Texas Instruments
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TPS61197DR
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TPS61197DR

Product Overview

Category

The TPS61197DR belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices to efficiently regulate and control power supply voltages.

Characteristics

  • High efficiency power conversion
  • Wide input voltage range
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection

Package

The TPS61197DR is available in a small outline package (SOP) with eight pins.

Essence

The essence of the TPS61197DR lies in its ability to provide efficient power management solutions, ensuring stable and reliable power supply for electronic devices.

Packaging/Quantity

The TPS61197DR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.7V to 18V
  • Output Voltage Range: 1.2V to 15V
  • Maximum Output Current: 3A
  • Switching Frequency: 1MHz
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VOUT: Output voltage pin
  6. SW: Switching pin
  7. PGND: Power ground pin
  8. BST: Boost pin

Functional Features

  • High-efficiency step-up (boost) converter
  • Adjustable output voltage through feedback pin
  • Overcurrent protection prevents damage to the IC and connected devices
  • Thermal shutdown protection safeguards against overheating
  • Enable pin allows for easy on/off control

Advantages and Disadvantages

Advantages

  • High efficiency power conversion reduces energy waste
  • Wide input voltage range enables compatibility with various power sources
  • Adjustable output voltage provides flexibility for different applications
  • Overcurrent and thermal shutdown protection enhance system reliability
  • Easy on/off control simplifies device operation

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Requires external components for complete power management solution

Working Principles

The TPS61197DR operates as a step-up (boost) converter, converting a lower input voltage to a higher output voltage. It utilizes a switching regulator topology to efficiently regulate the output voltage. The feedback pin allows for adjustable output voltage, while the enable pin controls the on/off state of the IC. Overcurrent and thermal shutdown protection mechanisms ensure safe operation.

Detailed Application Field Plans

The TPS61197DR finds application in various electronic devices, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets) - Battery-powered devices (e.g., portable speakers, handheld gaming consoles) - LED lighting systems - Industrial automation equipment - Automotive electronics

Detailed and Complete Alternative Models

  1. TPS61198DR: Similar to TPS61197DR, but with higher maximum output current (5A).
  2. TPS61199DR: Similar to TPS61197DR, but with additional features such as adjustable switching frequency and synchronization capability.

These alternative models provide options with varying specifications to suit different power management requirements.

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Orodhesha maswali na majibu 10 ya kawaida yanayohusiana na utumiaji wa TPS61197DR katika suluhu za kiufundi

Sure! Here are 10 common questions and answers related to the application of TPS61197DR in technical solutions:

  1. Q: What is TPS61197DR? A: TPS61197DR is a boost converter IC (integrated circuit) designed for driving LEDs in backlighting applications.

  2. Q: What is the input voltage range of TPS61197DR? A: The input voltage range of TPS61197DR is typically between 2.7V and 18V.

  3. Q: What is the maximum output current of TPS61197DR? A: TPS61197DR can provide a maximum output current of up to 1.5A.

  4. Q: Can TPS61197DR be used for dimming LED backlighting? A: Yes, TPS61197DR supports PWM (Pulse Width Modulation) dimming control for LED backlighting.

  5. Q: Does TPS61197DR have built-in over-temperature protection? A: Yes, TPS61197DR has built-in thermal shutdown protection to prevent overheating.

  6. Q: Can TPS61197DR operate with a single-cell Li-ion battery? A: Yes, TPS61197DR can operate with a single-cell Li-ion battery as it supports input voltages as low as 2.7V.

  7. Q: What is the typical efficiency of TPS61197DR? A: The typical efficiency of TPS61197DR is around 90% under normal operating conditions.

  8. Q: Is TPS61197DR suitable for automotive lighting applications? A: Yes, TPS61197DR is designed to meet the requirements of automotive lighting applications.

  9. Q: Does TPS61197DR have short-circuit protection? A: Yes, TPS61197DR has built-in short-circuit protection to prevent damage in case of a short circuit.

  10. Q: Can TPS61197DR be used in both boost and buck-boost configurations? A: No, TPS61197DR is specifically designed for boost converter applications and cannot be used in buck-boost configurations.

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