In a DC-DC power circuit, the layout of the PCB is crucial for the implementation of circuit functionality and achieving good performance metrics. Today, we will take the Buck circuit as an example to analyze how to perform a reasonable PCB layout and the considerations in the design. ↓ Click to watch the video explanation … Read more
15W Voice Amplifier Board for Reversing Horn – NVC Voice Module Music Amplifier Functional Features: 1. Operates at a voltage range of 9-24V; 2. The NVC voice chip can be tested on this board, with support for buttons and serial communication; 3. No additional peripheral circuits are required; 4. Power can directly drive loads below … Read more
This article introduces the working principle of a classic microcontroller power circuit, as shown in the figure below. Initial State (Power Off) Before the circuit is powered on, the “TEST” switch is open, and the MCU is not powered by VCC. At this time, the base of transistor T1 is grounded through R9 (100k), keeping … Read more
In the field of embedded hardware design, the DDR power circuit serves as the core power supply unit, and its design quality directly affects chip performance and long-term device stability. The RK3588, as a high-performance processor, has stringent requirements for the layout, routing, and component selection of the VCC_DDR power circuit. This article combines official … Read more