BQ24195RGET
Product Overview
Category
BQ24195RGET belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.
Use
This IC is commonly used in portable electronic devices such as smartphones, tablets, and wearable devices to efficiently charge lithium-ion batteries.
Characteristics
- High charging efficiency
- Fast charging capability
- Integrated power path management
- Thermal regulation and protection
- Programmable charging parameters
Package
BQ24195RGET is available in a small form factor package, typically a 24-pin QFN (Quad Flat No-Lead) package. This package offers good thermal dissipation properties and ease of integration into compact designs.
Essence
The essence of BQ24195RGET lies in its ability to provide a reliable and efficient charging solution for lithium-ion batteries, ensuring optimal performance and safety.
Packaging/Quantity
BQ24195RGET is usually supplied in tape and reel packaging, with a standard quantity of 2500 units per reel.
Specifications
- Input voltage range: 3.9V to 17V
- Charging current range: Up to 4.5A
- Programmable charging voltage and current limits
- Integrated thermal regulation and protection
- Power path management with automatic switchover
- Battery temperature monitoring
- Various status and fault indicators
Detailed Pin Configuration
- VIN: Input voltage pin
- VBUS: USB input voltage pin
- PGND: Power ground pin
- SYS: System output voltage pin
- TS: Battery temperature sense pin
- STAT: Status indicator pin
- EN: Enable control pin
- ISET: Charging current setting pin
- ILIM: Input current limit setting pin
- PROG: Programming pin
- DPPM: D+/D- detection pin
- DCP: USB D+/D- control pin
- TS/DPDM: Battery temperature sense or D+/D- detection pin
- BAT: Battery voltage pin
- SRN: System reset notification pin
- SDA: I2C data pin
- SCL: I2C clock pin
- INT: Interrupt output pin
- TS1: Battery temperature sense pin 1
- TS2: Battery temperature sense pin 2
- TS3: Battery temperature sense pin 3
- TS4: Battery temperature sense pin 4
- TS5: Battery temperature sense pin 5
- GND: Ground pin
Functional Features
- High charging efficiency: BQ24195RGET incorporates advanced charging algorithms to maximize the charging efficiency, reducing energy loss during the charging process.
- Fast charging capability: The IC supports fast charging protocols such as Qualcomm Quick Charge and USB Power Delivery, enabling rapid charging of compatible devices.
- Integrated power path management: This feature allows simultaneous charging of the battery and powering the system, even when the input power source is limited.
- Thermal regulation and protection: BQ24195RGET includes built-in thermal regulation mechanisms to prevent overheating during charging, ensuring safe operation.
- Programmable charging parameters: The IC offers flexibility in setting charging voltage and current limits, allowing customization based on specific battery requirements.
Advantages and Disadvantages
Advantages
- High charging efficiency leads to reduced energy consumption.
- Fast charging capability reduces charging time.
- Integrated power path management enables uninterrupted device usage during charging.
- Thermal regulation and protection ensure safe charging operation.
- Programmable charging parameters offer flexibility for different battery types.
Disadvantages
- Limited availability of alternative models from other manufacturers.
- Relatively higher cost compared to some other charging ICs in the market.
Working Principles
BQ24195RGET operates based on a combination of power management and battery charging techniques. It regulates the charging voltage and current according to the battery's requirements, ensuring efficient and safe charging. The IC also manages the power flow between the input source, battery, and system load, providing seamless operation during charging.
Detailed Application Field Plans
BQ24195RGET finds extensive application in various portable electronic devices, including: - Smartphones - Tablets - Wearable devices (smartwatches, fitness trackers) - Portable gaming consoles - Bluetooth headphones/speakers - Portable medical devices
Detailed and Complete Alternative Models
While BQ24195RGET is a highly capable charging IC, there are alternative models available from different manufacturers that offer similar functionalities. Some notable alternatives include: - LTC4000-1 by Linear Technology - MAX8903CETI+T by Maxim Integrated - MCP73871-2CCI/ML by Microchip Technology - TPS2514A by Texas Instruments
These alternative models can
Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät BQ24195RGET :n soveltamiseen teknisissä ratkaisuissa
Sure! Here are 10 common questions and answers related to the application of BQ24195RGET in technical solutions:
Q: What is the BQ24195RGET? A: The BQ24195RGET is a highly integrated single-cell Li-Ion battery charger with power path management for portable applications.
Q: What is the input voltage range supported by the BQ24195RGET? A: The BQ24195RGET supports an input voltage range from 3.9V to 17V.
Q: Can the BQ24195RGET charge multiple battery chemistries? A: No, the BQ24195RGET is specifically designed for charging single-cell Li-Ion batteries.
Q: What is the maximum charging current supported by the BQ24195RGET? A: The BQ24195RGET can support a maximum charging current of up to 4.5A.
Q: Does the BQ24195RGET have overvoltage protection? A: Yes, the BQ24195RGET has built-in overvoltage protection to prevent damage to the battery during charging.
Q: Can the BQ24195RGET operate while charging the battery? A: Yes, the BQ24195RGET supports simultaneous charging and system operation through its power path management feature.
Q: Does the BQ24195RGET have thermal regulation? A: Yes, the BQ24195RGET includes thermal regulation to prevent overheating during charging.
Q: What is the typical efficiency of the BQ24195RGET? A: The BQ24195RGET has a typical charging efficiency of around 92-94%.
Q: Can the BQ24195RGET be used in portable devices with USB Type-C connectors? A: Yes, the BQ24195RGET is compatible with USB Type-C connectors and can be used in such applications.
Q: Are there any evaluation modules or reference designs available for the BQ24195RGET? A: Yes, Texas Instruments provides evaluation modules and reference designs to help users quickly prototype and implement the BQ24195RGET in their applications.
Please note that these answers are general and may vary depending on specific implementation details and requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for accurate information.