DS1810-5+ - Product Overview

Category

DS1810-5+ belongs to the category of integrated circuits (ICs).

Use

The DS1810-5+ IC is primarily used for voltage monitoring and reset generation in various electronic systems.

Characteristics

• Voltage monitoring: The DS1810-5+ monitors the supply voltage and generates a reset signal when it falls below a specified threshold.
• Reset generation: It provides a stable reset signal to ensure proper system initialization after power-up or voltage fluctuations.
• Low power consumption: The IC operates with low power consumption, making it suitable for battery-powered devices.
• Wide operating voltage range: It can operate within a wide voltage range, typically from 1.6V to 5.5V.
• Small package size: The DS1810-5+ comes in a compact package, allowing for space-efficient integration into electronic systems.
• RoHS compliant: The IC is manufactured following the Restriction of Hazardous Substances directive, ensuring environmental safety.

Package and Quantity

The DS1810-5+ is available in a small surface-mount SOT-23 package. It is typically sold in reels containing 3000 units per reel.

Specifications

• Supply voltage range: 1.6V to 5.5V
• Reset threshold voltage: Adjustable from 2.32V to 4.63V
• Reset timeout period: Programmable from 140ms to 1120ms
• Operating temperature range: -40°C to +85°C
• Quiescent current: 10µA (typical)

Pin Configuration

The DS1810-5+ features a 5-pin SOT-23 package with the following pin configuration:

┌───┬───┐ │ 1 │ 2 │ ├───┼───┤ │ 3 │ 4 │ ├───┼───┤ │ 5 │ └───┘

1. GND: Ground connection
2. MR: Manual reset input (active-low)
3. VCC: Supply voltage input
4. RESET: Reset output
5. TH: Threshold voltage adjustment pin

Functional Features

• Voltage monitoring: The DS1810-5+ continuously monitors the supply voltage.
• Reset generation: It generates a reset signal when the voltage falls below the programmable threshold.
• Manual reset: The IC provides a manual reset input for immediate system reset.
• Adjustable threshold: The threshold voltage can be set using an external resistor divider network.
• Programmable timeout: The reset timeout period can be adjusted to suit specific system requirements.

Advantages

• Reliable voltage monitoring: Ensures proper system operation by generating a reset signal during voltage fluctuations.
• Low power consumption: Ideal for battery-powered devices, as it consumes minimal power during operation.
• Compact size: The small package allows for easy integration into space-constrained electronic systems.
• Wide operating voltage range: Can be used in various applications with different voltage requirements.
• RoHS compliant: Manufactured following environmental safety standards.

Disadvantages

• Limited pin configuration options: The IC is available only in a 5-pin SOT-23 package, which may restrict certain design possibilities.
• Lack of advanced features: The DS1810-5+ focuses on basic voltage monitoring and reset generation, lacking more advanced functionalities.

Working Principles

The DS1810-5+ operates by comparing the supply voltage with the programmable threshold voltage. When the supply voltage drops below the threshold, the IC generates a reset signal. This signal remains active until the supply voltage rises above the threshold or a manual reset is triggered.

Application Field Plans

The DS1810-5+ finds applications in various electronic systems, including: 1. Microcontrollers and microprocessors 2. Embedded systems 3. Power management circuits 4. Industrial automation equipment 5. Consumer electronics

Alternative Models

For voltage monitoring and reset generation, alternative IC models include: 1. MAX809: Manufactured by Maxim Integrated, offering similar features and package options. 2. MCP100: Produced by Microchip Technology, providing comparable functionality with different package choices. 3. TPS3808: Texas Instruments' alternative with additional advanced features like power-on reset delay.

These alternative models offer similar functionalities to the DS1810-5+, providing flexibility for different design requirements.

In conclusion, the DS1810-5+ is a versatile integrated circuit used for voltage monitoring and reset generation in various electronic systems. Its compact size, low power consumption, and wide operating voltage range make it suitable for diverse applications. While it has some limitations in terms of pin configuration options and advanced features, alternative models are available to cater to specific design needs.