Beken BK7238 Wi-Fi & BLE 5.2 SoC for Smart Home & Lighting
From ₹110.00
The BK7258 is a cutting-edge, highly integrated 1×1 single-band 2.4 GHz Wi-Fi 6 (802.11b/g/n/ax) and Bluetooth 5.4 Low Energy (BLE) combo solution tailored for high-security and resource-intensive applications. Featuring a 32-bit ARMv8-M Star MCU and a wide array of peripheral interfaces, the BK7258 is perfectly suited for advanced Internet of Things (IoT) applications.
The BK7258 boasts state-of-the-art security built on a robust security architecture. It includes an integrated IoT Platform Security Suite (IPSS) for enhanced password and system security controls. The IPSS incorporates comprehensive and robust security features, creating a highly secure execution environment for IoT devices.
Utilizing advanced design techniques and ultra-low-power process technology, the BK7258 delivers a highly integrated, efficient, and secure solution with minimal power consumption. This makes it ideal for advanced IoT applications, including IP cameras, HMI applications, smart locks, etc.
Overview
The BK7238 is a highly integrated single-chip Wi-Fi 802.11n and Bluetooth Low Energy (BLE) 5.2 combo solution designed for applications that require low power and compact size. The integration of a powerful 32-bit MCU and a comprehensive set of peripherals and interfaces makes the BK7238 ideal for advanced Internet of Things (IoT) applications.
Using advanced design techniques and process technology, the BK7238 delivers high integration and minimal power consumption in an extremely small package for smart lighting, smart home, indoor positioning, and other complex IoT applications.
Features
Wi-Fi
• IEEE 802.11 b/g/n 1×1 compliant
• Supports 20 MHz channel
• STBC supported
• Operating modes: STA and SoftAP
• Concurrent SoftAP + STA
• TX power up to +19 dBm
• RX sensitivity -99 dBm
Bluetooth Low Energy
• Bluetooth Low Energy (LE) 5.2
• Supports Bluetooth Low Energy, 1 Mbps, 2 Mbps, and long range (125 kbps and 500 kbps)
• Advertising extensions
• Bluetooth direction finding: Angle of Arrival (AoA) and Angle of Departure (AoD)
• Supports an antenna array with up to 16 antennas for precise positioning
CoreÂ
• 32-bit MCU at up to 160 MHz
• UART flash download• JTAG debug interface
Memory
• 2 MB SiP flash
• 288 KB RAM
• 4-byte eFuse
Clock Management
• External oscillator: 26 MHz crystal oscillator (XTALH)
• Internal oscillator: 26 ~ 160 MHz digitally controlled oscillator (DCO), 32 kHz ring oscillator (ROSC)
• 480 MHz DPLL
Power Management
• 2.7 to 3.6 V VBAT supply
• On-chip power-on reset (POR) and brown-out detector (BOD)
• Embedded LDO regulators
• Low power consumption:
– Active mode RX: 40 mA
– Deep sleep mode: 10 μA
– Low voltage sleep mode: 90 μA
– Shutdown mode: 0.5 μA
Peripherals
• GPIOs: 19 in QFN32, 9 in QFN20
• 1x SPI
• 2x UART: 1 with Flash download support
• 1x I2C
• 1x general-purpose DMA controller (GDMA) with 6 channels
• 6x 32-bit PWM
• 10-bit SAR ADC, up to 6 channels
• 6x general-purpose 32-bit timer
• 1x watchdog timer
• 1x real-time counter (RTC)
• 1x temperature sensor
• 1x true random number generator (TRNG)
Packaging
• QFN32 package, 4 x 4 mm
• QFN20 package, 3 x 3 mm
• Operating temperature range: -40 to +105°C
For documentation and help, refer to our Knowledge Base section
Beken is the official brand name of Bekencorp.
| Package | BK7238 QN201A, BK7238 QN321A |
|---|
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