BQ24002RGWR

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PMIC - Battery Chargers are generally electronic circuits that provide battery power to electrical devices. The BQ24002RGWR is a highly customizable and efficient PMIC for charging single cell lithium polymer based batteries. It is designed specifically for battery-powered applications such as handheld devices and portable electronics equipment.

The BQ24002RGWR device consists of a high-efficiency 500mA synchronous bi-directional buck-boost battery charger, integrated power MOSFETs, an internal power-on reset (POR) circuit, an adjustable external power adapter sense resistor and a number of user programmable options for charging current and termination current, charging voltage, and operating temperature.

The BQ24002RGWRis rated for 0.5A of l charging current and 1A pulse charging current. The device includes a 3.2V high voltage charge pump provide up to 23V input voltage operation. The device will automatically detect the presence of an external power adapter and select the proper output current limit, charge current and charge voltage while providing power path management to enable simultaneous device and battery charging.

The BQ24002RGWR’s output voltage can be programmed through an external resistor divider connected to the Sense pin. This allows the output voltage margin to be altered to adapt to various battery chemistry. This feature also helps to eliminate premature battery termination due to voltage droop over the charging cycle. The device supports pre-charge and termination current safety features to ensure safe and fast charging performance of the battery.

The BQ24002RGWR also has several built-in overload protection features. These include over temperature detection, battery overvoltage protection, output overvoltage protection, and overcurrent protection. The device can be shutdown using the EN/SHDN pin, and the battery temperature can be monitored for over temperature protection. The APS pin can be used to view the status (charged or not charged) of the battery.

The BQ24002RGWR can be used in a variety of applications, including tablets, wearable electronics, gaming systems, power banks, robot vacuums, audio systems, and many more. The device is well suited for charging single-cell Lithium Polymer batteries in portable electronic devices. The device’s high efficiency charging, precise charge termination, and accurate current and voltage regulation make it a great choice for today’s battery-powered designs.

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