LTC2927ITS8#TRMPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Programmable Voltage Supervisor and Sequencer
• Package: 8-Lead ThinSOT
• Essence: Provides power supply sequencing and monitoring functions
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: -0.3V to 6V
• Operating Temperature Range: -40°C to 85°C
• Output Voltage Range: 0.4V to 5.5V
• Quiescent Current: 20µA
• Supply Current: 1mA
• Number of Outputs: 2
• Output Type: Active High/Open Drain
• Fault Detection Threshold: Adjustable
• Fault Detection Timeout: Programmable

Detailed Pin Configuration

The LTC2927ITS8#TRMPBF package consists of 8 pins:

1. GND: Ground pin
2. VIN: Input voltage pin
3. VOUT1: Output voltage pin 1
4. VOUT2: Output voltage pin 2
5. FLT1: Fault detection pin 1
6. FLT2: Fault detection pin 2
7. EN: Enable pin
8. VCC: Supply voltage pin

Functional Features

1. Power Supply Sequencing: The LTC2927ITS8#TRMPBF allows for precise sequencing of multiple power supplies, ensuring proper startup and shutdown sequences.
2. Voltage Monitoring: It provides accurate monitoring of the input and output voltages, enabling fault detection and protection.
3. Programmability: The device offers programmable fault detection thresholds and timeouts, allowing customization based on specific application requirements.
4. Dual Output: With two output voltage pins, it can control and monitor multiple power supplies simultaneously.

Advantages and Disadvantages

Advantages: - Precise power supply sequencing - Accurate voltage monitoring - Programmable fault detection parameters - Dual output capability

Disadvantages: - Limited number of outputs (2) - Requires careful configuration for optimal performance

Working Principles

The LTC2927ITS8#TRMPBF operates by continuously monitoring the input and output voltages. It compares these voltages to the programmable thresholds set by the user. If a fault condition is detected, such as an overvoltage or undervoltage situation, the device takes appropriate action, such as activating an alarm signal or shutting down the power supply.

The programmable fault detection timeout allows the user to define the duration for which a fault condition must persist before triggering an action. This feature helps prevent false alarms due to temporary voltage fluctuations.

Detailed Application Field Plans

The LTC2927ITS8#TRMPBF finds applications in various fields where precise power supply sequencing and monitoring are crucial. Some of the detailed application field plans include:

1. Data Centers: Ensuring proper startup and shutdown sequences of multiple power supplies in data centers is essential for maintaining system stability and preventing data loss. The LTC2927ITS8#TRMPBF can be used to achieve this.
2. Industrial Automation: In industrial automation systems, different components often require specific power-up and power-down sequences. This IC can be employed to manage the sequencing and monitoring of power supplies in such systems.
3. Telecommunications: Telecom equipment often consists of multiple power supplies that need to be sequenced correctly to avoid damage and ensure reliable operation. The LTC2927ITS8#TRMPBF can facilitate this requirement.
4. Automotive Electronics: In automotive applications, where multiple power sources are involved, the LTC2927ITS8#TRMPBF can be utilized to control the power supply sequencing and monitor voltage levels to protect sensitive electronic components.

Detailed and Complete Alternative Models

1. LTC2926ITS8#TRMPBF: Similar to LTC2927ITS8#TRMPBF, but with a different fault detection timeout range.
2. LTC2928ITS8#TRMPBF: Offers additional features such as adjustable power-on reset delay and watchdog timer functionality.
3. LTC2929ITS8#TRMPBF: Provides enhanced fault detection capabilities and supports higher input voltage ranges.

These alternative models offer similar functionalities to the LTC2927ITS8#TRMPBF but may have specific differences in terms of performance, features, or voltage ranges.