LTC2964HUDC#PBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Supply Monitor
• Characteristics: High Accuracy, Low Power Consumption
• Package: 16-Lead QFN (Quad Flat No-Lead)
• Essence: Monitors power supply voltages and provides accurate power-on reset signals
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 36V
• Operating Temperature Range: -40°C to +85°C
• Accuracy: ±1.5%
• Quiescent Current: 10µA (typical)
• Power-On Reset Timeout: Adjustable from 1ms to 10s

Pin Configuration

The LTC2964HUDC#PBF has a 16-lead QFN package with the following pin configuration:

1. VCC: Power Supply Input
2. GND: Ground
3. VIN1: First Power Supply Voltage Input
4. VIN2: Second Power Supply Voltage Input
5. VIN3: Third Power Supply Voltage Input
6. RESET: Active-Low Reset Output
7. MR: Manual Reset Input
8. GPOUT: General Purpose Output
9. GND: Ground
10. VCC: Power Supply Input
11. VIN4: Fourth Power Supply Voltage Input
12. VIN5: Fifth Power Supply Voltage Input
13. VIN6: Sixth Power Supply Voltage Input
14. GND: Ground
15. VCC: Power Supply Input
16. VCC: Power Supply Input

Functional Features

• Monitors up to six power supply voltages simultaneously
• Provides accurate power-on reset signals for system initialization
• Programmable reset timeout period
• Manual reset input for external control
• General-purpose output for system status indication

Advantages and Disadvantages

Advantages

• High accuracy in monitoring power supply voltages
• Low power consumption, minimizing energy usage
• Flexible reset timeout period adjustment
• Multiple power supply voltage inputs for comprehensive monitoring
• Manual reset input allows external control
• General-purpose output for system status indication

Disadvantages

• Limited to monitoring up to six power supply voltages
• Requires external components for proper operation

Working Principles

The LTC2964HUDC#PBF is designed to monitor multiple power supply voltages in a system. It compares the monitored voltages with programmable thresholds and generates accurate power-on reset signals when the voltages fall below the specified levels. The reset timeout period can be adjusted according to the system requirements.

The device also features a manual reset input that allows external control over the reset function. Additionally, it provides a general-purpose output that can be used to indicate the system's status.

Detailed Application Field Plans

The LTC2964HUDC#PBF is commonly used in various applications where accurate monitoring of power supply voltages is critical. Some of the typical application fields include:

1. Industrial Control Systems: Ensuring stable power supply voltages in control systems is crucial for reliable operation. The LTC2964HUDC#PBF helps monitor and maintain the required voltage levels, providing a reliable power-on reset signal for system initialization.

2. Automotive Electronics: In automotive electronics, where multiple power supply voltages are present, the LTC2964HUDC#PBF ensures that all voltage levels remain within the specified range. This helps prevent malfunctions and ensures safe operation of various electronic components.

3. Telecommunications Equipment: Power supply monitoring is essential in telecommunications equipment to ensure uninterrupted operation. The LTC2964HUDC#PBF plays a vital role in monitoring power supply voltages and generating accurate reset signals, minimizing downtime and improving system reliability.

Detailed and Complete Alternative Models

1. LTC2960: Similar to the LTC2964HUDC#PBF, this model also monitors multiple power supply voltages and provides accurate power-on reset signals. It comes in various package options and offers similar specifications.

2. MAX16050: This IC is another alternative that provides power supply monitoring and reset functions. It features adjustable reset timeout periods and comes in different package options.

3. TPS3839: The TPS3839 is a power supply monitor with a wide supply voltage range and adjustable reset timeout. It offers similar functionality to the LTC2964HUDC#PBF and is available in different package options.

These alternative models can be considered based on specific application requirements and compatibility with the system design.

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