Ai-Thinker BU03 DW3000 UWB Positioning Module

Description

Ai-Thinker BU03 DW3000 UWB Positioning Module The Ai-Thinker BU03 DW3000 UWB Positioning Module is an advanced solution designed for high-precision indoor positioning and ranging, utilizing Ultra-Wideband (UWB) technology to achieve exceptional accuracy of up to 10 cm. This module is tailored for applications requiring precise location tracking, such as real-time location systems (RTLS), asset management, indoor navigation, and proximity detection. Powered by the Decawave DW3000 chip, the BU03 integrates an on-board PCB antenna, RF circuits, power management, and clock circuits, providing a compact and efficient design that simplifies integration into various Internet of Things (IoT) projects. Features: SMD-24 package. Complies with IEEE 802.15.4-2015 UWB standard. Complies with IEEE802.15.4z（BPRF mode). Supports channel 5 and channel 9. Easy integration without RF design. Integrated MAC support. Extends the range of communication using the RTLS infrastructure. Data rate 850 Kbps, 6.8 Mbps. Supports bidirectional ranging and TDOA and PDOA positioning schemes. Provides accurate positioning and data transmission. Positioning accuracy 10 cm. Supports high label density. Integrated HW AES 256. Support SPI interface. 9 GPIO available. Programmable adjustment of the transmit power. The power supply voltage ranges from 2.5 V to 3.6 V. Power consumption <1uA in sleep mode. For button battery solutions. Specification: Specification Details Model Name BU03 Package SMD-24 Size 23mm× 13mm× 2.5mm (±0.2) mm Antenna Onboard ceramic antenna Center Frequency CH5 (6489.5 MHz), CH9 (7987.2 MHz) Operating Temp. -40°C to +85°C Storage Temp. -40°C to +125°C (< 90% RH) Power Supply 2.5V–3.6V (Typical: 3.3V), Current ≥200mA Interface SPI I/O Pins 9 Pin Configuration: Pin No. Name Function Description Power Domain 1 EXTON Enables external devices during wake-up (controls DC-DC converters in sleep mode) VDD 2 WAKEUP Active-high wake-up signal (ground if unused) VDD 3 RSTN Active-low reset (external leaky drive only, no external pull-up) VDD 4 IO7 GPIO7/SYNC input (default: sync; reconfigurable as GPIO) VDD 5 VDD 1.8V–3.6V power input (≥200mA) VDD 6-7 VCC 2.5V–3.6V power input (≥200mA) VCC 8 GND Ground GND 9 IO6 GPIO6/EXTRXE/SPIPHA (SPI phase select at boot) VDD 10 IO5 GPIO5/EXTTXE/SPIPOL (SPI polarity select at boot) VDD 11 IO4 GPIO4/EXTPA (external power amplifier control) VDD 12 IO3 GPIO3/TXLED (transmit status LED) VDD 13 IO2 GPIO2/RXLED (receive status LED) VDD 14 IO1 GPIO1/SFDLED (frame detection LED) VDD 15 IO0 GPIO0/RXOKLED (good frame LED) VDD 16 GND Ground GND 17 CSN SPI chip select (active-low, also wake-up trigger) VDD 18 MOSI SPI data input VDD 19 MISO SPI data output VDD 20 CLK SPI clock VDD 21 NC No connection – 22 IRQ GPIO8/IRQ (active-high interrupt, requires 100kΩ pull-down) VDD 23 NC No connection – 24 GND Ground GND Application: Indoor navigation and positioning for precise location tracking. Asset tracking and management in warehouses or retail environments. Proximity detection and access control for secure systems. Real-time location systems (RTLS) for industrial or healthcare settings. Smart wearables and IoT devices for location-aware functionality. Inventory management for efficient stock monitoring. Package Include: 1x Ai-Thinker BU03 DW3000 UWB Positioning Module. Datasheet: BU03

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