MAX805SCSA+T

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Supervisor
Characteristics: Low-power, Precision, Reset Output
Package: Small Outline Integrated Circuit (SOIC)
Essence: Monitors the power supply voltage and generates a reset signal when the voltage drops below a specified threshold.
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Supply Voltage Range: 1.2V to 5.5V
Threshold Voltage Options: 2.63V, 3.08V, 4.38V
Reset Timeout Period: Adjustable or Fixed (140ms, 280ms, 560ms, 1120ms)
Operating Temperature Range: -40°C to +85°C
Quiescent Current: 7µA (typical)

Pin Configuration

The MAX805SCSA+T has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | GND | Ground | | 2 | RESET | Reset Output| | 3 | VCC | Supply Voltage |

Functional Features

Monitors the power supply voltage continuously.
Generates a reset signal when the voltage drops below the specified threshold.
Provides an adjustable or fixed reset timeout period.
Low quiescent current consumption for power-sensitive applications.

Advantages

Wide supply voltage range allows compatibility with various systems.
Precision monitoring ensures reliable operation.
Adjustable reset timeout period offers flexibility in different applications.
Low-power consumption prolongs battery life in portable devices.

Disadvantages

Limited threshold voltage options may not suit all voltage requirements.
Single reset output limits its use in complex systems requiring multiple resets.

Working Principles

The MAX805SCSA+T operates by comparing the supply voltage with a fixed threshold voltage. When the supply voltage drops below the threshold, the reset output is activated. The reset signal remains active until the supply voltage rises above the threshold or the reset timeout period elapses.

Application Field Plans

The MAX805SCSA+T finds applications in various fields, including:

Battery-Powered Devices: Provides reliable power monitoring and reset functionality in portable electronics.
Industrial Control Systems: Ensures proper operation by monitoring power supply voltages in control units.
Automotive Electronics: Protects sensitive components from voltage fluctuations and initiates system resets when necessary.
Medical Equipment: Offers voltage supervision to ensure safe and reliable operation of medical devices.

Alternative Models

MAX803SCSA+T: Similar voltage supervisor IC with fixed 2.63V threshold and adjustable/reset timeout options.
MAX809SCSA+T: Voltage supervisor IC with fixed 3.08V threshold and adjustable/reset timeout options.
MAX811SCSA+T: Voltage supervisor IC with fixed 4.38V threshold and adjustable/reset timeout options.

Note: These alternative models provide similar functionality but with different threshold voltage options.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX805SCSA+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX805SCSA+T in technical solutions:

Q: What is the purpose of MAX805SCSA+T? A: MAX805SCSA+T is a voltage supervisor IC that monitors the power supply voltage and provides a reset signal when the voltage falls below a certain threshold.
Q: What is the operating voltage range of MAX805SCSA+T? A: The operating voltage range of MAX805SCSA+T is typically between 1.8V and 5.5V.
Q: How does MAX805SCSA+T ensure reliable system operation? A: MAX805SCSA+T monitors the power supply voltage and asserts a reset signal to the microcontroller or other components when the voltage drops below a specified level, preventing erratic behavior or data corruption.
Q: Can I adjust the threshold voltage for the reset signal? A: Yes, the threshold voltage can be adjusted using external resistors connected to the VTH pin of MAX805SCSA+T.
Q: Does MAX805SCSA+T have any built-in delay for the reset signal? A: Yes, MAX805SCSA+T has a fixed delay of approximately 140ms to ensure stable power supply before releasing the reset signal.
Q: Can I use MAX805SCSA+T with both active-high and active-low reset signals? A: Yes, MAX805SCSA+T supports both active-high and active-low reset outputs, depending on the configuration of the MR (Master Reset) pin.
Q: Is MAX805SCSA+T suitable for battery-powered applications? A: Yes, MAX805SCSA+T has a low quiescent current consumption, making it suitable for battery-powered applications where power efficiency is crucial.
Q: Can I use MAX805SCSA+T in automotive applications? A: Yes, MAX805SCSA+T is designed to meet the requirements of automotive applications and can operate in harsh environments with extended temperature ranges.
Q: What is the package type of MAX805SCSA+T? A: MAX805SCSA+T is available in an 8-pin small outline integrated circuit (SOIC) package.
Q: Are there any application notes or reference designs available for MAX805SCSA+T? A: Yes, Maxim Integrated provides application notes and reference designs on their website that can help you understand and implement MAX805SCSA+T in your technical solutions.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.