811SU TR can be used in various applications where voltage monitoring and system reset are critical. Some potential application fields include:
- Microcontroller-based Systems: Provides reliable reset functionality to ensure proper system initialization.
- Battery-powered Devices: Monitors the battery voltage and triggers a reset when it falls below a safe level.
- Industrial Control Systems: Ensures stable operation by resetting the system in case of power supply fluctuations.
- Automotive Electronics: Protects sensitive electronic components from voltage dips or spikes.
Detailed and Complete Alternative Models
- MAX811, MAX812, MAX813: Similar voltage supervisor ICs offered by Maxim Integrated.
- ADM6315, ADM6316, ADM6317: Voltage monitors with manual reset input from Analog Devices.
- TPS3808, TPS3809, TPS3810: Texas Instruments' family of voltage supervisors with adjustable reset thresholds.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng MIC811SU TR trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of MIC811SU TR in technical solutions:
Q: What is MIC811SU TR? A: MIC811SU TR is a voltage supervisor IC (Integrated Circuit) that monitors the power supply voltage and provides a reset signal when the voltage falls below a certain threshold.
Q: What is the operating voltage range of MIC811SU TR? A: The operating voltage range of MIC811SU TR is typically between 1.6V and 5.5V.
Q: How does MIC811SU TR provide a reset signal? A: MIC811SU TR has an open-drain output that pulls low when the monitored voltage drops below the specified threshold, indicating a reset condition.
Q: Can MIC811SU TR be used with both digital and analog circuits? A: Yes, MIC811SU TR can be used with both digital and analog circuits as it provides a reset signal based on the monitored voltage level.
Q: What is the typical reset threshold voltage of MIC811SU TR? A: The typical reset threshold voltage of MIC811SU TR is 2.93V.
Q: Is MIC811SU TR suitable for battery-powered applications? A: Yes, MIC811SU TR is suitable for battery-powered applications as it operates within a wide voltage range and consumes very low quiescent current.
Q: Can MIC811SU TR be used to monitor multiple power supplies simultaneously? A: No, MIC811SU TR is a single-channel voltage supervisor and can only monitor one power supply at a time.
Q: Does MIC811SU TR have any built-in delay for the reset signal? A: Yes, MIC811SU TR has a fixed delay of approximately 140ms to ensure a stable power supply before releasing the reset signal.
Q: What is the maximum operating temperature range of MIC811SU TR? A: The maximum operating temperature range of MIC811SU TR is typically between -40°C and +85°C.
Q: Can MIC811SU TR be used in automotive applications? A: Yes, MIC811SU TR is suitable for automotive applications as it meets the necessary standards and has a wide operating temperature range.
Please note that these answers are general and may vary depending on the specific datasheet and application requirements of MIC811SU TR.