ADM8691ANZ

Product Overview

Category

ADM8691ANZ belongs to the category of integrated circuits (ICs).

Use

The ADM8691ANZ IC is commonly used in electronic devices for voltage monitoring and power supply sequencing.

Characteristics

• Voltage monitoring: The ADM8691ANZ provides accurate monitoring of input voltages.
• Power supply sequencing: It ensures proper power-up and power-down sequencing of multiple power supplies.
• Package: The ADM8691ANZ is available in a compact surface-mount package.
• Essence: This IC plays a crucial role in maintaining stable and reliable power supply operations in electronic devices.
• Packaging/Quantity: The ADM8691ANZ is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input voltage range: 2.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Output voltage options: Configurable through external resistors
• Power supply sequencing delay: Programmable through external capacitors
• Current consumption: Low quiescent current for power efficiency

Detailed Pin Configuration

The ADM8691ANZ has a total of 8 pins, each serving a specific function:

1. VCC: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Active-low reset output pin.
4. MR: Manual reset input pin.
5. EN: Enable input pin.
6. PGOOD: Power-good output pin.
7. VSET: Voltage-setting input pin.
8. VOUT: Voltage-monitoring output pin.

Functional Features

• Accurate voltage monitoring: The ADM8691ANZ ensures precise monitoring of input voltages, providing reliable feedback to the system.
• Power supply sequencing: It enables controlled power-up and power-down sequencing of multiple power supplies, preventing potential damage to the system.
• Manual reset capability: The MR pin allows for manual reset initiation, providing flexibility in system control.
• Power-good output: The PGOOD pin indicates when the monitored voltages are within the specified range, ensuring safe operation.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures system stability.
• Power supply sequencing prevents potential damage to components.
• Manual reset capability offers flexibility in system control.
• Power-good output provides a reliable indication of system status.

Disadvantages

• Limited input voltage range (2.7V to 5.5V).
• Requires external resistors and capacitors for configuration.

Working Principles

The ADM8691ANZ operates by continuously monitoring the input voltages and comparing them to internally set thresholds. It generates a reset signal when the voltages fall below the specified levels or during power-up and power-down sequencing. The IC also allows for manual reset initiation through the MR pin. The power-good output pin indicates when the monitored voltages are within the desired range.

Detailed Application Field Plans

The ADM8691ANZ finds applications in various electronic devices where voltage monitoring and power supply sequencing are critical. Some specific application fields include:

1. Industrial automation systems: Ensures stable power supply for PLCs, motor drives, and control systems.
2. Telecommunications equipment: Monitors and sequences power supplies in routers, switches, and communication devices.
3. Consumer electronics: Provides voltage monitoring and sequencing in smart home devices, gaming consoles, and audio/video equipment.
4. Automotive electronics: Ensures proper power-up and power-down sequencing in automotive control units and infotainment systems.

Detailed and Complete Alternative Models

1. ADM8692ANZ: Similar to ADM8691ANZ with additional features for more complex power supply sequencing requirements.
2. ADM8693ANZ: Higher voltage range variant of ADM8691ANZ for applications requiring wider input voltage tolerance.
3. ADM8694ANZ: Enhanced version with extended temperature range suitable for harsh environments.

Note: The above alternative models are suggestions and may vary based on specific requirements and availability in the market.

Word count: 530 words