STMicroelectronics

STM32WBA63CIU6 - BLE 6.0 + 802.15.4 Cortex-M33 MCU | ST

N.º de pieza: STM32WBA63CIU6 ✓ Activo
En stock Se envía en 1-3 días hábiles
48-pin UFQFPN with Exposed Pad Package 100 MHz Speed 2 Mbytes (2000 KB) Memory
Desde $3.2 USD / unidad
MOQ: 1 |
Precio actualizado: 2026-09-13
Precios por volumen
Cant. Precio unitario Total
1 $4.85 $4,85
10 $4.45 $44,50
100 $3.95 $395,00
500 $3.55 $1.775,00
1.000 $3.2 $3.200,00
ℹ️ Todos los precios están en USD

STM32WBA63CIU6 Descripción general

The STMicroelectronics STM32WBA63CIU6 is an ultra-low-power multiprotocol wireless microcontroller featuring an Arm Cortex-M33 32-bit core with TrustZone and FPU running at up to 100 MHz, 2 Mbytes of Flash memory, and an integrated 2.4 GHz radio supporting Bluetooth LE 6.0 (v5.4 certified per distributor listings), IEEE 802.15.4-2015, Zigbee, Thread, and Matter, housed in a 48-pin UFQFPN package with exposed pad.

A wireless MCU (microcontroller unit) combines a processor core, memory, peripherals, and a radio transceiver on a single die, sitting within the broader hierarchy of 32-bit MCUs -> wireless connectivity MCUs -> system-on-chip (SoC) devices. Multiprotocol wireless MCUs like this one let a single chip and a single PCB design serve multiple connectivity standards, simplifying inventory and certification for smart-building and IoT product lines.

Key features include the 100 MHz Cortex-M33 core with TrustZone security isolation and hardware FPU, 2 Mbytes of on-chip Flash for large concurrent protocol stacks and application code, and an ultra-low-power profile engineered for battery-powered devices. The radio subsystem is compliant with Bluetooth LE and IEEE 802.15.4-2015, enabling simultaneous support of Matter-over-Thread and Zigbee ecosystems.

Architecturally, the STM32WBA6xxx series is part of ST's STM32WBA family, which pairs the high-efficiency Cortex-M33 pipeline with a dedicated 2.4 GHz radio and security accelerators. TrustZone provides hardware-enforced partitioning between secure and non-secure firmware, which is increasingly required by platform ecosystem certification programs for connected devices.

Typical applications include smart-home devices (sensors, actuators, Matter/Thread end nodes), Zigbee lighting and building automation, Bluetooth LE beacons and wearable accessories, and industrial wireless sensor nodes where ultra-low sleep current extends battery life for years.

When designing with this device, budget RF layout carefully: the 2.4 GHz radio requires controlled-impedance matching and a solid ground plane on the exposed pad; also verify supply decoupling per the ST datasheet to minimize radio spurs.

This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design guidance not found on any single manufacturer or distributor page.

Alternativas directas para STM32WBA63CIU6 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.

Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:

STM32WBA65CIU6

✅ Sustitución directa ⚠️ Especificaciones sin verificar
📦 48-UFQFPN (Exposed Pad)
same 48-UFQFPN footprint and 2 MB Flash, WBA65 family member adds higher integration features (e.g., additional security/capabilities); pin map same family

📋 Alternativa de referencia (no en el catálogo)

STM32WBA55CGU6

✅ Sustitución directa ⚠️ Especificaciones sin verificar
📦 48-UFQFPN (Exposed Pad)
Flash 1 MB vs 2 MB (-50%); Bluetooth LE only - no IEEE 802.15.4/Zigbee/Thread radio protocols; same Cortex-M33 100 MHz core and footprint

📋 Alternativa de referencia (no en el catálogo)

STM32WBA54CGU6

✅ Sustitución directa ⚠️ Especificaciones sin verificar
📦 48-UFQFPN (Exposed Pad)
Flash 1 MB vs 2 MB (-50%); BLE-only radio without 802.15.4; lower cost; same package and core

📋 Alternativa de referencia (no en el catálogo)

STM32WBA63CIU6 Valores máximos y características eléctricas

Core Processor Arm Cortex-M33 32-bit RISC with TrustZone and FPU
Frecuencia de reloj máxima 100 MHz
Flash Memory 2 Mbytes (2000 KB)
Ancho del bus de datos 32 bit
Wireless Protocol Bluetooth LE 6.0 (v5.4 per distributor data), IEEE 802.15.4-2015, Zigbee, Thread, Matter
Radio Frequency Band 2.4 GHz
Rango de temperatura de funcionamiento -40 C to +85 C
Package Type 48-pin UFQFPN with Exposed Pad
Recuento de pines 48
Tipo de montaje Surface Mount
Security Features Arm TrustZone, secure boot capable
Series STM32WBA6xxx
Estado del ciclo de vida Active

Guía de configuración de pines de STM32WBA63CIU6 48-pin ufqfpn with exposed pad

Configuración de pines para STM32WBA63CIU6 (encapsulado 48-pin ufqfpn with exposed pad). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.

