TPS2421-2DDA

Name: TPS2421-2DDA
Brand: Texas Instruments
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

This eFuse, TPS2421-2DDA, is designed with a thermal shutdown feature to protect against overheating

5,770 Effective Inventory

TPS2421-2DDA

Effective Inventory5,770

This eFuse, TPS2421-2DDA, is designed with a thermal shutdown feature to protect against overheating

Manufacturer Part # : TPS2421-2DDA
Package/Case: HSOIC (DDA)-8
Brand: Texas Instruments
Product Categories : Hot Swap Controllers
Series : TPS2421

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

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About Shipping

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Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

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TPS2421-2DDA DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$1.764	$1.76
10	$1.719	$17.19
30	$1.690	$50.70
100	$1.606	$160.60

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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TPS2421-2DDA Details

The TPS2421-2DDA is a dual-channel power distribution switch from Texas Instruments, designed for efficient power management in electronic systems. This device provides protection against overcurrent conditions and short circuits, ensuring the safety and reliability of connected loads. With its dual-channel configuration, the TPS2421-2DDA offers flexibility in power distribution for various applications.

Pinout

1 (IN1): Input for Channel 1
2 (EN1): Enable for Channel 1
3 (OUT1): Output for Channel 1
4 (GND): Ground
5 (OUT2): Output for Channel 2
6 (EN2): Enable for Channel 2
7 (IN2): Input for Channel 2
8 (FLT): Fault Indicator

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Dual-Channel Operation: Provides two independent power distribution channels for enhanced flexibility.
Overcurrent Protection: Safeguards connected loads against excessive current draw.
Short Circuit Protection: Protects against short circuits to prevent damage to devices.
Low Power Consumption: Designed for efficient power management with minimal energy loss.
Fault Indicator: Includes a fault indicator for quick identification of protection events.

Application

Power Distribution: Ideal for distributing power to multiple loads in electronic systems.
Remote Power Switching: Suitable for remote power control applications where individual channel control is required.
Battery-Powered Systems: Used in battery-powered systems for efficient power management and protection.

Where to Use

The TPS2421-2DDA is suitable for applications that require reliable and flexible power distribution. It is commonly used in electronic systems, battery-powered devices, and remote control applications where individual channel control and protection are essential.

How to Use

Connect the TPS2421-2DDA to your power source and loads according to the pinout configuration. Use the enable pins to control the power distribution to each channel and monitor the fault indicator for protection events. Ensure proper heat dissipation and adhere to the device's operational limits. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the TPS2421-2DDA demonstrates the proper connection of the power distribution switch in a typical system setup. It illustrates the input, output, and control connections necessary for efficient power management and protection.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

TPS2041: A similar power distribution switch with single-channel operation and comparable features.
PTC6321: An alternative dual-channel power switch offering similar functionality and protection capabilities.

Complementary

The TPS2421-2DDA can be complemented by the TPS22916, a load switch with additional features such as reverse current blocking and power sequencing, for comprehensive power management in complex systems.

When selecting complementary components, ensure compatibility and alignment with your system requirements for optimal performance.

Frequently Asked Questions

Q: What is the maximum current handling capacity of the TPS2421-2DDA per channel?

A: The TPS2421-2DDA can handle currents up to a specified limit per channel. Refer to the datasheet for detailed current ratings and operating conditions.

Q: Is the TPS2421-2DDA suitable for automotive applications?

A: Yes, the TPS2421-2DDA can be used in automotive systems for power distribution and protection, providing enhanced control and safety features.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

FET	Internal	Ron (typ) (mΩ)	33
Vin (min) (V)	3	Vin (max) (V)	20
Vabsmax_cont (V)	25	Current limit (min) (A)	1.8
Current limit (max) (A)	5.5	Overcurrent response	Power limiting, current limiting
Fault response	Auto-retry	Soft start	Adjustable
Features	Fault output, Power good signal	UL recognition	UL2367
Rating	Catalog	Device type	eFuses and hot swap controllers
Operating temperature range (°C)	-40 to 125	Function	Adjustable current limit, Current monitoring, Power good signal, Short circuit protection, Thermal shutdown

FAQs

What is TPS2421-2DDA?

The TPS2421-2DDA is a dual channel, precision adjustable current-limiting power distribution switch designed by Texas Instruments. It is ideal for applications requiring power distribution and protection, such as USB peripherals, thermal printers, and portable devices.

How Does TPS2421-2DDA Work?

The TPS2421-2DDA works by providing current-limiting and power distribution functions for connected loads. It monitors the output current and limits it to a set value to protect the load and power source. The device can be controlled through external logic signals to enable, disable, or adjust the current limit.

How Many Pins does TPS2421-2DDA have and What are the Functions of the Pinout Configuration?

The TPS2421-2DDA is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

IN1, IN2: Input power supply pins for channel 1 and channel 2.
OUT1, OUT2: Output pins for channel 1 and channel 2.
ILIM1, ILIM2: Current limit setup pins for channel 1 and channel 2.
EN1, EN2: Enable pins for channel 1 and channel 2.

What are the Pros and Cons of TPS2421-2DDA?

Pros:

Current-Limiting Protection: Provides precise current-limiting protection for connected loads.
Dual Channel Configuration: Allows independent power distribution and current limit setting for two channels.
Adjustability: Offers adjustable current limit settings for flexibility in different applications.
Low Power Consumption: Operates with low power consumption, suitable for battery-powered devices.
Overtemperature Protection: Includes overtemperature protection to ensure device safety.

Cons:

External Components: May require external components for setting current limits and controlling the device.
Pin Count: Limited to 8 pins which may constrain additional features or functionality.
Application Specific: Tailored for power distribution applications and may not be suitable for all scenarios.

Are There Any Equivalents/Alternatives to TPS2421-2DDA for Recommendation?

The TPS2051B from Texas Instruments is a single-channel power distribution switch alternative.
Alternatives to the TPS2421-2DDA include the ADP2384 from Analog Devices and the MAX1522 from Maxim Integrated.