DS1816-5/T&R

Product Overview

Category

DS1816-5/T&R belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for voltage monitoring and reset functions in electronic devices.

Characteristics

• Voltage monitoring: DS1816-5/T&R provides accurate monitoring of power supply voltages.
• Reset function: It generates a reset signal when the monitored voltage falls below a specified threshold.
• Low power consumption: The IC operates with low power requirements, making it suitable for battery-powered devices.
• Small form factor: DS1816-5/T&R comes in a compact package, allowing for easy integration into various electronic systems.

Package

The DS1816-5/T&R is available in a surface-mount package, which facilitates its installation on printed circuit boards (PCBs).

Essence

The essence of DS1816-5/T&R lies in its ability to ensure stable operation of electronic devices by monitoring voltage levels and generating reset signals when necessary.

Packaging/Quantity

This product is typically packaged in reels, containing a specific quantity of DS1816-5/T&R ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply voltage range: 2.7V to 5.5V
• Threshold voltage options: 4.63V, 4.38V, 4.00V, 3.08V, 2.93V, 2.63V
• Operating temperature range: -40°C to +85°C
• Quiescent current: 10µA (typical)
• Output type: Active-low push-pull
• Reset timeout period: Adjustable or fixed (manufacturer-dependent)

Detailed Pin Configuration

The DS1816-5/T&R IC has the following pin configuration:

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

Functional Features

1. Voltage Monitoring: DS1816-5/T&R continuously monitors the input voltage and compares it to a predefined threshold.
2. Reset Generation: When the monitored voltage falls below the threshold, the IC generates an active-low reset signal.
3. Manual Reset: The manual reset (MR) pin allows for immediate system reset when pulled low.
4. Adjustable Timeout Period: Some variants of DS1816-5/T&R offer an adjustable timeout period for the reset signal.
5. Power-On Reset: The IC provides a power-on reset function, ensuring proper initialization of the system during power-up.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures reliable operation of electronic devices.
• Small form factor enables easy integration into various applications.
• Low power consumption makes it suitable for battery-powered devices.
• Adjustable timeout period offers flexibility in system design.

Disadvantages

• Limited threshold voltage options may not cater to all voltage monitoring requirements.
• Lack of additional features such as hysteresis or multiple voltage thresholds.

Working Principles

DS1816-5/T&R operates by continuously monitoring the input voltage using an internal voltage comparator. When the voltage falls below the specified threshold, the IC triggers the reset output, indicating a power failure or unstable voltage condition. The manual reset input allows for immediate system reset, while the adjustable timeout period ensures a controlled restart after the voltage stabilizes.

Detailed Application Field Plans

DS1816-5/T&R finds application in various electronic systems where voltage monitoring and reset functions are critical. Some potential application fields include:

1. Embedded Systems: Used in microcontroller-based systems to ensure stable operation and prevent data corruption during power fluctuations.
2. Industrial Automation: Employed in control systems to monitor power supply voltages and initiate system resets in case of voltage anomalies.
3. Consumer Electronics: Integrated into devices like smart home appliances, ensuring reliable operation and protection against power-related issues.
4. Automotive Electronics: Used in automotive control units to monitor battery voltage and trigger system resets if necessary.

Detailed and Complete Alternative Models

1. MAX6816EUS+T: This IC offers similar voltage monitoring and reset functions with adjustable timeout periods.
2. ADM6315-26D2ARTZ-R7: Provides voltage monitoring and reset capabilities with additional features like watchdog timer and manual reset input.
3. TPS3808G01DBVR: Offers voltage monitoring, reset generation, and adjustable timeout period, along with a wide supply voltage range.

These alternative models provide similar functionalities to DS1816-5/T&R and can be considered as alternatives based on specific application requirements.

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