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LB3431 Low Power Anti Interference Wireless BLE Bluetooth 4.0 Module

LB3431 is a low power Bluetooth 4.0 module featuring the Broadcom BK3431 chip. It operates at voltages between 1.8-3.6V typically at 3.3V with low current consumption of 4uA. The module functions as a Bluetooth slave for connection to cellphones and other Bluetooth 4.0 master devices and includes a UART interface. It is suited for applications in wearable devices, medical equipment, toys, and home automation.

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Yaseriv Carden Hu
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100 views3 pages

LB3431 Low Power Anti Interference Wireless BLE Bluetooth 4.0 Module

LB3431 is a low power Bluetooth 4.0 module featuring the Broadcom BK3431 chip. It operates at voltages between 1.8-3.6V typically at 3.3V with low current consumption of 4uA. The module functions as a Bluetooth slave for connection to cellphones and other Bluetooth 4.0 master devices and includes a UART interface. It is suited for applications in wearable devices, medical equipment, toys, and home automation.

Uploaded by

Yaseriv Carden Hu
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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LB3431 low power anti interference wireless BLE Bluetooth 4.

0 module

LB3431 is designed and technical supported by LCHSTAR, it consists of Broadcom BK3431BLE


chip, features low cost, low power consumption, mostly apply in wearable devices, medical
equipment RC toys and home automation products.

Reference Data
CHIP BK3431
VERSION BLE4.0
SENSITIVITY -89dBm@4dBm Transmit Power
INTERFACE UART
MIN CONSUMPTION 4μA
SUPPLY VOLTAGE 1.8-3.6V Typical 3.3V
General Description:
LB3431-BLE is a bluetooth 4.0 digital transmitter with Broadcom BK3431 chip, it currently
support only slave mode, the master connect with LB3431 can be either a cellphone or other
devices that support BLE4.0,the chip of those devices connect to LB3431 through serial port, as
shows below

Applications:
Health Device Wearable Device Home Automation
Bluetooth Toy Lighting Control Bluetooth to Serial Port Device

Dimentions:
Pin Description:
Pin Number Pin Name Description
1 GND Power Ground
2 RSTN Reset, when low
3 P1.0 PWM0
4 P1.4 PWM4
5 P1.3 PWM3
6 P1.2 PWM2
7 PPROG Flash Program mode select 0-normal,1-program mode
8 P1.1 PWM1
9 GND Power Ground
10 P0.7 Universal Ouput
11 P0.6 Universal Ouput
12 P0.5 Universal Ouput
13 P0.4 Universal Ouput
14 XTAL Float
15 P0.1 Serial Port RXD
16 P0.0 Serial Port RXD
17 VCC 3.3V,Power possitive
18 GND Ground
19 VCC 3.3V,Power possitive
20 P3.2 Universal Input /AD
21 P3.3 Universal Input /AD
22 GND Ground
23 GND Ground
24 ANT Antenna when needed
25 GND Ground

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