DS1236A-5

Product Overview

Category

DS1236A-5 belongs to the category of integrated circuits (ICs).

Use

The DS1236A-5 IC is primarily used for voltage monitoring and reset functions in electronic systems.

Characteristics

• Voltage monitoring: The DS1236A-5 monitors the supply voltage and provides a reset signal when the voltage falls below a specified threshold.
• Reset function: It ensures that the system resets properly after a power-on or brownout event.
• Low power consumption: The IC operates with low power requirements, making it suitable for battery-powered devices.
• Wide operating voltage range: The DS1236A-5 can operate within a wide voltage range, typically from 2.7V to 5.5V.
• Small package size: The IC is available in a compact package, allowing for space-efficient integration into electronic systems.

Package and Quantity

The DS1236A-5 is commonly available in a small outline integrated circuit (SOIC) package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Reset Threshold Voltage: 4.63V (typical)
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-8

Pin Configuration

The DS1236A-5 IC has the following pin configuration:

____ VCC | | GND RST | | N/C GND | | RESET GND | | MR GND | | GND GND | | GND GND | | GND ----

Functional Features

1. Voltage Monitoring: The DS1236A-5 continuously monitors the supply voltage and compares it to a preset threshold.
2. Reset Signal Generation: When the supply voltage falls below the threshold, the IC generates a reset signal to ensure proper system initialization.
3. Reset Timeout: The IC includes a reset timeout feature that ensures the reset signal remains active for a specific period, allowing the system to stabilize before resuming normal operation.
4. Manual Reset Input: The MR pin allows for manual triggering of the reset function, overriding the voltage monitoring.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality.
• Low power consumption, suitable for battery-powered devices.
• Wide operating voltage range accommodates various systems.
• Compact package size enables space-efficient integration.

Disadvantages

• Limited number of pins may restrict additional functionalities.
• Lack of advanced features compared to more specialized voltage monitoring ICs.

Working Principles

The DS1236A-5 operates by continuously monitoring the supply voltage using an internal voltage comparator. When the voltage falls below the preset threshold, the IC triggers the reset signal. The reset signal remains active for a specific timeout period, allowing the system to stabilize before resuming normal operation. The manual reset input (MR) provides an override option for triggering the reset function manually.

Application Field Plans

The DS1236A-5 finds applications in various electronic systems where reliable voltage monitoring and reset functions are crucial. Some potential application fields include:

1. Microcontroller-based Systems: The IC ensures proper initialization and reliable operation of microcontroller-based systems, preventing data corruption or erratic behavior due to power fluctuations.
2. Industrial Control Systems: It can be used in industrial control systems to monitor power supply integrity and provide a reset signal to critical components in case of voltage drops.
3. Embedded Systems: The DS1236A-5 is suitable for embedded systems, such as IoT devices and wearable electronics, where power efficiency and reliable operation are essential.

Alternative Models

1. DS1236A-3: Similar to DS1236A-5 but with a different reset threshold voltage.
2. DS1236B-5: An enhanced version with additional features like adjustable reset timeout period.
3. DS1236C-5: A higher-performance variant with extended operating temperature range.

These alternative models provide options with varying specifications and features, allowing users to choose the most suitable IC for their specific requirements.

In conclusion, the DS1236A-5 is an integrated circuit designed for voltage monitoring and reset functions in electronic systems. Its compact size, low power consumption, and wide operating voltage range make it a versatile choice for various applications. However, its limited pin count and lack of advanced features may be considered as disadvantages in certain scenarios.