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TPS61235PRWLT
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TPS61235PRWLT

Product Overview

Category

The TPS61235PRWLT belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators category.

Use

This product is primarily used as a boost converter, which means it increases the input voltage to a higher output voltage level. It is commonly employed in various electronic devices where a stable and regulated power supply is required.

Characteristics

  • High efficiency: The TPS61235PRWLT offers high conversion efficiency, ensuring minimal power loss during voltage conversion.
  • Wide input voltage range: It can accept input voltages ranging from 2.3V to 5.5V, making it compatible with a wide range of power sources.
  • Adjustable output voltage: The output voltage can be set between 1.8V and 5.5V, providing flexibility for different applications.
  • Low quiescent current: The device has a low standby current consumption, contributing to energy efficiency.

Package

The TPS61235PRWLT is available in a small package known as a WSON-10, which stands for "Wafer Scale Chip-Scale Package." This package type offers a compact form factor, making it suitable for space-constrained designs.

Essence

The essence of the TPS61235PRWLT lies in its ability to efficiently convert input voltages to higher output voltages while maintaining stability and reliability.

Packaging/Quantity

The TPS61235PRWLT is typically sold in reels or tubes, containing a quantity of 250 units per package.

Specifications

  • Input Voltage Range: 2.3V to 5.5V
  • Output Voltage Range: 1.8V to 5.5V
  • Maximum Output Current: 1.2A
  • Switching Frequency: 1.2MHz
  • Quiescent Current: 17µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS61235PRWLT has ten pins, each serving a specific function:

  1. EN: Enable pin for turning the device on or off.
  2. VIN: Input voltage pin.
  3. SW: Switching node connection for inductor.
  4. GND: Ground reference pin.
  5. FB: Feedback pin for output voltage regulation.
  6. VOUT: Output voltage pin.
  7. PG: Power good indicator pin.
  8. SS/TR: Soft-start and tracking control pin.
  9. BST: Boost node connection for inductor.
  10. AGND: Analog ground reference pin.

Functional Features

  • Automatic PWM/PFM mode switching: The TPS61235PRWLT can automatically switch between Pulse Width Modulation (PWM) and Pulse Frequency Modulation (PFM) modes based on load conditions, optimizing efficiency.
  • Power good indicator: The PG pin provides a signal indicating when the output voltage is within the desired range, ensuring proper power supply operation.
  • Soft-start and tracking: The SS/TR pin allows for controlled startup and shutdown sequences, preventing voltage spikes and ensuring smooth transitions.
  • Overcurrent protection: The device incorporates overcurrent protection to safeguard against excessive current draw.

Advantages and Disadvantages

Advantages

  • High conversion efficiency reduces power loss.
  • Wide input voltage range offers compatibility with various power sources.
  • Adjustable output voltage provides flexibility for different applications.
  • Compact package size enables space-saving designs.
  • Power good indicator enhances system reliability.

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications.
  • Higher cost compared to non-integrated boost converter solutions.

Working Principles

The TPS61235PRWLT operates as a synchronous boost converter. It utilizes an inductor, a diode, and capacitors to convert the input voltage to a higher output voltage. The integrated control circuitry ensures efficient power conversion by regulating the duty cycle of the switching transistor.

Detailed Application Field Plans

The TPS61235PRWLT finds applications in various electronic devices, including but not limited to: - Battery-powered portable devices - Wireless communication systems - IoT (Internet of Things) devices - Wearable electronics - Embedded systems

Detailed and Complete Alternative Models

  1. TPS61236PRWLT: Similar to TPS61235PRWLT, but with a higher maximum output current of 1.5A.
  2. TPS61237PRWLT: Similar to TPS61235PRWLT, but with a lower quiescent current of 12µA.
  3. TPS61238PRWLT: Similar to TPS61235PRWLT, but with a wider input voltage range of 2.0V to 5.5V.

These alternative models offer variations in certain specifications to cater to specific application requirements while maintaining

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van TPS61235PRWLT in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of TPS61235PRWLT in technical solutions:

  1. Q: What is TPS61235PRWLT? A: TPS61235PRWLT is a step-up (boost) DC-DC converter integrated circuit (IC) designed for low-power applications.

  2. Q: What is the input voltage range of TPS61235PRWLT? A: The input voltage range of TPS61235PRWLT is typically between 0.3V and 5.5V.

  3. Q: What is the output voltage range of TPS61235PRWLT? A: The output voltage range of TPS61235PRWLT can be adjusted from 1.8V to 5.5V using external resistors.

  4. Q: What is the maximum output current of TPS61235PRWLT? A: The maximum output current of TPS61235PRWLT is typically 1.2A.

  5. Q: Can TPS61235PRWLT operate in a wide temperature range? A: Yes, TPS61235PRWLT is designed to operate in a temperature range of -40°C to +85°C.

  6. Q: Is TPS61235PRWLT suitable for battery-powered applications? A: Yes, TPS61235PRWLT is ideal for battery-powered applications due to its low quiescent current and high efficiency.

  7. Q: Does TPS61235PRWLT have built-in protection features? A: Yes, TPS61235PRWLT includes features like thermal shutdown, overcurrent protection, and undervoltage lockout for enhanced reliability.

  8. Q: Can TPS61235PRWLT be used in portable devices? A: Absolutely, TPS61235PRWLT is commonly used in portable devices such as smartphones, tablets, and wearable electronics.

  9. Q: What is the efficiency of TPS61235PRWLT? A: The efficiency of TPS61235PRWLT can reach up to 95% under certain operating conditions.

  10. Q: Are there any application notes or reference designs available for TPS61235PRWLT? A: Yes, Texas Instruments provides application notes and reference designs that can help with the implementation of TPS61235PRWLT in various technical solutions.

Please note that these answers are general and may vary depending on specific design considerations and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.