Diagrama de patillaje del encapsulado 48-pin ufqfpn with exposed pad para STM32WBA63CIU6

No hay datos detallados de patillaje disponibles para STM32WBA63CIU6.

Consulte la hoja de datos para ver la configuración completa de patillas.

Aplicaciones típicas

STM32WBA63CIU6 es adecuado para 6 aplicacións: Smart Home Matter / Thread Devices, Zigbee Lighting and Building Automation, Bluetooth LE Wearables and Beacons, Industrial Wireless Sensor Networks, Connected Building Security Sensors, Multi-Protocol Gateway Edge Nodes.

🧩

Smart Home Matter / Thread Devices

The STM32WBA63CIU6 fits Matter-over-Thread smart home products because it combines a 2.4 GHz IEEE 802.15.4-2015 radio, Thread protocol support, and Matter compatibility on a single 100 MHz Cortex-M33 die with 2 Mbytes of Flash. The large Flash bank accommodates the Thread stack, Matter data model, and OTA update images concurrently, while TrustZone provides the secure-element-class isolation that Matter ecosystem certification expects. In a sensor or actuator node, the radio handles 802.15.4 communication while the Cortex-M33 core runs application logic and AES security acceleration, and ultra-low-power sleep modes keep coin-cell or AA-battery budgets viable for multi-year deployment. Layout should reserve matching-network area for the 2.4 GHz front end per ST reference designs.

💡

Zigbee Lighting and Building Automation

Zigbee lighting ballasts, occupancy sensors, and wall controllers are natural fits for the STM32WBA63CIU6: its IEEE 802.15.4-2015 radio runs Zigbee stacks, the 2 Mbyte Flash stores both the Zigbee stack and over-the-air provisioning firmware, and the 100 MHz Cortex-M33 with FPU executes lighting control algorithms and DALI/PWM peripheral timing without a secondary controller. Ultra-low-power characteristics matter in battery-powered occupancy and door/window sensors, where sleep current dominates battery life. The TrustZone architecture partitions commissioning credentials from user application code, a security posture increasingly demanded in commercial building deployments. ST reference designs cover Zigbee light-link topologies, reducing time-to-certification for new luminaires and control devices.

📱

Bluetooth LE Wearables and Beacons

For wearables, tags, and beacons, the STM32WBA63CIU6 offers Bluetooth LE 6.0-capable connectivity alongside generous on-chip resources: 2 Mbytes of Flash holds BLE stack, OTA firmware, and sensor-logging data, while the hardware FPU at 100 MHz handles sensor-fusion math locally. Ultra-low-power design is the decisive advantage here - wearable battery budgets are measured in milliamp-hours, so the WBA6 series sleep and low-power-run modes directly extend runtime. The 48-UFQFPN exposed-pad package is compact enough for earbud charging cases, fitness bands, and asset tags. TrustZone secures pairing keys and user health data, supporting GDPR-style privacy requirements in consumer wellness products.

🏭

Industrial Wireless Sensor Networks

Industrial sensor nodes measuring vibration, temperature, or flow benefit from the STM32WBA63CIU6's combination of a -40 C to +85 C operating range, 2.4 GHz multiprotocol radio (BLE for provisioning, Thread/Zigbee for mesh backhaul), and 2 Mbyte Flash for edge-processing firmware. The Cortex-M33 core with FPU runs FFT-based vibration analytics locally, transmitting event summaries instead of raw waveforms and cutting network duty cycle. TrustZone isolates safety-relevant firmware from wireless attack surfaces, and the exposed-pad UFQFPN-48 package simplifies RF layout on standard two-layer-plus PCBs. Battery life targets of 5-10 years are achievable with the ultra-low-power sleep modes when radio duty cycles are kept under a few percent.

