STMicroelectronics · Electronic Components
STM32WBA55UG
Wireless Arm Cortex-M33 Trust Zone MCU 100 MHz with 1 Mbyte of Flash memory, Bluetooth LE 6.0, 802.15.4, ZigBee
Part NumberSTM32WBA55UG
ManufacturerSTMicroelectronics
AvailabilityAvailable to order — request a quote
Specifications
SeriesSTM32WB
PackageUFBGA 59 5x5x0.6 P 0.5 mm
CoreArm Cortex-M33
Frequency Mhz100
Flash Kb1024.0
Ram Kb128.0
InterfacesI2C: 2; SPI: 2; I2S: 1; USART: 2; UART: 3; External memory: SPI; Additional: SAI
AnalogADC12: 1 conv / 10 ch; Comparators: 2
Timers16-bit timers: 5; 32-bit timers: 1; Motor control timers: 1; Other: Dual Watchdog, IR timer, RTC, SysTick
SecurityCrypto: AES, ECC, RSA, S-AES, SHA-1, SHA-2, TRNG; Security: Abnormal Situation Handling, Application Lifecycle, Audit/Lo
Supply Voltage1.71–3.6 V
Temp Range-40.0 to 105.0 °C
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is STM32WBA55UG available?
We can source STM32WBA55UG even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is STM32WBA55UG by STMicroelectronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If STM32WBA55UG has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like STM32WBA55UG?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for STM32WBA55UG?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.