BQ25122YFPT - English Editing Encyclopedia Entry

Product Overview

Category

BQ25122YFPT belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power management in various electronic devices, providing efficient and reliable power supply solutions.

Characteristics

• High efficiency: BQ25122YFPT offers high power conversion efficiency, minimizing energy loss during power transfer.
• Low power consumption: It operates with low quiescent current, ensuring minimal power wastage when not actively supplying power.
• Compact size: The IC is designed to be compact, making it suitable for space-constrained applications.
• Wide input voltage range: It can handle a wide range of input voltages, allowing flexibility in power source selection.

Package

BQ25122YFPT is available in a small form factor package, such as a thin-profile leadless package (TSSOP), which facilitates easy integration into electronic devices.

Essence

The essence of BQ25122YFPT lies in its ability to efficiently manage power supply, enabling optimal performance and extended battery life in electronic devices.

Packaging/Quantity

Typically, BQ25122YFPT is supplied in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: Adjustable from 0.8V to 5.2V
• Quiescent Current: <1µA
• Maximum Output Current: 300mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

BQ25122YFPT features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin for controlling the IC's operation
4. VOUT: Output voltage pin
5. PG: Power good indicator pin
6. STAT: Status indicator pin
7. BAT: Battery voltage input pin
8. TS: Temperature sense pin

Functional Features

• Power Path Management: BQ25122YFPT allows seamless power transfer between the input source and the battery, ensuring uninterrupted device operation.
• Battery Charging: It incorporates a charging circuitry that efficiently charges the connected battery while providing power to the device.
• Dynamic Voltage Scaling: The IC supports dynamic voltage scaling, enabling efficient power management based on the device's power requirements.
• Overvoltage/Undervoltage Protection: BQ25122YFPT includes protection mechanisms to prevent damage from overvoltage or undervoltage conditions.

Advantages and Disadvantages

Advantages

• High power conversion efficiency leads to reduced energy loss.
• Low quiescent current minimizes power wastage during idle periods.
• Compact size facilitates integration into space-constrained devices.
• Wide input voltage range provides flexibility in power source selection.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires careful consideration of thermal management due to operating temperature limitations.

Working Principles

BQ25122YFPT operates by regulating the input voltage and efficiently transferring power to the output while managing battery charging. It utilizes various control mechanisms to maintain stable output voltage and protect against voltage anomalies.

Detailed Application Field Plans

BQ25122YFPT finds application in a wide range of electronic devices, including but not limited to: - Wearable devices - Internet of Things (IoT) devices - Portable medical devices - Smartphones and tablets - Wireless sensors

Detailed and Complete Alternative Models

Some alternative models to BQ25122YFPT that offer similar functionality and features include: - BQ24075RGTR - LTC3559EUD#PBF - TPS63020DSJR

These alternative models can be considered based on specific application requirements and design considerations.

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