MAX6367PKA23+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT23-8
• Essence: Monitors the voltage level of a power supply and provides an output signal when it falls below or exceeds a certain threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.3V
• Accuracy: ±1.5%
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6367PKA23+T has a total of 8 pins:

1. GND: Ground reference for the IC.
2. VCC: Positive supply voltage input.
3. RESET#: Active-low reset output.
4. MR#: Manual reset input.
5. TH: Threshold voltage selection pin.
6. TR#: Power-fail output.
7. VDD: Supply voltage input for internal logic.
8. NC: No connection.

Functional Features

• Voltage Monitoring: The MAX6367PKA23+T monitors the voltage level of a power supply and generates a reset signal when the voltage falls below the threshold or exceeds it.
• Precision Threshold: The IC offers a precise threshold voltage of 2.3V, ensuring accurate monitoring.
• Low Power Consumption: With a quiescent current of only 1µA, the MAX6367PKA23+T is designed for low-power applications.
• Manual Reset: The MR# pin allows for manual reset control, enabling system initialization or recovery.
• Power-Fail Output: The TR# pin provides a power-fail signal to indicate when the supply voltage drops below the threshold.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring - Low power consumption - Manual reset capability - Power-fail output for system protection

Disadvantages: - Limited threshold voltage options - SOT23-8 package may require careful handling during assembly

Working Principles

The MAX6367PKA23+T operates by comparing the supply voltage with the internally set threshold voltage. When the supply voltage falls below the threshold, the RESET# output is activated, indicating a power failure or low voltage condition. Conversely, when the supply voltage exceeds the threshold, the RESET# output is deactivated. The MR# pin allows for manual reset control, overriding the automatic monitoring function.

Detailed Application Field Plans

The MAX6367PKA23+T finds applications in various fields, including:

1. Battery-Powered Devices: It can be used to monitor battery voltage levels and trigger actions when the voltage drops below a critical level.
2. Embedded Systems: The IC ensures reliable operation by providing a reset signal when the power supply becomes unstable or fails.
3. Industrial Control Systems: It helps protect sensitive equipment by detecting power failures and initiating appropriate actions.
4. Automotive Electronics: The MAX6367PKA23+T can be utilized to monitor voltage levels in automotive systems, ensuring proper functioning and preventing damage.

Detailed and Complete Alternative Models

1. MAX6369PKA25+T: Similar to MAX6367PKA23+T but with a threshold voltage of 2.5V.
2. MAX6368PKA20+T: Offers a threshold voltage of 2.0V, suitable for different voltage monitoring requirements.
3. MAX6366PKA18+T: Provides a lower threshold voltage of 1.8V, catering to specific applications with lower voltage levels.

These alternative models offer similar functionality but with different threshold voltage options to suit various voltage monitoring needs.

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