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LTC2919HMS-2.5#TRPBF
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LTC2919HMS-2.5#TRPBF

Product Overview

Category

The LTC2919HMS-2.5#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage monitoring and power supply sequencing applications.

Characteristics

  • Voltage monitoring: The LTC2919HMS-2.5#TRPBF provides accurate monitoring of input voltages.
  • Power supply sequencing: It ensures proper sequencing of multiple power supplies, preventing potential damage to sensitive components.
  • High precision: The IC offers high accuracy in voltage monitoring and sequencing operations.
  • Low power consumption: It operates with low power consumption, making it suitable for battery-powered devices.
  • Wide operating temperature range: The LTC2919HMS-2.5#TRPBF can operate reliably across a wide temperature range.

Package

The LTC2919HMS-2.5#TRPBF is available in a small surface-mount package, known as MSOP-10.

Essence

The essence of this product lies in its ability to monitor and sequence voltages accurately, ensuring proper functioning of electronic devices.

Packaging/Quantity

The LTC2919HMS-2.5#TRPBF is typically packaged in reels or tubes, containing a specific quantity of ICs per package.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage: 2.5V
  • Operating Temperature Range: -40°C to 85°C
  • Quiescent Current: 20µA (typical)
  • Accuracy: ±1.5% (typical)

Detailed Pin Configuration

The LTC2919HMS-2.5#TRPBF has the following pin configuration:

  1. VIN1: Input voltage 1
  2. VIN2: Input voltage 2
  3. GND: Ground
  4. VOUT: Output voltage
  5. EN: Enable pin
  6. SEQ: Sequencing control pin
  7. FLT: Fault indicator output
  8. GND: Ground
  9. GND: Ground
  10. VCC: Power supply voltage

Functional Features

  • Voltage Monitoring: The LTC2919HMS-2.5#TRPBF monitors the input voltages and provides accurate voltage level information.
  • Power Supply Sequencing: It ensures proper sequencing of multiple power supplies, preventing potential damage to sensitive components.
  • Fault Detection: The IC detects faults in the input voltages and provides a fault indicator output for further analysis.
  • Enable Control: The enable pin allows the user to control the operation of the IC.
  • Low Power Consumption: The IC operates with low power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

  • Accurate voltage monitoring and sequencing
  • Wide operating temperature range
  • Low power consumption
  • Small package size
  • Fault detection capability

Disadvantages

  • Limited input voltage range (2.7V to 5.5V)
  • Requires external enable control

Working Principles

The LTC2919HMS-2.5#TRPBF works by continuously monitoring the input voltages and comparing them to a reference voltage. It determines the sequence in which the power supplies should be enabled based on the voltage levels. The IC also detects any faults in the input voltages and provides a fault indicator output for further analysis.

Detailed Application Field Plans

The LTC2919HMS-2.5#TRPBF finds applications in various electronic devices where voltage monitoring and power supply sequencing are critical. Some of the application fields include:

  1. Embedded Systems: It is used in embedded systems to ensure proper power supply sequencing and voltage monitoring for reliable operation.
  2. Industrial Automation: The IC is employed in industrial automation equipment to monitor and sequence power supplies, preventing damage to sensitive components.
  3. Telecommunications: It finds application in telecommunications devices to ensure proper power supply sequencing and voltage monitoring, enhancing overall system reliability.
  4. Consumer Electronics: The LTC2919HMS-2.5#TRPBF is used in consumer electronic devices such as smartphones, tablets, and laptops to monitor and sequence power supplies efficiently.

Detailed and Complete Alternative Models

  1. LTC2917HMS-2.5#TRPBF: Similar to LTC2919HMS-2.5#TRPBF, but with additional features.
  2. LTC2919IMS-2.5#TRPBF: A variant of LTC2919HMS-2.5#TRPBF with a different package.
  3. LTC2920HMS-2.5#TRPBF: An alternative model with enhanced functionality.

These alternative models offer similar voltage monitoring and power supply sequencing capabilities, catering to different requirements and preferences.

In conclusion

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LTC2919HMS-2.5#TRPBF en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LTC2919HMS-2.5#TRPBF in technical solutions:

  1. Q: What is the LTC2919HMS-2.5#TRPBF? A: The LTC2919HMS-2.5#TRPBF is a voltage supervisor and monitor IC manufactured by Linear Technology (now part of Analog Devices). It is designed to monitor multiple power supply voltages and provide various outputs based on their status.

  2. Q: What are the key features of LTC2919HMS-2.5#TRPBF? A: The key features of LTC2919HMS-2.5#TRPBF include undervoltage and overvoltage monitoring, adjustable thresholds, programmable delay times, power-on reset, watchdog timer, and fault detection.

  3. Q: How many power supply inputs can LTC2919HMS-2.5#TRPBF monitor? A: LTC2919HMS-2.5#TRPBF can monitor up to 10 power supply inputs simultaneously.

  4. Q: Can I adjust the undervoltage and overvoltage thresholds of LTC2919HMS-2.5#TRPBF? A: Yes, the thresholds for undervoltage and overvoltage monitoring can be adjusted using external resistors.

  5. Q: What is the purpose of the programmable delay feature in LTC2919HMS-2.5#TRPBF? A: The programmable delay feature allows you to set a delay time before the output response is triggered, which helps prevent false alarms during power-up or transient events.

  6. Q: Does LTC2919HMS-2.5#TRPBF have a power-on reset function? A: Yes, LTC2919HMS-2.5#TRPBF provides a power-on reset output that can be used to initialize the system when power is applied.

  7. Q: Can I use LTC2919HMS-2.5#TRPBF as a watchdog timer? A: Yes, LTC2919HMS-2.5#TRPBF has a watchdog timer feature that can monitor the activity of a microcontroller or other system components and generate a reset signal if necessary.

  8. Q: How does LTC2919HMS-2.5#TRPBF detect faults in power supplies? A: LTC2919HMS-2.5#TRPBF can detect faults such as undervoltage, overvoltage, and power supply sequencing errors, and provide corresponding outputs for fault indication.

  9. Q: What is the operating temperature range of LTC2919HMS-2.5#TRPBF? A: LTC2919HMS-2.5#TRPBF is designed to operate within a temperature range of -40°C to +85°C.

  10. Q: Are there any application notes or reference designs available for LTC2919HMS-2.5#TRPBF? A: Yes, Analog Devices provides application notes and reference designs on their website that can help you understand and implement LTC2919HMS-2.5#TRPBF in your technical solutions.

Please note that the answers provided here are general and may vary depending on the specific requirements and use cases. It is always recommended to refer to the datasheet and documentation provided by the manufacturer for detailed information.