LTC2955CTS8-2#TRPBF

Product Overview

Category

The LTC2955CTS8-2#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for power management applications.

Characteristics

• Low quiescent current
• Wide input voltage range
• Adjustable power-on reset timer
• Programmable watchdog timer
• Manual reset input
• Power-fail comparator
• Precision undervoltage lockout
• Small package size

Package

The LTC2955CTS8-2#TRPBF is available in a small 8-pin TSOT-23 package.

Essence

The essence of this product lies in its ability to provide efficient power management solutions with low power consumption and various programmable features.

Packaging/Quantity

The LTC2955CTS8-2#TRPBF is typically packaged in reels and comes in quantities of 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 26.5V
• Quiescent Current: 6μA (typical)
• Power-On Reset Timer Range: 1ms to 10s
• Watchdog Timer Range: 1ms to 512s
• Manual Reset Input Threshold: 0.4V
• Power-Fail Comparator Threshold: 0.4V
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC2955CTS8-2#TRPBF has the following pin configuration:

1. GND (Ground)
2. VIN (Input Voltage)
3. MR (Manual Reset)
4. PFI (Power-Fail Indicator)
5. WDI (Watchdog Input)
6. VCC (Supply Voltage)
7. RST (Reset Output)
8. N/A (No Connection)

Functional Features

1. Power-On Reset: The LTC2955CTS8-2#TRPBF provides a power-on reset signal to ensure proper initialization of the system upon power-up.
2. Watchdog Timer: It includes a programmable watchdog timer that monitors the system's operation and resets it if necessary.
3. Manual Reset Input: This feature allows for manual resetting of the system by asserting a low-level signal on the MR pin.
4. Power-Fail Comparator: The power-fail comparator detects when the input voltage falls below a certain threshold, triggering an appropriate response.
5. Undervoltage Lockout: The precision undervoltage lockout ensures that the system operates within safe voltage limits.

Advantages and Disadvantages

Advantages

• Low quiescent current enables energy-efficient operation.
• Wide input voltage range accommodates various power sources.
• Programmable timers offer flexibility in system control.
• Small package size allows for space-saving designs.

Disadvantages

• Limited pin configuration options may restrict certain applications.
• Lack of built-in protection features may require additional circuitry.

Working Principles

The LTC2955CTS8-2#TRPBF operates by monitoring the input voltage and providing various timing functions to control the system's power management. It utilizes internal comparators, timers, and logic circuits to generate appropriate signals for power-on reset, watchdog timer, and power-fail detection. The device can be programmed to meet specific requirements through external resistors and capacitors.

Detailed Application Field Plans

The LTC2955CTS8-2#TRPBF finds application in various fields, including but not limited to: - Battery-powered devices - Embedded systems - Industrial automation - Internet of Things (IoT) devices - Portable electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LTC2955CTS8-2#TRPBF include: - LTC2954: Offers additional features such as a push-button input and adjustable reset timeout. - TPS3840: Provides similar power management functions with an integrated power-on reset timer and watchdog timer. - MAX16050: Features a manual reset input, power-fail comparator, and adjustable reset timeout.

Note: The above alternative models are provided for reference purposes and may have different specifications and pin configurations. It is recommended to refer to the respective datasheets for detailed information.

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