BQ24031RHLR

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Power Management Integrated Circuits (PMICs) such as the BQ24031RHLR are a crucial component of many electronic devices. PMICs are responsible for the efficient and safe distribution of power in a device by providing the optimal current and voltage for each component and ensuring that necessary protection is provided from any potential short circuits or over-voltages. The BQ24031RHLR is a Battery Charger IC specifically designed for Portable Devices such as Smartphones, Wearable Devices, and Tablets.

The BQ24031RHLR is a highly integrated single-chip Li-Ion/Li-Polymer battery charger IC that provides a wide variety of features to ensure efficient, fast, safe, and convenient charging and discharging of portable devices. It is a mono-charge controller with integrated safety features, which can provide up to 1.5A of charging current with input voltage ranging from 4.3V to 28V. The IC includes a buck/boost converter, low-dropout regulator, and protection circuits. The BQ24031RHLR also has a user-programmable trickle charge current and pre-charge current, as well as has a user-programmable fast charge current, to accommodate different battery types.

The BQ24031RHLR is designed to be a flexible system, allowing for the configuration of the charge parameters to match the specific requirements of the system. The device is adjustable with an external resistor and can be easily configured for both Li-Ion and Li-Polymer batteries. It also has an integrated power switch to enable fast charge current and contains protection circuits for output over-voltage, over-temperature, reverse-current, and fault conditions. The device also contains an internal voltage-comparator circuit which can be used to enable direct control of the external MOSFET, thereby eliminating the need for an external PWM signal.

The BQ24031RHLR features a slew rate controller, which senses the battery voltage and adjusts the charge current accordingly. This feature helps to prevent over-voltage as well as thermal runaway during fast charging, and allows the device to automatically limit the charge current while controlling the maximum voltage. The device also features an integrated power switch and contains an automatic sleep mode to reduce quiescent current consumption during sleep.

The BQ24031RHLR is designed to meet the requirements of the latest USB2.0 specification, making it ideal for use in high speed charging applications such as QuickCharge. It is also compliant with the stringent specifications for Battery Chargers for consumer electronics, as defined by ERP and DoE/ENERGY STAR, as well as being compliant with the industry-standard IEC Type-C charging specification.

The BQ24031RHLR is an ideal solution for a wide range of portable devices, from smartwatches and health monitors, to tablets and phones. The device provides high performance charging, with features such as the fast charge current, voltage comparator, and the integrated power switch. Furthermore, the device includes protection circuits to protect the system and battery from any potential over-voltage, over-temperature, or short circuit events. This makes it suitable for a variety of different applications, including the ever-increasing battery needs of the modern smartphone.

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