In recent years, the application fields and forms of robots have developed rapidly, from homes, restaurants, to shopping malls, hotels, to warehousing and logistics, and industrial equipment manufacturing, they are almost everywhere. What is particularly noteworthy is that in recent years, robots are gradually transforming from automation to intelligence and autonomy, and intelligent robots with self-learning capabilities are subverting human’s traditional perception of robots.
According to the “White Paper on the Development of Technology and Industry in the Intelligent Robot Industry (2023 Edition)”, the global intelligent robot market size will exceed US$50 billion in 2022 and will exceed US$66 billion in 2024. Among them, as China’s industrial digital transformation continues to deepen, the scale of China’s intelligent robot market is expected to reach US$25.1 billion in 2024, with a CAGR of
2. Cleaning system: The motor control chip controls the rotation speed and strength of the side brush and the main brush, as well as the wiping strength of the mopping cloth (sweeping and mopping in one), ensuring that the cleaning effect is both thorough and energy-saving, and can also control the water output of the mopping pump to ensure that the mopping effect is uniform and does not leave water stains. The motor control chip is closely integrated with the algorithm to achieve strong vacuuming while minimizing operating noise.
Recommended selection: brushed motor driver chip GD30DR300x
Mainly used in water pumps and water electrolysis modules.
Recommended selection: brushless motor driver chip GD30DR8306/8413
This product series integrates three individually controllable half-bridge drivers with a wide voltage input range of 4.5-30V. Among them, GD30DR8413 integrates a power stage with a peak drive current of up to 3A. In addition, it also integrates a voltage-stabilizing bootstrap circuit for providing high-voltage side gate drive current, integrated power supply undervoltage lockout, overtemperature protection, and protection functions such as MOSFET direct pass, which can prevent integrated circuits and systems from being damaged due to failures. It is mainly used in brushless motor scenarios such as the main brush, side brush, and vacuum cleaner of sweeping robots.
3. Power management system: including lithium battery charging and discharging control (MOS control, battery direct supply), AFE, fuel gauge, etc. Excellent power management can significantly improve the endurance of the device.
Recommended selection: Lithium battery charging chip GD30BC2501
The sweeping robot is a typical application scenario where four lithium batteries are used in series. The charging management chip will be on the sweeping robot motherboard or on the charging dock, responsible for managing the lithium battery charging curve to achieve efficient and safe charging. GD30BC2501 can charge 4/6 lithium batteries, with a wide input voltage of up to 32V; supports charging functions such as pre-charging, constant voltage and constant power, and supports switch charging up to 5A. Provide overcurrent protection, battery over-temperature and under-temperature protection, overvoltage and undervoltage protection, thermal shutdown and other safety protection measures; charging efficiency is as high as 95%.
Recommended selection: DC-DC buck chip GD30DC1350/1500
This product is often used in a primary buck circuit, with a maximum input voltage of 28V/40V and an output current of 3A.
Recommended selection: LDO chip GD30LD2000/2010/240x
The characteristics of this series of LDO Low Iq can meet the low power consumption requirements of the sweeping robot in standby state. Among them, GD30LD2000/2010 is mainly used for the secondary buck circuit, with a maximum output of 300mA and 500mA. The quiescent current of GD30LD2000 is 0.8uA when lightly loaded, ±2% output voltage accuracy, <0.1uA shutdown current; thermal shutdown protection and current limiting protection; GD30LD240x is a high-performance LDO with high voltage and low power consumption, with an input voltage of up to 36/45V and an output current range of 250mA~350mA, which is often used in the primary buck circuit.
Recommended selection: signal chain chips GD30AP321/358/324, GD30AP8631, GD30CP331
GD30AP321/358/324 are general-purpose op amps, GD30AP8631 is a medium-high speed op amp, and GD30CP331 is a general-purpose comparator, which can realize external detection of motor current and feed back the detection results to the MCU chip.
4. Perception system: In order to accurately identify the environment, avoid obstacles and navigate efficiently, the sweeping robot integrates multiple types of perception elements including gyroscopes, ultrasonic sensors, DTOF (direct time of flight) ranging sensors, infrared sensors and LDS (laser ranging sensors). The collaborative work of these high-precision sensors depends on efficient data processing chips to achieve real-time capture and accurate analysis of environmental information.
