LTC4355IDE#TRPBF

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LTC4355IDE#TRPBF

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IC OR CTRLR SRC SELECT 14DFN

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規格

屬性 價值
PartStatus Active
Type N+1 ORing Controller
FETType N-Channel
Ratio-Input:Output 2:1
InternalSwitch(s) No
DelayTime-OFF 300 ns
Current-Supply 2 mA
Voltage-Supply 48V, -48V
Applications -48V Dist Power Systems, AdvancedTCA® Systems
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 14-WFDFN Exposed Pad
SupplierDevicePackage 14-DFN (4x3)
BaseProductNumber LTC4355

概述

Description

The LTC4355IDE#TRPBF is an integrated circuit designed by Analog Devices (formerly Linear Technology) for ideal diode applications. It is primarily used in power management systems to ensure efficient power routing and protection from reverse currents. The device features a high-speed comparator and a built-in MOSFET driver, allowing it to effectively control the conduction of external MOSFETs.
Key features include low voltage drop, fast response times, and the ability to operate in a wide range of power supply conditions. The LTC4355 helps in applications such as hot-swappable power supplies, redundant power systems, and load sharing among multiple power sources. Its built-in voltage and current sensing capabilities enhance system reliability by preventing damage due to reverse currents.
The "IDE" suffix indicates its package type (8-lead MSOP), while "TRPBF" signifies it is a RoHS-compliant part. This IC is ideal for designers looking to improve efficiency and reliability in power management applications.

Equivalent

The LTC4355IDE#TRPBF is a Hot Swap controller designed for over-voltage protection and current limiting. Equivalent products include the TPS2490 from Texas Instruments, MAX5974 from Maxim Integrated, and the LTC4245 from Analog Devices. When selecting an equivalent, ensure compatibility with voltage ratings, current limits, and specific application requirements. Always refer to the datasheets for precise specifications and features.

Features

The LTC4355IDE#TRPBF is a high-performance ideal diode controller designed to improve power supply efficiency in various applications. Key features include:
1. High Voltage Operation: Supports input voltages up to 60V.
2. Fast Response Time: Provides rapid switching to minimize voltage drop and power loss.
3. Low Quiescent Current: Operates with minimal power consumption, enhancing efficiency.
4. Adjustable Reference Voltage: Allows customization of the threshold for enabling/disabling the ideal diode.
5. Thermal Shutdown: Protects against overheating, ensuring reliable operation under varying loads.
6. Reverse Leakage Current Control: Reduces the reverse current flow, enhancing overall system efficiency.
7. Small Package Size: Available in a compact 8-lead MSOP package, suitable for space-constrained designs.
8. Integrated Gate Driver: Eliminates the need for external components, simplifying design.
These features make the LTC4355IDE#TRPBF ideal for applications such as power distribution, battery management systems, and redundancy in power supplies.

Pinout

The LTC4355IDE#TRPBF is a voltage supervisor and ideal diode controller from Analog Devices. It comes in a 16-pin package (TSSOP-16).
Pin Count: 16 pins
Functions:
1. VOUT (Pin 1): Output voltage.
2. VIN (Pin 2): Input voltage.
3. VREF (Pin 3): Reference voltage output.
4. GND (Pin 4): Ground connection.
5. ISENSE (Pin 5): Current sensing input for monitoring.
6. VSD (Pin 6): Voltage sense input for diode control.
7. PGND (Pin 7): Power ground.
8. DIODE (Pin 8): Diode gate control.
9. COMP (Pin 9): Compensation for stability.
10. FAULT (Pin 10): Fault indication output.
11. DROPOUT (Pin 11): Dropout voltage sensing.
12. CT (Pin 12): Capacitor timing input.
13. EN (Pin 13): Enable control input.
14. MODE (Pin 14): Mode selection.
15. RAMP (Pin 15): Ramp control input.
16. VCC (Pin 16): Power supply input.
The LTC4355 provides ideal diode functionality and overvoltage protection, making it suitable for power management applications.

Manufacturer

The LTC4355IDE#TRPBF is manufactured by Analog Devices, Inc. (ADI), a leading global company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, Analog Devices designs and produces a wide range of semiconductor products and technologies, serving various industries including communications, automotive, industrial automation, healthcare, and consumer electronics. The LTC4355 is a power path controller that helps in managing power distribution and protecting against faults, showcasing ADI's focus on innovative solutions for complex electronic challenges. The company is recognized for its commitment to quality, reliability, and performance in its products.

Application

The LTC4355IDE#TRPBF is a high-performance ideal diode controller primarily used in power management applications. Key application areas include:
1. Power Path Management: Optimizes power distribution in systems with multiple power sources.
2. Battery Backup Systems: Ensures seamless transition between primary and backup power.
3. Hot Swap Power Supplies: Allows for the safe insertion and removal of live power supplies without system interruption.
4. Data Center Power Distribution: Enhances efficiency in redundant power setups.
5. Telecommunications Equipment: Provides reliable power management in critical communication devices.
Overall, it helps improve efficiency, reduce heat generation, and enhance system reliability.

Package

The LTC4355IDE#TRPBF is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package) with a typical width of 4.4 mm and a length of 5 mm.

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