LTC2901-1IGN#TRPBF

Product Overview

Category

The LTC2901-1IGN#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices and systems to monitor and control power supply voltages, ensuring reliable operation and protection against voltage fluctuations.

Characteristics

• Monitors up to four power supply voltages simultaneously
• Provides accurate voltage threshold detection
• Offers adjustable delay times for power-up and power-down sequencing
• Low quiescent current consumption
• Wide operating voltage range
• High accuracy and precision

Package

The LTC2901-1IGN#TRPBF is available in a small form factor package known as 16-pin SSOP (Shrink Small Outline Package). This package offers compactness and ease of integration into different circuit designs.

Essence

The essence of the LTC2901-1IGN#TRPBF lies in its ability to monitor multiple power supply voltages with high accuracy and precision, enabling efficient power management and protection.

Packaging/Quantity

This IC is typically packaged in reels or tubes, containing a specific quantity of units per package. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

• Supply Voltage Range: 2.7V to 6V
• Operating Temperature Range: -40°C to 85°C
• Quiescent Current: 20µA (typical)
• Number of Voltage Monitors: 4
• Threshold Accuracy: ±1.5%
• Delay Time Range: 0ms to 10s

Detailed Pin Configuration

The LTC2901-1IGN#TRPBF features a 16-pin SSOP package with the following pin configuration:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. V1: Voltage monitor input 1
4. V2: Voltage monitor input 2
5. V3: Voltage monitor input 3
6. V4: Voltage monitor input 4
7. GPOUT: General-purpose output
8. GND: Ground reference
9. GND: Ground reference
10. GND: Ground reference
11. GND: Ground reference
12. GND: Ground reference
13. GND: Ground reference
14. GND: Ground reference
15. GND: Ground reference
16. GND: Ground reference

Functional Features

• Simultaneous monitoring of multiple power supply voltages
• Adjustable voltage threshold detection for each monitored voltage
• Programmable delay times for power-up and power-down sequencing
• General-purpose output for system status indication or control purposes

Advantages and Disadvantages

Advantages

• High accuracy and precision in voltage monitoring
• Flexible configuration options for voltage thresholds and delay times
• Low quiescent current consumption, minimizing power wastage
• Wide operating voltage range for compatibility with various systems

Disadvantages

• Limited number of voltage monitors (up to four)
• Requires external components for complete power management functionality

Working Principles

The LTC2901-1IGN#TRPBF operates by continuously monitoring the voltage levels of the connected power supplies. It compares these voltages against user-defined threshold values. When a voltage exceeds or falls below the set threshold, the IC triggers an appropriate response, such as activating an alarm or initiating a power sequence.

The adjustable delay times allow for controlled power-up and power-down sequences, preventing potential issues caused by simultaneous voltage fluctuations. The general-purpose output can be utilized to indicate system status or control other components based on the monitored voltage conditions.

Detailed Application Field Plans

The LTC2901-1IGN#TRPBF finds applications in various fields, including:

1. Industrial Automation: Ensuring stable power supply for critical control systems and machinery.
2. Telecommunications: Monitoring voltage levels in communication equipment to prevent malfunctions and downtime.
3. Automotive Electronics: Protecting sensitive electronic components from voltage variations in automotive systems.
4. Medical Devices: Maintaining reliable power supply for medical equipment, ensuring patient safety.
5. Consumer Electronics: Enhancing power management capabilities in devices such as smartphones, tablets, and laptops.

Detailed and Complete Alternative Models

1. LTC2901-2IGN#TRPBF: Similar to LTC2901-1IGN#TRPBF but with two voltage monitors instead of four.
2. LTC2901-3IGN#TRPBF: Offers three voltage monitors and additional features for advanced power management applications.
3. LTC2901-4IGN#TRPBF: Four-channel voltage monitor IC with enhanced accuracy and extended temperature range.

These alternative models provide varying capabilities and can be chosen based on specific application requirements.

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