BQ24773RUYT

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BQ24773RUYT is a new offering from Texas Instruments that offers high current battery management and protection features. This system-level power management IC (PMIC) features a 4-cell battery-management system with up to 5-A charge current capability and is capable of charging various lithium-ion battery packs.

Bq24773RUYT is a cost-effective, four-cell Li-ion/ Li-polymer battery pack solution. It combines a battery charger and up to four cell series batteries into a single high-performance package. Its robust feature set and high performance makes the Bq24773RUYT the ideal choice for applications in the automotive, industrial, medical, and consumer markets demanding long battery life and high power output.

The Bq24773RUYT is a fully integrated power management IC (PMIC) designed for battery charging and protection applications. It integrates a dual-cell battery charger, precision analog-to-digital converter (ADC), and programmable thermal monitor that work together to provide fast charging, high accuracy in detecting battery status, and preventing battery over-temperature. The device features a 4-cell BMS and 4-A (Charge/Max) DC charging current capability. The charge voltage of each cell can be programmed individually up to the maximum of 4.2 volts.

The integrated battery charger of the Bq24773RUYT includes a constant current/constant voltage (CC/CV) algorithm and automatic power-good detection. With Onboard FETs and multiple current source/sink detections, the Bq24773RUYT is well-suited for fast-charging needs. The charger also features dedicated protection pins for detecting over-voltage, over-temperature, and under-voltage conditions. The Bq24773RUYT also includes an Under Voltage Lockout (UVLO) functionality, which aids in safety control.

Additionally, the Bq24773RUYT includes multiple protection features to ensure accurate monitoring of battery pack’s performance. These features include the Over Temperature Protection (OTP), Over Current Protection (OCP), Over Voltage Protection (OVP), and Over Charge Protection (OCP). These protections make the Bq24773RUYT especially suitable for applications where the battery must be safeguarded from harm.

The Bq24773RUYT also supports bidirectional data communication. This feature allows the user to monitor, control, and protect the battery pack’s performance without any external components or monitoring device. A 3.3V I2C digital interface operates at speeds up to 400 kHz. The digital interface provides access to the internal registers of the Bq24773RUYT for the control and interrogation of the charger, battery parameter, and status of the system.

The Bq24773RUYT provides small portable electronic applications with a highly integrated power management IC. The Bq24773RUYT charge circuit’s high efficiency and its smart charging algorithms ensure that the battery is quickly and accurately charged. Moreover, its integrated ADC, programmable thermal monitor and overload protection features make it an ideal choice for system designers and developers.

In summary, the Bq24773RUYT is an excellent PMIC offering from Texas Instruments. It offers a high degree of integration and is well-suited for a wide range of battery-management applications. Its numerous programmable protection and monitoring features make it an ideal choice for even the most demanding and complex systems. As such, it is an excellent solution for applications in the automotive, industrial, medical, and consumer markets.

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