Datasheet

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IP5306 datasheet
Button & Speaker
ESP32 Chip GPIO39 GPIO38 GPIO37 GPIO25
Button Pin BUTTON A BUTTON B BUTTON C
Speaker Speaker Pin
GROVE Port A & IP5306
We've use the customized I2C version of IP5306, on power management.
Its I2C address is 0x75.
ESP32 Chip GPIO22 GPIO21 5V GND
SDA 5V GND
SCL SDA 5V GND
charging discharging
4.20 ~ 4.07V -> 100%
4.07 ~ 3.81V -> 75%
3.61 ~ 3.88V -> 50% 3.81 ~ 3.55V -> 50%
3.88 ~ 4.12V -> 75% 3.55 ~ 3.33V -> 25%
4.12 ~ / -> 100% 3.33 ~ 0.00V -> 0%
6-Axis MotionTracking Sensor MPU6886
MPU6886 I2C address 0x68
ESP32 Chip GPIO22 GPIO21 5V GND
MPU6886 SCL SDA 5V GND
3-Axis Geomagnetic Sensor BMM150
BMM150 I2C address 0x10
ESP32 Chip GPIO22 GPIO21 5V GND
BMM150 SCL SDA 5V GND
PARAMETER
Resources Parameter
ESP32 240MHz dual core, 600 DMIPS, 520KB SRAM, Wi-Fi, dual mode Bluetooth
M5Stack Docs
GROVE A SCL
IP5306
IP5306 charging/discharging Voltage Parameter
0.00 ~ 3.40V -> 0%
3.40 ~ 3.61V -> 25%