MAX8216ESD+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX8216ESD+ is a voltage monitor and reset circuit designed for use in various electronic devices. It ensures proper operation by monitoring the power supply voltage and generating a reset signal when the voltage falls below a specified threshold.

Characteristics: - Voltage monitoring range: 1.8V to 5V - Adjustable reset threshold voltage - Low quiescent current consumption - Wide operating temperature range: -40°C to +85°C

Package: The MAX8216ESD+ is available in a small outline integrated circuit (SOIC) package, which provides ease of integration into different electronic systems.

Essence: The essence of the MAX8216ESD+ lies in its ability to monitor the power supply voltage and generate a reset signal, ensuring reliable operation of electronic devices.

Packaging/Quantity: The MAX8216ESD+ is typically sold in reels or tubes containing a specific quantity of ICs, depending on the manufacturer's packaging standards.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage Range: 1.2V to VDD-0.2V
• Quiescent Current: 7µA (typical)
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8216ESD+ features an 8-pin SOIC package with the following pin configuration:

1. GND: Ground connection
2. MR: Manual reset input
3. RESET: Reset output
4. VDD: Positive power supply voltage
5. TH: Threshold adjust input
6. TRIP: Open-drain output indicating a voltage fault condition
7. NC: No connection
8. NC: No connection

Functional Features

1. Voltage Monitoring: The MAX8216ESD+ continuously monitors the power supply voltage and compares it to the user-adjustable threshold voltage.
2. Reset Generation: When the monitored voltage falls below the threshold, the MAX8216ESD+ generates a reset signal to ensure proper device operation.
3. Manual Reset Input: The MR pin allows for manual resetting of the device, overriding the automatic reset generation.
4. Fault Indication: The TRIP pin provides an open-drain output that indicates a voltage fault condition, allowing external monitoring or signaling.

Advantages and Disadvantages

Advantages: - Wide operating voltage range enables compatibility with various electronic systems. - Adjustable reset threshold voltage provides flexibility in different applications. - Low quiescent current consumption minimizes power consumption. - Compact SOIC package facilitates integration into space-constrained designs.

Disadvantages: - Lack of built-in protection features against voltage spikes or transients. - Limited number of pins may restrict additional functionalities in complex systems.

Working Principles

The MAX8216ESD+ operates by continuously monitoring the power supply voltage using an internal voltage reference and comparator circuit. When the voltage falls below the user-adjustable threshold voltage, the reset output is activated, ensuring proper device operation. The manual reset input allows for manual control of the reset signal, while the fault indication pin provides an output to indicate a voltage fault condition.

Detailed Application Field Plans

The MAX8216ESD+ finds applications in various electronic devices where reliable voltage monitoring and reset functionality are crucial. Some potential application fields include: - Microcontrollers and microprocessors - Embedded systems - Power management circuits - Industrial automation systems - Automotive electronics - Battery-powered devices

Detailed and Complete Alternative Models

1. MAX8217ESD+: Similar to the MAX8216ESD+, but with additional features such as adjustable reset timeout period and watchdog timer functionality.
2. MAX823LEUK+: Voltage monitor and reset circuit in a SOT-23 package, suitable for space-constrained designs.
3. MAX809SEUR+: Microprocessor supervisory circuit with adjustable reset threshold voltage and manual reset input.

These alternative models offer similar functionality to the MAX8216ESD+ and can be considered based on specific application requirements.

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