BQ25890HRTWT

Product Overview

Category

BQ25890HRTWT belongs to the category of integrated battery chargers.

Use

This product is primarily used for charging lithium-ion batteries in various electronic devices such as smartphones, tablets, and portable electronics.

Characteristics

• Integrated battery charger with advanced features
• High efficiency and fast charging capability
• Compact package design for space-constrained applications
• Wide input voltage range for versatile usage
• Multiple protection mechanisms for safe charging

Package

BQ25890HRTWT is available in a small and compact 24-pin WQFN package.

Essence

The essence of BQ25890HRTWT lies in its ability to efficiently charge lithium-ion batteries while ensuring safety and reliability.

Packaging/Quantity

This product is typically packaged in reels containing a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 3.9V to 14V
• Charging Voltage Range: 3.6V to 14V
• Charging Current Range: Up to 4A
• Operating Temperature Range: -40°C to 85°C
• Battery Voltage Regulation Accuracy: ±0.5%
• Charge Voltage Regulation Accuracy: ±0.5%

Detailed Pin Configuration

1. VBUS: Input power supply voltage pin
2. PGND: Power ground pin
3. STAT: Status output pin
4. TS: Thermistor input pin
5. ISET: Charge current setting pin
6. PROG: Programming pin
7. BAT: Battery voltage sense pin
8. SRN: System reset input pin
9. SDA: I2C data input/output pin
10. SCL: I2C clock input pin
11. INT: Interrupt output pin
12. TS/NTC: Thermistor input or NTC input pin
13. TS/NTC: Thermistor input or NTC input pin
14. TS/NTC: Thermistor input or NTC input pin
15. TS/NTC: Thermistor input or NTC input pin
16. TS/NTC: Thermistor input or NTC input pin
17. TS/NTC: Thermistor input or NTC input pin
18. TS/NTC: Thermistor input or NTC input pin
19. TS/NTC: Thermistor input or NTC input pin
20. TS/NTC: Thermistor input or NTC input pin
21. TS/NTC: Thermistor input or NTC input pin
22. TS/NTC: Thermistor input or NTC input pin
23. TS/NTC: Thermistor input or NTC input pin
24. TS/NTC: Thermistor input or NTC input pin

Functional Features

• Integrated battery charger with power path management
• Support for various charging modes (pre-charge, fast charge, and termination)
• Programmable charge current and voltage
• Thermal regulation and protection
• Input voltage dynamic power management
• I2C interface for configuration and monitoring

Advantages and Disadvantages

Advantages

• High charging efficiency leads to reduced charging time
• Compact package design allows for easy integration into space-constrained devices
• Versatile input voltage range enables compatibility with different power sources
• Multiple protection mechanisms ensure safe charging and prevent damage to the battery

Disadvantages

• Requires additional external components for complete functionality
• Limited availability of alternative models in the market

Working Principles

BQ25890HRTWT operates by regulating the charging current and voltage to efficiently charge lithium-ion batteries. It incorporates power path management, allowing simultaneous charging and discharging. The device dynamically adjusts the charging parameters based on the battery's state and input power conditions, ensuring optimal charging performance.

Detailed Application Field Plans

BQ25890HRTWT finds applications in a wide range of electronic devices, including: - Smartphones - Tablets - Portable media players - Wearable devices - Bluetooth headsets - Digital cameras - Handheld gaming consoles

Detailed and Complete Alternative Models

While BQ25890HRTWT is a highly capable integrated battery charger, there are alternative models available in the market that offer similar functionality. Some notable alternatives include: - BQ25892HRTWT - BQ25895HRTWT - BQ25896HRTWT - BQ25898HRTWT

These alternative models provide comparable features and can be considered as substitutes for BQ25890HRTWT based on specific requirements.

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