The TG7121B is a Bluetooth Mesh chip developed by Tmall Genie for small smart home appliances. It features a minimalist circuit design, excellent radio frequency (RF) performance, an industrial-grade operating temperature range of -40°C to 85°C, and an easy-to-manufacture SOP16 encapsulation.
Product details
Overview
The TG7121B is a custom Bluetooth 5.0 chip designed for the Tmall Genie ecosystem. It integrates on-chip peripherals, such as E-Fuse, UART, SPI, I2C, and PWM, and provides 512 KB of Flash and 64 KB of SRAM. The chip supports the Tmall Genie Mesh access protocol and the T-Head YOC basic software platform. The TG7121B allows products to connect to Tmall Genie and enable smart features quickly and easily.
Advantages
Excellent RF performance: -97 dBm receiving sensitivity and a maximum transmit power of 10 dBm.
Simplified circuit design: The minimum system requires only three peripheral components and features a single-point antenna design.
Rich on-chip resources: 2 UARTs, 6-channel PWM, and DMA.
Easy-to-manufacture encapsulation: SOP16 encapsulation that supports single-layer PCB design.
Product attributes
Parameter | Metrics |
Bluetooth standard | Bluetooth 5.0 |
Power consumption (DC-DC) | 4.3 mA at 0 dBm TX, 4.5 mA RX, 1.1 uA Deep Sleep |
Power consumption (LDO) | 11 mA at 0 dBm TX, 11.5 mA RX, 1 uA Deep Sleep |
Maximum clock speed | 64 MHz |
Storage resource | 512 KB Flash, 64 KB RAM |
GPIO | Up to 9 GPIO ports |
Number of serial ports | 3 × UART, 2 × SPI, 2 × I2C |
Other resources | 4 × PWM, 8 × DMA, RTC, Timer |
Applications
Electrical and lighting
Smart home appliances
Health equipment
Developer resources
Chip resource download
Chip applications are intended for professional solution providers and R&D engineers. For design resources, visit the TG7121B Resource Center.
For business inquiries and partnerships, contact zirong.jt@alibaba-inc.com.