Especificaciones
RTL8723BU‑CG is a single-chip 2.4GHz Wi-Fi + Bluetooth combo integrated circuit developed by Realtek Semiconductor, integrating baseband, RF transceiver, power management unit and MAC layer for compact embedded wireless connectivity solutions.
Suffix Explanation
- RTL8723BU: Core chip model supporting USB 2.0 host interface, 802.11 b/g/n Wi-Fi and dual-mode Bluetooth 4.0
- CG: QFN surface-mount package marking, standard tape-and-reel bulk packaging for automated SMT production
1. Core Wireless Protocol Specifications
Wi-Fi Function
- Compliant with IEEE 802.11b/g/n standard, operates exclusively on 2.4GHz ISM band (2402MHz~2484MHz)
- 1T1R single antenna design, maximum physical layer throughput up to 150Mbps
- Supports Station client mode and SoftAP hotspot mode
- Adaptive frequency hopping and anti-interference algorithm to reduce coexistence interference between Wi-Fi and Bluetooth
Bluetooth Function
- Dual-mode Bluetooth 4.0, compatible with BR/EDR classic Bluetooth and BLE Bluetooth Low Energy
- Backward compatible with Bluetooth V2.1+EDR, V3.0, V3.0+HS
- Supports A2DP audio transmission, HID keyboard/mouse pairing, SPP serial transparent transmission and BLE beacon broadcasting
2. Electrical & Interface Parameters
- Primary host communication interface: USB 2.0 High-Speed, no extra external bus required
- Operating supply voltage: 3.0V ~ 3.6V, typical recommended 3.3V
- Maximum transmit current under full power: below 300mA
- Built-in multiple low-power sleep modes to reduce power consumption for battery-powered terminals
- On-chip integrated crystal oscillator circuit, only an external 40MHz crystal is needed for clock generation
- Reserved multi-function GPIO pins for hardware wake-up, status indication and peripheral control
3. Package & Mechanical Information
- Package type: QFN leadless quad flat no-leads package with exposed thermal pad
- Moisture Sensitivity Level: MSL 3, reflow soldering must be completed within 168 hours after opening the moisture-proof vacuum package
- Exposed bottom pad enhances thermal dissipation during continuous high-power RF emission
- Standard factory shipment adopts tape-and-reel packaging with fixed quantity per reel
4. Environmental & Compliance Standards
- Operating ambient temperature range: -10 ℃ ~ +70 ℃
- Fully lead-free manufacturing, RoHS and REACH compliant without restricted hazardous substances
- Passes FCC, CE certification for wireless emission standards
5. Typical Application Scenarios
USB Wi-Fi Bluetooth adapters for desktop computers and notebook PCs IP cameras, NVR video monitoring equipment and network storage devices Smart set-top boxes, projectors, smart TVs and multimedia playback hardware Smart home gateways, household appliances and IoT wireless sensing terminals Portable speakers, handheld testing instruments and embedded single-board computers
LXB Semicon supplies original Realtek RTL8723BU‑CG Wi-Fi Bluetooth combo IC
