MAX6427EIUR+T

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: 16-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Provides accurate monitoring and control of power supply voltages
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low, Open-Drain
• Reset Threshold Options: 2.5V, 3.0V, 3.3V, 5.0V
• Reset Timeout Options: 140ms, 560ms, 1120ms, 2240ms
• Quiescent Current: 4µA (typical)

Detailed Pin Configuration

1. GND: Ground
2. MR: Manual Reset Input
3. RESET#: Active-Low Reset Output
4. VCC: Positive Power Supply
5. GND: Ground
6. GND: Ground
7. GND: Ground
8. GND: Ground
9. GND: Ground
10. GND: Ground
11. GND: Ground
12. GND: Ground
13. GND: Ground
14. GND: Ground
15. GND: Ground
16. VCC: Positive Power Supply

Functional Features

• Accurate voltage monitoring with selectable threshold options
• Manual reset input for immediate system reset
• Open-drain reset output for easy interfacing with other devices
• Low quiescent current for power-efficient operation
• Wide supply voltage range for versatile applications
• Reset timeout options for flexible system requirements

Advantages

• Provides reliable voltage supervision for critical systems
• Low-power operation extends battery life in portable devices
• Small package size saves board space
• Wide operating temperature range allows usage in various environments
• Flexible reset threshold and timeout options cater to different voltage monitoring needs

Disadvantages

• Limited number of available reset threshold and timeout options
• Open-drain output requires external pull-up resistor for proper operation

Working Principles

The MAX6427EIUR+T is a voltage supervisor IC that monitors the power supply voltage and generates a reset signal when the voltage falls below a specified threshold. It operates by comparing the supply voltage with an internal reference voltage. When the supply voltage drops below the selected threshold, the reset output becomes active-low, indicating a power failure or an out-of-range condition. The manual reset input allows for immediate system reset, overriding the voltage monitoring function.

Detailed Application Field Plans

• Battery-powered devices: Ensures proper shutdown or system reset when the battery voltage drops below a safe level.
• Industrial control systems: Monitors power supply voltages to prevent malfunctions or damage to sensitive equipment.
• Automotive electronics: Provides voltage supervision for critical components, ensuring reliable operation under varying conditions.
• Home automation: Enables safe power management and system reset in smart home devices.

Detailed and Complete Alternative Models

1. MAX6412UK+T: 4-Pin SOT23 Voltage Supervisor with Fixed Threshold Options
2. MAX6381XR26D3-T: Dual-Voltage Supervisor with Adjustable Threshold and Timeout Options
3. MAX6730AUTLTD3+: Triple Voltage Monitor with Programmable Reset Timeout

(Note: These alternative models are just examples and not an exhaustive list.)

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