MAX160EPN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, reset output
• Package: DIP (Dual In-line Package)
• Essence: Monitors the voltage level of a power supply and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Comes in a tube packaging with 25 pieces per tube.

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 5.0V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)

Pin Configuration

The MAX160EPN has a 16-pin DIP package with the following pin configuration:

1. GND (Ground)
2. RESET (Reset Output)
3. MR (Manual Reset Input)
4. VCC (Supply Voltage)
5. TH (Threshold Voltage Selection)
6. CT (Reset Timeout Period Selection)
7. RST (Reset Output)
8. NC (No Connection)
9. NC (No Connection)
10. NC (No Connection)
11. NC (No Connection)
12. NC (No Connection)
13. NC (No Connection)
14. NC (No Connection)
15. NC (No Connection)
16. VCC (Supply Voltage)

Functional Features

• Precision voltage monitoring: The MAX160EPN accurately monitors the voltage level of the power supply.
• Reset output: It provides a reset signal when the voltage falls below the set threshold.
• Adjustable timeout period: The reset timeout period can be adjusted according to the application requirements.
• Manual reset input: The MR pin allows for manual resetting of the circuit.

Advantages and Disadvantages

Advantages: - Low-power consumption - Wide supply voltage range - Adjustable timeout period - Manual reset option

Disadvantages: - Limited threshold voltage options - DIP package may not be suitable for all applications

Working Principles

The MAX160EPN operates by continuously monitoring the voltage level at the TH pin. When the voltage falls below the set threshold, the RESET pin is activated, providing a reset signal to the connected system. The reset output remains active until the voltage rises above the threshold or a manual reset is triggered through the MR pin. The adjustable timeout period ensures that the reset signal is maintained for a specific duration, even if the voltage fluctuates momentarily.

Application Field Plans

The MAX160EPN finds applications in various fields where voltage monitoring and reset functionality are required. Some potential application areas include:

1. Microcontrollers and Embedded Systems: Ensuring proper system initialization and preventing data corruption during power fluctuations.
2. Industrial Control Systems: Providing reliable reset signals to critical control circuits in industrial automation.
3. Power Supply Units: Protecting sensitive electronic components from undervoltage conditions.
4. Automotive Electronics: Monitoring battery voltage and triggering system resets in case of voltage drops.
5. Medical Devices: Ensuring safe operation and preventing data loss in medical equipment.

Alternative Models

• MAX1617: Similar voltage monitor and reset circuit with additional features like watchdog timer and power-fail detection.
• MAX809: Low-power microprocessor reset circuit with fixed threshold voltage options.
• MAX638: Voltage monitor and reset circuit with adjustable threshold voltage and watchdog timer functionality.

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