LTC2956CMS-2#TRPBF

Product Overview

Category

The LTC2956CMS-2#TRPBF belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power supply monitoring and battery control applications in various electronic devices.

Characteristics

• Power management IC with advanced features
• Monitors input voltage, output voltage, and battery voltage
• Controls power-up and power-down sequences
• Provides power-on reset functionality
• Offers programmable watchdog timer
• Supports manual reset input
• Low quiescent current consumption
• Wide operating temperature range

Package

The LTC2956CMS-2#TRPBF is available in a small 10-lead MSOP package, which ensures compactness and ease of integration into electronic systems.

Essence

The essence of the LTC2956CMS-2#TRPBF lies in its ability to efficiently monitor and control power supply voltages, ensuring reliable operation and protection against voltage fluctuations.

Packaging/Quantity

This product is typically supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 26V
• Output Voltage Range: 1.5V to 24V
• Battery Voltage Range: 2.7V to 26V
• Quiescent Current: 12µA (typical)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC2956CMS-2#TRPBF features the following pin configuration:

1. VIN - Input Voltage
2. VOUT - Output Voltage
3. BAT - Battery Voltage
4. GND - Ground
5. MR - Manual Reset Input
6. WDI - Watchdog Timer Input
7. PFI - Power Fail Indicator Output
8. PFO - Power Fail Output
9. EN - Enable Input
10. VCC - Supply Voltage

Functional Features

1. Power Monitoring: The LTC2956CMS-2#TRPBF continuously monitors the input voltage, output voltage, and battery voltage to ensure stable power supply conditions.
2. Power Sequencing: It controls the power-up and power-down sequences, enabling proper initialization and shutdown of the system.
3. Power-On Reset: The product provides a power-on reset functionality, ensuring that the device starts in a known state after power is applied.
4. Watchdog Timer: It incorporates a programmable watchdog timer, which can be used to detect and recover from system malfunctions or lock-ups.
5. Manual Reset: The manual reset input allows for external control over the reset function, providing flexibility in system design.
6. Low Quiescent Current: With a low quiescent current consumption of only 12µA, the LTC2956CMS-2#TRPBF minimizes power wastage.
7. Wide Operating Temperature Range: The product operates reliably within a wide temperature range of -40°C to 85°C.

Advantages and Disadvantages

Advantages

• Comprehensive power monitoring and control features
• Programmable watchdog timer enhances system reliability
• Small package size facilitates integration into compact designs
• Low quiescent current reduces power consumption
• Wide operating temperature range ensures versatility

Disadvantages

• Limited availability of alternative models with similar specifications
• May require additional external components for specific applications

Working Principles

The LTC2956CMS-2#TRPBF operates by continuously monitoring the input voltage, output voltage, and battery voltage. It compares these values against predefined thresholds to determine the power supply status. Based on this information, it controls the power-up and power-down sequences, ensuring proper system initialization and shutdown.

The product incorporates a programmable watchdog timer that periodically checks for system malfunctions or lock-ups. If a fault is detected, the LTC2956CMS-2#TRPBF can initiate a reset to recover the system's normal operation.

Additionally, the manual reset input allows for external control over the reset function, providing flexibility in system design.

Detailed Application Field Plans

The LTC2956CMS-2#TRPBF finds applications in various electronic devices requiring reliable power supply monitoring and control. Some potential application fields include:

1. Embedded Systems: The product can be used in embedded systems to monitor and control power supply voltages, ensuring stable operation and protection against voltage fluctuations.
2. Battery-Powered Devices: It is suitable for battery-powered devices where efficient battery management and power sequencing are crucial for optimal performance and extended battery life.
3. Industrial Automation: The LTC2956CMS-2#TRPBF can be employed in industrial automation systems to monitor and control power supply conditions, enhancing overall system reliability.
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