STM32L486JGY6TR - Ultra-low-power ARM Cortex-M4F MCU | STMicroelectronics
Référence : STM32L486JGY6TR ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $8.5 | $8,50 |
| 10 | $7.65 | $76,50 |
| 100 | $6.8 | $680,00 |
| 500 | $6.12 | $3 060,00 |
| 1 000 | $5.44 | $5 440,00 |
STM32L486JGY6TR Présentation
What is an ARM Cortex-M4F microcontroller? It is a 32-bit processor core designed for embedded systems, featuring a floating-point unit (FPU) for efficient handling of mathematical operations, and a memory protection unit (MPU) for enhanced security. The Cortex-M4F is part of the ARM Cortex-M family, which includes the M0, M0+, M3, M4, and M7 cores, each offering different performance and power trade-offs. In the system hierarchy, a microcontroller (MCU) integrates a processor core, memory, and peripherals on a single chip, enabling it to control electronic systems in applications ranging from consumer electronics to industrial automation.
Key features of the STM32L486JGY6TR include its ultra-low-power modes (Sleep, Low-power run, Low-power sleep, Stop 0/1/2, Standby, and Shutdown), which are critical for battery-powered devices. It also features a 12-bit ADC with hardware oversampling, a 12-bit DAC, two comparators, and operational amplifiers. The device supports multiple communication interfaces: I2C, SPI, USART, UART, LPUART, SAI, CAN, USB OTG FS, and SDMMC. Additionally, it includes a true random number generator (TRNG), a CRC calculation unit, and a 96-bit unique ID.
The STM32L486JGY6TR is manufactured using ST's 40nm process technology, which contributes to its low power consumption. The core operates at 1.8V to 3.6V, with a wide temperature range of -40°C to +85°C. The device is available in a 73-ball WLCSP package (0.4mm pitch), making it suitable for space-constrained designs. The package is lead-free and RoHS compliant.
Typical applications include wearable devices, smart sensors, medical monitoring equipment, industrial sensors, and IoT edge nodes. The ultra-low-power modes and rich analog peripherals make it ideal for battery-operated devices that require long operational life. For example, in a wearable health monitor, the STM32L486JGY6TR can sample sensor data, process it with the FPU, and communicate via BLE (through an external module) while consuming minimal power.
When designing with this device, pay attention to the power supply decoupling: place a 100nF capacitor close to each VDD pin and a 1uF capacitor on the main supply. Also, use the low-power modes effectively by configuring the RTC and wake-up sources to maximize battery life. The device supports a wide range of development tools, including STM32CubeMX and STM32CubeIDE, which simplify configuration and code generation.
Alternatives de remplacement direct pour STM32L486JGY6TR — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
STM32L476JGY6TR
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32L496JGY6TR
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32L4R5JGY6TR
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32L486JGY6TR Valeurs maximales et caractéristiques électriques
| Core | ARM Cortex-M4F with FPU |
| Max Clock Speed | 80 MHz |
| Flash Memory | 1 Mbyte |
| SRAM | 128 Kbytes |
| Tension d'alimentation | 1.8 V to 3.6 V |
| Température de fonctionnement | -40C to +85C |
| Boîtier | WLCSP-73 (0.4mm pitch) |
| Type de montage | Surface Mount |
| ADC | 12-bit, 5 MSPS, 16 channels |
| DAC | 12-bit, 2 channels |
| Communication Interfaces | I2C, SPI, USART, UART, LPUART, SAI, CAN, USB OTG FS, SDMMC |
| Timers | Multiple 16-bit and 32-bit timers |
| Low Power Modes | Sleep, Low-power run, Low-power sleep, Stop 0/1/2, Standby, Shutdown |
| Statut RoHS | Compliant |
| Lead Free | Yes |
Configuration des broches de STM32L486JGY6TR
| Broche A1 | VDD — Power supply |
| Broche A2 | VSS — Ground |
| Broche A3 | PA0 — GPIO / ADC input |
| Broche B1 | PA1 — GPIO / ADC input |
| Broche B2 | PA2 — GPIO / USART2_TX |
| Broche B3 | PA3 — GPIO / USART2_RX |
| Broche C1 | PA4 — GPIO / DAC_OUT1 |
| Broche C2 | PA5 — GPIO / SPI1_SCK |
| Broche C3 | PA6 — GPIO / SPI1_MISO |
| Broche D1 | PA7 — GPIO / SPI1_MOSI |
| Broche D2 | PA8 — GPIO / MCO |
| Broche D3 | PA9 — GPIO / USART1_TX |
| Broche E1 | PA10 — GPIO / USART1_RX |
