BQ24081DRCTG4

BQ24081DRCTG4 is a monolithic charger IC, part of Texas Instruments’ BQ24xxx family. It is a DC-DC charger, specifically a high-current, two-stage Li-ion battery charger. This IC provides three switching ports and a low-side MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) configuration. The monolithic charger combines advanced power-management techniques, such as precharge, input current limit, and dual temperature protection, with an integrated low-side MOSFET in a small, low-profile 2mm x 2mm QFN package.

BQ24081DRCTG4 is ideal for applications that require high-current charging, such as PDAs, Smartphones, and portable navigation devices. This IC operates from either a wall adapter or USB port, allowing for a wide input range (4.2V to 25Vdc). It allows for adjustable power levels and features an automatic input current limit. This IC also features dual temperature protection, which helps to ensure battery life and safety.

BQ24081DRCTG4 application field and working princple comes down to primarily charging battery-based products. This IC will regulate charging and discharging voltage and currents to ensure optimum efficiency and battery life. The IC is programmable, allowing for flexible charging parameters. The auto-trim and dual temperature protection allows for accurate regulation of charging current, temperature and charge limit, protecting the battery from overvoltage and overcurrent conditions. The integrated low-side MOSFET reduces cost, size, and EMI. The tiny 2mm x 2mm QFN package makes it ideal for space-limited applications.

BQ24081DRCTG4 is a very useful and versatile IC for applications needing efficient and reliable battery charging. It provides wide input usable with either an adapter or USB port, programmable parameters for optimal battery life, and efficient low-side MOSFET design for better EMI. It features rich safety features, such as dual temperature protection, keeping the battery safe from overvoltage and overcurrent conditions. This IC can be used in a wide range of applications, such as PDAs, Smartphones and portable navigation devices.