MAX16070ETL+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX16070ETL+ is a voltage supervisor IC that provides power supply monitoring and reset generation functions. It is commonly used in electronic systems to ensure proper operation by monitoring the voltage levels and generating reset signals when necessary.

Characteristics: - Voltage monitoring range: 0.5V to 5.5V - Adjustable reset threshold voltage - Low quiescent current consumption - Wide operating temperature range: -40°C to +125°C

Package: The MAX16070ETL+ is available in a small 6-pin Thin SOT23 package, which allows for space-efficient integration into various electronic devices.

Essence: This IC serves as a crucial component in electronic systems, ensuring reliable operation by monitoring voltage levels and generating reset signals when needed.

Packaging/Quantity: The MAX16070ETL+ is typically sold in reels containing 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Range: 0.4V to VDD - 0.2V
• Quiescent Current: 3µA (typical)
• Power-On Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX16070ETL+ features the following pin configuration:

```

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| | --| RESET | --| GND | --| MR | --| VDD | --| N.C. | |___________| ```

• RESET: Output pin for reset signal
• GND: Ground connection
• MR: Manual reset input pin
• VDD: Power supply input pin
• N.C.: No connection (unused pin)

Functional Features

1. Voltage Monitoring: The MAX16070ETL+ continuously monitors the voltage level at the VDD pin and compares it to the adjustable reset threshold voltage.
2. Reset Generation: When the monitored voltage falls below the set threshold, the IC generates a reset signal on the RESET pin, indicating a power failure or voltage drop.
3. Manual Reset: The MR pin allows for manual reset capability, enabling external control over the reset function.
4. Power-On Reset Timeout: The IC includes a power-on reset timeout period, ensuring that the reset signal remains active for a specific duration after power is applied.

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows for compatibility with various electronic systems. - Adjustable reset threshold voltage provides flexibility in different applications. - Low quiescent current consumption minimizes power consumption. - Small package size enables space-efficient integration.

Disadvantages: - Limited number of pins may restrict additional functionalities. - Lack of built-in hysteresis feature for voltage monitoring.

Working Principles

The MAX16070ETL+ operates by continuously monitoring the voltage level at the VDD pin. It compares this voltage to the adjustable reset threshold voltage set by external resistors connected to the MR pin. If the voltage falls below the set threshold, indicating a power failure or voltage drop, the IC generates a reset signal on the RESET pin. This signal can be used to initiate system recovery or perform other necessary actions.

Detailed Application Field Plans

The MAX16070ETL+ finds application in various electronic systems where reliable power supply monitoring and reset generation are critical. Some potential application fields include:

1. Microcontrollers and Microprocessors: Ensures proper operation and prevents data corruption during power fluctuations.
2. Industrial Control Systems: Provides reliable power supply monitoring for critical equipment, preventing damage or malfunction.
3. Automotive Electronics: Ensures stable operation of electronic components in vehicles, enhancing safety and performance.
4. Telecommunications Equipment: Monitors power supply integrity in network devices, preventing service disruptions.

Detailed and Complete Alternative Models

1. MAX16071ETL+: Similar to MAX16070ETL+, but with an additional active-low manual reset input pin.
2. MAX16072ETL+: Offers dual voltage monitoring channels for enhanced system redundancy.
3. MAX16073ETL+: Provides adjustable reset threshold voltage and a watchdog timer for system supervision.

These alternative models offer similar functionalities with slight variations to cater to specific application requirements.

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