BK3437 QN32
₹80.00
5V 2.4A AC-DC SMPS Power Module | Compact Isolated Power Supply | Industrial & IoT Ready
Original price was: ₹125.00.₹100.00Current price is: ₹100.00.
BC202HZ-01-26P based on BK3633
Price range: ₹120.00 through ₹150.00
BC202HZ-01-26P IoT module based on BK3633 chip
The BC202HZ-01-26P module, powered by Beken’s BK3633 chip, is a highly integrated Bluetooth 5.4 Dual Mode (BLE/Classic) + proprietary 2.4 GHz SoC, combining an RF transceiver, baseband, low-power 32-bit RISC core (64 MHz, 80 KB RAM), and programmable protocols for flexible IoT applications. It features ultra-low power consumption (~5 mA active, ~1 µA deep sleep), advanced interference suppression, and AoA/AoD support (16-antenna arrays) for precise indoor positioning. With 512 KB/1 MB Flash, 32-byte eFUSE, and rich peripherals (I²S, SPI, etc.), it operates across 1.9–3.6V and includes DC-DC power management, making it ideal for wearables, smart home devices, and high-interference environments. The Linux-compatible SDK enables easy customization for diverse wireless use cases.
Description
Overview
The BC202HZ-01-26P module is based on the Beken BK3633 chip. The BK3633 chip is a highly integrated wireless system on chip, which supports Bluetooth 5.4 Dual Mode and proprietary 2.4 GHz protocols. It integrates a high-performance RF transceiver, baseband, low-power processor, rich feature peripheral units, programmable protocol, and profile to support various applications. The Flash program memory makes it suitable for customized applications.
Designed with an advanced technology process and integrated with a DC-DC switching regulator, the BK3633 features ultra-low power consumption and ultra-low leakage power. The embedded high-order interference suppression filter and fast automatic gain control logic work well in a high-interference environment.
Features
- Bluetooth 4 Dual Mode and proprietary 2.4 GHz protocol
- Around 5 mA full operation current
- Around 1 μA deep sleep current with low-power running timer
- Bluetooth Angle of Arrival (AoA) and Angle of Departure (AoD)
- Antenna array with a maximum 16 antennas for precise indoor positioning
- Bluetooth Low Energy (LE) 125 kbps, 500 kbps, 1 Mbps and 2 Mbps
- Classic Bluetooth 1 Mbps
- Proprietary 4 GHz 250 kbps, 1 Mbps and 2 Mbps
- High output power up to 10 dBm and Bluetooth LE Power Control
- 32-bit RISC core with 80 KB data memory at up to 64 MHz speed
- SiP Flash: 512 KB or 1 MB
- 32-byte eFUSE
- Operating voltage: 9–1.5 V (boost), 2.0–3.6 V (buck)
- Clock
- 16 MHz crystal reference clock with internal tuning load capacitance
- 64 MHz digital PLL clock
- 32 kHz ring oscillator
- External 32 kHz crystal oscillator
- MCU can run with any clock source with internal frequency divider
- Dedicated audio PLL clock for I2S master clock
- Interface and peripheral units
Pin Configuration
Pin configuration is standard pin configuration, adapted by most of the competitor products available in the market. The pin configuration is compatible with ESP32-WROOM.
| Foot position | The name of the symbol | I/O | Description of the function |
| 1 | RF | RF | RF signal port/NC |
| 2 | GND | GND | GND |
| 3 | VCC3V | Analog | Power, 3 V |
| 4 | NC | NC | NC |
| 5 | P31 | Digital I/O | General purpose IO/ADC1 |
| 6 | P32 | Digital I/O | General purpose IO/ADC2 |
| 7 | NC | NC | NC |
| 8 | RSTN | Analog | Active low pin reset |
| 9 | P37 | Digital I/O | 32 kHz Crystal input, and GPIO P37,and PWM |
| 10 | GND | GND | GND |
| 11 | P17 | Digital I/O | General purpose IO//UART2_RXD |
| 12 | P16 | Digital I/O | General purpose IO/UART2_TXD |
| 13 | NC | NC | NC |
| 14 | P33 | Digital I/O | General purpose IO |
| 15 | P13 | Digital I/O | General purpose IO/PWM3 |
| 16 | P12 | Digital I/O | General purpose IO/PWM2 |
| 17 | P11 | Digital I/O | General purpose IO/PWM1 |
| 18 | P10 | Digital I/O | General purpose IO/PWM0 |
| 19 | P07 | Digital I/O | General purpose IO/PWM4 |
| 20 | P06 | Digital I/O | General purpose IO/PMW5 |
| 21 | P05 | Digital I/O | General purpose IO |
| 22 | P01/RX | Digital I/O | GPIO1/UART1_RXD |
| 23 | P00/TX | Digital I/O | GPIO0/UART1_TXD |
| 24 | P04 | Digital I/O | General purpose IO |
| 25 | P03 | Digital I/O | General purpose IO/SDA |
| 26 | P02 | Digital I/O | General purpose IO/SCL |
BK3633 datasheet can be found here
BC202HZ-01-26P Module datasheet can be found here
Additional information
| Preloaded Firmware |
None ,BLE Mesh ,AT Commands |
|---|
Shipping & Delivery
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