LED Light Indication Circuitry
The LED light and resistor are used to connect the LED pin and ground. The LED charging indication light starts to breathe at a speed matching
the battery’s quick-charging pace.
I2C Support
The AP33772S’s supports I2C Interface and is used to communicate with the TCD’s host MCU. The I2C pins are listed below in Table 4 and are
used to set the AP33772S’s register data such as Initialization, PDO, APDO, OCP, OTP, temperature, de-rating, interrupt, and so on. The
AP33772S’s operating status can also be monitored at the same time.
Meanwhile, INT is used as a fault-report channel to the Interrupt input pin of the host MCU, in case of any fault occurrence requiring immediate
action from the host MCU.
For the I2C commands and registers, please refer to Chapter 5.
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