STM32L083RBT6 - Ultra-Low-Power ARM Cortex-M0+ MCU | STMicroelectronics
Référence : STM32L083RBT6 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $4.32 | $4,32 |
| 10 | $3.89 | $38,90 |
| 100 | $3.46 | $346,00 |
| 500 | $3.11 | $1 555,00 |
| 1 000 | $2.77 | $2 770,00 |
STM32L083RBT6 Présentation
An ultra-low-power microcontroller (MCU) is a type of embedded processor designed to minimize energy consumption while maintaining sufficient processing capability for battery-powered or energy-harvesting applications. These MCUs typically feature multiple low-power modes, such as sleep, stop, and standby, allowing the system to dynamically trade off performance for power savings. The STM32L0 series sits within the broader STM32 family, which spans from the entry-level Cortex-M0+ parts to high-performance Cortex-M7 devices, and is specifically optimized for applications where power efficiency is paramount.
Key features of the STM32L083RBT6 include a 12-bit ADC with hardware oversampling, a 12-bit DAC, two comparators, and an integrated LCD driver supporting up to 8x40 segments. It also offers a comprehensive set of communication peripherals: two I2C interfaces, two SPI interfaces, two USARTs, and one low-power UART. The device supports USB 2.0 full-speed device mode, making it suitable for applications requiring connectivity. Additionally, it includes a hardware random number generator (RNG) and a true RTC with calendar and alarm functions.
The STM32L083RBT6 is built on ST's ultra-low-power technology, featuring dynamic voltage scaling and a wide supply voltage range from 1.8V to 3.6V. It achieves a typical power consumption of 0.29 µA in Standby mode with RTC, and 3.4 µA in Stop mode with RTC. The device also supports a low-power run mode at 32 kHz, consuming only 3.2 µA. These characteristics make it ideal for battery-operated devices, such as smart meters, medical monitors, and portable sensors.
Typical applications include smart meters, healthcare devices, industrial sensors, and IoT nodes. The integrated LCD driver simplifies the design of display-equipped devices, while the multiple low-power modes enable extended battery life. The device is also supported by ST's comprehensive ecosystem, including the STM32CubeMX configuration tool and the STM32CubeL0 firmware library, which accelerate development.
When designing with this MCU, careful attention should be paid to the power supply decoupling and the selection of the appropriate low-power mode for the application's duty cycle. The use of the internal 16 MHz HSI oscillator can reduce external component count, but for precise timing, an external crystal is recommended. The device's brown-out reset and power-on reset features ensure reliable operation across the supply voltage range.
Alternatives de remplacement direct pour STM32L083RBT6 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec STM32L083RBT6 (même facteur de forme et même empreinte) — différant par Package, ADC, DAC, I2C Interfaces, RTC.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
STM32L083RBT6TR
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
STM32L082RBT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32L081RBT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32L073RBT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$2.93 / unité
Voir la fiche technique →STM32L071RBT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32L072RBT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$2.88 / unité
Voir la fiche technique →STM32L083RBT6 Valeurs maximales et caractéristiques électriques
| Core | ARM Cortex-M0+ |
| Maximum Frequency | 32 MHz |
| Flash Memory | 128 KB |
| SRAM | 20 KB |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Boîtier | LQFP-64 |
| Plage de température de fonctionnement | -40C to +85C |
| ADC | 12-bit, 16 channels, with hardware oversampling |
| DAC | 12-bit, 2 channels |
| Comparators | 2 |
| LCD Driver | 8x40 segments |
| I2C Interfaces | 2 |
| SPI Interfaces | 2 |
