STM32L082CZY3 STMicroelectronics Integrated Circuit (BGA) In Stock
STMicroelectronics STM32L082CZY3 is an ultra-low-power 32-bit ARM Cortex-M0+ microcontroller with 192 KB Flash, running up to 32 MHz, and featuring hardware AES encryption in a compact BGA package. It integrates ADC, DAC, DMA, and multiple communication peripherals for IoT and battery-powered designs. Available from authorized distributors with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- BGA
- Pin Count
- 49
- Lifecycle
- ACTIVE
- Datasheet
- STM32L082CZY3 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low-power ARM Cortex-M0+ core running up to 32 MHz with 192 KB Flash enables long battery life in IoT and wearable designs
- Hardware AES encryption engine provides on-chip data security for connected and metering applications without software overhead
- Rich peripheral set including ADC, DAC, and DMA channels in a compact BGA package supports diverse sensor and communication interfaces
Applications
The STM32L082CZY3 is optimized for battery-powered IoT nodes, smart meters, wearable sensors, and wireless connectivity modules where ultra-low power consumption is critical. Its 32 MHz Cortex-M0+ core with hardware AES and 192 KB Flash supports secure data logging and LoRaWAN or Bluetooth protocol stacks in compact designs. The BGA package suits space-constrained applications in industrial sensors, medical devices, and building automation controllers.
Specifications
| YTEOL | 8 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | NO |
| CPU Family | CORTEX-M0 |
| Clock Frequency-Max | 25MHz |
| DAC Channels | YES |
| DMA Channels | YES |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PBGA-B49 |
| Low Power Mode | YES |
| Number of DMA Channels | 7 |
| Number of External Interrupts | 29 |
| Number of I/O Lines | 40 |
| Number of Serial I/Os | 5 |
| Number of Timers | 8 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | BGA49,7X7,16 |
| Package Shape | RECTANGULAR |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| RAM (bytes) | 20480 |
| ROM (words) | 196608 |
| ROM Programmability | FLASH |
| Speed | 32MHz |
| Supply Current-Max | 105mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 1.8V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Form | BALL |
| Terminal Pitch | 0.4mm |
| Terminal Position | BOTTOM |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | BGA |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.31.00.25 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for STM32L082CZY3:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 32MHz, CMOS, PBGA49
Frequently Asked Questions
What core and clock speed does the STM32L082CZY3 provide for low-power embedded designs?
The STM32L082CZY3 features a 32-bit ARM Cortex-M0+ core with a maximum clock frequency of 32 MHz. Combined with 192 KB of embedded Flash and ultra-low-power sleep modes drawing microamp-level currents, it is well suited for battery-operated IoT and sensor nodes with long field lifetimes.
Which security feature makes STM32L082CZY3 suitable for connected metering or LoRaWAN applications?
The STM32L082CZY3 integrates a hardware AES-128 encryption engine, enabling secure over-the-air firmware updates and payload encryption for LoRaWAN, smart metering, and industrial sensor applications — all without consuming CPU cycles or adding external security ICs.
How does the BGA package of STM32L082CZY3 affect PCB layout compared to QFP alternatives?
The STM32L082CZY3 BGA package reduces the PCB footprint compared to QFP packages offering similar pin counts, enabling denser board designs. However, it requires via-in-pad or escape routing techniques and at least 4-layer PCB stackups to reliably fan out the 0.5 mm or 0.4 mm BGA ball pitch typically used in this family.
When should a designer choose STM32L082CZY3 over STM32L072 for a battery-powered node?
STM32L082CZY3 adds hardware AES-128 encryption over the STM32L072, making it the preferred choice when the application requires data-at-rest or data-in-transit security, such as LoRaWAN Class A/B devices or ISO 62056 compliant energy meters. Both share the same 32 MHz Cortex-M0+ core and ultra-low-power profile with sub-1 µA stop-mode current.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
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