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MAX825TEXK+T
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Supervisor
- Characteristics: Low-power, Precision, Reset Output
- Package: SOT23-5
- Essence: Monitors Power Supply Voltage
- Packaging/Quantity: Tape and Reel, 3000 units per reel
Specifications
- Supply Voltage Range: 1.2V to 5.5V
- Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V
- Reset Timeout Period: 140ms (typical)
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MAX825TEXK+T features a SOT23-5 package with the following pin configuration:
- GND: Ground connection
- RESET: Active-low reset output
- MR: Manual reset input
- VCC: Positive supply voltage
- NC: No connection
Functional Features
- Monitors power supply voltage and asserts reset when voltage drops below the specified threshold.
- Provides a precision reset output signal to indicate when the power supply is within the acceptable range.
- Offers a manual reset input for external control of the reset function.
Advantages and Disadvantages
Advantages
- Low-power consumption, making it suitable for battery-powered applications.
- Precision monitoring ensures reliable operation.
- Small form factor package allows for space-constrained designs.
- Wide supply voltage range enables compatibility with various systems.
Disadvantages
- Limited number of reset threshold voltage options.
- Single-channel design may not be suitable for applications requiring multiple voltage monitoring.
Working Principles
The MAX825TEXK+T operates by continuously monitoring the power supply voltage using an internal voltage reference. When the voltage drops below the specified threshold, the reset output is asserted, indicating a power failure. The reset output remains active until the voltage rises above the threshold and the reset timeout period elapses.
Detailed Application Field Plans
The MAX825TEXK+T is commonly used in various applications where reliable power supply monitoring is critical. Some potential application fields include:
- Battery-powered devices: Ensures proper operation and prevents data loss during low battery conditions.
- Microcontroller systems: Provides a reset signal to restart the system in case of power supply fluctuations.
- Industrial control systems: Monitors power supply integrity to prevent damage to sensitive equipment.
Detailed and Complete Alternative Models
- MAX823TEXK+T: Similar functionality with different reset threshold voltage options.
- MAX826TEXK+T: Enhanced version with additional features such as adjustable reset timeout period.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX825TEXK+T en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of MAX825TEXK+T in technical solutions:
Q: What is the MAX825TEXK+T? A: The MAX825TEXK+T is a low-power microprocessor reset circuit that monitors the power supply voltage and keeps the microprocessor in reset until the voltage reaches a stable level.
Q: What is the operating voltage range of MAX825TEXK+T? A: The operating voltage range of MAX825TEXK+T is typically between 1.0V and 5.5V.
Q: How does the MAX825TEXK+T ensure a reliable reset signal? A: The MAX825TEXK+T uses a precision voltage reference and a comparator to monitor the power supply voltage. It generates a reset signal when the voltage drops below a certain threshold.
Q: Can I adjust the reset threshold voltage of MAX825TEXK+T? A: No, the reset threshold voltage of MAX825TEXK+T is fixed at a specific value.
Q: What is the typical reset timeout period of MAX825TEXK+T? A: The typical reset timeout period of MAX825TEXK+T is around 140ms.
Q: Can I use MAX825TEXK+T with different microprocessors? A: Yes, MAX825TEXK+T can be used with a wide range of microprocessors as long as the operating voltage requirements are met.
Q: Does MAX825TEXK+T have any additional features? A: Yes, MAX825TEXK+T includes a manual reset input and a watchdog timer function for system monitoring.
Q: Is MAX825TEXK+T suitable for battery-powered applications? A: Yes, MAX825TEXK+T is designed for low-power applications and can be used in battery-powered systems.
Q: Can I use MAX825TEXK+T in automotive applications? A: Yes, MAX825TEXK+T is qualified for automotive applications and meets the necessary standards.
Q: What package does MAX825TEXK+T come in? A: MAX825TEXK+T is available in a small SOT23-5 package, which is suitable for space-constrained designs.
Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.