MAX6835HXSD3+T

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Supervisor
Characteristics: Low-power, high-accuracy, reset output delay, watchdog timer
Package: 6-pin SOT23
Essence: Monitors the power supply voltage and provides a reset signal to the microcontroller or other digital circuitry when the voltage drops below a specified threshold.
Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

Supply Voltage Range: 1.6V to 5.5V
Reset Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V
Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
Watchdog Timer Timeout Period: 1.12s
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

GND: Ground connection
RESET: Active-low reset output
MR: Manual reset input
VCC: Positive supply voltage
WDI: Watchdog timer input
NC: No connect

Functional Features

Monitors the power supply voltage continuously
Generates a reset signal when the voltage drops below the specified threshold
Provides a manual reset option through the MR pin
Includes a watchdog timer to monitor system activity
Low-power consumption for battery-powered applications
High accuracy in voltage monitoring

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Multiple reset threshold options provide flexibility in different applications - Small package size saves board space - Low-power operation extends battery life - Accurate voltage monitoring ensures reliable system operation

Disadvantages: - Limited number of reset timeout period options - No adjustable reset threshold voltage

Working Principles

The MAX6835HXSD3+T is designed to monitor the power supply voltage and provide a reset signal to the connected digital circuitry when the voltage drops below a specified threshold. It continuously compares the supply voltage with the internally set threshold voltage. When the voltage falls below the threshold, the reset output becomes active-low, indicating a system reset. The manual reset input (MR) allows for an external reset trigger. The watchdog timer monitors the activity of the system and generates a reset if no activity is detected within the specified timeout period.

Detailed Application Field Plans

The MAX6835HXSD3+T is commonly used in various electronic systems where reliable voltage monitoring and system reset functionality are required. Some application fields include:

Microcontrollers: Ensures proper system initialization and prevents erratic behavior during power-up or voltage fluctuations.
Industrial Control Systems: Provides reliable reset signals to critical control circuits, preventing malfunction due to power supply issues.
Automotive Electronics: Monitors the vehicle's electrical system and triggers a reset if the voltage drops below a safe operating level.
Battery-Powered Devices: Protects battery-powered devices from damage by initiating a reset when the battery voltage reaches a critical level.
Communication Equipment: Ensures stable operation of communication modules by resetting them in case of power supply disturbances.

Detailed and Complete Alternative Models

MAX6834: Similar voltage supervisor IC with different package options (SOT23-5, SOT23-6).
MAX6381: Voltage supervisor IC with adjustable reset threshold voltage and timeout period options.
MAX811: Microprocessor supervisory circuit with manual reset input and adjustable reset threshold voltage.
MAX6717: Dual-voltage supervisor IC with independent reset outputs for two different voltage levels.
MAX6325: Voltage supervisor IC with integrated watchdog timer and adjustable reset timeout period.

(Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's datasheets for a complete list of available options.)

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX6835HXSD3+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX6835HXSD3+T in technical solutions:

Q: What is the purpose of MAX6835HXSD3+T? A: MAX6835HXSD3+T is a voltage supervisor and reset IC that monitors the power supply voltage and generates a reset signal when the voltage falls below a specified threshold.
Q: What is the operating voltage range of MAX6835HXSD3+T? A: The operating voltage range of MAX6835HXSD3+T is typically between 1.6V and 5.5V.
Q: How does MAX6835HXSD3+T help in system reliability? A: MAX6835HXSD3+T ensures reliable operation by monitoring the power supply voltage and generating a reset signal to prevent the system from operating in an undefined state.
Q: Can MAX6835HXSD3+T be used in battery-powered applications? A: Yes, MAX6835HXSD3+T can be used in battery-powered applications as it operates within a wide voltage range and has low quiescent current consumption.
Q: What is the typical reset timeout period of MAX6835HXSD3+T? A: The typical reset timeout period of MAX6835HXSD3+T is 140ms, which can be adjusted using external components.
Q: Does MAX6835HXSD3+T have any built-in protection features? A: Yes, MAX6835HXSD3+T includes built-in features like overvoltage protection and undervoltage lockout to protect the system from voltage spikes and drops.
Q: Can MAX6835HXSD3+T be used with microcontrollers and other digital ICs? A: Yes, MAX6835HXSD3+T can be used with microcontrollers and other digital ICs to ensure proper system initialization and reliable operation.
Q: What is the operating temperature range of MAX6835HXSD3+T? A: The operating temperature range of MAX6835HXSD3+T is typically between -40°C and +85°C.
Q: Does MAX6835HXSD3+T have any power-on reset delay? A: No, MAX6835HXSD3+T does not have a power-on reset delay. It generates a reset signal as soon as the power supply voltage falls below the threshold.
Q: Can multiple MAX6835HXSD3+T devices be used in parallel for redundancy? A: Yes, multiple MAX6835HXSD3+T devices can be used in parallel to provide redundancy and enhance system reliability by monitoring different power supply rails.