BQ24109RHLT

Product Overview

The BQ24109RHLT is a high-efficiency, synchronous battery charger with integrated power path management for single-cell Li-Ion and Li-Polymer batteries. This device offers a wide input voltage range, making it suitable for a variety of portable applications. The BQ24109RHLT is designed to provide a compact and efficient charging solution for a range of electronic devices.

Basic Information

• Category: Battery Charger
• Use: Charging single-cell Li-Ion and Li-Polymer batteries
• Characteristics: High efficiency, integrated power path management
• Package: 3mm x 3mm, 20-pin VQFN package
• Essence: Compact and efficient charging solution
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier

Specifications

• Input Voltage Range: 4.5V to 17V
• Charge Voltage: 4.2V
• Maximum Charge Current: 2A
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

1. VIN
2. TS
3. PROG
4. PGND
5. SYS
6. BAT
7. TS
8. TS
9. TS
10. TS
11. TS
12. TS
13. TS
14. TS
15. TS
16. TS
17. TS
18. TS
19. TS
20. TS

Functional Features

• Integrated power path management allows the system to be powered directly from the input source while the battery is being charged
• Thermal regulation and protection for safe and reliable operation
• Programmable charge current and voltage settings for flexibility in different applications

Advantages and Disadvantages

Advantages

• High efficiency charging
• Wide input voltage range
• Compact package size

Disadvantages

• Limited to single-cell battery charging
• May require external components for specific applications

Working Principles

The BQ24109RHLT utilizes a synchronous buck converter to efficiently regulate the charging voltage and current for the connected battery. The integrated power path management ensures that the system can operate even when the battery is being charged, providing continuous power to the load.

Detailed Application Field Plans

The BQ24109RHLT is well-suited for a range of portable electronic devices, including smartphones, tablets, portable media players, and handheld gaming devices. Its compact size and high efficiency make it an ideal choice for space-constrained applications where battery charging is critical.

Detailed and Complete Alternative Models

• BQ24103RHLR
• BQ24113RHLR
• BQ24123RHLR
• BQ24133RHLR

In conclusion, the BQ24109RHLT offers a comprehensive charging solution for single-cell Li-Ion and Li-Polymer batteries, with its high efficiency, integrated power path management, and compact package making it an attractive choice for portable electronic devices.

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