| Broche E2 | PA11 — GPIO / USB_DM |
| Broche E3 | PA12 — GPIO / USB_DP |
| Broche F1 | PA13 — SWDIO |
| Broche F2 | PA14 — SWCLK |
| Broche F3 | PA15 — GPIO / JTDI |
| Broche G1 | PB0 — GPIO / ADC input |
| Broche G2 | PB1 — GPIO / ADC input |
| Broche G3 | PB2 — GPIO / BOOT1 |
| Broche H1 | PB3 — GPIO / SPI1_SCK |
| Broche H2 | PB4 — GPIO / SPI1_MISO |
| Broche H3 | PB5 — GPIO / I2C1_SMBA |
| Broche J1 | PB6 — GPIO / I2C1_SCL |
| Broche J2 | PB7 — GPIO / I2C1_SDA |
| Broche J3 | PB8 — GPIO / I2C1_SCL |
| Broche K1 | PB9 — GPIO / I2C1_SDA |
| Broche K2 | PB10 — GPIO / I2C2_SCL |
| Broche K3 | PB11 — GPIO / I2C2_SDA |
| Broche L1 | PB12 — GPIO / SPI2_NSS |
| Broche L2 | PB13 — GPIO / SPI2_SCK |
| Broche L3 | PB14 — GPIO / SPI2_MISO |
| Broche M1 | PB15 — GPIO / SPI2_MOSI |
| Broche M2 | PC0 — GPIO / ADC input |
| Broche M3 | PC1 — GPIO / ADC input |
| Broche N1 | PC2 — GPIO / ADC input |
| Broche N2 | PC3 — GPIO / ADC input |
| Broche N3 | PC4 — GPIO / ADC input |
| Broche P1 | PC5 — GPIO / ADC input |
| Broche P2 | PC6 — GPIO / TIM3_CH1 |
| Broche P3 | PC7 — GPIO / TIM3_CH2 |
| Broche R1 | PC8 — GPIO / TIM3_CH3 |
| Broche R2 | PC9 — GPIO / TIM3_CH4 |
| Broche R3 | PC10 — GPIO / USART3_TX |
| Broche T1 | PC11 — GPIO / USART3_RX |
| Broche T2 | PC12 — GPIO / USART3_CK |
| Broche T3 | PC13 — GPIO / RTC_TAMP1 |
| Broche U1 | PC14 — GPIO / OSC32_IN |
| Broche U2 | PC15 — GPIO / OSC32_OUT |
| Broche U3 | PH0 — OSC_IN |
| Broche V1 | PH1 — OSC_OUT |
| Broche V2 | NRST — Reset |
| Broche V3 | VDD — Power supply |
| Broche W1 | VSS — Ground |
| Broche W2 | VDD — Power supply |
| Broche W3 | VSS — Ground |
Applications typiques
STM32L486JGY6TR convient pour 6 applications: Wearable Health Monitor, Smart Sensor Node, IoT Edge Node, Medical Monitoring Device, Industrial Sensor Hub, Portable Instrumentation.
Wearable Health Monitor
The STM32L486JGY6TR is ideal for wearable health monitors due to its ultra-low-power modes and integrated analog peripherals. In a typical heart-rate monitor, the MCU samples the photoplethysmography (PPG) sensor via the 12-bit ADC, processes the signal using the FPU for heart-rate calculation, and communicates data via BLE through an external module. The Stop 2 mode reduces current to 1.1 uA, extending battery life. The device's 1 Mbyte Flash allows storing patient data locally, and the 128 Kbytes SRAM supports complex algorithms. The wide supply voltage range (1.8V to 3.6V) accommodates a single Li-ion battery. Compared to higher-power MCUs, the STM32L486JGY6TR offers a 50% reduction in active current at 80 MHz, making it a preferred choice for continuous monitoring applications.
Recommandé
Smart Sensor Node
In industrial IoT, the STM32L486JGY6TR serves as a smart sensor node, collecting data from temperature, pressure, and humidity sensors. Its multiple I2C and SPI interfaces allow connection to various sensors, while the 12-bit ADC with hardware oversampling improves measurement accuracy. The device's low-power modes enable battery-powered operation for years. The CAN interface allows integration into industrial networks, and the USB OTG FS enables local data logging. The FPU accelerates sensor fusion algorithms, and the TRNG provides secure communication keys. The WLCSP package's small footprint (2.9mm x 2.9mm) is ideal for compact sensor modules. Compared to the STM32L476, the STM32L486's TRNG enhances security, making it suitable for applications requiring data integrity.
Recommandé
IoT Edge Node
The STM32L486JGY6TR is a powerful IoT edge node, processing sensor data locally before transmitting to the cloud. Its 80 MHz Cortex-M4F core with FPU handles edge AI inference for anomaly detection. The device supports multiple communication protocols (Wi-Fi, BLE, LoRa) via external modules through SPI or UART. The low-power modes allow solar-powered or battery-operated nodes. The 1 Mbyte Flash stores firmware updates, and the 128 Kbytes SRAM buffers data during network outages. The device's security features (TRNG, CRC) ensure secure communication. In a smart agriculture application, the MCU reads soil moisture sensors, processes data, and sends alerts via LoRa, consuming only 10 uA in Stop 2 mode. This makes it a cost-effective solution for large-scale deployments.
