Block Diagram; Power Supply - Arduino Portenta C33 Product Reference Manual

4.1 Block Diagram

An overview of the Portenta C33 high-level architecture is illustrated in Figure 1.

4.2 Power Supply

The Portenta C33 can be powered through one of these interfaces:
USB-C® port
3.7V single cell lithium-ion/lithium-polymer battery, connected through the onboard battery connector
External 5V power supply connected through the MKR-styled pins
The recommended minimum battery capacity is 700 mAh. The battery is connected to the board via a
disconnectable crimp style connector as shown in Figure 4. The battery connector part number is BM03B-ACHSS-
GAN-TF(LF)(SN).
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Figure 1. High-level architecture of the Portenta C33
Arduino® Portenta C33
Arduino® Portenta C33
Modified: 14/03/2023