Battery charger IC targets mobile apps

The bq24150 3-MHz switch-mode battery-charge-management IC for portable electronics enables charging from an adapter or a USB port. The 2 x 2-mm switching charger uses integrated 1.25-A FETs targeting USB-powered applications, such as smart phones, portable media players, or other consumer electronics.

The IC complies with USB charging standards and achieves 92% peak efficiency while supporting a USB battery-charging current up to 900 mA. The device has a 500-mA input current limit, 20-V maximum input voltage, and 6-V operation. The device also offers ±5% input current limit accuracy and ±0.5% voltage regulation accuracy. ($2 ea/1,000 available now.)

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