Mcu, 32Bit, 32Mhz, Lqfp-48 Rohs Compliant: Yes |Stmicroelectronics STM32L072CZT6

STM32L072CZT6 – Ultra-Low-Power ARM Cortex-M0+ Microcontroller – STMicroelectronics

Optimize your energy-sensitive embedded designs with the STM32L072CZT6 microcontroller from STMicroelectronics. This 32-bit IC delivers exceptional power efficiency without compromising performance, featuring 192KB Flash memory, 20KB RAM, and versatile connectivity options. Ideal for battery-operated devices, it enables extended operational life and robust processing in compact applications.

Key Features

• Core: 32-bit ARM® Cortex®-M0+ processor @ 32MHz
• Ultra-Low Power: Operates from 1.65V to 3.6V for battery efficiency
• Memory: 192KB Flash, 20KB SRAM, 6KB EEPROM
• Connectivity: USB, UART/USART, SPI, I²C, IrDA
• I/O Pins: 37 programmable GPIOs
• Data Conversion: 10x12b ADC, 2x12b DAC
• Robust Operation: -40°C to +85°C industrial temperature range

Technical Details

This surface-mount microcontroller in a 48-LQFP (7×7) package integrates advanced peripherals including brown-out reset, DMA controllers, PWM timers, and watchdogs. Its internal oscillator reduces external component count, while the 12-bit analog converters ensure precision sensing. The STM32L0 series leverages ST’s proprietary ultra-low-leakage manufacturing process, achieving industry-leading power consumption metrics in active and sleep modes.

Typical Applications

• Smart sensors and IoT edge nodes
• Portable medical monitoring devices
• Energy harvesting systems
• Building automation controls
• Battery-powered consumer electronics

About STMicroelectronics

STMicroelectronics is a global semiconductor leader with 40+ years of innovation in microcontroller technology. Their STM32 portfolio, renowned for reliability and comprehensive ecosystem support, powers mission-critical industrial, automotive, and consumer applications worldwide. ST’s commitment to quality is evidenced by rigorous automotive-grade testing protocols applied across their entire product range.

The company invests heavily in energy-efficient architectures, holding over 500 patents related to low-power design. STMicroelectronics maintains AS9100D-certified manufacturing facilities, ensuring aerospace-grade traceability and defect rates below 0.1ppm for all microcontrollers. Their technical support includes free STM32CubeIDE tools and hardware abstraction libraries.

About Microcontrollers

Microcontrollers (MCUs) are integrated circuits that serve as the computational “brain” in embedded systems, combining processors, memory, and programmable I/O on a single chip. Unlike general-purpose processors, MCUs excel in dedicated real-time control tasks with deterministic response times. Their optimized architecture enables compact, cost-effective solutions for interactive electronics where power, space, and reliability are paramount.

Modern MCUs like the STM32L0 series incorporate specialized peripherals (ADCs, communication interfaces, timers) that eliminate external components while supporting complex tasks. They form the foundation of Industry 4.0, enabling smart functionality in everything from wearables to industrial robots. Selecting the right MCU involves balancing processing needs, power budgets, connectivity requirements, and environmental constraints.

Packaging

Available in protective manufacturing trays. Contact PCX for Tape & Reel or other custom packaging requirements.

FAQs

Q: What makes this MCU suitable for battery-powered devices?
A: The 1.65-3.6V operating range and multiple low-power modes (including 0.28μA in standby with RTC) drastically extend battery life.

Q: Is USB host/device support included?
A: Yes, the integrated USB 2.0 full-speed controller supports both device and host modes without external PHY.

Q: Can I upgrade from older STM32L0 devices?
A: The STM32L072 maintains pin and software compatibility with STM32L052/L062, simplifying migrations.

Q: What development tools support this microcontroller?
A: ST’s STM32CubeMX and ST-LINK programmers are fully compatible. Third-party IDEs like IAR EWARM and Keil MDK also offer support.

Q: How does the Cortex-M0+ core benefit real-time applications?
A: Its single-cycle I/O access and deterministic interrupt response (<6 cycles) ensure predictable timing for control loops.

Q: Are safety certifications available for medical devices?
A: ST provides IEC 60335 and IEC 60730 certification packages for safety-critical designs upon request.

For complete specifications, download the datasheet (PDF).

Product images are representational; verify markings upon receipt.

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