STM32 L5 Ultra-Low-Power MCUs

STMicroelectronics STM32 L5 Ultra-Low-Power MCUs are designed for an embedded application that requires more security and low power consumption. These MCUs are based on Arm® Cortex®-M33 processor and its TrustZone® for Armv8-M combined with ST security implementation. The STM32 L5 MCUs feature 512Kbytes of flash memory and 256Kbytes of SRAM. With the help of an Arm 32-bit Cortex-M33 core and an ST ART Acccelerator™, the STM32 L5 MCUs reach an upgraded level of performance. These STM32 L5 MCUs offer a large portfolio with 7 packages and support up to +125°C ambient temperature.

Results: 36
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Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
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Package/Case
Core
Program Memory Size
Data Bus Width
ADC Resolution
Maximum Clock Frequency
Number of I/Os
Data RAM Size
Supply Voltage - Min
Supply Voltage - Max
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STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
5,837In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT LQFP-100 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 79 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
13,094In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

STM32L5 SMD/SMT WLCSP-81 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 54 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
3,035In Stock
Min.: 1
Mult.: 1

STM32L5 LQFP-144 Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
2,305In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT UFBGA-132 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 110 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
2,174In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT UFBGA-132 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 108 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
956In Stock
Min.: 1
Mult.: 1

STM32L552RE SMD/SMT LQFP-64 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 47 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
2,320In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT UFBGA-132 Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
456In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT LQFP-64 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 52 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
94In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT LQFP-100 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 79 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 256 kbytes of Flash
Datasheet
2,016In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT LQFP-144 ARM Cortex M33 256 kB 32 bit 2 x 12 bit 110 MHz 111 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
1,549In Stock
Min.: 1
Mult.: 1

STM32L5 UFQFPN-48 Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
2,803In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT LQFP-48 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 38 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
2,444In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT LQFP-100 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 83 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
2,655In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT UFQFPN-48 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 38 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 256 kbytes of Flash
Datasheet
1,256In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT UFQFPN-48 ARM Cortex M33 256 kB 32 bit 2 x 12 bit 110 MHz 38 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 256 kbytes of Flash
Datasheet
631In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT LQFP-64 ARM Cortex M33 256 kB 32 bit 2 x 12 bit 110 MHz 52 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
380In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT LQFP-144 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 115 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
329In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT LQFP-144 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 111 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
338In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT LQFP-48 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 38 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
815In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT UFQFPN-48 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 36 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
427In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT LQFP-64 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 52 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
425In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT LQFP-64 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 50 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
527In Stock
Min.: 1
Mult.: 1

STM32L5 SMD/SMT LQFP-100 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 83 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 256 kbytes of Flash
Datasheet
104In Stock
1,500Expected 12/3/2026
Min.: 1
Mult.: 1

STM32L5 SMD/SMT LQFP-48 ARM Cortex M33 256 kB 32 bit 2 x 12 bit 110 MHz 38 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
99In Stock
3,120Expected 6/3/2026
Min.: 1
Mult.: 1

STM32L5 SMD/SMT UFQFPN-48 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 38 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray