LTC2951IDDB-2#TRPBF

Product Overview

Category

The LTC2951IDDB-2#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for power supply monitoring and battery management applications.

Characteristics

The LTC2951IDDB-2#TRPBF is known for its high accuracy, low power consumption, and compact size. It offers reliable performance in various power management scenarios.

Package

The LTC2951IDDB-2#TRPBF comes in a small 8-pin DFN (Dual Flat No-Lead) package.

Essence

The essence of this product lies in its ability to monitor power supply voltages and control system shutdown or power-up sequences.

Packaging/Quantity

The LTC2951IDDB-2#TRPBF is typically packaged in reels and available in quantities suitable for both prototyping and mass production.

Specifications

The following are the key specifications of the LTC2951IDDB-2#TRPBF:

• Supply Voltage Range: 2.7V to 26V
• Quiescent Current: 10μA (typical)
• Power-On Reset Threshold Accuracy: ±1.5%
• Adjustable Reset Timeout Period: 200ms to 10s
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LTC2951IDDB-2#TRPBF features the following pin configuration:

1. GND (Ground)
2. VIN (Input Voltage)
3. RST (Reset Output)
4. EN (Enable Input)
5. VCC (Power Supply)
6. TMR (Timer Input)
7. FLT (Fault Output)
8. PFI (Power Fail Input)

Functional Features

The LTC2951IDDB-2#TRPBF offers the following functional features:

• Power-on reset generation
• Adjustable reset timeout period
• Programmable power-up and power-down sequences
• Fault detection and reporting
• Low quiescent current for power-sensitive applications

Advantages and Disadvantages

Advantages

• High accuracy in power supply monitoring
• Flexible configuration options for power sequencing
• Low power consumption for energy-efficient designs
• Compact package size for space-constrained applications

Disadvantages

• Limited availability of alternative models with similar specifications
• Relatively higher cost compared to some other power management ICs

Working Principles

The LTC2951IDDB-2#TRPBF operates based on a combination of voltage monitoring, timer-based control, and fault detection mechanisms. It continuously monitors the input voltage and generates a reset signal when the voltage falls below a certain threshold or exceeds a predefined limit. The device also allows for programmable power-up and power-down sequences, enabling controlled system startup and shutdown processes.

Detailed Application Field Plans

The LTC2951IDDB-2#TRPBF finds applications in various fields, including but not limited to:

1. Battery-powered devices: Enables efficient power management and prolongs battery life.
2. Embedded systems: Facilitates controlled startup and shutdown sequences, ensuring reliable operation.
3. Industrial automation: Monitors power supply voltages and triggers appropriate actions in case of faults or failures.
4. Internet of Things (IoT): Provides power supply monitoring and control capabilities for IoT devices.
5. Automotive electronics: Ensures proper power sequencing and fault detection in automotive systems.

Detailed and Complete Alternative Models

While the LTC2951IDDB-2#TRPBF is a highly capable power management IC, there are alternative models available in the market that offer similar functionality. Some notable alternatives include:

1. MAX16054 - Integrated power sequencer and supervisor with adjustable reset timeout.
2. TPS3890 - Ultra-low power voltage supervisor with programmable reset delay.
3. ADM1066 - Power supply sequencer and monitor with fault detection and reporting features.

These alternative models can be considered based on specific application requirements and design constraints.

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