BEKEN Bluetooth chip BK3436T

Bluetooth 5.2 (BR/LE) and 2.4GHz proprietary protocols, targeting automotive applications. It integrates a high-performance Bluetooth 5.2/2.4GHz RF transceiver, a feature-rich baseband processor, a memory controller, multiple analog and digital peripherals, and Bluetooth and 2.4GHz proprietary protocol stacks. BK3436T adopts advanced design technology and ultra-low power consumption process technology to provide high integration and lowest power consumption for automotive applications. In addition, the BK3436T meets the AEC-Q100 standard Grade 2 temperature range (-40 to 105°C) requirements, providing reliable performance in harsh environments such as on-board units of electronic toll collection systems ETC.

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Product Introduction&Application Fields

product details

1.Bluetooth+ 2.4 GHz exclusive

Bluetooth 2 and 2.4 GHz proprietary protocols

Supports Basic Rate (BR), Low Energy (LE) 1 Mbps, 2 Mbps and long range (125 kbps and 500 kbps)

Supports 4 GHz proprietary protocols 1 Mbps, 2 Mbps and 250 kbps

TX power up to +10 dBm

Receive sensitivity-95 dBm

Bluetooth direction finding: angle of arrival (AoA) and angle of departure (AoD)

Supports antenna arrays with up to 16 antennas to achieve precise indoor positioning

2. Kernel and memory

32-bit RISC MCUs up to 64 MHz

Embedded 512 KB Flash with ECC (Error Correcting Code) and readout protection

64 KB RAM

8 KB cache

UART/JTAG for debugging and downloading

3. Clock management

External oscillator: 16 MHz crystal oscillator (X16M), 32.768 kHz crystal oscillator (X32K)

Internal Oscillator: 32 kHz Ring Oscillator (ROSC)

64 MHz Phase Locked Loop

4. Energy management

8 to 3.6 V VCCBAT power supply

9 to 1.5 V VBAT1V power supply

On-chip power-on reset (POR) and brown-out detector (BOD)

Embedded DC-DC converters (boost mode and buck mode) and LDO regulators

Low power consumption

5. Peripherals

32 GPIOs

3 SPI

3 UARTs: 1 supports flash download, 2 supports 7816 protocols

1 I2C

1 CAN2.0B/CAN FD

1 general purpose DMA controller (GDMA) with 6 channels

6 32-bit PWM

1 audio analog-to-digital converter

12-bit SAR ADC, up to 5 channels

6 general-purpose 32-bit timers/counters

2 watchdog timers

1 real-time counter (RTC)

1 infrared interface

1 temperature sensor

1 true random number generator (TRNG)

6.Packaging

QFN48 package, 6 x 6 mm

Operating temperature range: -40 to +105 °C

application areas

car key

Product specifications

Registration

BEKEN