Texas Instruments
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TPS2112APWRG4
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TPS2112APWRG4

Product Overview

Category

The TPS2112APWRG4 belongs to the category of power management integrated circuits (PMICs).

Use

This PMIC is designed to provide power management solutions for various electronic devices and systems.

Characteristics

  • High efficiency power conversion
  • Low power consumption
  • Wide input voltage range
  • Overcurrent protection
  • Thermal shutdown protection

Package

The TPS2112APWRG4 comes in a small outline package (SOP) with 8 pins.

Essence

The essence of the TPS2112APWRG4 lies in its ability to efficiently manage power distribution within electronic devices, ensuring stable and reliable operation.

Packaging/Quantity

The TPS2112APWRG4 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.8V to VIN
  • Maximum Continuous Current: 2A
  • Quiescent Current: 50µA
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

  1. EN (Enable): Controls the enable/disable state of the device.
  2. IN (Input): Connects to the input voltage source.
  3. GND (Ground): Common ground reference.
  4. VOUT (Output Voltage): Provides the regulated output voltage.
  5. PG (Power Good): Indicates the status of the output voltage.
  6. FB (Feedback): Connects to an external resistor divider network for voltage regulation.
  7. ILIM (Current Limit): Sets the current limit threshold.
  8. SW (Switch Node): Connects to the load or system being powered.

Functional Features

  • Seamless transition between input power sources
  • Automatic selection of the higher voltage source
  • Overcurrent protection to prevent damage to the device and load
  • Power good indicator for monitoring the output voltage status
  • Low quiescent current for improved efficiency

Advantages and Disadvantages

Advantages

  • Efficient power management
  • Wide input voltage range
  • Overcurrent and thermal protection
  • Compact package size
  • Power good indicator for easy monitoring

Disadvantages

  • Limited maximum continuous current (2A)
  • Requires external resistor divider network for voltage regulation

Working Principles

The TPS2112APWRG4 operates by continuously monitoring the input voltage sources and automatically selecting the higher voltage source for power distribution. It utilizes a switch node to connect the load or system being powered. The device incorporates overcurrent protection, which limits the current flowing through it to prevent damage. Additionally, it features thermal shutdown protection to safeguard against overheating.

Detailed Application Field Plans

The TPS2112APWRG4 finds applications in various electronic devices and systems that require efficient power management. Some potential application fields include:

  1. Portable electronic devices: Smartphones, tablets, portable gaming consoles.
  2. Industrial automation: PLCs (Programmable Logic Controllers), motor control systems.
  3. Automotive electronics: Infotainment systems, navigation systems, lighting control.
  4. IoT (Internet of Things) devices: Smart home automation, wearable devices, sensor networks.

Detailed and Complete Alternative Models

  1. TPS2110APWRG4: Similar functionality with a lower maximum continuous current of 1.5A.
  2. TPS2113APWRG4: Higher maximum continuous current of 3A with similar features.
  3. TPS2114APWRG4: Dual-channel version of the TPS2112APWRG4, providing power management for two independent loads.

These alternative models offer similar power management capabilities with slight variations in specifications and features.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של TPS2112APWRG4 בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of TPS2112APWRG4 in technical solutions:

  1. Q: What is TPS2112APWRG4? A: TPS2112APWRG4 is a dual-channel, bidirectional current-limited power switch with automatic switchover.

  2. Q: What is the maximum voltage rating for TPS2112APWRG4? A: The maximum voltage rating for TPS2112APWRG4 is typically 5.5V.

  3. Q: Can TPS2112APWRG4 handle high currents? A: Yes, TPS2112APWRG4 can handle currents up to 2A per channel.

  4. Q: How does TPS2112APWRG4 achieve automatic switchover? A: TPS2112APWRG4 has an integrated circuitry that automatically switches between two power sources based on their availability.

  5. Q: Is TPS2112APWRG4 suitable for battery-powered applications? A: Yes, TPS2112APWRG4 is commonly used in battery-powered applications due to its low quiescent current and low dropout voltage.

  6. Q: Can TPS2112APWRG4 be used in reverse polarity protection circuits? A: Yes, TPS2112APWRG4 can be used as a reverse polarity protection switch to prevent damage to sensitive components.

  7. Q: Does TPS2112APWRG4 have built-in thermal shutdown protection? A: Yes, TPS2112APWRG4 has a built-in thermal shutdown feature that protects it from overheating.

  8. Q: What is the operating temperature range for TPS2112APWRG4? A: The operating temperature range for TPS2112APWRG4 is typically -40°C to 85°C.

  9. Q: Can TPS2112APWRG4 be used in automotive applications? A: Yes, TPS2112APWRG4 is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.

  10. Q: Are there any evaluation modules or reference designs available for TPS2112APWRG4? A: Yes, Texas Instruments provides evaluation modules and reference designs that can help in designing with TPS2112APWRG4.

Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult the manufacturer for detailed information.