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TPS2112APWR
Product Overview
Category
The TPS2112APWR belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.
Use
This product is primarily used for power multiplexing applications, where it enables seamless switching between two power sources.
Characteristics
- Power multiplexer with low on-resistance
- Supports input voltages ranging from 1.8V to 5.5V
- Provides a seamless transition between two power sources
- Low quiescent current consumption
- Overcurrent protection feature
- Thermal shutdown protection
Package
The TPS2112APWR is available in a small package known as the TSSOP-14. This package offers a compact form factor and facilitates easy integration into various electronic devices.
Essence
The essence of the TPS2112APWR lies in its ability to efficiently manage power sources and seamlessly switch between them, ensuring uninterrupted power supply to the connected device.
Packaging/Quantity
The TPS2112APWR is typically sold in reels containing 2500 units per reel.
Specifications
- Input Voltage Range: 1.8V to 5.5V
- Operating Temperature Range: -40°C to 85°C
- On-Resistance (Rdson): 50mΩ (typical)
- Quiescent Current: 10µA (typical)
- Overcurrent Protection Threshold: 1.5A (typical)
Detailed Pin Configuration
The TPS2112APWR features a total of 14 pins, each serving a specific purpose. The pin configuration is as follows:
- EN (Enable)
- IN1 (Input 1)
- GND (Ground)
- IN2 (Input 2)
- VBAT (Battery Voltage)
- VOUT (Output Voltage)
- PGND (Power Ground)
- FLT (Fault Indicator)
- OC (Overcurrent Indicator)
- SS (Soft-Start)
- NC (No Connection)
- NC (No Connection)
- NC (No Connection)
- VIN (Input Voltage)
Functional Features
- Seamless power source switching
- Low on-resistance for minimal voltage drop
- Overcurrent protection to safeguard connected devices
- Fault indicator for easy troubleshooting
- Soft-start feature for controlled power-up
Advantages and Disadvantages
Advantages
- Efficient power multiplexing
- Low voltage drop
- Compact form factor
- Overcurrent protection
- Easy troubleshooting with fault indicator
Disadvantages
- Limited input voltage range (1.8V to 5.5V)
- Relatively higher on-resistance compared to some alternatives
Working Principles
The TPS2112APWR operates by continuously monitoring the input voltages from two power sources. It automatically selects the power source with the higher voltage and switches the load to that source. This seamless transition ensures uninterrupted power supply to the connected device.
Detailed Application Field Plans
The TPS2112APWR finds applications in various fields, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial automation - Automotive electronics - IoT devices
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the TPS2112APWR include: - TPS2113APWR - TPS2114APWR - TPS2115APWR - TPS2116APWR
These alternative models can be considered based on specific requirements and compatibility with the target application.
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Перечислите 10 распространенных вопросов и ответов, связанных с применением TPS2112APWR в технических решениях.
Sure! Here are 10 common questions and answers related to the application of TPS2112APWR in technical solutions:
Q: What is TPS2112APWR? A: TPS2112APWR is a power multiplexer IC (integrated circuit) that allows seamless switching between two power sources.
Q: What are the typical applications of TPS2112APWR? A: TPS2112APWR is commonly used in battery-powered systems, portable devices, and any application where power source redundancy or power path management is required.
Q: How does TPS2112APWR work? A: TPS2112APWR monitors the voltage levels of two power sources and automatically switches between them based on predefined thresholds, ensuring uninterrupted power supply.
Q: Can TPS2112APWR handle different voltage levels for the two power sources? A: Yes, TPS2112APWR supports power sources with different voltage levels, allowing seamless switching between them.
Q: What is the maximum current rating of TPS2112APWR? A: The maximum continuous current rating of TPS2112APWR is typically specified by the manufacturer and can vary. Please refer to the datasheet for accurate information.
Q: Does TPS2112APWR have any built-in protection features? A: Yes, TPS2112APWR usually includes overcurrent protection, thermal shutdown, and reverse current blocking to safeguard the system from potential damage.
Q: Can TPS2112APWR be controlled or monitored using a microcontroller? A: Yes, TPS2112APWR can be easily controlled and monitored using a microcontroller through its enable pins and status outputs.
Q: Is TPS2112APWR suitable for automotive applications? A: Yes, TPS2112APWR is often used in automotive applications due to its ability to handle wide input voltage ranges and withstand harsh operating conditions.
Q: Can TPS2112APWR be used in parallel to increase current handling capacity? A: No, TPS2112APWR is not designed to be used in parallel. Attempting to do so may result in unpredictable behavior and damage to the IC.
Q: Where can I find more information about TPS2112APWR and its application notes? A: You can refer to the manufacturer's datasheet and application notes, which are usually available on their website or through authorized distributors.