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TPS2421-1DDA
Enhanced Monitoring and Reset Capabilities in a Small Package
TPS2421-1DDA
Enhanced Monitoring and Reset Capabilities in a Small Package
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Manufacturer Part # : TPS2421-1DDA
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Package/Case: HSOIC (DDA)-8
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Brand: Texas Instruments
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Product Categories : Hot Swap Controllers
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Series : TPS2421
Quality Assurance
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.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
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Service & Packaging
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]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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TPS2421-1DDA DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1 | $1.347 | $1.35 |
| 10 | $1.312 | $13.12 |
| 30 | $1.289 | $38.67 |
| 100 | $1.266 | $126.60 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
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TPS2421-1DDA Details
The TPS2421-1DDA is a power distribution switch from Texas Instruments, designed for efficient power management in electronic systems. This switch provides protection and control features, making it ideal for applications where reliable power distribution is essential. It offers a current limit function and thermal shutdown protection, ensuring safe and reliable operation.
Pinout
- 1 (VIN): Input Voltage
- 2 (EN): Enable Control
- 3 (FAULT): Fault Indicator
- 4 (OUT): Output Voltage
- 5 (GND): Ground
(Tip: For detailed pinout information, please refer to the corresponding datasheet.)
Key Features
- Current Limit Function: Provides overcurrent protection with adjustable current limit settings.
- Thermal Shutdown Protection: Includes thermal shutdown circuitry for safe operation under high temperature conditions.
- Enable Control: Allows for external enable control to manage power distribution.
- Fault Indicator: Indicates fault conditions for easy troubleshooting and system diagnosis.
- Low ON-State Resistance: Minimizes voltage drops and power dissipation for efficient power delivery.
Application
- Power Management Systems: Suitable for power distribution and management systems in various electronics applications.
- Battery-Powered Devices: Ideal for battery-powered devices requiring efficient power control and protection.
- Industrial Control: Used in industrial control systems for reliable power distribution and protection.
Where to Use
The TPS2421-1DDA is suitable for applications that necessitate reliable power distribution and protection features. It is commonly used in power management systems, battery-powered devices, and industrial control applications to ensure stable and safe operation.
How to Use
Integrate the TPS2421-1DDA into your circuit by connecting the VIN, EN, OUT, and GND pins as per the application requirements. Set the current limit and enable control based on your system's needs. Monitor the fault indicator for any abnormal conditions. For detailed usage guidelines, consult the datasheet.
Application Circuit
The application circuit diagram for the TPS2421-1DDA illustrates the proper connection of the power distribution switch in an electronic system. It showcases the connections for input voltage, enable control, output voltage, and ground, ensuring efficient power management and protection.
(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)
Equivalents
- TPS2420: A similar power distribution switch with comparable features and performance.
- TPS2422-1: An alternative switch offering enhanced functionality for specific applications.
Complementary
The TPS2421-1DDA can be paired with the TPS2546 power mux to create a more robust power management solution, enabling seamless power distribution and protection 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 purpose of the fault indicator on the TPS2421-1DDA?
A: The fault indicator signals abnormal conditions such as overcurrent or thermal shutdown, aiding in system diagnosis and troubleshooting for prompt resolution.
Q: Can the current limit function of the TPS2421-1DDA be adjusted?
A: Yes, the TPS2421-1DDA offers adjustable current limit functionality to cater to varying load requirements. Consult the datasheet for precise adjustment procedures.
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 | Latch-off | 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 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is TPS2421-1DDA?
The TPS2421-1DDA is a precision adjustable current limiting power distribution switch designed by Texas Instruments. It is ideal for applications requiring protection against overcurrent events and precise current control, such as USB ports, hot-swappable devices, and battery charging circuits.
How Does TPS2421-1DDA Work?
The TPS2421-1DDA works by monitoring the input current and limiting the output current to a safe level in the event of an overcurrent condition. It utilizes a precision current-sense amplifier and a feedback control loop to provide accurate current limiting while minimizing voltage drop. The device is capable of controlling loads with up to 5.5V input voltage.
How Many Pins does TPS2421-1DDA have and What are the Functions of the Pinout Configuration?
The TPS2421-1DDA is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- IN, OUT: Power input and output pins.
- EN: Enable pin for controlling the power switch.
- ILIM: Current limit setting pin.
- FLT: Fault indicator output pin.
- GND: Ground pin.
- SENSE: Current-sense input pin connected to the load.
What are the Pros and Cons of TPS2421-1DDA?
Pros:
- Precision Current Limiting: Provides accurate current limiting for reliable overcurrent protection.
- Adjustable Current Limit: Allows flexibility in setting the current limit to match specific load requirements.
- Low Voltage Drop: Minimizes the voltage drop across the power switch for efficient power distribution.
- Thermal Shutdown Protection: Includes thermal shutdown functionality for added safety in high-temperature conditions.
Cons:
- External Components: May require additional external components such as bypass capacitors and resistors for optimal performance in certain applications.
- Package Size: The 8-pin SOIC package may have size limitations for space-constrained designs.
Are There Any Equivalents/Alternatives to TPS2421-1DDA for Recommendation?
- The TPS2041B from Texas Instruments is a similar precision adjustable current limiting power switch.
- Alternatives to the TPS2421-1DDA include the LTC4211 from Analog Devices and the MAX16056 from Maxim Integrated.
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