| USART Interfaces | 2 |
| Low-Power UART | 1 |
| USB | USB 2.0 full-speed device |
| RNG | Hardware random number generator |
| RTC | True RTC with calendar and alarm |
| Standby Mode Current | 0.29 µA (with RTC) |
| Stop Mode Current | 3.4 µA (with RTC) |
| Low-Power Run Mode Current | 3.2 µA at 32 kHz |
| Statut RoHS | Compliant |
Configuration des broches de STM32L083RBT6
| Broche 1 | VBAT — Backup battery supply for RTC and backup registers |
| Broche 2 | PC13 — GPIO / RTC tamper / RTC wakeup |
| Broche 3 | PC14 — GPIO / OSC32_IN |
| Broche 4 | PC15 — GPIO / OSC32_OUT |
| Broche 5 | PF0 — GPIO / OSC_IN |
| Broche 6 | PF1 — GPIO / OSC_OUT |
| Broche 7 | NRST — Reset (active low) |
| Broche 8 | VSSA — Analog ground |
| Broche 9 | VDDA — Analog power supply |
| Broche 10 | PA0 — GPIO / ADC_IN0 / WKUP1 |
| Broche 11 | PA1 — GPIO / ADC_IN1 |
| Broche 12 | PA2 — GPIO / ADC_IN2 / USART2_TX |
| Broche 13 | PA3 — GPIO / ADC_IN3 / USART2_RX |
| Broche 14 | PA4 — GPIO / ADC_IN4 / DAC_OUT1 |
| Broche 15 | PA5 — GPIO / ADC_IN5 / DAC_OUT2 |
| Broche 16 | PA6 — GPIO / ADC_IN6 / SPI1_MISO |
| Broche 17 | PA7 — GPIO / ADC_IN7 / SPI1_MOSI |
| Broche 18 | PB0 — GPIO / ADC_IN8 |
| Broche 19 | PB1 — GPIO / ADC_IN9 |
| Broche 20 | PB2 — GPIO / BOOT1 |
| Broche 21 | PB10 — GPIO / I2C2_SCL / USART3_TX |
| Broche 22 | PB11 — GPIO / I2C2_SDA / USART3_RX |
| Broche 23 | PB12 — GPIO / SPI2_NSS / I2C2_SMBA |
| Broche 24 | PB13 — GPIO / SPI2_SCK |
| Broche 25 | PB14 — GPIO / SPI2_MISO |
| Broche 26 | PB15 — GPIO / SPI2_MOSI |
| Broche 27 | PC6 — GPIO / USART6_TX |
| Broche 28 | PC7 — GPIO / USART6_RX |
| Broche 29 | PC8 — GPIO / USART6_CK |
| Broche 30 | PC9 — GPIO / USART6_CTS |
| Broche 31 | PA8 — GPIO / MCO / USART1_CK |
| Broche 32 | PA9 — GPIO / USART1_TX / USB_VBUS |
| Broche 33 | PA10 — GPIO / USART1_RX / USB_DM |
| Broche 34 | PA11 — GPIO / USB_DM / USART1_CTS |
| Broche 35 | PA12 — GPIO / USB_DP / USART1_RTS |
| Broche 36 | PA13 — GPIO / SWDIO |
| Broche 37 | PA14 — GPIO / SWCLK |
| Broche 38 | PA15 — GPIO / SPI1_NSS / JTDI |
| Broche 39 | PB3 — GPIO / SPI1_SCK / JTDO |
| Broche 40 | PB4 — GPIO / SPI1_MISO / NJTRST |
| Broche 41 | PB5 — GPIO / SPI1_MOSI / I2C1_SMBA |
| Broche 42 | PB6 — GPIO / I2C1_SCL / USART1_TX |
| Broche 43 | PB7 — GPIO / I2C1_SDA / USART1_RX |
| Broche 44 | BOOT0 — Boot mode selection |
| Broche 45 | PB8 — GPIO / I2C1_SCL / CAN_RX |
| Broche 46 | PB9 — GPIO / I2C1_SDA / CAN_TX |
| Broche 47 | VSS — Ground |
| Broche 48 | VDD — Power supply |
| Broche 49 | PC10 — GPIO / USART4_TX |
| Broche 50 | PC11 — GPIO / USART4_RX |
| Broche 51 | PC12 — GPIO / USART5_TX |
| Broche 52 | PD2 — GPIO / USART5_RX |
| Broche 53 | PB13 — GPIO / SPI2_SCK |
| Broche 54 | PB14 — GPIO / SPI2_MISO |
| Broche 55 | PB15 — GPIO / SPI2_MOSI |
| Broche 56 | PC13 — GPIO / RTC_TAMP1 |
| Broche 57 | PC14 — GPIO / OSC32_IN |
| Broche 58 | PC15 — GPIO / OSC32_OUT |
| Broche 59 | PF0 — GPIO / OSC_IN |
| Broche 60 | PF1 — GPIO / OSC_OUT |
| Broche 61 | VSS — Ground |
| Broche 62 | VDD — Power supply |
| Broche 63 | VSS — Ground |
| Broche 64 | VDD — Power supply |
Applications typiques
STM32L083RBT6 convient pour 6 applications: Smart Meters, Healthcare Devices, Industrial Sensors, IoT Nodes, Portable Instruments, Smart Home Devices.
Smart Meters
The STM32L083RBT6 is ideal for smart meters due to its ultra-low-power consumption, integrated LCD driver, and multiple communication interfaces. In a typical smart meter, the MCU reads sensor data, processes it, and displays it on an LCD while periodically transmitting data via a communication interface. The low-power modes allow the meter to operate for years on a single battery. The 12-bit ADC with hardware oversampling ensures accurate measurement of voltage and current, while the RTC provides precise timekeeping for billing purposes. The device's wide supply voltage range (1.8V to 3.6V) accommodates various battery configurations, and its robust peripheral set simplifies the design of a complete metering solution.
