MC32BC3770 - NXP

MC32BC3770 2.0A switch-mode charger

of many of these pins can be found in the Functional Pin Description section beginning on page 13. Table 2. BC3770 pin definitions Pin Pin name Pin function Formal name Definition A1, A2 A3 A4 A5 B1 B2 B3 B4 VBUS VL SCL SDA PMID BOOT BATSNSN VIO Input Output Input Input/ Output Output USB/DCP Adapter Input Connect the pins to the output of USB or.

Features

single input with a 20 V withstanding input and charges the battery with the current up to 2.0 A. The charging parameters and operating modes are fully programmable over an I2C Interface that operates up to 400 kHz. The BC3770 is a highly integrated synchronous switch-mode charger, featuring integrated OVP and Power FETs. The charger and boost regulator circuits switch at 1.5 MHz to minimize the size of external passive components. The BC3770 is able to operate as a boost regulator for USB-OTG function via either I2C command or an external pin from the host/processor. The BC3770 is available i.