LTC4357MPMS8

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LTC4357MPMS8

Power Management Specialized - PMIC LTC4357 - Positive High Voltage Ideal Diode Controller

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Specifications

Overview

Description

The LTC4357MPMS8 is a high-performance ideal diode controller designed for power management applications, particularly in battery-powered systems and power distribution. It operates by controlling external MOSFETs to create an ideal diode, minimizing voltage drop and power loss during conduction. This component offers several key features, including low quiescent current, fast response time, and the ability to operate across a wide input voltage range, typically from 4.5V to 80V.
The device also includes built-in protection mechanisms such as reverse voltage protection and overvoltage protection, making it suitable for applications that require reliable power supply management. Its adjustable reference voltage and current limit features allow for flexibility in design. The LTC4357MPMS8 is often used in applications like power ORing, hot swap circuits, and redundant power systems. Overall, it enhances efficiency and reliability in electronic designs by ensuring seamless power switching.

Features

The LTC4357MPMS8 is a high-performance ideal diode controller designed for power management applications. Key features include:
1. Wide Input Voltage Range: Operates from 2.5V to 60V, suitable for various power systems.
2. High Efficiency: Reduces power loss by providing an ideal diode functionality, minimizing voltage drop across the switch.
3. Fast Response Time: Quick switching capabilities enhance performance in dynamic load conditions.
4. Reverse Current Protection: Prevents reverse current flow, protecting the power source and load.
5. Programmable Current Limit: Allows customization for specific application requirements.
6. Thermal Protection: Integrated thermal shutdown prevents overheating under fault conditions.
7. Compact Package: Available in a compact SO-8 package, facilitating space-constrained designs.
8. External MOSFET Control: Works with external N-channel MOSFETs, offering flexibility in design.
These features make it ideal for applications such as hot-swap circuits, power redundancy, and battery backup systems.

Package

The LTC4357MPMS8 is packaged in an 8-lead MSOP (Mini Small Outline Package) with a typical size of 3 mm x 3 mm.

Pinout

The LTC4357MPMS8 is an integrated circuit from Analog Devices designed for hot swap applications. It features an 8-pin MSOP package.
Pin Count and Functions:
1. GND (Pin 1): Ground connection.
2. VCC (Pin 2): Supply voltage input.
3. SENSE (Pin 3): Voltage sense input, used to monitor the load voltage.
4. ILIM (Pin 4): Current limit setting input.
5. FAULT (Pin 5): Open-drain output indicating fault conditions.
6. COMP (Pin 6): Compensation pin for external capacitor to stabilize feedback.
7. VFB (Pin 7): Feedback voltage input for controlling the output.
8. ON (Pin 8): Logic input to enable or disable the device.
The LTC4357MPMS8 is primarily used to protect against overcurrent and reverse voltage conditions in power supply applications, ensuring safe and reliable operation.

Manufacturer

The LTC4357MPMS8 is manufactured by Analog Devices, Inc., a company that specializes in designing and manufacturing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Analog Devices, often referred to as ADI, serves a wide range of industries including automotive, communications, consumer electronics, healthcare, and industrial automation. The company is known for its innovative solutions in signal processing, power management, and data conversion technologies, catering to the needs of engineers and designers in various high-tech sectors.

Application

The LTC4357MPMS8 is a high-voltage ideal diode controller primarily used in power management applications. Key areas include battery backup systems, power path management in telecom and data center applications, redundant power supplies, and automotive power distribution. It enhances efficiency in power conversion and protects against reverse current, making it suitable for applications that require reliable power flow and minimal losses.

Equivalent

Equivalent products to the LTC4357MPMS8 include the Texas Instruments TPS2490, Maxim Integrated MAX5950, and the Analog Devices ADP2302. These alternatives provide similar overvoltage and undervoltage protection features for power management applications. Always verify specifications and compatibility before substitution.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

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2. Credit/ Debit Card

3. Wire Transfer