Texas Instruments
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BQ24081DRCR
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BQ24081DRCR

Introduction

The BQ24081DRCR is a battery charger IC designed for portable applications. This device belongs to the category of power management integrated circuits (PMICs) and is commonly used in various portable electronic devices such as smartphones, tablets, and portable media players. The BQ24081DRCR is known for its compact package, high efficiency, and versatile charging capabilities.

Basic Information Overview

  • Category: Power Management Integrated Circuit (PMIC)
  • Use: Battery charger for portable electronic devices
  • Characteristics: Compact size, high efficiency, versatile charging capabilities
  • Package: VSON-10
  • Essence: Efficient and reliable battery charging
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.35V to 6.5V
  • Charge Voltage: 4.2V
  • Maximum Charge Current: 1.5A
  • Termination Current: 10% of the maximum charge current
  • Preconditioning Current: 10% of the maximum charge current
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The BQ24081DRCR features the following pin configuration: 1. VIN (Input voltage) 2. TS (Thermal shutdown) 3. PROG (Charge current programming) 4. PG (Power good indicator) 5. STAT (Charge status output) 6. BAT (Battery connection) 7. GND (Ground) 8. SYS (System output) 9. TS/NTC (Thermal shutdown or NTC thermistor input) 10. ISET (Input current limit)

Functional Features

  • Integrated power FET and current sensor
  • Thermal regulation and protection
  • Programmable charge current
  • Automatic recharge
  • Power good output indication

Advantages and Disadvantages

Advantages

  • Compact package
  • High efficiency
  • Versatile charging capabilities
  • Integrated power FET and current sensor

Disadvantages

  • Limited maximum charge current compared to some alternatives
  • Requires external components for thermal regulation

Working Principles

The BQ24081DRCR operates by regulating the charging current and voltage to ensure safe and efficient charging of lithium-ion batteries. It incorporates a power FET and current sensor to manage the charging process while providing thermal regulation and protection to prevent overheating and ensure safe operation.

Detailed Application Field Plans

The BQ24081DRCR is widely used in portable electronic devices such as smartphones, tablets, portable media players, and handheld gaming devices. Its compact size and versatile charging capabilities make it suitable for a broad range of battery-powered applications.

Detailed and Complete Alternative Models

Some alternative models to the BQ24081DRCR include: - BQ24075 - BQ24072 - BQ24105

In conclusion, the BQ24081DRCR is a versatile and efficient battery charger IC designed for portable electronic devices. Its compact package, high efficiency, and integrated features make it a popular choice for various battery-powered applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BQ24081DRCR v technických řešeních

  1. Question: What is the input voltage range for BQ24081DRCR?
    Answer: The input voltage range for BQ24081DRCR is 4.35V to 6.5V.

  2. Question: What is the maximum charge current supported by BQ24081DRCR?
    Answer: BQ24081DRCR supports a maximum charge current of 1A.

  3. Question: Can BQ24081DRCR be used for charging single-cell lithium-ion or lithium-polymer batteries?
    Answer: Yes, BQ24081DRCR is designed for charging single-cell lithium-ion or lithium-polymer batteries.

  4. Question: What is the thermal regulation feature in BQ24081DRCR?
    Answer: BQ24081DRCR includes thermal regulation to limit the die temperature during high power operation or high ambient temperature conditions.

  5. Question: Does BQ24081DRCR support USB On-The-Go (OTG) functionality?
    Answer: Yes, BQ24081DRCR supports USB OTG functionality for supplying power to the USB port.

  6. Question: What is the standby current consumption of BQ24081DRCR?
    Answer: The standby current consumption of BQ24081DRCR is typically 15µA.

  7. Question: Can BQ24081DRCR operate with an external power FET?
    Answer: Yes, BQ24081DRCR can operate with an external power FET for higher charge current applications.

  8. Question: What is the battery detection feature in BQ24081DRCR?
    Answer: BQ24081DRCR includes battery detection to determine if a battery is present before enabling the charge function.

  9. Question: Is BQ24081DRCR suitable for portable and handheld devices?
    Answer: Yes, BQ24081DRCR is suitable for portable and handheld devices due to its compact size and low power consumption.

  10. Question: Can BQ24081DRCR be used in automotive applications?
    Answer: Yes, BQ24081DRCR is suitable for automotive applications, provided it meets the necessary automotive standards and requirements.