BQ24088DRCT

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BQ24088DRCT is a high efficiency, high power, highly integrated Bi-directional Battery Charger IC designed for portable device applications such as Tablet PC, PDA and mobile phones. It is a combination of an advanced linear power path management IC with a constant-frequency step-up DC/DC converter and a constant-frequency step-down DC/DC converter. The DC/DC converter can be enabled or disabled controlled by the system logic.

The BQ24088DRCT includes a dedicated 2.3V auxiliary linear regulator and a battery regulation element, which can accurately maintain the battery pre-charge and regulation voltage of 4.0V/4.2V/4.35V with a ±1% accuracy. An adjustable battery pre-charge voltage is also provided for accurate battery control.

The power path management controller provides the upper and lower limits of input voltage, preventing overvoltage or undervoltage condition. When either limit is reached, the power path management controller clamps the input voltage and releases it only when it reaches the intermediate level. The current limit of the input side is also adjustable.

The BQ24088DRCT can quickly charge a battery from a battery up to a 2A rate and provides a pre-regulated charging current up to 4A for fast charging. It also provides a very low standby current for battery preservation.

The BQ24088DRCT features a relay control signal to enable/disable the external power switch at the battery. This feature helps to prevent overcharge, overdischarge and overcurrent protection when the charger is in the standby mode.

In summary, the BQ24088DRCT is an ideal solution for low power applications, providing the flexibility to develop a wide range of battery charging solutions. Its advanced features enable it to maintain battery charge levels and ensure a safe and reliable charging process.

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