MAX8213AEJE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: High accuracy, low power consumption
• Package: JEDEC SOIC-16
• Essence: Monitors voltage levels and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.30V, 4.38V, 4.63V, 4.75V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8213AEJE has a total of 16 pins arranged as follows:

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| | | 1 2 3 4 5 6 | |_______________________| | | | 7 8 9 10 11 12 | |_______________________| | | | 13 14 15 16 | |_______________________| ```

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

Functional Features

• Monitors the voltage level of a power supply or battery.
• Provides a reset signal when the voltage falls below the selected threshold.
• Adjustable reset timeout period allows customization for specific applications.
• Low quiescent current consumption ensures minimal power usage.

Advantages and Disadvantages

Advantages: - High accuracy voltage monitoring. - Wide supply voltage range allows compatibility with various systems. - Adjustable reset timeout period provides flexibility. - Low power consumption prolongs battery life.

Disadvantages: - Limited threshold voltage options may not suit all applications. - Only available in JEDEC SOIC-16 package, limiting integration possibilities.

Working Principles

The MAX8213AEJE operates by comparing the input voltage (VCC) with the selected threshold voltage (TH). When the input voltage falls below the threshold, the reset output (RESET) is activated, indicating a low voltage condition. The reset signal remains active until the input voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The MAX8213AEJE is commonly used in various applications where voltage monitoring and reset functionality are required. Some potential application fields include:

1. Power Supply Units (PSUs): Ensures stable operation by monitoring the input voltage and providing a reset signal if it drops below a safe threshold.
2. Battery-Powered Devices: Protects against undervoltage conditions, preventing damage to sensitive components and ensuring proper device operation.
3. Industrial Control Systems: Monitors power supply voltages in control panels, triggering system resets if necessary to maintain reliable operation.
4. Automotive Electronics: Safeguards critical systems by monitoring battery voltage and initiating appropriate actions in case of voltage drops.

Detailed and Complete Alternative Models

1. MAX8212AESE: Similar to MAX8213AEJE but available in a smaller SOIC-8 package.
2. MAX8233BSE+: Offers additional features such as adjustable reset threshold and watchdog timer functionality.
3. MAX809: Provides a simple reset function with fixed threshold voltage options.

These alternative models offer similar voltage monitoring and reset capabilities, catering to different package preferences and additional feature requirements.

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