CHIPSEN BoT-nLE521M Bluetooth v5.0 BLE Class2 (+4dBm) SMD Master Module w/ Chip Antenna
CHIPSEN BoT-nLE521M Bluetooth v5.0 BLE Class2 (+4dBm) SMD Master Module w/ Chip Antenna
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The CHIPSEN BoT-nLE521M module is an OEM-style, cost-effective, low-power, true system-on-chip (SoC) for Bluetooth Smart (Bluetooth low energy) BLE applications. Integrating the BoT-nLE521M into your design enables robust BLE master nodes to be built with very low total bill-of-material costs while greatly simplifying and streamlining the design and certification process.
BoT-nLE521M combines an excellent RF transceiver with an industry-standard enhanced Cortec-M4 CPU, in-system programmable flash memory, 24kB RAM, and many other powerful supporting features and peripherals.
The BoT-nLE521M is suitable for systems where very low power consumption is required. Very low-power sleep modes are available. Short transition times between operating modes further enable low power consumption.
BoT-nLE521M Features
- BT Version: Bluetooth Low Energy (BLE) V5
- Built in Antenna
- ARM® Cortex®-M4 32-bit processor with FPU, 64 MHz
- Memory: 192 kB Flash / 24 kB RAM
- RF Output Power: MAX +4 dBm (-20 ~ 4 dBm)
- RF Receive Sensitivity: -96 dBm
- Type 2 near field communication (NFC-A) tag with wakeup-on-field and touch to-pair capabilities
- Fully automatic LDO and DC/DC regulator system (Uses LDO by Default)
- Temperature Sensor
- UART (CTS/RTS) with EasyDMA, SPI, and I2C data interfaces
- 12-Bit 200 ksps ADC with - 8 configurable channels with programmable gain
- Size: 15 mm x 8 mm x 1.8 mm
- Operating Voltage: 1.7V to 3.6V
- Operating Temperature: -40 to +85℃
- RoHS compliant 1.4
- Certifications: SIG, KC (including wireless EMC), IC, FCC, CE, TELEC
Applications
- Computer peripherals and I/O devices
- Mouse
- Keyboard
- Multi-touch trackpad
- Interactive entertainment devices
- Remote control
- Gaming controller
- Beacons
- Personal Area Networks
- Health/fitness sensors and monitoring devices
- Medical devices
- Key-fobs
- Wrist watches
- Remote control toys
RF Certification Fee Exemption
If you create a wireless product using an uncertified module, you must obtain your own wireless certification. The BoT-nLE521M already has multiple certifications (SIG, KC (including wireless EMC), FCC, CE and TELEC), reducing the cost and certification process of manufacturing your wireless products.
| Uncertified Bluetooth Module | BoT-nLE521M |
| Complex authorization process | KC+EMC, FCC, CE & TELEC certified |
| Wireless RF certification cost | Wireless certification exempt |
| Certification cost by country when exporting | Certified in the US, Europe & Japan |
| If authentication fails, replace the entire module | |
| Bluetooth logo not available | Bluetooth SIG certification completed |
| No technical support during the certification process | Certified samples and CHIPSEN technical support |
Low Power Consumption
The table below shows the BoT-nLE521M's typical current draw in microamps (uA).
Bluetooth Connection Methods
BoT-nLE521 Master and Slave Modules
A BoT-nLE521 slave module can communication with a BoT-nLE521M master module.
In this configuration the BoT-nLE521M Master will attempt to connect to the BoT-nLE521 Slave. If the Slave accepts the request, the connection is successful.
When communicating between modules there must be a Master and Slave pair. Modules of the same role cannot communicate with each other, i.e. two Slaves cannot communication with each other.
Documentation and Downloads
BoT-nLE521 Datasheet and Installation Documentation (PDF)
BoT-nLE521 FCC Certification (PDF)