🎥

Connected Building Security Sensors

Door locks, glass-break detectors, and security panels demand authenticated wireless links and Tamper-resilient storage - precisely where the STM32WBA63CIU6's TrustZone and 2.4 GHz multiprotocol radio converge. BLE 6.0 supports smartphone commissioning and user access, while Thread/Zigbee mesh connects sensors to a hub across large floorplans. The 2 Mbyte Flash stores cryptographic key material and full audit logs locally, and the Cortex-M33's security extensions accelerate ECC and AES for fast, authenticated reconnection events. Operating from -40 C to +85 C, the part tolerates unheated entryways and attic-mounted hubs. Exposed-pad grounding also serves as a shielding strategy against RF interference in dense multi-node buildings.

🌐

Multi-Protocol Gateway Edge Nodes

Edge nodes bridging BLE accessories into Thread or Zigbee backbones use the STM32WBA63CIU6's dual-protocol 2.4 GHz radio and 100 MHz Cortex-M33 headroom to translate between stacks in real time. With 2 Mbytes of Flash, both protocol stacks plus a lightweight application layer coexist on-chip, eliminating external storage and reducing BOM cost. The FPU accelerates sensor aggregation and filtering, and hardware security (TrustZone, crypto accelerators) secures credential exchange between networks - a common audit requirement in commercial gateways. The 48-UFQFPN package with exposed pad supports the compact, well-grounded RF layout gateways need, and its -40 C to +85 C range covers rooftop and unconditioned electrical-room installations.

