TPS65178ARSLT

Product Overview

Category

The TPS65178ARSLT belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in electronic devices to efficiently regulate and control power supply voltages, making it suitable for a wide range of applications.

Characteristics

• High efficiency: The TPS65178ARSLT offers high conversion efficiency, minimizing power losses during voltage regulation.
• Wide input voltage range: It can handle a broad range of input voltages, allowing flexibility in various power supply configurations.
• Low quiescent current: The IC has low power consumption when in standby mode, contributing to energy savings.
• Compact package: The TPS65178ARSLT is available in a small outline package (SOT-23), enabling space-saving designs.
• Robustness: It features built-in protection mechanisms against overvoltage, overcurrent, and thermal issues, ensuring reliable operation.

Package and Quantity

The TPS65178ARSLT is typically packaged in a SOT-23 package. It is commonly available in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 1.8V to 5.5V
• Maximum Output Current: 200mA
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TPS65178ARSLT has six pins arranged as follows:

___________ | | VOUT|1 6|VIN GND |2 5|EN FB |3 4|SW |___________|

1. VOUT: Output voltage pin.
2. GND: Ground reference pin.
3. FB: Feedback pin for voltage regulation.
4. SW: Switching pin for power control.
5. EN: Enable pin to activate or deactivate the IC.
6. VIN: Input voltage pin.

Functional Features

• Voltage Regulation: The TPS65178ARSLT provides precise and stable output voltage regulation, ensuring reliable operation of connected devices.
• Power Efficiency: With its high conversion efficiency, it minimizes power losses during voltage conversion, optimizing energy usage.
• Protection Mechanisms: The IC incorporates various protection features such as overvoltage, overcurrent, and thermal shutdown, safeguarding both the IC and the connected devices.
• Low Standby Power Consumption: In standby mode, the IC consumes minimal power, contributing to energy savings and extended battery life.

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Wide input voltage range
• Compact package size
• Built-in protection mechanisms
• Low quiescent current

Disadvantages

• Limited maximum output current (200mA)
• Requires external components for complete power management solution

Working Principles

The TPS65178ARSLT operates based on a switching regulator topology. It utilizes an internal oscillator to control the switching of the power MOSFET, which regulates the output voltage. By adjusting the duty cycle of the switching signal, the IC maintains a stable output voltage despite variations in the input voltage.

Application Field Plans

The TPS65178ARSLT finds applications in various electronic devices, including but not limited to: - Mobile phones and smartphones - Tablets and laptops - Portable media players - Digital cameras - Wearable devices - IoT (Internet of Things) devices

Alternative Models

For those seeking alternative options, the following ICs can be considered: - TPS65178BRSAR: Similar to TPS65178ARSLT but with a different package (VQFN). - TPS65179ARSLT: Offers higher maximum output current (500mA) but with a slightly larger package (SOT-23).

These alternatives provide similar functionality and can be suitable replacements depending on specific requirements.

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