LTC2953IDD-1#PBF

Product Overview

Category

The LTC2953IDD-1#PBF belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for power management applications.

Characteristics

The LTC2953IDD-1#PBF is a versatile power supply monitor and push-button controller. It offers a wide range of features, making it suitable for various applications.

Package

The LTC2953IDD-1#PBF comes in a small 10-lead DFN package.

Essence

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

Packaging/Quantity

The LTC2953IDD-1#PBF is typically packaged in reels and available in quantities suitable for both prototyping and production purposes.

Specifications

The LTC2953IDD-1#PBF has the following specifications:

• Supply Voltage Range: 2.7V to 26.5V
• Quiescent Current: 15μA (typical)
• Power-On Reset Threshold: Adjustable from 1.2V to 5.5V
• Push-Button Input Debounce Time: Programmable from 0ms to 10s
• Power-Up and Power-Down Sequencing: Configurable through external resistors and capacitors
• Fault Detection: Overvoltage, undervoltage, and power-fail detection

Detailed Pin Configuration

The LTC2953IDD-1#PBF has the following pin configuration:

1. VIN - Power Supply Input
2. GND - Ground
3. PGOOD - Power Good Output
4. NMI - Non-Maskable Interrupt Output
5. RST - System Reset Output
6. EN - Enable Input
7. DEB - Push-Button Input Debounce Control
8. PWRGD - Power Good Input
9. VCC - Supply Voltage Output
10. VBAT - Backup Battery Input

Functional Features

The LTC2953IDD-1#PBF offers the following functional features:

• Accurate power supply monitoring
• Programmable power-up and power-down sequencing
• Adjustable push-button input debounce time
• Non-maskable interrupt output for fault detection
• Power good output for system status indication
• Backup battery input for reliable operation during power loss

Advantages and Disadvantages

Advantages

• Versatile power management solution
• Wide supply voltage range
• Low quiescent current
• Flexible configuration options
• Reliable fault detection

Disadvantages

• Limited pin count for complex applications
• Requires external resistors and capacitors for sequencing

Working Principles

The LTC2953IDD-1#PBF operates by continuously monitoring the power supply voltage. It compares the voltage against programmable thresholds to detect overvoltage, undervoltage, and power-fail conditions. The device can be configured to generate system reset signals or non-maskable interrupts based on these conditions. Additionally, it allows for controlled power-up and power-down sequences through external resistors and capacitors.

Detailed Application Field Plans

The LTC2953IDD-1#PBF finds applications in various fields, including but not limited to:

1. Embedded systems
2. Industrial automation
3. Automotive electronics
4. Medical devices
5. Consumer electronics

In embedded systems, it ensures proper power supply monitoring and controlled startup/shutdown sequences. In industrial automation, it helps maintain system integrity during power fluctuations. In automotive electronics, it provides reliable power management for critical components. In medical devices, it ensures safe and stable operation. In consumer electronics, it enhances user experience by enabling graceful power transitions.

Detailed and Complete Alternative Models

1. LTC2952IDD-1#PBF
2. LTC2954IDD-1#PBF
3. LTC2955IDD-1#PBF
4. LTC2956IDD-1#PBF
5. LTC2957IDD-1#PBF

These alternative models offer similar functionality with slight variations in specifications, pin configuration, or package options. They can be considered as alternatives to the LTC2953IDD-1#PBF based on specific application requirements.

In conclusion, the LTC2953IDD-1#PBF is a versatile power supply monitor and push-button controller that offers accurate monitoring, configurable sequencing, and reliable fault detection. It finds applications in various fields and has several alternative models available for different needs.