Recommended selection: Value-added MCU series chips GD32E230/E235 and GD32F3x0
mcu/entry-level-mcus/gd32e23x-series” style=”font-size: 16px; text-decoration: underline;”>GD32E230/E235 is based on the Cortex®-M23 core, with a main frequency of 72MHz, equipped with 16KB to 128KB of embedded flash memory and 4KB to 16KB of SRAM, with strong electrostatic protection and anti-interference capabilities, high reliability, and can be applied to acceleration sensors, Hall sensors, ultrasonic sensors, etc.
mcu/entry-level-mcus/gd32f3x0-series” style=”font-size: 16px; text-decoration: GD32F3x0 is based on the Cortex®-M4 core, a general entry-level ultra-high cost-effective chip with excellent performance, rich peripherals, and a main frequency of up to 72/84/108MHz. It is equipped with 16 to 128K Flash and 4 to 16K SRAM, which can be used for LDS laser ranging sensor data acquisition, processing and control decision-making; GD32E230/E235 and GD32F3x0 series chip products maintain perfect software code and hardware pin compatibility, and developers can flexibly choose to switch according to actual system requirements.
5. Control system: MCU and SoC and other main control chips not only need to carry complex algorithm operations, but also need to coordinate the seamless connection of various functional modules. Combined with data storage support, the main control chip is responsible for parsing perception data, formulating navigation and cleaning strategies, and adjusting the machine status in real time to ensure efficient execution of cleaning tasks.
Recommended selection: mainstream MCU series chip GD32F30x and high-performance MCU series chip GD32E50x
mcu/main-stream-mcus/gd32f30x-series” style=”font-size: 16px; text-decoration: underline;”>GD32F30x is based on the Cortex-M4 core, a general mainstream chip with a maximum main frequency of 120MHz, 128 to 3072KB Flash, 48-96KB SRAM, and integrates a rich interconnection interface, such as UART, SPI, QSPI, I2C, I2S, SDIO, CAN, USB OTG FS, EXMC and Ethernet, which can efficiently and flexibly control multiple independent modules to meet the needs of complex system development.
mcu/main-stream-mcus/gd32e502-series” style=”font-size: 16px; text-decoration: GD32E50x is based on the Cortex®-M33 core, with a maximum main frequency of 180MHz, equipped with 128KB to 512KB Flash, 80KB to 128KB SRAM, supports dual bank read and write synchronous operations, and is equipped with a hardware trigonometric function accelerator TMU to improve the processing efficiency of mathematical operations, support multiple high-precision PWM signal outputs, integrate high-performance ADC and high-speed comparators, further enhance peripheral connectivity (USB OTG HS, CAN FD, SQPI, etc.), and has high noise resistance (ESD 6Kv). It is very suitable for data-intensive, algorithm-intensive, and transmission-intensive high-precision industrial control and consumer application scenarios.
Recommended selection: GD25/55 series SPI NOR Flash
GD25/55 series SPI NOR Flash has a wide capacity coverage, clock frequency supports 133Mhz and above, IO interface supports 1 line/2 lines/4 lines/8 lines, and supports DTR function. NOR Flash is often used with the voice module and radar module of the sweeper.
Recommended selection: GD5F series SPI NAND Flash
GD5F series SPI NAND Flash, capacity supports 1Gb/2Gb/4Gb, clock frequency 133Mhz, built-in ECC function, generally used with SoC solutions for the navigation module of the sweeper.
Recommended selection: GDQ series DDR4 and GDP DDR3L
GDQ series DDR4, capacity supports 4Gb/8Gb, rate 2400/2666/3200Mbps
GDP series DDR3L, capacity supports 2Gb/4Gb, rate 1866/2133Mbps
Used as the main memory for SoC solutions.
6. Base station system: generally has automatic dust collection, automatic water supply and discharge, rag cleaning, drying and antibacterial functions, further reducing housework and freeing hands.
Recommended selection: brushed motor driver chip GD30DR300x
Mainly used in water pumps, drying, hot air sterilization and other systems.
Recommended selection: Value-for-money MCU series chips GD32E230/E235 and GD32F3x0
Used as base station system control chips.
In summary, GigaDevice has occupied an important market position in the current application field of sweeping robots with its comprehensive technology layout, excellent product performance, rich and complete ecosystem, and timely support service response. Looking to the future, GigaDevice will continue to innovate and further promote the development of intelligence in this field.
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