MAX6795TPLD2/V+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: TDFN-8 (Thin Dual Flat No-Lead)
• Essence: Monitors and controls the voltage levels in electronic systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 1.575V, 2.048V, 2.5V, 3.08V, 4.63V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6795TPLD2/V+T features a TDFN-8 package with the following pin configuration:

1. GND: Ground connection
2. RESET#: Active-low reset output
3. MR#: Manual reset input
4. VCC: Positive supply voltage
5. TH: Threshold voltage selection input
6. CT: Capacitor connection for reset timeout period adjustment
7. NC: No connect
8. NC: No connect

Functional Features

• Precision voltage monitoring: The MAX6795TPLD2/V+T accurately monitors the supply voltage and provides a reset signal when it falls below the threshold voltage.
• Adjustable reset timeout period: The reset timeout period can be adjusted using an external capacitor, allowing flexibility in system design.
• Manual reset input: The MR# pin allows for manual reset control, enabling system reset without relying solely on the monitored voltage level.

Advantages and Disadvantages

Advantages: - Low-power operation: The MAX6795TPLD2/V+T consumes only 1.5µA of quiescent current, making it suitable for battery-powered applications. - Wide supply voltage range: With a supply voltage range of 1.6V to 5.5V, this voltage supervisor IC can be used in various electronic systems. - Adjustable reset timeout period: The ability to adjust the reset timeout period provides flexibility in system design.

Disadvantages: - Limited threshold voltage options: The available threshold voltage options may not cover all voltage monitoring requirements. - No connect pins: Two pins (7 and 8) are designated as no connect, which may limit the potential for future expansion or customization.

Working Principles

The MAX6795TPLD2/V+T operates by continuously monitoring the supply voltage using an internal voltage reference. When the supply voltage falls below the selected threshold voltage, the IC asserts the active-low RESET# signal, indicating a power failure or low voltage condition. The reset timeout period, determined by an external capacitor connected to the CT pin, ensures that the reset signal remains asserted for a specific duration after the supply voltage returns to normal.

Detailed Application Field Plans

The MAX6795TPLD2/V+T is commonly used in various applications where precise voltage monitoring is critical. Some potential application fields include:

1. Battery-powered devices: Ensuring proper shutdown or warning when the battery voltage drops below a safe level.
2. Industrial control systems: Monitoring power supply voltages to prevent damage or malfunctioning of sensitive equipment.
3. Automotive electronics: Detecting abnormal voltage levels to protect vehicle components and ensure reliable operation.
4. Medical devices: Providing accurate voltage monitoring to guarantee patient safety and device functionality.
5. Home automation: Monitoring power supply voltages in smart home systems to prevent data loss or equipment damage.

Detailed and Complete Alternative Models

1. MAX6794TPLD2/V+T: Similar to MAX6795TPLD2/V+T, but with a different threshold voltage range.
2. MAX6796TPLD2/V+T: Voltage supervisor IC with additional features such as adjustable hysteresis and watchdog timer.
3. MAX6797TPLD2/V+T: Higher voltage rating version of the MAX6795TPLD2/V+T, suitable for applications requiring higher supply voltages.

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