MIC811TU TR
Product Overview
- Category: Integrated Circuit
- Use: Voltage Supervisor
- Characteristics: Low Power, Precision Monitoring, Reset Output
- Package: SOT-23-3
- Essence: Monolithic CMOS IC
- 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, 560ms, 1120ms, 2240ms
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MIC811TU TR features a SOT-23-3 package with the following pin configuration:
- Pin 1: GND (Ground)
- Pin 2: RESET (Reset Output)
- Pin 3: VCC (Supply Voltage)
Functional Features
- Voltage Supervision: The MIC811TU TR monitors the supply voltage and provides a reset output when it falls below the specified threshold.
- Precision Monitoring: The device offers accurate voltage monitoring with various threshold options.
- Reset Output: When the supply voltage drops below the threshold, the reset output is activated, indicating a power failure or low voltage condition.
Advantages and Disadvantages
Advantages: - Low power consumption - Wide supply voltage range - Small form factor - Multiple threshold and timeout options
Disadvantages: - Limited number of threshold and timeout combinations - Lack of adjustable threshold and timeout settings
Working Principles
The MIC811TU TR operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the programmed threshold, the reset output is activated. The reset remains active until the supply voltage rises above the threshold and the timeout period elapses.
Detailed Application Field Plans
The MIC811TU TR finds applications in various fields, including:
- Embedded Systems: It ensures reliable operation by monitoring the power supply voltage and initiating a reset when necessary.
- Battery-Powered Devices: The low power consumption of the MIC811TU TR makes it suitable for battery-powered applications where efficient voltage monitoring is essential.
- Industrial Control Systems: It provides voltage supervision in industrial control systems, preventing erratic behavior due to power fluctuations.
- Automotive Electronics: The device can be used in automotive electronics to monitor the vehicle's power supply and trigger appropriate actions during voltage drops.
Detailed and Complete Alternative Models
- MIC803: Similar voltage supervisor IC with adjustable threshold and timeout options.
- MAX809: Voltage supervisor IC with additional manual reset input and watchdog timer functionality.
- TL7705: Voltage supervisor IC with adjustable threshold and integrated power-on reset delay.
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技術ソリューションにおける MIC811TU TR の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of MIC811TU TR in technical solutions:
Q: What is MIC811TU TR? A: MIC811TU 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 MIC811TU TR? A: The operating voltage range of MIC811TU TR is typically between 1.6V and 5.5V.
Q: How does MIC811TU TR provide a reset signal? A: MIC811TU TR has an open-drain output that pulls low when the monitored voltage drops below the threshold, indicating a reset condition.
Q: Can MIC811TU TR be used with both microcontrollers and digital logic circuits? A: Yes, MIC811TU TR can be used with both microcontrollers and digital logic circuits as it provides a reset signal that can be connected to the reset pin of these devices.
Q: What is the typical reset threshold voltage of MIC811TU TR? A: The typical reset threshold voltage of MIC811TU TR is 2.93V.
Q: Does MIC811TU TR have a built-in delay for the reset signal? A: Yes, MIC811TU TR has a fixed delay of approximately 140ms to ensure a stable power supply before releasing the reset signal.
Q: Can MIC811TU TR be used in battery-powered applications? A: Yes, MIC811TU TR can be used in battery-powered applications as it has a low quiescent current of typically 1.0µA.
Q: Is MIC811TU TR available in different package options? A: Yes, MIC811TU TR is available in various package options, such as SOT-23 and SC-70, to suit different application requirements.
Q: Can MIC811TU TR tolerate voltage spikes or transients? A: Yes, MIC811TU TR has built-in hysteresis and can tolerate voltage spikes or transients up to 6V without false triggering.
Q: Are there any additional features of MIC811TU TR that are worth mentioning? A: Yes, MIC811TU TR also includes a manual reset input and an active-low RESET output for system monitoring and control purposes.
Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications of MIC811TU TR.