The chip model used by Gree inverter board U205 is ATMEGA328P-AU.
It is an 8-bit AVR microcontroller chip produced by Atmel Corporation, which has powerful processing power and low power consumption characteristics, and is widely used in various embedded systems. ATMEGA328P-AU chip adopts AVR RISC architecture, has 32KB Flash memory, 2KB SRAM and 1KB EEPROM, and also has a variety of interfaces and peripheral devices, such as UART, SPI, I2C, ADC and so on. It also supports a variety of clock sources, including external crystals, internal RC oscillators, and external clock sources to meet the needs of different application scenarios. In Gree inverter board U205, ATMEGA328P-AU chip as the main control chip, responsible for controlling various functions and parameters of the inverter, in order to achieve more efficient, stable and energy-saving motor control.
The Gree Inverter U205 is a microcontroller chip that uses a 32-bit ARM Cortex-M4 core processor. The chip has highly integrated control and processing capabilities to support the control needs of a variety of occasions. At the same time, the chip integrates rich analog and digital interfaces, which can realize the connection and control of rich peripheral devices.
It integrates a variety of protection and monitoring functions, such as overcurrent protection, short-circuit protection, temperature monitoring, etc., to ensure the stability and safety of the system. The chip is widely used in Gree air conditioning frequency control board, household appliance control and other fields, bringing higher control accuracy and efficiency to the product.
Gree inverter U205 uses the RX22T microcontroller of Renesas as the main control chip.
This chip has the characteristics of high performance, low power consumption, high precision, high speed, etc., which can meet the needs of inverter control.
In the field of home appliances, frequency conversion technology has been widely used, which can greatly improve the energy efficiency of electrical appliances, but also reduce noise and disturbance. The frequency conversion chip is the core component of frequency conversion technology, and its performance directly affects the quality and service life of the entire electrical appliance.
Therefore, electrical manufacturers need to choose high-quality frequency conversion chips, and conduct reasonable design and testing to ensure product quality and performance.
Gree inverter board U205 is an electrical control board, mainly using STM32F103RET6 chip as the control core, with strong processing performance and stability, can support a variety of control algorithms and application scenarios.
The chip integrates a wealth of peripheral modules, such as ADC, DAC, timer, PWM, communication interface, etc., supports a variety of communication protocols, such as CAN, UART, SPI, I2C, etc., and can be flexibly connected and controlled with external sensors, actuators and other devices. In addition, the U205 also supports the use of Gree's self-developed intelligent frequency conversion technology to achieve more efficient, energy-saving and intelligent energy management and control, and has a variety of safety protection functions to ensure safety and reliability during use.
It uses a Shlan SC32F58128 chip
As the core frequency conversion control MCU chip of frequency conversion air conditioning, Shilan SC32F58128 chip is the first domestic chip that has truly achieved mass production
Chip power supply 3.3V Chip power supply 3.3V GND GND NC null GND GND GND GND DC voltage detection signal input
n Switching power supply circuit: The switching power supply chip is used to periodically control the on-off of the internal switching device to adjust the output required by the stable low-voltage voltage source to provide the back-end