MAX6793TPLD0+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, high-accuracy, adjustable threshold voltage
• Package: Thin, small-outline package (TDFN)
• Essence: Monitors and controls the voltage level of a power supply
• Packaging/Quantity: Tape and reel packaging, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: Adjustable from 0.4V to 5V in 100mV steps
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 2µA (typical)

Detailed Pin Configuration

The MAX6793TPLD0+T has a total of six pins:

1. GND: Ground connection
2. VCC: Positive power supply input
3. RESET#: Active-low reset output
4. MR#: Manual reset input
5. TH: Threshold voltage adjustment pin
6. N.C.: No connection

Functional Features

• Accurate Voltage Monitoring: The MAX6793TPLD0+T provides precise monitoring of the power supply voltage, ensuring reliable operation of the system.
• Adjustable Threshold Voltage: The threshold voltage can be easily adjusted using an external resistor, allowing customization for different applications.
• Power-On Reset: The device generates a reset signal when the power supply voltage rises above the set threshold, ensuring proper initialization of the system.
• Manual Reset Input: An external push-button or switch can be connected to the MR# pin to manually trigger a reset.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various power sources. - Adjustable threshold voltage provides flexibility for different voltage monitoring requirements. - Low quiescent current minimizes power consumption.

Disadvantages: - Limited number of pins restricts the device's functionality and versatility. - Manual reset input may require additional external components for proper implementation.

Working Principles

The MAX6793TPLD0+T operates by comparing the monitored voltage at the TH pin with the internally set threshold voltage. When the monitored voltage falls below the threshold, the RESET# output is asserted low, indicating a power failure or an out-of-tolerance condition. The device remains in this state until the voltage rises above the threshold or a manual reset signal is received.

Detailed Application Field Plans

The MAX6793TPLD0+T finds applications in various fields, including:

1. Power Supply Monitoring: It can be used to monitor the voltage level of power supplies in electronic devices, ensuring stable operation and protecting against undervoltage conditions.
2. Battery-Powered Systems: The adjustable threshold voltage feature makes it suitable for monitoring battery voltages in portable devices, preventing excessive discharge and prolonging battery life.
3. Industrial Control Systems: The device can be employed in industrial control systems to monitor critical power supply voltages, providing reliable protection against voltage fluctuations.

Detailed and Complete Alternative Models

1. MAX6794TPLD0+T: Similar to the MAX6793TPLD0+T, but with additional features such as a watchdog timer and a power-fail comparator.
2. MAX6795TPLD0+T: Offers higher accuracy and lower quiescent current compared to the MAX6793TPLD0+T, making it suitable for demanding applications.
3. MAX6796TPLD0+T: Provides multiple threshold voltage options and additional features like a manual reset timeout period, enabling more precise voltage monitoring.

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