MAX16058ATA19+T

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Supervisors
• Characteristics: Low Power, Precision, Reset Timer
• Package: 8-TDFN (2x2)
• Essence: This product is a voltage supervisor IC that monitors the power supply voltage of a system and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 1.9V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Quiescent Current: 3µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX16058ATA19+T has the following pin configuration:

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

Functional Features

• Voltage Monitoring: The MAX16058ATA19+T continuously monitors the power supply voltage and asserts the reset signal when it drops below the threshold voltage.
• Precision: The device offers accurate voltage monitoring with a low threshold voltage option of 1.9V.
• Reset Timer: The reset timeout period can be adjusted using an external capacitor connected to the CT pin, allowing customization based on specific application requirements.

Advantages and Disadvantages

Advantages: - Low power consumption - Precise voltage monitoring - Adjustable reset timeout period - Small package size

Disadvantages: - Limited threshold voltage options - No built-in hysteresis

Working Principles

The MAX16058ATA19+T operates by comparing the power supply voltage with the threshold voltage set by the TH pin. When the voltage drops below the threshold, the reset output is asserted low. The reset signal remains active until the voltage rises above the threshold or a manual reset is applied to the MR pin. The reset timeout period can be adjusted using an external capacitor connected to the CT pin.

Detailed Application Field Plans

The MAX16058ATA19+T is commonly used in various applications where reliable voltage monitoring and system reset functionality are required. Some potential application fields include:

1. Battery-Powered Devices: Ensuring proper operation and preventing data loss when the battery voltage drops below a critical level.
2. Microcontrollers and Processors: Providing a reset signal during power-up and brownout conditions to ensure a controlled start-up sequence.
3. Industrial Control Systems: Monitoring power supply voltages in control panels and triggering system resets in case of voltage fluctuations.
4. Automotive Electronics: Protecting sensitive electronic components from voltage dips and spikes in automotive systems.

Detailed and Complete Alternative Models

1. MAX16050ATA29+T: Similar voltage supervisor IC with a threshold voltage of 2.9V.
2. MAX16051ATA33+T: Voltage supervisor IC with a threshold voltage of 3.3V and adjustable reset timeout.
3. MAX16052ATA25+T: Voltage supervisor IC with a threshold voltage of 2.5V and built-in hysteresis for improved noise immunity.

These alternative models offer different threshold voltage options and additional features to cater to specific application requirements.

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