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LTC4376CDHD#TRPBF

LTC4376CDHD#TRPBF

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Voltage Ideal Diode Controller
  • Package: DFN-12
  • Essence: Controls the forward voltage drop across an external MOSFET to emulate an ideal diode behavior
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.9V to 60V
  • Operating Temperature Range: -40°C to 125°C
  • Quiescent Current: 20µA
  • Maximum Output Current: 10A
  • Reverse Current Protection Threshold: 1mA
  • Fault Flag Delay: 5ms
  • Overvoltage Protection Threshold: Adjustable from 3.3V to 60V
  • Reverse Voltage Protection Threshold: Adjustable from -0.3V to -60V

Detailed Pin Configuration

  1. VIN: Input Voltage
  2. GATE: Gate Drive Output
  3. FLT: Fault Flag Output
  4. VOUT: Output Voltage
  5. SS: Soft-Start Capacitor Connection
  6. OVSET: Overvoltage Threshold Setting
  7. UVSET: Undervoltage Threshold Setting
  8. RSENSE: Sense Resistor Connection
  9. GND: Ground
  10. VCC: Supply Voltage
  11. FB: Feedback Voltage Input
  12. EN: Enable Pin

Functional Features

  • Emulates an ideal diode behavior by controlling the forward voltage drop across an external MOSFET
  • Provides reverse current protection and overvoltage protection
  • Adjustable overvoltage and undervoltage threshold settings
  • Fault flag output indicates fault conditions
  • Soft-start feature for controlled startup

Advantages and Disadvantages

Advantages

  • Enables power path control in various applications
  • Reduces power loss and improves efficiency
  • Provides reverse current protection
  • Adjustable threshold settings for flexibility
  • Fault flag output for easy fault detection

Disadvantages

  • Requires an external MOSFET for operation
  • Limited to a maximum output current of 10A

Working Principles

The LTC4376CDHD#TRPBF is designed to control the forward voltage drop across an external MOSFET, allowing it to emulate an ideal diode behavior. By monitoring the input voltage and comparing it to the threshold settings, the LTC4376CDHD#TRPBF ensures that the MOSFET conducts only when the input voltage is within the desired range. This effectively prevents reverse current flow and provides overvoltage protection.

Detailed Application Field Plans

The LTC4376CDHD#TRPBF can be used in various applications where power path control is required. Some potential application fields include:

  1. Battery-powered systems: The LTC4376CDHD#TRPBF can be used to prevent reverse current flow from the battery during charging or discharging cycles, ensuring efficient power transfer.

  2. Solar power systems: By utilizing the LTC4376CDHD#TRPBF, solar panels can be protected from reverse current flow during periods of low sunlight or at night, preventing damage to the panels.

  3. Automotive electronics: The LTC4376CDHD#TRPBF can be employed in automotive applications to protect sensitive electronic components from reverse current flow and overvoltage conditions.

  4. Industrial equipment: Power management in industrial equipment often requires reliable reverse current protection and overvoltage protection. The LTC4376CDHD#TRPBF can fulfill these requirements effectively.

Detailed and Complete Alternative Models

  1. LTC4359: Ideal Diode Controller with Reverse Input Protection
  2. LT4356: Surge Stopper with Ideal Diode
  3. LTC4357: Ideal Diode Controller with Reverse Input Protection and Adjustable Overvoltage Protection

These alternative models offer similar functionalities to the LTC4376CDHD#TRPBF and can be considered as alternatives based on specific application requirements.

In conclusion, the LTC4376CDHD#TRPBF is a high voltage ideal diode controller that provides reverse current protection and overvoltage protection. With its adjustable threshold settings and fault flag output, it offers flexibility and ease of use in various power management applications.

Liste 10 perguntas e respostas comuns relacionadas à aplicação de LTC4376CDHD#TRPBF em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of LTC4376CDHD#TRPBF in technical solutions:

  1. Q: What is LTC4376CDHD#TRPBF? A: LTC4376CDHD#TRPBF is a specific model number for a power management IC (integrated circuit) manufactured by Linear Technology (now part of Analog Devices). It is designed for hot swap applications, providing protection and control features.

  2. Q: What are the key features of LTC4376CDHD#TRPBF? A: Some key features of LTC4376CDHD#TRPBF include overvoltage protection, undervoltage lockout, adjustable current limit, reverse current blocking, and thermal shutdown.

  3. Q: How does LTC4376CDHD#TRPBF provide overvoltage protection? A: LTC4376CDHD#TRPBF monitors the voltage across an external sense resistor and limits the output voltage if it exceeds a set threshold. This protects downstream components from excessive voltage.

  4. Q: Can LTC4376CDHD#TRPBF be used for hot swapping electronic modules? A: Yes, LTC4376CDHD#TRPBF is specifically designed for hot swap applications, allowing safe insertion and removal of electronic modules while the system is powered.

  5. Q: How does LTC4376CDHD#TRPBF protect against reverse current flow? A: LTC4376CDHD#TRPBF utilizes a MOSFET-based circuitry that blocks reverse current flow, preventing damage to the power source or other components.

  6. Q: Is LTC4376CDHD#TRPBF suitable for high-power applications? A: Yes, LTC4376CDHD#TRPBF can handle high currents and is suitable for high-power applications, such as servers, telecom equipment, and industrial systems.

  7. Q: Can LTC4376CDHD#TRPBF be used with different input and output voltage levels? A: Yes, LTC4376CDHD#TRPBF is versatile and can be configured to work with a wide range of input and output voltage levels by adjusting the external components.

  8. Q: Does LTC4376CDHD#TRPBF have built-in thermal protection? A: Yes, LTC4376CDHD#TRPBF has a thermal shutdown feature that protects the IC from overheating. It automatically shuts down if the temperature exceeds a certain threshold.

  9. Q: What is the maximum current limit that can be set with LTC4376CDHD#TRPBF? A: The maximum current limit of LTC4376CDHD#TRPBF can be set using an external sense resistor and can go up to several tens of amps, depending on the application requirements.

  10. Q: Are there any application notes or reference designs available for LTC4376CDHD#TRPBF? A: Yes, Analog Devices provides application notes and reference designs for LTC4376CDHD#TRPBF, which can help in understanding its usage and implementing it in various technical solutions.

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