Linear Technology/QD Devices
A imagem pode ser uma representação.
Veja as especificações para detalhes do produto.
LTC4413EDD-2#PBF
Ver detalhes DataSheets

LTC4413EDD-2#PBF

Product Overview

Category

The LTC4413EDD-2#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 path management in various electronic devices. It allows seamless switching between different power sources, ensuring uninterrupted power supply to the system.

Characteristics

  • Power path controller with low-loss ideal diode
  • Supports input voltages ranging from 2.5V to 5.5V
  • Can handle load currents up to 4A
  • Provides reverse voltage protection
  • Offers undervoltage lockout (UVLO) for safe operation
  • Compact and space-saving package

Package

The LTC4413EDD-2#PBF is available in a DFN (Dual Flat No-Lead) package, which ensures efficient heat dissipation and ease of integration into circuit boards.

Essence

The essence of this product lies in its ability to manage power sources efficiently, preventing power loss and ensuring continuous operation of electronic devices.

Packaging/Quantity

The LTC4413EDD-2#PBF is typically supplied in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Maximum Load Current: 4A
  • Reverse Voltage Protection Threshold: -40mV
  • Quiescent Current: 20μA (typical)
  • Operating Temperature Range: -40°C to 85°C
  • Package Type: DFN-10

Detailed Pin Configuration

The LTC4413EDD-2#PBF features the following pin configuration:

  1. GATE1: Controls the external N-channel MOSFET for power path 1.
  2. GATE2: Controls the external N-channel MOSFET for power path 2.
  3. VIN1: Input voltage for power path 1.
  4. VIN2: Input voltage for power path 2.
  5. VOUT: Output voltage to the load.
  6. FLT: Fault output indicating overvoltage or undervoltage conditions.
  7. EN: Enable pin to control the operation of the LTC4413EDD-2#PBF.
  8. GND: Ground reference for the IC.
  9. UVLO: Undervoltage lockout threshold setting pin.
  10. OVLO: Overvoltage lockout threshold setting pin.

Functional Features

  • Seamless power source switching without interruption.
  • Low-loss ideal diode functionality minimizes power loss.
  • Reverse voltage protection prevents damage to the system.
  • Fault output provides indication of abnormal voltage conditions.
  • Undervoltage lockout ensures safe operation under low voltage conditions.
  • Overvoltage lockout protects the system from excessive voltage levels.

Advantages and Disadvantages

Advantages

  • Efficient power path management for uninterrupted operation.
  • Low power loss due to the use of ideal diode technology.
  • Protection against reverse voltage and abnormal voltage conditions.
  • Compact package for easy integration into circuit designs.

Disadvantages

  • Limited maximum load current capacity (up to 4A).
  • Restricted input voltage range (2.5V to 5.5V).

Working Principles

The LTC4413EDD-2#PBF operates by monitoring the input voltages on VIN1 and VIN2. It uses internal circuitry to determine the optimal power source and controls the corresponding MOSFETs (GATE1 and GATE2) to establish the desired power path. The low-loss ideal diode feature ensures minimal voltage drop across the power path, reducing power loss. The fault output (FLT) provides an indication of overvoltage or undervoltage conditions, allowing for appropriate system response.

Detailed Application Field Plans

The LTC4413EDD-2#PBF finds applications in various electronic devices that require reliable power management. Some potential application fields include:

  1. Portable electronic devices: Ensures uninterrupted power supply during battery charging and discharging.
  2. Industrial automation systems: Provides seamless power source switching for critical control circuits.
  3. Automotive electronics: Enables efficient power distribution between multiple power sources in vehicles.
  4. Renewable energy systems: Facilitates smooth transition between different energy sources, such as solar panels and batteries.
  5. IoT devices: Manages power sources to optimize energy consumption and prolong battery life.

Detailed and Complete Alternative Models

  1. LTC4413IDD-2#PBF: Similar to LTC4413EDD-2#PBF but available in a smaller DFN-8 package.
  2. LTC4413ES6-2#TRMPBF: Slightly different pin configuration with similar functionality, available in a TSOT-23 package. 3

Liste 10 perguntas e respostas comuns relacionadas à aplicação de LTC4413EDD-2#PBF em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of LTC4413EDD-2#PBF in technical solutions:

  1. Q: What is LTC4413EDD-2#PBF? A: LTC4413EDD-2#PBF is a power management IC (integrated circuit) designed for power path control, ideal diode operation, and load sharing in various applications.

  2. Q: What are the key features of LTC4413EDD-2#PBF? A: Some key features include low quiescent current, wide input voltage range, reverse input protection, adjustable undervoltage lockout, and thermal shutdown protection.

  3. Q: How does LTC4413EDD-2#PBF enable power path control? A: LTC4413EDD-2#PBF allows seamless switching between two power sources, such as a battery and a wall adapter, by prioritizing the higher voltage source while blocking reverse current flow.

  4. Q: Can LTC4413EDD-2#PBF handle high currents? A: Yes, LTC4413EDD-2#PBF can handle high continuous currents up to several amps, making it suitable for a wide range of applications.

  5. Q: Is LTC4413EDD-2#PBF suitable for automotive applications? A: Yes, LTC4413EDD-2#PBF is automotive-grade and can be used in automotive systems that require reliable power path control and load sharing.

  6. Q: How do I set the undervoltage lockout threshold on LTC4413EDD-2#PBF? A: The undervoltage lockout threshold can be adjusted using external resistors connected to the appropriate pins of the IC.

  7. Q: Can LTC4413EDD-2#PBF handle reverse voltage protection? A: Yes, LTC4413EDD-2#PBF has built-in reverse voltage protection, preventing damage to the circuit in case of accidental reverse polarity connection.

  8. Q: What is load sharing, and how does LTC4413EDD-2#PBF facilitate it? A: Load sharing refers to the distribution of current between multiple power sources. LTC4413EDD-2#PBF enables load sharing by allowing parallel operation of power sources, ensuring efficient utilization.

  9. Q: Does LTC4413EDD-2#PBF have any thermal protection mechanisms? A: Yes, LTC4413EDD-2#PBF incorporates thermal shutdown protection, which activates if the IC's temperature exceeds a certain threshold, preventing overheating.

  10. Q: Where can I find more information about LTC4413EDD-2#PBF's application and usage? A: You can refer to the LTC4413EDD-2#PBF datasheet, available on the manufacturer's website, for detailed information on its application, electrical characteristics, and recommended usage guidelines.

Please note that the answers provided here are general and may vary depending on specific design requirements and use cases. It is always recommended to consult the datasheet and relevant technical documentation for accurate and up-to-date information.