BQ24074RGTRG4 - English Editing Encyclopedia Entry

Product Overview

Use

This product is primarily used for charging lithium-ion or lithium-polymer batteries in various electronic devices such as smartphones, tablets, portable media players, and other portable electronic devices.

Characteristics

Input voltage range: 4.35V to 6.45V
Output voltage range: 3.5V to 4.44V
Charging current: Up to 1.5A
Programmable charge termination current
Thermal regulation and protection
Battery temperature monitoring
Integrated power FET
Small form factor package

Package and Quantity

The BQ24074RGTRG4 is available in a small 20-pin QFN (Quad Flat No-Lead) package. It is typically sold in reels with a quantity of 2500 units per reel.

Specifications

Input Voltage Range: 4.35V to 6.45V
Output Voltage Range: 3.5V to 4.44V
Charging Current: Up to 1.5A
Charge Termination Current: Programmable
Operating Temperature Range: -40°C to +85°C
Package Type: 20-pin QFN

Pin Configuration

The BQ24074RGTRG4 has the following pin configuration:

VIN (Input Voltage)
GND (Ground)
VBAT (Battery Voltage)
TS (Thermal Sense)
ISET (Charge Current Set)
STAT (Status Indicator)
PG (Power Good)
CE (Charge Enable)
PROG (Programmable Charge Termination)
VSS (Ground)
VSS (Ground)
VSS (Ground)
VSS (Ground)
VSS (Ground)
VSS (Ground)
VSS (Ground)
VSS (Ground)
VSS (Ground)
VSS (Ground)
VSS (Ground)

Functional Features

Integrated power FET for efficient charging
Programmable charge termination current for flexible battery charging
Thermal regulation and protection to prevent overheating
Battery temperature monitoring for safe charging
Status indicator (STAT) for visual feedback on the charging process
Power Good (PG) signal to indicate when the battery is fully charged
Charge Enable (CE) pin for controlling the charging process
Small form factor package for space-constrained applications

Advantages and Disadvantages

Advantages

High charging current capability of up to 1.5A
Programmable charge termination current allows customization for different battery types
Integrated power FET simplifies the circuit design
Thermal regulation and protection ensure safe charging
Battery temperature monitoring enhances safety
Small package size enables compact device designs

Disadvantages

Limited input voltage range may not be suitable for all applications
Lack of built-in overvoltage protection

Working Principles

The BQ24074RGTRG4 operates by regulating the charging current and voltage to safely charge lithium-ion or lithium-polymer batteries. It utilizes an integrated power FET to control the charging process. The charge termination current can be programmed to suit different battery capacities and chemistries.

Thermal regulation and protection mechanisms prevent the IC from overheating during charging. The battery temperature is monitored to ensure safe operation. The status indicator provides visual feedback on the charging process, while the power good signal indicates when the battery is fully charged.

Detailed Application Field Plans

The BQ24074RGTRG4 is widely used in various portable electronic devices that require lithium-ion or lithium-polymer battery charging. Some of the common application fields include:

Smartphones
Tablets
Portable media players
Wearable devices
Bluetooth headsets
Portable gaming consoles
Digital cameras
GPS navigation systems
Portable medical devices
Power banks

Detailed and Complete Alternative Models

BQ24075RGTRG4
BQ24076RGTRG4
BQ24077RGTRG4
BQ24078RGTRG4
BQ24079RGTRG4

These alternative models offer similar functionality and features, providing options for different charging requirements and specifications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BQ24074RGTRG4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of BQ24074RGTRG4 in technical solutions:

Q: What is the BQ24074RGTRG4? A: The BQ24074RGTRG4 is a highly integrated single-cell Li-Ion battery charger IC designed for portable applications.
Q: What is the input voltage range of the BQ24074RGTRG4? A: The BQ24074RGTRG4 has an input voltage range of 4.35V to 6.5V.
Q: What is the maximum charging current supported by the BQ24074RGTRG4? A: The BQ24074RGTRG4 supports a maximum charging current of 1.5A.
Q: Can the BQ24074RGTRG4 charge multiple batteries simultaneously? A: No, the BQ24074RGTRG4 is designed to charge a single-cell Li-Ion battery at a time.
Q: Does the BQ24074RGTRG4 have overvoltage protection? A: Yes, the BQ24074RGTRG4 features overvoltage protection to prevent damage to the battery during charging.
Q: Is the BQ24074RGTRG4 compatible with different battery chemistries? A: No, the BQ24074RGTRG4 is specifically designed for Li-Ion battery chemistry and may not be suitable for other types of batteries.
Q: Does the BQ24074RGTRG4 support thermal regulation during charging? A: Yes, the BQ24074RGTRG4 incorporates thermal regulation to prevent overheating during charging.
Q: Can the BQ24074RGTRG4 operate in a wide temperature range? A: Yes, the BQ24074RGTRG4 is designed to operate within a temperature range of -40°C to 85°C.
Q: Does the BQ24074RGTRG4 provide status indication during charging? A: Yes, the BQ24074RGTRG4 has built-in status indication pins to provide information on charging status and fault conditions.
Q: What is the package type of the BQ24074RGTRG4? A: The BQ24074RGTRG4 is available in a 16-pin QFN package.

Please note that these answers are general and may vary depending on the specific application and implementation of the BQ24074RGTRG4 in a technical solution. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.