Recommandé
Healthcare Devices
The STM32L083RBT6 is well-suited for healthcare devices such as portable patient monitors, glucose meters, and pulse oximeters. Its ultra-low-power operation extends battery life, which is critical for wearable and portable medical devices. The integrated ADC and comparators enable accurate sensor signal conditioning, while the multiple communication interfaces allow data transfer to a smartphone or cloud. The device's small form factor and low power consumption make it ideal for continuous monitoring applications. The RTC ensures accurate time-stamping of medical data, and the hardware RNG can be used for secure data encryption, protecting patient privacy.
Recommandé
Industrial Sensors
The STM32L083RBT6 is an excellent choice for industrial sensors, such as temperature, pressure, and flow sensors. Its wide operating temperature range (-40C to +85C) and robust design make it suitable for harsh industrial environments. The device's low-power modes enable battery-powered wireless sensor nodes that can operate for years without maintenance. The 12-bit ADC with oversampling provides high-resolution measurements, and the multiple communication interfaces (I2C, SPI, USART) allow easy integration with various sensor modules. The integrated LCD driver can be used for local display of sensor readings, and the RTC enables time-stamped data logging.
Recommandé
IoT Nodes
The STM32L083RBT6 is a perfect fit for IoT nodes, which require low power consumption, wireless connectivity, and sensor interfacing. The device's ultra-low-power modes allow battery-powered IoT nodes to operate for extended periods, making them suitable for smart home, environmental monitoring, and asset tracking applications. The multiple communication interfaces support various wireless modules, such as LoRa, BLE, and Zigbee. The integrated ADC and comparators enable direct connection to analog sensors, while the hardware RNG provides secure communication. The device's small package and rich peripheral set make it a versatile choice for IoT edge devices.
Recommandé
Portable Instruments
The STM32L083RBT6 is ideal for portable instruments such as digital multimeters, handheld data loggers, and portable test equipment. Its low power consumption ensures long battery life, and the integrated LCD driver simplifies the display interface. The 12-bit ADC with oversampling provides accurate measurements, and the multiple communication interfaces allow data transfer to a PC or smartphone. The device's wide supply voltage range and low-power modes make it suitable for battery-powered operation. The RTC enables time-stamped data logging, and the hardware RNG can be used for secure data storage.
Recommandé
Smart Home Devices
The STM32L083RBT6 is well-suited for smart home devices such as smart thermostats, smart locks, and environmental monitors. Its ultra-low-power consumption allows battery-powered devices to operate for years, and the integrated LCD driver can be used for local display. The multiple communication interfaces support various wireless protocols, enabling integration with smart home hubs. The device's low-power modes are ideal for devices that spend most of their time in sleep mode, waking up only to respond to events. The hardware RNG provides secure communication, and the RTC enables scheduling and time-based automation.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour STM32L083RBT6 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | STM32L083RBT6TR | STM32L082RBT6 | STM32L073RBT6 |
|---|---|---|---|---|
| Package | LQFP-64 | LQFP-64 | LQFP-64 | LQFP-64 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Maximum Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Flash Memory | 128 KB | 128 KB | 64 KB | 128 KB |
| SRAM | 20 KB | 20 KB | 8 KB | 20 KB |
| LCD Driver | Yes (8x40) | Yes (8x40) | Yes (8x40) | Yes (8x40) |
| Hardware RNG | Yes | Yes | No | No |
| True RTC | Yes | Yes | No | No |
Principaux différenciateurs
- Integrated LCD driver supporting up to 8x40 segments (vs STM32L071RBT6)
- Hardware random number generator (RNG) (vs STM32L073RBT6)
- True RTC with calendar and alarm (vs STM32L073RBT6)
Notes de conception
The STM32L083RBT6 operates from 1.8V to 3.6V. Use a low-dropout regulator (LDO) to provide a stable supply voltage. Decouple the VDD and VDDA pins with 100nF and 1uF capacitors placed close to the pins. For battery-powered applications, consider using the low-power modes (Standby, Stop) to minimize current consumption. The VBAT pin can be connected to a backup battery to maintain RTC and backup registers when the main supply is removed.
For the LQFP-64 package, ensure proper PCB layout with a solid ground plane. Place decoupling capacitors (100nF) as close as possible to each VDD/VSS pair. For the ADC, provide a clean analog ground (VSSA) and analog supply (VDDA) with a ferrite bead to isolate from digital noise. The crystal oscillator pins (OSC_IN/OSC_OUT) should have short traces and proper load capacitors. Follow the layout guidelines in the STM32L0 reference manual (RM0367) for best performance.
Ensure the BOOT0 pin is properly configured to select the correct boot mode. For normal operation, BOOT0 should be tied low. The NRST pin should have a 100nF capacitor to ground for reliable reset. When using the USB interface, ensure the VBUS pin is connected to the USB power and the USB_DP/USB_DM traces are impedance-matched (90 ohms differential). Avoid floating GPIO pins by configuring them as outputs or enabling pull-ups/pull-downs to reduce leakage current.
Informations de conformité
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified - choose STM32L083RBT6Q for automotive.