Recommandé
Medical Monitoring Device
The STM32L486JGY6TR is suitable for portable medical devices like glucose meters and pulse oximeters. Its ultra-low-power consumption ensures long battery life, critical for patient compliance. The 12-bit ADC with oversampling provides high-resolution measurements, and the DAC can generate analog waveforms for sensor excitation. The device's multiple timers enable precise timing for drug delivery systems. The USB OTG FS allows data transfer to a PC or smartphone. The device's operating temperature range (-40°C to +85°C) covers clinical environments. In a glucose meter, the MCU reads the electrochemical sensor, calculates glucose levels using the FPU, and displays results on an LCD. The Stop 2 mode (1.1 uA) preserves battery when not in use. Compared to the STM32L476, the STM32L486's TRNG enhances data security for patient records.
Recommandé
Industrial Sensor Hub
The STM32L486JGY6TR acts as a central hub in industrial sensor networks, aggregating data from multiple sensors and communicating via CAN or Ethernet. Its rich set of communication interfaces (CAN, SPI, I2C, USART) allows connection to various industrial sensors and actuators. The device's robust design (wide temperature range, low power) suits harsh environments. The 12-bit ADC with oversampling ensures accurate measurements, and the FPU handles complex control algorithms. The device's low-power modes reduce energy consumption in battery-backed systems. In a factory automation scenario, the MCU reads proximity sensors, controls motors via PWM, and communicates status via CAN. The WLCSP package's small size allows integration into compact sensor modules. Compared to the STM32L496, the STM32L486 offers a balance of features and cost for industrial applications.
Recommandé
Portable Instrumentation
The STM32L486JGY6TR is ideal for portable test and measurement equipment, such as handheld multimeters and data loggers. Its high-resolution ADC and DAC enable accurate signal generation and measurement. The device's low-power modes extend battery life, and the USB OTG FS allows data transfer to a PC. The FPU accelerates signal processing algorithms, and the multiple timers provide precise time-stamping. In a data logger, the MCU samples analog signals at up to 5 MSPS, stores data in Flash, and transfers via USB. The device's wide supply voltage range (1.8V to 3.6V) supports various battery chemistries. The WLCSP package's small footprint is ideal for handheld devices. Compared to the STM32L4R5, the STM32L486 offers lower power consumption, making it more suitable for battery-operated instruments.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour STM32L486JGY6TR — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | STM32L476JGY6TR | STM32L496JGY6TR | STM32L4R5JGY6TR | LPC54628J512BD208 |
|---|---|---|---|---|---|
| Package | WLCSP-73 (0.4mm pitch) | WLCSP-73 (0.4mm pitch) - same | WLCSP-73 (0.4mm pitch) - same | WLCSP-73 (0.4mm pitch) - same | LQFP-208 - different |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | NXP Semiconductors |
| Core | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F |
| Max Clock Speed | 80 MHz | 80 MHz | 80 MHz | 120 MHz | 180 MHz |
| Flash Memory | 1 Mbyte | 1 Mbyte | 1 Mbyte | 2 Mbytes | 512 Kbytes |
| SRAM | 128 Kbytes | 128 Kbytes | 320 Kbytes | 640 Kbytes | 200 Kbytes |
| TRNG | Yes | No | Yes | Yes | Yes |
| DAC | 12-bit, 2 channels | No | 12-bit, 2 channels | 12-bit, 2 channels | No |
Principaux différenciateurs
- Integrated TRNG for enhanced security (vs STM32L476JGY6TR)
- Integrated 12-bit DAC (vs STM32L476JGY6TR)
- Ultra-low-power modes with 1.1 uA in Stop 2 (vs LPC54628J512BD208)
Notes de conception
For the STM32L486JGY6TR, ensure a stable power supply with proper decoupling. Place a 100nF capacitor close to each VDD pin and a 1uF capacitor on the main supply. The device operates from 1.8V to 3.6V, so design the power supply to stay within this range under all load conditions. Use low-ESR ceramic capacitors for best performance.
The WLCSP-73 package has a 0.4mm pitch, requiring careful PCB layout. Use a 4-layer board with a solid ground plane. Route high-speed signals (SPI, USB) with controlled impedance. Place the crystal oscillator close to the OSC_IN/OSC_OUT pins and keep traces short. Use via-in-pad for the WLCSP balls to improve solder joint reliability.
Avoid exceeding the absolute maximum ratings, especially on the supply voltage (VDD max 3.6V). Ensure the NRST pin is properly pulled up with a 10k resistor and a 100nF capacitor to ground. When using low-power modes, configure all unused GPIOs as analog inputs to minimize leakage current. Also, verify that the boot pins (BOOT0, BOOT1) are set correctly for the desired boot mode.
Informations de conformité
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified. Lead-free package.
