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BQ24161RGER
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BQ24161RGER

Product Overview

Category

The BQ24161RGER belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This IC is primarily used for managing power in portable electronic devices such as smartphones, tablets, and other battery-powered devices.

Characteristics

  • The BQ24161RGER is a highly efficient and compact power management solution.
  • It offers advanced charging capabilities and protection features.
  • This IC supports various charging modes, including fast charging and trickle charging.
  • It incorporates a high-efficiency synchronous switching regulator to optimize power conversion.
  • The BQ24161RGER also provides accurate battery voltage and current monitoring.

Package

The BQ24161RGER comes in a small 24-pin VQFN package, which stands for Very Thin Quad Flat No-Lead. This package ensures easy integration into space-constrained designs.

Essence

The essence of the BQ24161RGER lies in its ability to efficiently manage power and provide reliable charging solutions for portable electronic devices.

Packaging/Quantity

The BQ24161RGER is typically available in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 4.35V - 6.45V
  • Output Voltage Range: 3.5V - 4.44V
  • Charging Current Range: Up to 2A
  • Operating Temperature Range: -40°C to +85°C
  • Efficiency: Up to 95%
  • Standby Current: Less than 100µA

Detailed Pin Configuration

The BQ24161RGER has a total of 24 pins, each serving a specific function. Here is a detailed pin configuration:

  1. EN: Enable Pin
  2. STAT: Status Output Pin
  3. PG: Power Good Output Pin
  4. TS: Thermistor Input Pin
  5. ISET: Current Limit Setting Pin
  6. VBUS: USB Input Voltage Pin
  7. AC/DP: USB D+ Data Line Pin
  8. AC/DM: USB D- Data Line Pin
  9. SRN/SRP: Switching Regulator Node Pins
  10. BAT: Battery Connection Pin
  11. SYS: System Output Voltage Pin
  12. GND: Ground Pin

Functional Features

The BQ24161RGER offers several functional features that enhance its performance and usability:

  1. Integrated Charging Solution: The IC integrates a complete charging solution, including power path management, voltage regulation, and current control.
  2. Dynamic Power Management: It dynamically adjusts the charging current based on the input source capability and battery status, ensuring optimal charging efficiency.
  3. Thermal Regulation: The BQ24161RGER incorporates thermal regulation to prevent overheating during charging, thereby enhancing safety and reliability.
  4. Fault Protection: This IC provides comprehensive fault protection mechanisms such as overvoltage protection, overcurrent protection, and short-circuit protection.

Advantages and Disadvantages

Advantages

  • High charging efficiency
  • Compact size for space-constrained designs
  • Wide input and output voltage range
  • Comprehensive protection features
  • Dynamic power management for optimal charging

Disadvantages

  • Limited availability in small quantities
  • Requires careful PCB layout design for optimal performance

Working Principles

The BQ24161RGER operates based on a switching regulator architecture. It regulates the charging process by controlling the charging current and voltage levels. The IC constantly monitors the battery status and adjusts the charging parameters accordingly. It ensures efficient power transfer from the input source to the battery while maintaining safety and reliability.

Detailed Application Field Plans

The BQ24161RGER finds applications in various portable electronic devices, including: - Smartphones - Tablets - Portable media players - Wearable devices - Handheld gaming consoles

Detailed and Complete Alternative Models

  1. BQ24160RGER: Similar to the BQ24161RGER, but with a lower charging current capability.
  2. BQ24163RGER: Similar to the BQ24161RGER, but with additional features such as USB On-The-Go (OTG) support.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de BQ24161RGER en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of BQ24161RGER in technical solutions:

  1. Question: What is the BQ24161RGER?
    Answer: The BQ24161RGER is a highly integrated single-cell Li-Ion battery charger with power path management.

  2. Question: What is power path management?
    Answer: Power path management allows the device to simultaneously charge the battery and power the system from a USB port or an adapter.

  3. Question: What is the input voltage range supported by the BQ24161RGER?
    Answer: The BQ24161RGER supports an input voltage range of 4.35V to 6.45V.

  4. Question: What is the maximum charging current supported by the BQ24161RGER?
    Answer: The BQ24161RGER supports a maximum charging current of 2A.

  5. Question: Can the BQ24161RGER charge multiple battery chemistries?
    Answer: No, the BQ24161RGER is specifically designed for single-cell Li-Ion batteries.

  6. Question: Does the BQ24161RGER have overvoltage protection?
    Answer: Yes, the BQ24161RGER has built-in overvoltage protection to prevent damage to the battery.

  7. Question: Can the BQ24161RGER operate in a wide temperature range?
    Answer: Yes, the BQ24161RGER can operate in a temperature range of -40°C to +85°C.

  8. Question: Does the BQ24161RGER support thermal regulation during charging?
    Answer: Yes, the BQ24161RGER has a thermal regulation feature to prevent overheating during charging.

  9. Question: Can the BQ24161RGER be used in portable electronic devices?
    Answer: Yes, the BQ24161RGER is commonly used in smartphones, tablets, and other portable electronic devices.

  10. Question: Does the BQ24161RGER have a programmable charge current limit?
    Answer: Yes, the BQ24161RGER allows for programmable charge current limit through an external resistor.

Please note that these answers are general and may vary depending on the specific implementation and configuration of the BQ24161RGER in a technical solution.