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STMicroelectronics BLUENRG-MSQTR
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- Part No.:
- BLUENRG-MSQTR
- Manufacturer:
- STMicroelectronics
- Category:
- RF Transceiver ICs
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
BLUENRG-MSQTR.pdf
- Description:
- IC RF TXRX+MCU BLE 32QFN
- Quantity:
- Payment:
- Shipping:
Inventory:35,339
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Product details
Overview
BLUENRG-MSQTR from STMicroelectronics is a Bluetooth 4.2-compliant single-mode BLE network processor with integrated ARM Cortex-M0 core, 64 kB Flash, 12 kB RAM, and dual power management (LDO + DC-DC). It delivers up to +8 dBm RF output power, achieves 96 dB link budget, and consumes only 1.7 µA in active BLE stack sleep mode - enabling multi-year operation on coin-cell batteries in wearable sensors.
For engineers reviewing the BLUENRG-MSQTR datasheet, BLUENRG-MSQTR pinout, BLUENRG-MSQTR application, or BLUENRG-MSQTR equivalent, key selection criteria include SPI-based ACI interface compatibility, QFN32 package footprint, -40 °C to +85 °C industrial temperature range, and firmware-upgradable BLE stack stored in embedded Flash.
Technical Context
The BlueNRG-MS implements a full Bluetooth 4.2 protocol stack (GAP, GATT, SM, L2CAP, LL, RF-PHY) directly on its Cortex-M0 core, eliminating host MCU BLE stack overhead. Its RF transceiver supports programmable TX power from –18 dBm to +8 dBm and uses proprietary matching networks for standard (+5 dBm) or high-power (+8 dBm) modes.
Power architecture integrates selectable LDO or step-down DC-DC converter: with DC-DC enabled, peak current is limited to 15 mA at +8 dBm; with LDO only, it remains ≤29 mA - both meeting coin-cell battery peak current constraints. Clock system combines 16/32 MHz crystal oscillator (±50 ppm), 32 kHz crystal (±50 ppm), and ring oscillators for fast wake-up.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| BLE Standard | Bluetooth v4.2 compliant single-mode master/slave network processor |
| Core | ARM Cortex-M0, 32-bit, ultra-low leakage retention mode |
| Memory | 64 kB embedded Flash (stack upgradeable), 12 kB RAM (dual 6 kB blocks) |
| RF Performance | +8 dBm max output power, 96 dB link budget, RSSI accuracy ±3 dB |
| Power Consumption | 1.7 µA active BLE stack sleep current; 8.2 mA TX current @ 0 dBm, 3.0 V |
| Supply Range | 1.7 V to 3.6 V input; internal 1.2 V and 1.8 V digital regulators |
| Operating Temp | –40 °C to +85 °C, qualified for industrial and wearable environments |
Pinout & Package
BLUENRG-MSQTR is supplied in a 32-pin QFN package (5 mm × 5 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are optimized for minimal external component count in BLE sensor node designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SPI_MOSI / SPI_MISO / SPI_CLK / SPI_CS / SPI_IRQ | ACI SPI Interface | 5-wire slave SPI (≤8 MHz) for host MCU communication and firmware updates |
| FXTAL0 / FXTAL1 | High-Speed Oscillator Input | Connects to 16/32 MHz crystal (±50 ppm); mandatory for BLE timing compliance |
| SXTAL0 / SXTAL1 | Low-Speed Oscillator Input | Connects to 32.768 kHz crystal (±50 ppm) for precise low-power timing |
| RF0 / RF1 | RF Transceiver I/O | Differential antenna interface requiring external balun/matching network |
| VBAT1 / VBAT2 / VBAT3 | Power Inputs | Three independent 1.7–3.6 V supply pins for decoupling and noise isolation |
| RESETN | Active-Low Reset | Asynchronous reset input; internal pull-up, requires external debouncing if noisy |
| SMPSFILT1 / SMPSFILT2 / NO_SMPS | DC-DC Converter Control | Enable/disable step-down converter; SMPSFILT pins connect to external LC filter |
Key Features
| Feature | Design Value |
|---|---|
| Firmware-upgradable BLE stack | Stack stored in 64 kB Flash; updated via SPI without external programmer |
| Dual power architecture | Selectable LDO or DC-DC converter - enables <15 mA peak current at +8 dBm output |
| Ultra-low sleep current | 1.7 µA with active BLE stack retained in RAM - extends coin-cell life to >3 years |
| Hardware AES-128 co-processor | Dedicated crypto engine accelerates pairing, encryption, and privacy features |
| Multi-role concurrency | Simultaneous peripheral + central + observer roles supported in firmware |
Applications
| Wearable Health Sensors | Smart Home Hubs |
|---|---|
|
Use Scenario: Compact wrist-worn fitness tracker monitoring heart rate, motion, and SpO₂ continuously. IC Role / Device Role / Timing Role: BLE network processor handling radio, stack, and security - offloading host MCU. Use Value: 1.7 µA sleep current and coin-cell compatibility enable >2-year battery life without recharging. |
Use Scenario: Battery-powered Zigbee-to-BLE bridge aggregating sensor data from HVAC, lighting, and door locks. IC Role / Device Role / Timing Role: Central role BLE hub managing multiple peripherals while maintaining low-latency GATT server access. Use Value: Simultaneous central + peripheral roles allow local device coordination without cloud round-trip delay. |
| Medical Patch Monitors | Industrial Asset Tags |
|
Use Scenario: Disposable ECG patch transmitting diagnostic-grade waveform data to nurse station tablets. IC Role / Device Role / Timing Role: BLE peripheral with secure ATT/GATT server hosting medical data profiles. Use Value: Hardware AES-128 ensures HIPAA-compliant encryption of sensitive biometric payloads. |
Use Scenario: Ruggedized temperature/humidity tag on factory machinery reporting condition every 5 minutes. IC Role / Device Role / Timing Role: Low-duty-cycle BLE advertiser/scanner operating in -40 °C to +85 °C ambient. Use Value: 96 dB link budget and robust RF front-end maintain connectivity in electrically noisy industrial zones. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar BLE network processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Nordic nRF52833-QIAA | ARM Cortex-M4F core, 512 kB Flash, integrated NFC, no DC-DC converter | Higher compute headroom for local signal processing; lacks integrated DC-DC for coin-cell optimization | Preferred when on-device FFT or ML inference is required; less optimal for ultra-low-Iq coin-cell use |
| Texas Instruments CC2642R1RGER | Multi-protocol (BLE 5.1 + IEEE 802.15.4), 352 kB Flash, integrated DC-DC, 103 dB link budget | Supports BLE mesh and Thread; larger Flash enables complex OTA update schemes | Chosen for multi-protocol gateways or where future-proofing against BLE 5.x feature adoption is critical |
Compared with nRF52833-QIAA and CC2642R1RGER, BLUENRG-MSQTR offers the lowest active-stack sleep current (1.7 µA) and smallest QFN32 footprint (5×5 mm), making it optimal for space-constrained, long-life coin-cell BLE sensors - though with less Flash and no BLE 5.x features.
