LTC4353IMS#TRPBF

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LTC4353IMS#TRPBF

+BOM

IC OR CTRLR N-CH 2CH 16MSOP

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Specifications

Attribute Value
PartStatus Active
Type Current Sharing Controller
FETType N-Channel
Ratio-Input:Output 2:2
InternalSwitch(s) No
DelayTime-ON 400 ns
DelayTime-OFF 300 ns
Voltage-Supply 2.9V ~ 18V
Applications Redundant Power Supplies, Telecom Infrastructure
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 16-TFSOP (0.118", 3.00mm Width)
SupplierDevicePackage 16-MSOP
BaseProductNumber LTC4353
Current-Supply 1.5 mA

Overview

Description

The LTC4353IMS#TRPBF is a high-performance ideal diode controller manufactured by Analog Devices (formerly Linear Technology). It is specifically designed to manage power supply systems by allowing for seamless switching between power sources, minimizing voltage drop and power loss. The device controls external N-channel MOSFETs to create an ideal diode, ensuring low forward voltage drop and high efficiency in power path applications.
Key features include a wide input voltage range, fast response times, and built-in voltage monitoring. It supports reverse current protection, which is crucial in battery-powered and sensitive electronic systems. The LTC4353 can be used in various applications, including power routers, power supplies, and battery backup systems.
The device comes in a compact package, making it suitable for space-constrained designs. Additionally, extensive thermal and fault protection features help ensure reliable operation. For design engineers, the LTC4353IMS#TRPBF is a versatile solution for enhancing efficiency and reliability in power management applications.

Equivalent

The LTC4353IMS#TRPBF is a load-sharing controller. Equivalent products include the TPS2490 from Texas Instruments, the MAX14509 from Maxim Integrated, and the LTC4370 from Analog Devices. Ensure to check specific parameters like voltage rating, current handling, and features to confirm compatibility for your application.

Features

The LTC4353IMS#TRPBF is a high-performance ideal diode controller designed to manage power paths in various applications. Key features include:
1. Ideal Diode Operation: Enables low forward voltage drop and high efficiency by controlling external MOSFETs.
2. Input Voltage Range: Supports a wide input voltage range from 2.5V to 20V.
3. Reverse Current Blocking: Prevents reverse current flow, protecting the power source.
4. Adjustable Current Limit: Allows for customizable current limiting to prevent overcurrent conditions.
5. Fast Transient Response: Quickly responds to changes in load conditions, maintaining stability.
6. Temperature Compensation: Includes thermal shutdown and protection features to ensure reliable operation.
7. Compact Package: Offered in a 10-lead MSOP package for space-constrained designs.
8. Low Quiescent Current: Minimizes power consumption during operation.
These features make the LTC4353IMS#TRPBF suitable for applications such as battery management, power routing, and redundant power supplies.

Pinout

The LTC4353IMS#TRPBF is a high-voltage ideal diode controller with a total of 16 pins. Its primary function is to control the gate of an external N-channel MOSFET to create an ideal diode, which improves efficiency and reduces power loss in applications such as power distribution, battery management, and load sharing.
Key functions of the LTC4353 include:
1. Ideal Diode Operation: It regulates the gate voltage of the MOSFET to minimize forward voltage drop.
2. Reverse Current Protection: Prevents reverse current flow, protecting the power source.
3. Soft-Start Feature: Controls the turn-on transition to limit inrush current.
4. Over-Voltage Protection: Monitors input voltage and provides protection against over-voltage conditions.
The device operates over a wide voltage range and features adjustable settings to suit various applications. Its robust design makes it suitable for high-performance power management systems.

Manufacturer

The LTC4353IMS#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in the design and production of analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). The company is well-known for its high-performance ICs used in a variety of applications, including communications, automotive, industrial automation, healthcare, and consumer electronics.
Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices focuses on providing solutions that enable precise measurement and control of real-world signals. Their product portfolio includes amplifiers, converters, sensors, and other components that are critical in enabling efficient and reliable data processing in electronic systems.
The LTC4353, in particular, is a power path controller designed to manage power sources in applications such as battery backup systems and power management in various electronic devices.

Application

The LTC4353IMS#TRPBF is a high-side ideal diode controller used primarily in applications such as power redundancy systems, battery management systems, and automotive power systems. It enhances efficiency by replacing traditional Schottky diodes, reducing voltage drops and power loss. This IC is suitable for hot swap applications, where it allows safe insertion and removal of circuits while minimizing transients. Additionally, it is used in uninterruptible power supplies (UPS) and server power supplies to improve performance and reliability. Overall, its primary role is to manage power distribution with increased efficiency and reliability across various electronic systems.

Package

The LTC4353IMS#TRPBF is packaged in a 16-lead MSOP (Thin Shrink Small Outline Package).

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