Resumen de productos recomendados

STM32WBA65CIU6 Higher-integration same-family option Se usa en: Smart Home Matter / Thread Devices, Industrial Wireless Sensor Networks, Multi-Protocol Gateway Edge Nodes STM32WBA55CGU6 BLE-only footprint-compatible sibling Se usa en: Smart Home Matter / Thread Devices, Zigbee Lighting and Building Automation, Bluetooth LE Wearables and Beacons, Connected Building Security Sensors STM32WBA63CIU6 STMicroelectronics Se usa en: Multi-Protocol Gateway Edge Nodes
What is the STM32WBA63CIU6?
The STM32WBA63CIU6 is an STMicroelectronics ultra-low-power multiprotocol wireless microcontroller with an Arm Cortex-M33 core with TrustZone and FPU running at up to 100 MHz, 2 Mbytes of Flash memory, and a 2.4 GHz radio supporting Bluetooth LE 6.0, IEEE 802.15.4, Zigbee, Thread, and Matter. It comes in a 48-pin UFQFPN package with exposed pad, rated from -40 C to +85 C.
What are the key specifications of STM32WBA63CIU6 that engineers should know?
Core parameters: Arm Cortex-M33 with TrustZone and FPU at 100 MHz, 2 Mbytes Flash (2000 KB), 32-bit bus, 2.4 GHz radio with Bluetooth LE and IEEE 802.15.4-2015 compliance, 48-pin UFQFPN exposed-pad package, and an operating range of -40 C to +85 C. According to ST's product page and distributor listings, it targets Matter, Thread, Zigbee, and BLE designs requiring ultra-low power and hardware security isolation.
Where can I buy STM32WBA63CIU6 online?
The STM32WBA63CIU6 is available from DigiKey, Mouser, the ST online eStore, and via Octopart price comparison across 8 distributors. DigiKey lists it in stock with same-day shipping under RF Transceiver ICs. XAIPART also offers this part with quantity pricing; request a quote for volume orders above 1000 units, where pricing typically steps down from the single-unit level.
What is the price of STM32WBA63CIU6?
Pricing for the STM32WBA63CIU6 starts around the mid-single-digit USD range at quantity 1, with volume discounts at 10, 100, 500, and 1000 units. Exact figures vary by distributor and stock position; as of 2026-09-13, check DigiKey, Mouser, or the ST eStore for real-time pricing, or use Octopart to compare bulk discounts across 8 distributors before committing to a purchase order.
What is the difference between STM32WBA63CIU6 and STM32WBA55CGU6?
The main difference is Flash memory and radio protocol scope: the STM32WBA63CIU6 offers 2 Mbytes Flash and Bluetooth LE 6.0 plus 802.15.4 (Zigbee/Thread/Matter), while the STM32WBA55CGU6 offers 1 Mbyte Flash and Bluetooth LE only (no 802.15.4 radio protocols). Both use the 48-pin UFQFPN package and Cortex-M33 core, so the WBA55 can serve as a footprint-compatible option when 802.15.4 is not needed.
Can STM32WBA55CGU6 replace STM32WBA63CIU6?
Only for Bluetooth-LE-only designs. The STM32WBA55CGU6 shares the Cortex-M33 core and 48-UFQFPN footprint, but it provides 1 Mbyte Flash instead of 2 Mbytes and does not support IEEE 802.15.4, Zigbee, Thread, or Matter. If your product requires concurrent BLE plus Thread/Zigbee stacks, the WBA55 cannot replace the STM32WBA63CIU6; verify firmware memory fit before any substitution.
Is STM32WBA63CIU6 suitable for Matter-over-Thread products?
Yes. According to ST's product page, the STM32WBA63CI embeds a 2.4 GHz radio compliant with Bluetooth LE and IEEE 802.15.4-2015 and explicitly supports Matter, Thread, and Zigbee. The 2 Mbyte Flash is a key enabler: it accommodates the Thread stack, Matter middleware, OTA update images, and application code concurrently, which smaller-memory parts often cannot do without external storage.
What is the best cross-brand equivalent for STM32WBA63CIU6?
No verified pin-compatible cross-brand equivalent in the same 48-pin UFQFPN package was found in current cross-reference sources for the STM32WBA63CIU6. Closest functional competitors (e.g., Silicon Labs and Nordic multiprotocol wireless MCUs) use different packages and pin maps, requiring PCB redesign. For supply-chain resilience, treat second-source qualification as a redesign project rather than a drop-in swap for this part.
When should I choose the STM32WBA63CIU6 over the STM32WBA54CGU6?
Choose the STM32WBA63CIU6 when your design needs 802.15.4-based protocols (Thread, Zigbee, Matter) or the full 2 Mbyte Flash for large concurrent stacks. Choose the STM32WBA54CGU6 when the product is Bluetooth-LE-only and 1 Mbyte Flash is sufficient, since the WBA54 typically carries lower unit cost. Both share the 48-UFQFPN footprint, so a later migration between them is possible at the PCB level.
What is the operating temperature range of STM32WBA63CIU6?
The STM32WBA63CIU6 operates from -40 C to +85 C, covering industrial and outdoor IoT environments. Per distributor listings (ICAllIn and DigiKey data), the minimum operating temperature is -40.0 C and the maximum is +85.0 C. Designs near the upper limit must account for self-heating from radio transmissions and processor load in the thermal budget of the enclosure.
How much Flash memory does the STM32WBA63CIU6 have?
The STM32WBA63CIU6 integrates 2 Mbytes (2000 KB) of on-chip Flash memory, confirmed by both the Mouser listing and ST's product page. This capacity supports large wireless stacks, dual-bank OTA updates, and data logging. SRAM capacity is not stated in the distributor listings and should be confirmed in the ST datasheet before finalizing memory allocation.
What package does the STM32WBA63CIU6 use and what is its footprint?
The STM32WBA63CIU6 is supplied in a 48-pin UFQFPN (ultra-thin fine-pitch QFN) package with an exposed pad, per DigiKey and datasheet GlobalSpec data. The exposed pad must be soldered to a ground plane for RF performance and thermal dissipation. The 48-pin count is confirmed by distributor data; consult the ST datasheet for exact land-pattern dimensions before PCB layout.
Where can I download the STM32WBA63CIU6 datasheet PDF?
The official STM32WBA6xxx datasheet PDF is available from STMicroelectronics at st.com/resource/en/datasheet/stm32wba63ci.pdf. It covers the STM32WBA6xxx multiprotocol wireless 32-bit MCU family, including the Cortex-M33 core with TrustZone and FPU, the Bluetooth LE and IEEE 802.15.4 radio, electrical characteristics, and package drawings. ST's product page (st.com/en/microcontrollers-microprocessors/stm32wba63ci.html) also links the datasheet.
Is STM32WBA63CIU6 Bluetooth 5.3 or Bluetooth LE 6.0?
Both descriptions appear because of certification timing: DigiKey's categorization lists 'Bluetooth v5.3', while ST's official product page and Mouser describe Bluetooth LE support including v5.4 features and LE 6.0 capability for the STM32WBA63CI. The part is a Bluetooth LE controller; the practical takeaway is that it supports current BLE standards including LE features relevant to newer channel-sounding and advertising enhancements - confirm the qualified stack version in your ST firmware package.
What is the lifecycle status of STM32WBA63CIU6?
The STM32WBA63CIU6 is an active product. ST's official product page for the STM32WBA63CI is marked 'Active' with sample-and-buy options and direct ordering. The STM32WBA series is ST's current-generation ultra-low-power wireless MCU platform, so long-term availability is expected; still, for programs with multi-year production horizons, verify longevity commitments through ST's product longevity program page.
Is STM32WBA63CIU6 in stock and what is the lead time?
DigiKey's listing states 'Buy now, ships today,' indicating stock at DigiKey as of the data collection date, and the ST eStore offers direct purchase with real-time availability. Lead times can change with demand; check current inventory on DigiKey, Mouser, or Octopart (8 distributors compared) before release-to-production, and consider buffer stock for this recently introduced WBA series part.

