Linear Technology/Analog Devices
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
LTC4219IDHC-12#PBF
Ver Detalle Hojas de datos

LTC4219IDHC-12#PBF

Product Overview

Category

LTC4219IDHC-12#PBF belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power management applications, providing protection and control functions for various electronic devices.

Characteristics

  • Integrated power management solution
  • Protection features such as overvoltage, undervoltage, and overcurrent detection
  • Control functions for power sequencing and fault reporting
  • High efficiency and low power consumption
  • Compact package design for space-constrained applications

Package

LTC4219IDHC-12#PBF is available in a small form factor 16-pin ceramic leadless chip carrier (CLCC) package.

Essence

The essence of LTC4219IDHC-12#PBF lies in its ability to efficiently manage power and provide reliable protection for electronic devices, ensuring their safe operation.

Packaging/Quantity

This product is typically supplied in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

  • Input Voltage Range: 2.7V to 36V
  • Output Voltage Range: 0V to 36V
  • Maximum Continuous Current: 5A
  • Operating Temperature Range: -40°C to 85°C
  • Control Interface: I2C-compatible serial interface

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. VOUT: Output voltage pin
  4. FLT: Fault indicator pin
  5. EN: Enable pin
  6. SDA: Serial data input/output pin (I2C)
  7. SCL: Serial clock input pin (I2C)
  8. REF: Reference voltage output pin
  9. OV: Overvoltage threshold pin
  10. UV: Undervoltage threshold pin
  11. OC: Overcurrent threshold pin
  12. PG: Power good indicator pin
  13. SS: Soft-start capacitor pin
  14. FB: Feedback voltage input pin
  15. NC: No connection
  16. NC: No connection

Functional Features

  • Overvoltage protection (OVP): Detects and protects against excessive input voltage levels.
  • Undervoltage protection (UVP): Monitors input voltage to prevent operation below a specified threshold.
  • Overcurrent protection (OCP): Safeguards against excessive output current, preventing damage to the load.
  • Power sequencing: Allows controlled power-up and power-down sequences for multiple devices.
  • Fault reporting: Provides indication of any detected faults or abnormal conditions.
  • Power good indicator: Signals when the output voltage is within the desired range.

Advantages and Disadvantages

Advantages

  • Integrated solution reduces component count and simplifies design.
  • Comprehensive protection features enhance system reliability.
  • Efficient power management minimizes energy consumption.
  • Compact package enables use in space-constrained applications.
  • I2C interface allows for easy control and monitoring.

Disadvantages

  • Limited maximum continuous current may not be suitable for high-power applications.
  • Requires external components for complete power management solution.
  • Relatively higher cost compared to individual discrete components.

Working Principles

LTC4219IDHC-12#PBF operates by continuously monitoring the input and output voltages, as well as the output current. It compares these values with pre-set thresholds to detect any abnormal conditions such as overvoltage, undervoltage, or overcurrent. Upon detecting a fault, it takes appropriate actions like shutting down the output or triggering an alarm. The I2C interface allows for configuration and monitoring of various parameters.

Detailed Application Field Plans

LTC4219IDHC-12#PBF finds applications in a wide range of electronic devices, including but not limited to: - Power supplies - Industrial control systems - Telecommunications equipment - Automotive electronics - Medical devices

Detailed and Complete Alternative Models

  1. LTC4219IDHC-5#PBF: Similar to LTC4219IDHC-12#PBF, but with a maximum continuous current of 2A.
  2. LTC4219IDHC-15#PBF: Similar to LTC4219IDHC-12#PBF, but with a maximum continuous current of 10A.
  3. LTC4219IDHC-24#PBF: Similar to LTC4219IDHC-12#PBF, but with a maximum continuous current of 20A.

These alternative models provide options with varying current handling capabilities to suit different application requirements.

Word count: 579 words

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LTC4219IDHC-12#PBF en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LTC4219IDHC-12#PBF in technical solutions:

  1. Q: What is LTC4219IDHC-12#PBF? A: LTC4219IDHC-12#PBF is a specific model of power management integrated circuit (PMIC) designed for use in various technical solutions.

  2. Q: What are the key features of LTC4219IDHC-12#PBF? A: Some key features of LTC4219IDHC-12#PBF include overcurrent protection, undervoltage lockout, adjustable current limit, and thermal shutdown.

  3. Q: What applications can LTC4219IDHC-12#PBF be used for? A: LTC4219IDHC-12#PBF can be used in a wide range of applications such as battery charging, power distribution, and load management in electronic systems.

  4. Q: How does LTC4219IDHC-12#PBF provide overcurrent protection? A: LTC4219IDHC-12#PBF monitors the current flowing through a load and automatically limits it to a safe level if an overcurrent condition is detected.

  5. Q: Can LTC4219IDHC-12#PBF handle high voltage inputs? A: No, LTC4219IDHC-12#PBF is designed for low voltage applications and has a maximum input voltage rating specified in its datasheet.

  6. Q: Is LTC4219IDHC-12#PBF suitable for automotive applications? A: Yes, LTC4219IDHC-12#PBF is automotive-grade and can be used in automotive systems that require power management and protection.

  7. Q: How can I adjust the current limit of LTC4219IDHC-12#PBF? A: The current limit of LTC4219IDHC-12#PBF can be adjusted by connecting an external resistor to the appropriate pin as specified in the datasheet.

  8. Q: Does LTC4219IDHC-12#PBF have built-in thermal protection? A: Yes, LTC4219IDHC-12#PBF has a thermal shutdown feature that activates if the chip's temperature exceeds a certain threshold, protecting it from overheating.

  9. Q: Can I use LTC4219IDHC-12#PBF in battery-powered applications? A: Yes, LTC4219IDHC-12#PBF can be used in battery-powered applications to manage and protect the power supply to the load.

  10. Q: Where can I find more information about LTC4219IDHC-12#PBF? A: You can find detailed information about LTC4219IDHC-12#PBF in its datasheet, which is available on the manufacturer's website or through authorized distributors.