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

Manufactures : 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