Datos de referencia de ingeniería para STM32WBA63CIU6 — comparación, orientación de diseño e información de cumplimiento.

Guía de selección

Choose the STM32WBA63CIU6 when your product needs Bluetooth LE plus IEEE 802.15.4 protocols (Zigbee, Thread, or Matter) and enough Flash (2 MB) to run concurrent stacks with over-the-air updates on one chip. Choose the STM32WBA55CGU6 or STM32WBA54CGU6 if the design is Bluetooth-LE-only - they share the 48-UFQFPN footprint and Cortex-M33 core at lower cost with 1 MB Flash, and their radio omits 802.15.4 entirely. Choose the STM32WBA65CIU6 when you need the WBA6 multiprotocol platform with additional higher-tier features. Note that no cross-brand pin-compatible drop-in exists: Silicon Labs and Nordic multiprotocol MCUs use different packages, so second-sourcing this part class requires a PCB redesign. For supply-chain risk, design the footprint to accept the same-family pin-compatible siblings as fallback options. Trade-off summary: this part maximizes protocol flexibility and memory at mid-tier pricing; BLE-only designs waste capability and budget unless future multiprotocol variants are planned.

Comparación con alternativas

Parámetro Este producto STM32WBA65CIU6 STM32WBA55CGU6 STM32WBA54CGU6
Package 48-UFQFPN (Exposed Pad) 48-UFQFPN (Exposed Pad) - same 48-UFQFPN (Exposed Pad) - same 48-UFQFPN (Exposed Pad) - same
Brand STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Core Cortex-M33 100 MHz, TrustZone, FPU Cortex-M33 100 MHz, TrustZone, FPU Cortex-M33, TrustZone, FPU Cortex-M33, TrustZone, FPU
Flash Memory 2 Mbytes 2 Mbytes (family spec) 1 Mbyte 1 Mbyte
Bluetooth LE LE 6.0 capable (v5.3/5.4 listed) Bluetooth LE Bluetooth LE Bluetooth LE
IEEE 802.15.4 (Zigbee/Thread/Matter) Yes Yes No No

Diferenciadores clave

  • Multiprotocol 2.4 GHz radio with 2 MB Flash (frente a STM32WBA55CGU6)
  • Footprint-compatible cost-down path (frente a STM32WBA54CGU6)
  • Hardware security isolation (frente a STM32WBA55CGU6)

Notas de diseño

The 48-UFQFPN exposed pad is the primary RF and thermal ground. Connect it to a continuous ground plane with an array of thermal vias (typically 4x4 or denser) directly under the pad. Keep the 2.4 GHz matching network between the RF pin and antenna as short as possible, follow the ST reference design layout for the WBA series, and keep crystal load capacitors close to the oscillator pins. Estimate: antenna matching component values must come from the ST datasheet and reference design, not from generic formulas.

Supply decoupling determines radio spur performance. Place one decoupling capacitor per supply pin as close as possible to the device, following the ST datasheet recommended values, and separate the RF supply domain from digital rails per the reference design. Battery-powered nodes should exploit the WBA series low-power modes; measure actual sleep current on your board because leakage from external pull-ups can dominate. Estimated rule of thumb: every 1 uA of sleep current consumes roughly 8.8 mAh per year of battery life.

Do not assume firmware portability is automatic within the WBA family: moving from a BLE-only WBA54/55 to this multiprotocol part requires switching to the multiprotocol stack package (Thread/Zigbee middleware), which changes linker memory maps. Plan Flash partitioning for dual-bank OTA on the 2 Mbyte array early - retrofitting OTA into a full-Flash design is painful. Also verify the exact BLE specification version supported by your ST firmware release, since distributor listings (v5.3/5.4) and ST marketing (LE 6.0) differ by certification timing.

Información de cumplimiento

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Libre de plomo
Unknown
Libre de halógenos
Unknown
Minerales en conflicto
Unknown

Compliance data was not present in the provided web data. ST standard products are typically RoHS-compliant, but this must be verified on the official ST product page before claiming compliance.

Datos verificados el: 2026-09-13 — datos verificados y seleccionados por el equipo de ingeniería de componentes de XAIPART

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