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Name: LTC4414EMS8#PBF
Brand: Analog Devices Inc.
SKU: LTC4414EMS8#PBF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Analog Devices Inc. LTC4414EMS8#PBF

Part No.:: LTC4414EMS8#PBF

Manufacturer:: Analog Devices Inc.

Package:: 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Datasheet:: LTC4414EMS8#PBF.pdf

Description:: IC OR CTRLR SRC SELECT 8MSOP

In Stock:: 3642

Quantity:: Add To Cart

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LTC4414EMS8#PBF Typical application Circuitry

LTC4414EMS8 PBF

The LTC4414EMS8#PBF is a Low Voltage Ideal Diode Controller that provides a low loss power path between two power sources. It is particularly useful in applications requiring automatic switchover between power sources with minimal voltage drop and power loss.

Application Scenarios:

A common application for the LTC4414EMS8#PBF is in dual-battery systems, such as those found in portable electronic devices, automotive backup power systems, and uninterruptible power supplies (UPS), where it ensures continuous operation by seamlessly switching between the primary and backup power sources.

Parameter Features:

The LTC4414EMS8#PBF features include low forward voltage drop, high current capability, and automatic switching between sources based on priority and availability. It also includes built-in overcurrent protection and thermal shutdown for added reliability.

Application Scenario: Dual-Battery System in Portable Electronics

Selecting Power Sources: In a dual-battery system, the LTC4414EMS8#PBF is used to manage power between a primary and a secondary battery.

- Primary and Secondary Inputs: Connect the primary battery to the LTC4414EMS8#PBF's V1 pin and the secondary battery to the V2 pin. This configuration allows the LTC4414EMS8#PBF to monitor and select the higher voltage source, ensuring efficient power management.

- Output Connection: The common output from the LTC4414EMS8#PBF (OUT pin) should be connected to the device's power input, delivering power from the selected battery source.

Grounding and Decoupling: Proper grounding and decoupling are essential for stable operation.

- Ground Pin Connection: Connect the GND pin of the LTC4414EMS8#PBF directly to the system's ground plane to ensure a low impedance return path.

- Decoupling Capacitors: Place decoupling capacitors close to the V1, V2, and OUT pins to stabilize the power supply lines and filter out noise.

Design Considerations

Load Current Requirements: The LTC4414EMS8#PBF is designed to handle significant current, but it's crucial to ensure that the load current does not exceed the device's maximum specifications.

- Current Limiting: Add external resistors or current-limiting devices if the expected load current may approach the LTC4414EMS8#PBF's maximum current rating to prevent damage to the device.

Thermal Management: The LTC4414EMS8#PBF can dissipate heat during operation, especially at higher load currents.

- Heat Sinking: Consider adding a heat sink or using a PCB with a larger copper area connected to the LTC4414EMS8#PBF's ground pin to help dissipate heat.

- Ambient Temperature: Ensure the operating environment does not exceed the temperature range specified for the LTC4414EMS8#PBF to avoid thermal shutdown.

Power Source Compatibility: Ensure that both power sources connected to the LTC4414EMS8#PBF are compatible in terms of voltage levels and can safely supply the required load current.

- Voltage Levels: The voltages of both power sources should be within the operating range of the LTC4414EMS8#PBF and suitable for the load.

- Battery Management: If using rechargeable batteries, incorporate charging circuits that are compatible with the LTC4414EMS8#PBF to ensure safe charging and discharging cycles.

Reverse Current Protection: The LTC4414EMS8#PBF inherently prevents reverse current flow from OUT to V1 or V2. However, additional protection may be required in certain applications.

- Diode Protection: Consider adding external Schottky diodes to the circuit for additional protection against reverse current, especially in critical applications where back-feeding power sources must be strictly avoided.

Integrating the LTC4414EMS8#PBF into a dual-battery system requires careful consideration of load currents, thermal management, power source compatibility, and reverse current protection to ensure reliable and efficient operation.

LTC4414EMS8#PBF information

LTC4414EMS8#PBF Specifications

Packaging:
Tube
Series:
PowerPath™
ProductStatus:
Active
Type:
Source Selector Switch
FETType:
P-Channel
Ratio-Input:Output:
2:1
InternalSwitch(s):
No
DelayTime-ON:
600 µs
DelayTime-OFF:
20 µs
Current-Output(Max):
-
Current-Supply:
33 µA
Voltage-Supply:
3V ~ 36V
Applications:
Battery Backup, Industrial/Automotive, High Current Switch
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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6. What is the process for return or replacement of LTC4414EMS8#PBF?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LTC4414EMS8#PBF.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations