MAX6369KA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, Precision, Adjustable Threshold
• Package: SOT23-5
• Essence: Monitors voltage levels and provides a digital output based on the threshold set by the user.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Range: 1.2V to VDD - 0.2V
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6369KA has a total of 5 pins:

1. GND: Ground connection
2. TRIP: Output pin indicating the status of the monitored voltage
3. TH: Threshold setting pin for adjusting the voltage level at which the output changes state
4. RESET: Active-low reset input
5. VDD: Supply voltage input

Functional Features

• Voltage Monitoring: The MAX6369KA monitors the voltage level applied to its input pin and compares it with the threshold voltage set by the user.
• Digital Output: The device provides a digital output on the TRIP pin, indicating whether the monitored voltage is above or below the threshold.
• Adjustable Threshold: The threshold voltage can be easily adjusted using an external resistor connected to the TH pin.
• Low Power Consumption: With a quiescent current of only 1µA, the MAX6369KA is designed for low-power applications.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring - Adjustable threshold for flexibility - Low power consumption - Small package size for space-constrained designs

Disadvantages: - Limited voltage range (1.6V to 5.5V) - Single threshold setting, not programmable

Working Principles

The MAX6369KA operates by comparing the voltage applied to its input pin with the threshold voltage set by the user. When the monitored voltage exceeds the threshold, the TRIP pin goes high, indicating a "high" state. Conversely, when the voltage falls below the threshold, the TRIP pin goes low, indicating a "low" state. The threshold voltage can be adjusted using an external resistor connected to the TH pin.

Detailed Application Field Plans

The MAX6369KA is commonly used in various applications where voltage monitoring is critical. Some potential application fields include:

1. Battery-Powered Devices: Ensuring proper battery voltage levels to prevent over-discharge or damage.
2. Power Management Systems: Monitoring power supply voltages to trigger appropriate actions in case of voltage deviations.
3. Industrial Control Systems: Detecting abnormal voltage conditions in control circuits to ensure safe and reliable operation.
4. Automotive Electronics: Monitoring vehicle battery voltage to prevent excessive discharge and protect sensitive electronics.

Detailed and Complete Alternative Models

1. MAX6369KB: Similar to MAX6369KA but with a different package (SOT23-6).
2. MAX6369KC: Higher voltage range (up to 36V) with adjustable threshold.
3. MAX6369KD: Dual-channel voltage monitor with independent threshold settings.
4. MAX6369KE: Programmable threshold voltage via serial interface.

These alternative models offer similar functionality to the MAX6369KA but may have additional features or different package options to suit specific application requirements.

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