STM32L072KZU6TR STMicroelectronics Integrated Circuit (Quad Flat No-Lead) In Stock
The STM32L072KZU6TR from STMicroelectronics is an ultra-low-power 32-bit ARM Cortex-M0+ MCU running up to 32MHz with 192KB Flash, 20KB SRAM, 6KB EEPROM, USB, ADC, and dual DAC channels in a 32-pin QFN package. It is optimized for energy-harvesting IoT and wearable applications. Available worldwide with fast shipping.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat No-Lead
- Pin Count
- 33
- Lifecycle
- ACTIVE
- Datasheet
- STM32L072KZU6TR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.4400(MOQ 3000)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low-power Cortex-M0+ core running at up to 32MHz with multiple low-power stop and standby modes extending battery life in IoT nodes
- 192KB Flash and 6KB embedded EEPROM enable in-field parameter storage without external NVM in compact 32-pin QFN form factor
- Integrated USB 2.0 full-speed interface, 12-bit ADC, and dual DAC channels reduce BOM by eliminating external analog and USB bridge ICs
Applications
The STM32L072KZU6TR is ideal for battery-powered IoT sensor nodes, smart meters, and wearable health monitors where the combination of ultra-low standby current, 192KB of code storage, and onboard USB enables wireless-free firmware updates without additional interface ICs. Its 6KB EEPROM simplifies calibration data retention across power cycles, making it well suited for industrial sensors and environmental loggers. The 32-pin QFN package also fits constrained PCB layouts in portable medical devices and building automation modules that require analog signal conditioning via the integrated 12-bit ADC and dual DAC channels.
Specifications
| Factory Lead Time | 15Weeks |
| YTEOL | 9 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | NO |
| CPU Family | CORTEX-M0 |
| Clock Frequency-Max | 32MHz |
| DAC Channels | YES |
| DMA Channels | YES |
| JESD-30 Code | S-XQCC-N32 |
| Number of DMA Channels | 7 |
| Number of I/O Lines | 23 |
| Number of Timers | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | UNSPECIFIED |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| RAM (bytes) | 20480 |
| ROM (words) | 196608 |
| ROM Programmability | FLASH |
| Speed | 32MHz |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.25 |
| Country of Origin | Mainland China |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for STM32L072KZU6TR:
Frequently Asked Questions
How much non-volatile storage does the STM32L072KZU6TR provide, and can it store calibration data without external EEPROM?
The STM32L072KZU6TR integrates 192KB of Flash for program code and a dedicated 6KB EEPROM for persistent data storage, eliminating the need for an external I2C or SPI EEPROM in most sensor designs. The 6KB EEPROM retains calibration coefficients, configuration parameters, and factory trim values across power cycles, making it sufficient for industrial sensors that store 20 to 50 calibration points of 32-bit floating-point data.
Which low-power IoT applications are best served by STM32L072KZU6TR running at 32 MHz from a 3.3V supply?
Smart utility meters, LoRaWAN end-nodes, and environmental data loggers benefit most from the STM32L072KZU6TR because the 32 MHz Cortex-M0+ core wakes from stop mode in under 5 microseconds, processes a sensor reading, and returns to sleep in milliseconds on a 3.3V supply. The onboard USB 2.0 full-speed port further enables firmware updates via a USB cable without requiring an additional UART-to-USB bridge IC, saving both cost and board space.
Does the STM32L072KZU6TR include analog peripherals that reduce external component count in a sensor design?
Yes, the STM32L072KZU6TR integrates a 12-bit ADC with multiple input channels and two DAC channels, enabling direct analog signal acquisition and generation without external converter ICs. For a current-loop sensor transmitter design, the dual DAC channels can drive a 4mA to 20mA output stage while the ADC simultaneously samples the process variable, all within the 32-pin QFN footprint.
When is the STM32L072KZU6TR a lower-cost alternative to the STM32L073 in a space-constrained design?
The STM32L072KZU6TR is the preferred choice over STM32L073 when the application does not require more than 192KB Flash and can fit in a 32-pin QFN package, as it offers the same Cortex-M0+ core at 32 MHz with USB, ADC, and dual DAC at a lower price point. For designs with a PCB area budget under 5mm x 5mm and a firmware image below 180KB, the STM32L072KZU6TR provides an identical peripheral set to the STM32L073 at reduced component cost.
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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.
More from STMicroelectronics
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 3000+ | $2.4400 | $7320.00 |
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