MAX6754UKWD0+T

Product Overview

• Category: Integrated Circuit
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT23-5
• Essence: Monitors the power supply voltage and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Options: 2.5V, 3.0V, 3.3V, 5.0V
• Reset Timeout Period: Adjustable or Fixed (140ms, 280ms, 560ms, 1120ms)
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6754UKWD0+T has a SOT23-5 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 Input)

Functional Features

• Precision voltage monitoring
• Adjustable or fixed reset timeout period
• Manual reset input for external reset control
• Low quiescent current for power efficiency
• Wide supply voltage range for flexibility

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable system operation - Adjustable reset timeout period allows customization for specific applications - Low quiescent current minimizes power consumption - Small form factor SOT23-5 package saves board space

Disadvantages: - Limited number of reset threshold options - Lack of built-in hysteresis may require additional circuitry for noise immunity

Working Principles

The MAX6754UKWD0+T is a voltage supervisor integrated circuit that monitors the power supply voltage and generates a reset signal when the voltage falls below a predetermined threshold. It operates by comparing the supply voltage with an internal reference voltage. When the supply voltage drops below the threshold, the reset output is asserted, indicating a power failure or an out-of-specification condition. The reset signal remains active until the supply voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The MAX6754UKWD0+T finds applications in various fields where reliable voltage monitoring and system reset functionality are required. Some potential application areas include:

1. Microcontrollers and Microprocessors: Ensures proper system initialization and prevents erratic behavior during power-up or brownout conditions.
2. Industrial Control Systems: Monitors power supply integrity to prevent damage to sensitive equipment and ensure safe operation.
3. Automotive Electronics: Provides voltage supervision for critical systems such as engine control units, airbag modules, and safety systems.
4. Battery-Powered Devices: Protects battery life by initiating a shutdown or hibernation mode when the battery voltage drops below a certain level.
5. Communication Equipment: Ensures uninterrupted operation by resetting the system in case of power supply fluctuations or failures.

Detailed and Complete Alternative Models

1. MAX6755UKWD0+T: Similar to MAX6754UKWD0+T but with additional features like adjustable reset threshold and watchdog timer functionality.
2. MAX6756UKWD0+T: Voltage supervisor IC with higher supply voltage range and extended operating temperature range.
3. MAX6757UKWD0+T: Dual-channel voltage supervisor IC for monitoring two independent power supplies simultaneously.
4. MAX6758UKWD0+T: Voltage supervisor IC with built-in hysteresis for improved noise immunity.

These alternative models offer similar voltage monitoring and reset functionality, but with additional features or specifications tailored to specific application requirements.

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