
Allicdata Part #: | BQ24073RGTTG4-ND |
Manufacturer Part#: |
BQ24073RGTTG4 |
Price: | $ 1.06 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC LI-ION CHARGE MGMT 16-QFN |
More Detail: | Charger IC Lithium-Ion 16-QFN (3x3) |
DataSheet: | ![]() |
Quantity: | 1000 |
500 +: | $ 0.97020 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Battery Chemistry: | Lithium-Ion |
Number of Cells: | 1 |
Current - Charging: | Constant - Programmable |
Programmable Features: | Current, Timer |
Fault Protection: | Over Temperature, Over Voltage, Reverse Current, Short Circuit |
Charge Current - Max: | 1.5A |
Battery Pack Voltage: | 4.2V |
Voltage - Supply (Max): | 6.4V |
Interface: | USB |
Operating Temperature: | -40°C ~ 125°C (TJ) |
Package / Case: | 16-VFQFN Exposed Pad |
Supplier Device Package: | 16-QFN (3x3) |
Base Part Number: | BQ24073 |
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BQ24073RGTTG4 is a three-state or convenient fast-charging Li-ion battery charging device from Texas Instruments. It is a highly integrated Power Management and Integrated Circuit (PMIC) that can charge a single-cell Li-ion battery from either a USB port or an external DC power supply. Here we will discuss about the application field and working principle of BQ24073RGTTG4.
Application Field
BQ24073RGTTG4 is suitable for a variety of electronics and portable devices, especially for wearables and mobile devices that require an efficient, cost-effective and safe Li-ion battery charging solution. This device is also suitable for medical and industrial products, such as healthcare and industrial control systems. It\'s also used as an alternative to costly battery charging solutions in power banks.
Additionally, BQ24073RGTTG4 is designed to reduce the solution size and cost of the portable device while maintaining high levels of efficiency. This is possible due to the compact package size of the device, which is just 2.8mm x 3.2mm. The device also features a variety of features such as protection circuits, constant current and constant voltage, built-in thermal protection, and programmable power stages.
Working Principle
BQ24073RGTTG4 is a high performance, cost-effective three-state Li-ion battery charging device. Its main feature is that it can switch between constant current (CC) and constant voltage (CV) charge modes depending on the external power source used by the device. This is possible due to the integrated external power select switch with integrated input voltage regulation.
The device utilises the Charge Control Input pin to switch from CC to CV charging mode. In CC mode, the device can charge the battery at a rate of 350mA to 1.5A. In CV mode, it can accommodate up to 3A of charging current. Additionally, the device features an integrated dynamic power management (DPM) which adjusts the charging parameters as the battery voltage and discharge rate changes to ensure that optimal charging conditions are met.
The device also features protection features such as overvoltage protection, undervoltage lockout, and overcurrent protection. It also provides thermal regulation to protect the device against temperature overloads. Furthermore, the device helps in maintaining the battery’s safety by monitoring current and voltage. This helps to prevent the battery from overeating. Finally, the device also supports trickle charging, which helps to maintain the battery at full charge.
Conclusion
BQ24073RGTTG4 is a high performance and cost-effective three-state Li-ion battery charging device. It is suitable for a variety of electronics and portable devices, such as wearables, medical and industrial products, as well as power banks. This device utilises Charge Control Input pin to switch from CC to CV charging mode. It also features an integrated dynamic power management (DPM) which adjusts the charging parameters as the battery voltage and discharge rate changes. Additionally, it comes with various protection features such as overvoltage protection, undervoltage lockout, overcurrent protection and thermal regulation. Lastly, it supports trickle charging which helps to maintain the battery at full charge.
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