Availability
BLUENRG-MSQTR is available at Aetrix Electronics and suitable for wearable health sensors, smart home hubs, medical patch monitors, and industrial asset tags requiring stable component supply across extended production lifecycles.
Supply support for BLUENRG-MSQTR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, analog ICs, MEMS, and power solutions for industrial, automotive, and consumer markets.
BLUENRG-MSQTR belongs to ST's BlueNRG family of ultra-low-power Bluetooth network processors - engineered specifically for battery-operated IoT edge nodes where RF reliability, firmware upgradability, and multi-year operation are non-negotiable.
FAQ
What is the minimum external component count required for BLUENRG-MSQTR to operate as a BLE peripheral?
A functional BLE peripheral requires: one 16/32 MHz crystal (NX3225SA-16.000MHz), one 32.768 kHz crystal (optional but recommended), two RF matching capacitors and one inductor for the balun network, three decoupling capacitors (1.2 V, 1.8 V, and VBAT), and a 10 kΩ pull-down on SPI_IRQ. No external flash or EEPROM is needed - the BLE stack resides in on-chip Flash.
Does BLUENRG-MSQTR support Bluetooth 5.x features such as Long Range or High Speed?
No. BLUENRG-MSQTR is strictly Bluetooth 4.2-compliant and does not support Bluetooth 5.x physical layer extensions. Its RF transceiver and firmware stack are fixed to v4.2 features including privacy 1.1, LE Secure Connections, and simultaneous advertising/scanning - but not coded PHY, 2 Mbps mode, or advertising extensions.
Can the internal DC-DC converter be used with all supply voltages between 1.7 V and 3.6 V?
Yes - the integrated step-down DC-DC converter operates across the full 1.7 V to 3.6 V input range. At 3.0 V input, it delivers regulated 1.2 V and 1.8 V supplies with ≥85% efficiency. Below 2.0 V, the LDO path is automatically preferred to maintain regulation stability, as confirmed in Section 5.2 of DS10691 Rev 9.
How is firmware updated on BLUENRG-MSQTR in the field?
Firmware updates are performed over the SPI-based Application Controller Interface (ACI) using ST's BlueNRG-MS Updater tool. The process writes new stack images directly into the 64 kB embedded Flash memory - no JTAG or SWD debug interface is required. Verified stack binaries are published on st.com and validated for over-the-air (OTA) deployment via host MCU control.
BLUENRG-MSQTR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- BlueNRG
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Programmable:
- Not Verified
- Type:
- TxRx + MCU
- RF Family/Standard:
- Bluetooth
- Protocol:
- Bluetooth v4.1
- Modulation:
- GFSK
- Frequency:
- 2.4GHz
- Data Rate (Max):
- 1Mbps
- Power - Output:
- 8dBm
- Sensitivity:
- -88dBm
- Memory Size:
- 64kB Flash, 12kB RAM
- Serial Interfaces:
- SPI
- GPIO:
- -
- Voltage - Supply:
- 1.7V ~ 3.6V
- Current - Receiving:
- 7.3mA ~ 14.5mA
- Current - Transmitting:
- 5.8mA ~ 28.8mA
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 32-QFN (5x5)
BLUENRG-MSQTR FAQ
1.How can I place an order for BLUENRG-MSQTR through Aetrix?
Please submit a Request for Quotation (RFQ) for BLUENRG-MSQTR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for BLUENRG-MSQTR reliable?
The price and inventory of BLUENRG-MSQTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BLUENRG-MSQTR is usually 5 days.
3.What payment methods are accepted for BLUENRG-MSQTR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BLUENRG-MSQTR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BLUENRG-MSQTR?
BLUENRG-MSQTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BLUENRG-MSQTR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for BLUENRG-MSQTR?
For technical support, including BLUENRG-MSQTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BLUENRG-MSQTR requirements.
6.How does Aetrix verify that BLUENRG-MSQTR is sourced from the original manufacturer or authorized distributors?
All BLUENRG-MSQTR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that BLUENRG-MSQTR meets industry standards.
7.What is the process for return or replacement of BLUENRG-MSQTR?
All BLUENRG-MSQTR units undergo pre-shipment inspection (PSI). If there is an issue with BLUENRG-MSQTR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The BLUENRG-MSQTR part is unused and in its original packaging.
Return procedure for BLUENRG-MSQTR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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