MAX6899PAZT+T

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Monitor and Reset
Characteristics: Low-power, precision voltage monitor with adjustable threshold
Package: 8-pin TDFN (Thin Dual Flat No-Lead) package
Essence: Monitors the voltage level of a power supply and provides a reset signal when the voltage falls below a certain threshold
Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

Supply Voltage Range: 1.6V to 5.5V
Adjustable Threshold Voltage Range: 0.4V to VDD - 0.2V
Quiescent Current: 1.5µA (typical)
Reset Timeout Period: 140ms (typical)
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6899PAZT+T has the following pin configuration:

GND: Ground connection
MR: Manual reset input
TH: Threshold adjust input
RST: Reset output
VDD: Positive power supply
NC: No connect
NC: No connect
NC: No connect

Functional Features

Precision voltage monitoring: The MAX6899PAZT+T accurately monitors the voltage level of a power supply.
Adjustable threshold: The threshold voltage can be adjusted using an external resistor connected to the TH pin.
Manual reset: The MR pin allows for manual resetting of the device.
Power-on reset: The MAX6899PAZT+T generates a reset signal upon power-up.

Advantages and Disadvantages

Advantages: - Low quiescent current makes it suitable for battery-powered applications. - Adjustable threshold allows for flexibility in voltage monitoring. - Small package size saves board space.

Disadvantages: - Limited number of pins may restrict functionality in complex systems. - Not suitable for high-voltage applications.

Working Principles

The MAX6899PAZT+T operates by comparing the voltage at the TH pin with an internal reference voltage. When the monitored voltage falls below the threshold, the RST pin is pulled low, indicating a reset condition. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered.

Detailed Application Field Plans

The MAX6899PAZT+T is commonly used in various applications, including:

Battery-powered devices: Monitors battery voltage to prevent damage due to undervoltage conditions.
Microcontroller systems: Provides a reset signal to ensure proper initialization and operation.
Industrial equipment: Protects sensitive components from voltage fluctuations.
Automotive electronics: Ensures reliable operation of critical systems during power supply variations.

Detailed and Complete Alternative Models

MAX809: Low-power microprocessor reset circuits with fixed threshold voltages.
MAX638: Voltage monitors with adjustable thresholds and manual reset options.
MAX671: Precision voltage detectors with adjustable threshold levels and watchdog timer functionality.

These alternative models offer similar features and can be considered as substitutes for the MAX6899PAZT+T in different applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX6899PAZT+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX6899PAZT+T in technical solutions:

Q: What is MAX6899PAZT+T? A: MAX6899PAZT+T is a voltage detector IC (integrated circuit) that monitors the power supply voltage and provides an output signal when the voltage falls below a certain threshold.
Q: What is the operating voltage range of MAX6899PAZT+T? A: The operating voltage range of MAX6899PAZT+T is typically between 1.6V and 5.5V.
Q: How does MAX6899PAZT+T detect undervoltage conditions? A: MAX6899PAZT+T compares the input voltage with a fixed reference voltage internally and generates an output signal when the input voltage drops below the reference voltage.
Q: Can MAX6899PAZT+T be used in battery-powered applications? A: Yes, MAX6899PAZT+T can be used in battery-powered applications as it operates within a wide voltage range and consumes very low quiescent current.
Q: What is the typical quiescent current of MAX6899PAZT+T? A: The typical quiescent current of MAX6899PAZT+T is around 1µA, making it suitable for low-power applications.
Q: Does MAX6899PAZT+T have any built-in hysteresis? A: Yes, MAX6899PAZT+T has built-in hysteresis, which helps prevent false triggering due to noise or voltage fluctuations.
Q: Can MAX6899PAZT+T be used to reset microcontrollers or other digital devices? A: Yes, MAX6899PAZT+T can be used as a reset signal for microcontrollers and other digital devices by connecting its output to the reset pin of the device.
Q: What is the maximum output current of MAX6899PAZT+T? A: The maximum output current of MAX6899PAZT+T is typically 20mA, which is sufficient to drive external components directly.
Q: Is MAX6899PAZT+T available in different package options? A: Yes, MAX6899PAZT+T is available in various package options, including SOT23-3 and SC70-3, providing flexibility for different PCB layouts.
Q: Can MAX6899PAZT+T be used in automotive applications? A: Yes, MAX6899PAZT+T is suitable for automotive applications as it meets the necessary industry standards and has a wide operating temperature range.

Please note that these answers are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.