DS1833Z-5

Product Overview

Category

The DS1833Z-5 belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling the power supply voltage in electronic systems.

Characteristics

• Voltage monitoring: The DS1833Z-5 can monitor the power supply voltage and provide a reset signal when it falls below a certain threshold.
• Low power consumption: It operates with low power consumption, making it suitable for battery-powered devices.
• Wide operating voltage range: The DS1833Z-5 can operate within a wide voltage range, making it compatible with various electronic systems.
• Adjustable reset threshold: The reset threshold voltage can be adjusted according to the specific requirements of the system.
• Precision monitoring: It provides accurate voltage monitoring to ensure reliable system operation.

Package

The DS1833Z-5 is available in a small surface-mount SOT-23 package.

Essence

The essence of DS1833Z-5 lies in its ability to monitor the power supply voltage and provide a reset signal to ensure proper functioning of electronic systems.

Packaging/Quantity

The DS1833Z-5 is typically packaged in reels or tubes, with quantities varying depending on the supplier.

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Reset Threshold Voltage: Adjustable from 1.8V to VCC-0.6V
• Reset Timeout Period: Fixed at 200ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The DS1833Z-5 has three pins:

1. VCC: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin that provides a reset signal when the monitored voltage falls below the threshold.

Functional Features

• Voltage Monitoring: The DS1833Z-5 continuously monitors the power supply voltage.
• Reset Signal Generation: When the monitored voltage falls below the set threshold, the DS1833Z-5 generates a reset signal.
• Adjustable Threshold: The reset threshold voltage can be adjusted to suit specific system requirements.
• Power-On Reset: The DS1833Z-5 provides a reset signal upon power-up to ensure proper initialization of the system.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures reliable system operation.
• Low power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range allows compatibility with various electronic systems.
• Adjustable reset threshold provides flexibility in system design.

Disadvantages

• Fixed reset timeout period may not be suitable for all applications.
• Limited availability in certain package options.

Working Principles

The DS1833Z-5 operates by comparing the power supply voltage with the set threshold voltage. If the voltage falls below the threshold, the DS1833Z-5 generates a reset signal. This signal remains active until the voltage rises above the threshold or power is removed.

Detailed Application Field Plans

The DS1833Z-5 finds application in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some potential application fields include:

1. Microcontrollers: Ensuring proper initialization and reliable operation of microcontroller-based systems.
2. Embedded Systems: Providing voltage supervision for embedded systems to prevent erratic behavior due to unstable power supply.
3. Industrial Control Systems: Monitoring power supply voltage in industrial control systems to prevent damage or data loss during voltage fluctuations.
4. Automotive Electronics: Ensuring stable power supply in automotive electronics to prevent malfunctions and improve safety.

Detailed and Complete Alternative Models

1. MAX823: Voltage supervisor with adjustable reset threshold and fixed timeout period.
2. ADM6315: Precision voltage monitor with adjustable reset threshold and programmable timeout period.
3. TPS3808: Ultra-low power voltage supervisor with adjustable reset threshold and fixed timeout period.

These alternative models offer similar functionality to the DS1833Z-5 and can be considered as alternatives based on specific requirements and availability.

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