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The BlueNRG-2 is a very low power Bluetooth Low Energy (BLE) single-mode system-on-chip, compliant with Bluetooth specifications.
The BlueNRG-2 extends the features of award-winning BlueNRG network processor, enabling the usage of the embedded Cortex M0 to run the user application code.
The BlueNRG-2 includes 256 kB of programming Flash memory, 24 kB of static RAM memory with retention (two 12 kB banks) and SPI, UART, I²C standard communication interface peripherals. It also features multifunction timers, watchdog, RTC and DMA controller.
An ADC is available to interface with analog sensors, and to read the measurement of the integrated battery voltage sensor. A digital filter is available to process a PDM stream.
The BlueNRG-2 offers the same excellent RF performance of the BlueNRG radio, and the integrated high efficiency DC-DC converter keeps the same ultra-low power characteristics, but the BlueNRG-2 improves the BlueNRG sleep mode current consumption allowing a further increase in the battery lifetime of the applications.Key Features
- Bluetooth Low Energy single-mode system-on-chip compliant with Bluetooth v5.0 specifications:
- master, slave and multiple simultaneous roles
- LE data packet length extension
- Operating supply voltage: from 1.7 to 3.6 V
- Integrated linear regulator and DC-DC step-down converter
- Operating temperature range: -40 °C to 105 °C
- High performance, ultra-low power Cortex-M0 32-bit based architecture core
- Programmable 256 kB Flash
- 24 kB RAM with retention (two 12 kB banks)
- 1 x UART interface
- 1 x SPI interface
- 2 x I²C interface
- 14,15 or 26 GPIOs
- 2 x multifunction timer
- 10-bit ADC
- Watchdog and RTC
- DMA controller
- PDM stream processor
- 16 or 32 MHz crystal oscillator
- 32 kHz crystal oscillator
- 32 kHz ring oscillator
- Battery voltage and temperature sensors
- Up to +8 dBm available output power (at antenna connector)
- Excellent RF link budget (up to 96 dB)
- Accurate RSSI to allow power control
- 8.3 mA TX current (@ -2 dBm, 3.0 V)
- Down to 1 µA current consumption with active BLE stack (sleep mode)
- ST companion integrated balun/filter chips are available
- Average advertisement current consumption 15.34 μA (advertisement interval 1000 ms) – 1 year, 8 months, 19 days with 230 mAh battery (CR2032)
- Average connection current consumption 7.059 μA (connection interval 1000 ms) – 3 years, 10 months, 12 days with 230 mAh battery (CR2032)
- Suitable for building applications compliant with the following radio frequency regulations: ETSI EN 300 328, EN 300 440, FCC CFR47 Part 15, ARIB STD-T66
- Pre-programmed bootloader via UART
- QFN32, QFN48 and WCSP34 package options
- Bluetooth Low Energy single-mode system-on-chip compliant with Bluetooth v5.0 specifications:
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Product Specifications (1)
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User Manuals (3)
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Programming Manuals (1)
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Errata Sheets (1)
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Design Notes & Tips (5)
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Application Notes for related Tools & Software (4)
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Flyers (4)
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Brochures (2)
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CAD/EDA Symbols, Footprints and Models
Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| BLUENRG-232 |
Active
|
VFQFPN 5X5X1.0 32L WET FLK | Industrial | Ecopack3 |
|
| BLUENRG-234 |
Active
|
WLCSP MSL1 | Industrial | N/A | |
| BLUENRG-248 |
Active
|
VFQFPN 6X6X0.85 48L P0.4 WF | Industrial | Ecopack3 |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
| Part Number | Order from Distributors | Order from ST | Marketing Status | ECCN (US) | ECCN (EU) | Packing Type | Package | Temperature (°C) | Country of Origin | Budgetary Price (US$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| BLUENRG-232 | 8 distributors | Free Sample Buy Direct |
Active
|
5A992C | 5A002A2 | Tape And Reel | VFQFPN 5X5X1.0 32L WET FLK | -40 | 105 | THAILAND | 1.95 / 1k | |
| BLUENRG-248 | 7 distributors | Buy Direct |
Active
|
5A992C | 5A002A2 | Tape And Reel | VFQFPN 6X6X0.85 48L P0.4 WF | -40 | 105 | THAILAND | 2.0375 / 1k | |
| BLUENRG-234 | No availability of distributors reported, please contact our sales office |
Active
|
5A992C | 5A002A2 | Tape And Reel | WLCSP MSL1 | -40 | 105 | TAIWAN | 1.88 / 1k | ||
Marketing Status
ActiveECCN (US)
5A992CBudgetary Price (US$)*/Qty
1.88 / 1k(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors