TPS2121RUXR

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TPS2121RUXR

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  • FabricanteTexas Instruments

  • Peça do Fabricante #TPS2121RUXR

  • Pacote VFQFN-12

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Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Source Selector Switch
FETType N-Channel
Ratio-Input:Output 2:1
Current-Output(Max) 4.5A
Voltage-Supply 2.8V ~ 22V
Applications General Purpose
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 12-VFQFN

Visão Geral

Description

The TPS2121RUXR is a dual-input, single-output power multiplexer from Texas Instruments. It is designed to seamlessly switch between two power sources, ensuring an uninterrupted power supply to the connected load. This feature is particularly useful in applications requiring redundancy or load sharing between different power supplies.
Key features of the TPS2121RUXR include a flexible, wide input voltage range (2.8 V to 22 V), adjustable priority settings to determine which input source to prioritize, and fast switchover times to minimize voltage dips. It also incorporates various protection mechanisms, such as overcurrent protection, thermal shutdown, and reverse current blocking, ensuring robust operation under various conditions.
The device is commonly used in consumer electronics, industrial equipment, and communication systems where reliable power delivery is critical. Its compact package and integrated features make it suitable for space-constrained applications. Additionally, the TPS2121RUXR offers a programmable current limit and an adjustable fast switchover time, providing flexibility for various design requirements.

Equivalent

The TPS2121RUXR is a power multiplexer from Texas Instruments designed for seamless switching between two power sources. Equivalent products include:
1. MAX14699 from Maxim Integrated: A power-path controller suitable for dual power sources.
2. LTC4412 from Analog Devices: A low-loss power path controller for automatic power switching.
3. ADP1190 from Analog Devices: A power switch with reverse blocking for dual power applications.
Always verify specifications to ensure compatibility with your application.

Features

The TPS2121RUXR is a priority power mux from Texas Instruments, designed to manage dual power sources. Key features include:
1. Wide Input Voltage Range: Supports 2.8V to 22V, accommodating a broad array of power sources.
2. Seamless Switchover: Offers automatic selection between two power sources to ensure uninterrupted power supply.
3. Adjustable Priority: Users can configure the device to prioritize one power source over the other.
4. High Current Capability: Capable of handling up to 4.5A continuous current.
5. Integrated Back-to-Back FETs: Provides isolation between the input sources, preventing cross-conduction.
6. Fast Switchover Time: Less than 100μs to switch between power sources, optimizing power reliability.
7. Protection Features: Overvoltage, undervoltage, overcurrent, and thermal protection are built-in for enhanced safety.
8. Compact Size: Available in a small VQFN package, suitable for space-constrained applications.
These features make the TPS2121RUXR ideal for applications requiring reliable power management from multiple input sources, such as consumer electronics, industrial automation, and telecommunications.

Pinout

The TPS2121RUXR is a power multiplexer IC from Texas Instruments, designed to switch between two power sources. It features a 16-pin layout, packaged in a 3mm x 3mm VQFN (Very Thin Quad Flat No-Lead) package.
Key functions include:
1. Power Multiplexing: Seamless and automatic transition between two input power sources, preferred and auxiliary, based on priority or voltage.
2. Adjustable Thresholds: Enables customization of voltage thresholds for source switching, ensuring flexibility for various applications.
3. Current Limiting: Provides adjustable current limiting to protect the circuit from overcurrent conditions.
4. Fast Switchover: Ensures minimal disruption during the transition between power sources, enhancing reliability in sensitive applications.
5. Protection Features: Incorporates under-voltage lockout, reverse current blocking, and thermal shutdown for robust operation.
6. Status Indication: Provides status outputs to signal current operational states, aiding in system diagnostics and monitoring.
The TPS2121RUXR is commonly used in applications requiring reliable power source selection, such as industrial automation, consumer electronics, and communication systems.

Manufacturer

The TPS2121RUXR is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and produces a broad range of integrated circuits, which are used in a variety of electronic systems and devices. Known for its innovation and leadership in the semiconductor industry, Texas Instruments focuses on analog and embedded processing products that are essential for the creation of electronic applications across many sectors, including consumer electronics, automotive, industrial, and communications. The company is headquartered in Dallas, Texas, and is one of the largest semiconductor companies in the world.

Application

The TPS2121RUXR is a power multiplexer IC used for seamless transition and management between two power sources. Its application areas include consumer electronics, where it ensures uninterrupted power supply by switching between battery and adapter power. In industrial systems, it manages redundant power sourcing for reliability. It is also used in telecommunications for stable power supply transitions and in automotive electronics to handle different power sources. Furthermore, it is applicable in medical devices for critical power management and in IoT devices to ensure continuous operation. Its fast switching capability and priority selection make it ideal for systems requiring reliable power source management.

Package

The TPS2121RUXR is a power multiplexer IC from Texas Instruments, designed for automatic switching between two power sources. It is available in a 16-pin VQFN (Very Thin Quad Flat No-Lead) package, specifically a 3.00 mm x 3.00 mm size, which is designed for compact applications with efficient thermal performance.

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