BK3431 Datasheet – Bluetooth 4.0 Single Chip – BEKEN

Part Number: BK3431, BK3431Q32

Function: Highly integrated Bluetooth 4.0 low energy single mode device

Package: QFN 4mmx4mm 32-Pin Type

Manufacturer: Beken Corporation


BK3431 Bluetooth Chip


The BK3431 chip is a highly integrated Bluetooth 4.0 low energy single mode device. It integrates a high-performance RF transceiver, baseband, ARM-core Micro processor, rich feature peripheral units, programmable protocol and profile to support BLE application. The Flash program memory makes it suitable for customized applications.



BK3431 datasheet pinout


1. Bluetooth SIG Bluetooth Low Energy Single-Mode (BLE) compliant

2. Low-power 2.4GHz Transceiver

3. ARM968 Core Micro processor integrated

4. 128KB programmable Flash for Program and 16KB RAM for Data

5. Operation voltage from 1.8 V to 3.6 V

6. -89 dBm sensitivity at 1 Mbps data rate and +4dBm transmit power

7. Current consumption :

(1) Rx operation active at sensitivity level: 21mA
(2) Tx operation active with 0dBm output power: 16mA
(3) Tx operation active with 4dBm output power: 18mA
(4) MCU running with 16MHz clock without Tx/Rx: 5.2mA
(5) MCU IDLE Mode with instantly wake-up: 820uA
(6) MCU IDLE Mode with 1.5ms wake-up time: 10uA
(7) Deep-Sleep Mode with GPIO wake-up: 4uA

BK3431 Datasheet PDF


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