Linear Technology/QD Devices
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LTC4228IGN-2#TRPBF
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LTC4228IGN-2#TRPBF

Product Overview

Category: Integrated Circuits (ICs)

Use: Power Management IC

Characteristics: - Dual Ideal Diode Controller and PowerPath Manager - Monitors two power sources and seamlessly switches between them - Prevents reverse current flow and protects the power sources - Provides uninterrupted power supply to the load

Package: 16-Lead SSOP (Shrink Small Outline Package)

Essence: The LTC4228IGN-2#TRPBF is an integrated circuit that serves as a dual ideal diode controller and power path manager. It ensures reliable and efficient power management by monitoring two power sources and automatically switching between them, preventing reverse current flow, and protecting the power sources from damage.

Packaging/Quantity: The LTC4228IGN-2#TRPBF is available in a 16-Lead SSOP package. It is typically sold in reels containing a quantity of 250 units.

Specifications

  • Input Voltage Range: 2.9V to 18V
  • Operating Temperature Range: -40°C to 85°C
  • Quiescent Current: 50µA (typical)
  • Overvoltage Lockout Threshold: 4.5V (typical)
  • Reverse Current Protection Threshold: 10mA (typical)
  • Fault Output Leakage Current: 1µA (maximum)
  • Maximum Load Current: 6A

Pin Configuration

The LTC4228IGN-2#TRPBF has a 16-Lead SSOP package with the following pin configuration:

  1. VCC1: Power Source 1 Supply Voltage
  2. GND1: Power Source 1 Ground
  3. FLT1: Fault Output for Power Source 1
  4. SNS1: Current Sense Input for Power Source 1
  5. GATE1: Gate Drive Output for Power Source 1
  6. VCC2: Power Source 2 Supply Voltage
  7. GND2: Power Source 2 Ground
  8. FLT2: Fault Output for Power Source 2
  9. SNS2: Current Sense Input for Power Source 2
  10. GATE2: Gate Drive Output for Power Source 2
  11. FLT: Combined Fault Output
  12. GND: Ground
  13. VIN: Load Supply Voltage
  14. GND3: Ground
  15. FLT3: Fault Output for Load
  16. SNS: Current Sense Input for Load

Functional Features

  • Dual Ideal Diode Controller: The LTC4228IGN-2#TRPBF acts as a controller for two ideal diodes, allowing seamless switching between power sources.
  • PowerPath Manager: It manages the power path by monitoring the input voltages and automatically selecting the appropriate source.
  • Reverse Current Protection: The LTC4228IGN-2#TRPBF prevents reverse current flow, protecting the power sources from damage.
  • Fault Detection: It provides fault outputs for each power source and the load, enabling system-level fault detection and diagnosis.

Advantages and Disadvantages

Advantages: - Efficient power management with seamless source switching - Protects power sources from reverse current flow - Provides fault detection for easy diagnosis

Disadvantages: - Limited to a maximum load current of 6A - Requires careful consideration of input voltage range compatibility

Working Principles

The LTC4228IGN-2#TRPBF works by continuously monitoring the input voltages from the power sources and the load. It compares the voltages and selects the higher one as the active source. The integrated circuit controls the gate drives of the ideal diodes, ensuring that only one source is active at a time. It also provides fault outputs for each power source and the load, allowing for easy detection of any issues.

Detailed Application Field Plans

The LTC4228IGN-2#TRPBF finds applications in various fields where reliable power management is crucial. Some of the detailed application field plans include: 1. Battery-powered devices: Ensures uninterrupted power supply by seamlessly switching between battery and external power sources. 2. Industrial automation: Protects sensitive equipment from reverse current flow and provides fault detection for quick troubleshooting. 3. Telecommunications: Enables efficient power management in telecom infrastructure, preventing power source damage and ensuring continuous operation. 4. Automotive electronics: Safeguards automotive systems from reverse current flow and offers fault detection for improved reliability.

Detailed and Complete Alternative Models

  1. LTC4412ES6#TRMPBF: Single Ideal Diode Controller and PowerPath Manager with 6-Lead TSOT-23 package.
  2. LTC4415EMSE#PBF: Dual Ideal Diode ORing Controller with 10-Lead MSOP package.
  3. LTC4357IMS#PBF: Dual Low Voltage Ideal Diode Controller

10 pirs û bersivên hevpar ên têkildarî sepana LTC4228IGN-2#TRPBF di çareseriyên teknîkî de navnîş bikin

Sure! Here are 10 common questions and answers related to the application of LTC4228IGN-2#TRPBF:

  1. Q: What is LTC4228IGN-2#TRPBF? A: LTC4228IGN-2#TRPBF is a specific part number for a power supply IC manufactured by Linear Technology (now part of Analog Devices). It is designed for hot-swappable applications and provides protection against overcurrent and reverse voltage.

  2. Q: What are the key features of LTC4228IGN-2#TRPBF? A: Some key features of LTC4228IGN-2#TRPBF include dual ideal diode controllers, adjustable current limit, reverse voltage protection, and fault reporting.

  3. Q: How does LTC4228IGN-2#TRPBF provide reverse voltage protection? A: LTC4228IGN-2#TRPBF uses an integrated ideal diode controller to prevent reverse current flow, protecting the circuit from damage.

  4. Q: Can LTC4228IGN-2#TRPBF be used in hot-swappable applications? A: Yes, LTC4228IGN-2#TRPBF is specifically designed for hot-swappable applications where components can be inserted or removed while the system is powered on.

  5. Q: How do I set the current limit using LTC4228IGN-2#TRPBF? A: The current limit can be adjusted by connecting an external resistor between the ILIM pin and ground. The datasheet provides detailed information on how to calculate the required resistor value.

  6. Q: Does LTC4228IGN-2#TRPBF have any built-in fault reporting mechanisms? A: Yes, LTC4228IGN-2#TRPBF has a fault output pin that can be used to indicate various fault conditions such as overcurrent, reverse voltage, or thermal shutdown.

  7. Q: Can LTC4228IGN-2#TRPBF be used in automotive applications? A: Yes, LTC4228IGN-2#TRPBF is suitable for automotive applications as it can handle a wide input voltage range and has built-in protection features.

  8. Q: What is the maximum operating temperature range for LTC4228IGN-2#TRPBF? A: The maximum operating temperature range for LTC4228IGN-2#TRPBF is typically -40°C to 85°C.

  9. Q: Can I use LTC4228IGN-2#TRPBF with other power supply ICs or controllers? A: Yes, LTC4228IGN-2#TRPBF can be used in conjunction with other power supply ICs or controllers to provide additional functionality or enhance system protection.

  10. Q: Where can I find more information about LTC4228IGN-2#TRPBF? A: You can find detailed information about LTC4228IGN-2#TRPBF in its datasheet, which is available on the Analog Devices website or through authorized distributors.