LTC2963CUDC-1#PBF

Product Overview

Category

The LTC2963CUDC-1#PBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage monitoring and power supply sequencing applications.

Characteristics

• Voltage monitoring: The LTC2963CUDC-1#PBF provides accurate monitoring of multiple input voltages.
• Power supply sequencing: It ensures proper power-up and power-down sequencing of various components in a system.
• High accuracy: The device offers precise voltage monitoring with low voltage thresholds and tight tolerances.
• Wide operating range: It can operate within a wide voltage range, making it suitable for various applications.
• Low power consumption: The LTC2963CUDC-1#PBF consumes minimal power, contributing to energy efficiency.
• Small package size: It comes in a compact package, enabling space-saving designs.

Package and Quantity

The LTC2963CUDC-1#PBF is available in a small form factor 10-lead MSOP package. It is typically sold in reels or tubes containing a specified quantity of units.

Specifications

• Input Voltage Range: 2.7V to 80V
• Threshold Accuracy: ±1.5%
• Operating Temperature Range: -40°C to 85°C
• Quiescent Current: 20µA (typical)
• Output Type: Open-drain
• Fault Detection Timeout: Adjustable
• Power Supply Sequencing Delay: Programmable

Pin Configuration

The LTC2963CUDC-1#PBF features the following pin configuration:

1. VIN1: Input voltage 1
2. VIN2: Input voltage 2
3. VIN3: Input voltage 3
4. GND: Ground
5. FLT: Fault output
6. GATE: Power supply sequencing control input
7. VCC: Supply voltage
8. VIN4: Input voltage 4
9. VIN5: Input voltage 5
10. VOUT: Output voltage

Functional Features

• Voltage Monitoring: The LTC2963CUDC-1#PBF continuously monitors the input voltages and provides accurate status indications.
• Fault Detection: It detects various fault conditions such as undervoltage, overvoltage, and power supply sequencing errors.
• Programmable Sequencing: The device allows users to program the power supply sequencing delay, ensuring proper system operation.
• Adjustable Timeout: The fault detection timeout can be adjusted to accommodate different system requirements.
• Open-Drain Output: The open-drain output provides flexibility for connecting external components.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring
• Wide operating voltage range
• Low power consumption
• Programmable power supply sequencing
• Compact package size

Disadvantages

• Limited number of input voltage channels
• Requires additional external components for complete functionality

Working Principles

The LTC2963CUDC-1#PBF operates by continuously monitoring the input voltages connected to its pins. It compares these voltages against user-defined thresholds to determine their status. The device generates a fault output when any of the monitored voltages fall outside the specified range or when power supply sequencing errors occur. The programmable sequencing delay ensures that the power supplies are turned on/off in the correct order, preventing potential damage to sensitive components.

Detailed Application Field Plans

The LTC2963CUDC-1#PBF finds applications in various fields, including:

1. Industrial Automation: It is used in control systems to monitor and sequence power supplies for reliable operation.
2. Automotive Electronics: The device ensures proper voltage monitoring and sequencing in automotive electronic systems.
3. Telecommunications: It is employed in telecom equipment to monitor and control power supply voltages.
4. Medical Devices: The LTC2963CUDC-1#PBF provides voltage monitoring capabilities in medical devices, ensuring safe and reliable operation.

Detailed Alternative Models

1. LTC2960CUDC-1#PBF: Similar to the LTC2963CUDC-1#PBF with a different pin configuration.
2. LTC2964CUDC-1#PBF: Offers additional features such as adjustable fault detection timeout and more input channels.

Please note that the above alternative models are just a few examples, and there are other alternatives available in the market.

In conclusion, the LTC2963CUDC-1#PBF is an integrated circuit designed for accurate voltage monitoring and power supply sequencing applications. With its compact size, wide operating range, and programmable features, it offers significant advantages in various fields. However, it has limitations in terms of the number of input channels and requires additional external components for complete functionality.