BQ7790512PWR

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The BQ7790512PWR is a device in the Power Management Integrated Circuit (PMIC) – Battery Management category, specifically designed for high-end consumer electronics products.

PMIC devices are used to manage, monitor and optimize power distribution in consumer electronics applications. This includes providing power conditioning, power routing, regulation and monitoring. BQ7790512PWR is a highly integrated smart battery management device and is targeted at applications such as mobile phones, laptops, commercial and consumer products.

The BQ7790512PWR is a Power-Path Management IC and it is optimized to provide battery voltage and temperature monitoring and protection. It has two operating modes – system power mode, when the AC adapter is connected, and battery power mode, when the battery is disconnected. In system power mode, the on-chip power FET turns on and supplies as much power to the system as it needs. In battery power mode, the on-chip power FET turns off and the system is powered by the battery, allowing the battery to charge. The feature set of the BQ7790512PWR allows for the optimization of power routing from adapter to system and battery.

The primary features of the BQ7790512PWR include:

• System, Battery, and Protection Monitoring
• High-Side SMS Power FET Control
• Flexible Battery Pack Management
• Charge Termination and Trickle Charge Control
• Periodic Charge and Discharge
• Indication of Charge State
• Support for USB 2.0

The BQ7790512PWR’s system, battery and protection monitoring is accomplished with the aid of two voltage monitoring lines and an optional temperature sensing line. These lines are used to detect system and battery voltages, as well as to provide over-voltage protection and under-voltage protection. The high-side SMS power FET control allows for configurable delivery of power from source to the system through a low-resistance internal power FET.

The BQ7790512PWR also provides flexible battery pack management, allowing for up to three packs in a single application. Battery packs are connected in either a series or parallel connection and the resulting voltage and current levels are used to appropriately charge the battery. The BQ7790512PWR also provides charge termination and trickle charge control, allowing for efficient charging of the connected battery packs. An indicator pin is also provided to give a visual indication of the battery’s charge state.

The BQ7790512PWR also provides support for USB 2.0 for applications that require USB port charging. Support for USB 2.0 allows for fast data transfer and charging of connected devices. This device also provides support for tailoring of the power profile for specific applications – allowing for power optimization.

In summary, the BQ7790512PWR is a highly integrated and optimized power management integrated circuit in the battery management category. It is specifically designed to provide power routing, monitoring, protection, and optimization of battery charging and discharging in consumer electronics applications.

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