What is the Additional Feature ?

Name: TPS2421-2DDAR
Brand: Texas Instruments
SKU: TPS2421-2DDAR
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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Texas Instruments TPS2421-2DDAR

Part No.:: TPS2421-2DDAR

Manufacturer:: Texas Instruments

Package:: 8-PowerSOIC (0.154, 3.90mm Width)

Datasheet:: TPS2421-2DDAR.pdf

Description:: IC HOT SWAP CTRLR GP 8SOPWR

In Stock:: 2204

Quantity:: Add To Cart

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TPS2421-2DDAR Typical application Circuitry

TPS2421-2DDAR

The TPS2421-2DDAR is a robust and flexible power switch by Texas Instruments, typically utilized in hot swap and power distribution applications.

Main Features of the TPS2421-2DDAR: This device features a programmable current limit, ranging from 0.05A to 5A, and operates from a wide 2.7V to 18V input voltage range. Furthermore, the TPS2421-2DDAR provides a variety of protection features, such as fault timer, overvoltage protection, under voltage lockout, and thermal shutdown.

Application Scenarios: The TPS2421-2DDAR finds use in numerous applications such as servers, solid-state drives, network switches, and general-purpose power distribution systems that require precise control and protection.

Circuit Connection Example - General Power Distribution System: For a general power distribution system, the TPS2421-2DDAR can be wired as follows:

1. Input Voltage: Pin 1 (VDD) is the input voltage pin. Connect this pin to a power source within the operating range of the TPS2421-2DDAR.

2. Ground Connection: The system ground must be connected to Pin 2 (GND).

3. Output Connection: Pin 3 (OUT) is the output pin. The load must be linked to this pin.

4. Enable Pin: Pin 5 (ON) is to enable the pin. Applying a high voltage level here will turn the power switch ON, and a low voltage level will turn it OFF.

5. Fault Indication: Pin 6 (FAULT) provides a fault indication. When a fault condition is identified, this pin becomes low.

6. Current Limit Set: The current limit is set using an external resistor on pin 7 (ILIM).

7. Timer Capacitor: Pin 8 (TIMER) is used to set the auto-retry timing interval using an external capacitor.

Design Considerations: While designing a circuit with the TPS2421-2DDAR, it's important to consider the following aspects:

1. Current Limit: The current limit should be set properly by selecting the correct resistor for the ILIM pin to avoid any overload or short-circuit conditions.

2. Fault Handling: Make good use of the fault indication to protect the system from any potential hazards.

3. Thermal Management: Ensure sufficient thermal management as the device might get hot under high current loads.

4. Proper Bypassing: It's good practice to have a capacitor close to the VDD pin for better stability and to minimize noise.

To sum it up, the TPS2421-2DDAR is a highly reliable power switch suitable for many applications, particularly those demanding accurate control and protection. Careful consideration of the current limit, fault handling, thermal management, and proper bypassing will lead to an effective design with the TPS2421-2DDAR.

TPS2421-2DDAR information

TPS2421-2DDAR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
Hot Swap Controller
NumberofChannels:
1
InternalSwitch(s):
Yes
Applications:
General Purpose
Features:
Auto Retry, Thermal Limit, UVLO
ProgrammableFeatures:
Current Limit, Fault Timeout
Voltage-Supply:
3V ~ 20V
Current-Output(Max):
6A
OperatingTemperature:
-40°C ~ 125°C
Current-Supply:
-
MountingType:
Surface Mount

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6. What is the process for return or replacement of TPS2421-2DDAR?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the TPS2421-2DDAR we delivered, we will accept the replacement or return of the TPS2421-2DDAR only when all of the below conditions are fulfilled:

(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 TPS2421-2DDAR.

(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