DS1233D-15+ Encyclopedia Entry

Product Overview

Category

The DS1233D-15+ belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for voltage monitoring and power supply supervision in electronic systems.

Characteristics

• Voltage monitoring range: 0V to 5.5V
• Power supply supervision with programmable reset threshold
• Low power consumption
• Small form factor
• Wide operating temperature range: -40°C to +85°C

Package

The DS1233D-15+ is available in a compact surface-mount package.

Essence

The essence of the DS1233D-15+ lies in its ability to monitor voltage levels and provide reliable power supply supervision, ensuring the stable operation of electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Reset Threshold Voltage: Programmable from 1.2V to 4.6V
• Reset Timeout Period: 15ms (typical)
• Quiescent Current: 10µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The DS1233D-15+ has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. RESET: Active-low reset output
4. MR: Manual reset input

Functional Features

1. Voltage Monitoring: The DS1233D-15+ continuously monitors the voltage level at the VCC pin and compares it with the programmable reset threshold.
2. Power Supply Supervision: If the monitored voltage falls below the set threshold, the IC asserts an active-low reset signal on the RESET pin, indicating a power supply failure.
3. Reset Timeout: The IC provides a fixed reset timeout period of 15ms (typical) to ensure proper system initialization after power is restored.
4. Manual Reset: The MR pin allows for manual reset control, enabling users to override the automatic reset function.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring
• Programmable reset threshold
• Low power consumption
• Compact form factor
• Wide operating temperature range

Disadvantages

• Fixed reset timeout period may not be suitable for all applications
• Limited number of alternative models available in the market

Working Principles

The DS1233D-15+ operates by continuously monitoring the voltage level at the VCC pin. If the voltage falls below the programmable reset threshold, the IC asserts an active-low reset signal on the RESET pin. This signal indicates a power supply failure or an unstable voltage condition. The IC also incorporates a fixed reset timeout period to ensure proper system initialization after power is restored.

Detailed Application Field Plans

The DS1233D-15+ finds applications in various electronic systems where voltage monitoring and power supply supervision are critical. Some potential application fields include:

1. Embedded Systems: The IC can be used in microcontroller-based embedded systems to ensure reliable power supply and prevent data corruption during voltage fluctuations.
2. Industrial Automation: It can be employed in industrial automation equipment to monitor power supply integrity and trigger appropriate actions in case of voltage deviations.
3. Telecommunications: The DS1233D-15+ can be integrated into telecommunications devices to provide voltage monitoring and reset functionality, ensuring uninterrupted operation.
4. Consumer Electronics: It finds utility in consumer electronics products such as smart home devices, where stable power supply is essential for proper functioning.

Detailed and Complete Alternative Models

While the DS1233D-15+ is a reliable voltage monitoring and power supply supervision IC, there are alternative models available in the market that offer similar functionality. Some notable alternatives include:

1. MAX1233: Manufactured by Maxim Integrated, this IC provides programmable reset thresholds and adjustable reset timeout periods.
2. LTC2914: Offered by Linear Technology, this IC features multiple voltage monitoring channels and flexible reset output options.
3. TPS3700: Texas Instruments produces this IC, which offers ultra-low power consumption and wide operating voltage range.

These alternative models provide users with a range of options to suit their specific requirements.

In conclusion, the DS1233D-15+ is a versatile integrated circuit designed for voltage monitoring and power supply supervision. With its compact size, programmable features, and wide operating temperature range, it finds applications in various electronic systems across industries. While it has certain limitations, alternative models in the market offer additional functionalities and flexibility.