STMicroelectronics

STM32L486JGY6TR - Ultra-low-power ARM Cortex-M4F MCU | STMicroelectronics

Name: STM32L486JGY6TR
Brand: STMicroelectronics
Price: 8.50 USD
Availability: InStock

MPN: STM32L486JGY6TR ✓ Active

In Stock (99,999) Ships in 1-3 business days

1.8 V to 3.6 V Vdss WLCSP-73 (0.4mm pitch) Package 80 MHz Speed 1 Mbyte Memory

$8.5 USD / Unit

MOQ: 1 |

Volume Pricing

Qty	Unit Price	Extended
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

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for STM32L486JGY6TR — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

STM32L476JGY6TR

✅ Drop-In

📦 WLCSP-73 (0.4mm pitch)

Same package and pinout, but lacks TRNG and DAC

📋 Reference alternative (not in catalog)

STM32L496JGY6TR

✅ Drop-In

📦 WLCSP-73 (0.4mm pitch)

Same package, more SRAM (320 Kbytes) and additional features

📋 Reference alternative (not in catalog)

STM32L4R5JGY6TR

✅ Drop-In

📦 WLCSP-73 (0.4mm pitch)

Same package, higher clock (120 MHz) and more SRAM

📋 Reference alternative (not in catalog)

ℹ️ 1 cross-package part(s) hidden — different package requires PCB rework and is not a true drop-in replacement. Contact us if you need cross-package suggestions.

STM32L486JGY6TR Maximum Ratings & Electrical Characteristics

Core	ARM Cortex-M4F with FPU
Max Clock Speed	80 MHz
Flash Memory	1 Mbyte
SRAM	128 Kbytes
Supply Voltage	1.8 V to 3.6 V
Operating Temperature	-40C to +85C
Package	WLCSP-73 (0.4mm pitch)
Mounting Type	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
RoHS Status	Compliant
Lead Free	Yes

STM32L486JGY6TR Pin Configuration

Pin A1	VDD — Power supply
Pin A2	VSS — Ground
Pin A3	PA0 — GPIO / ADC input
Pin B1	PA1 — GPIO / ADC input
Pin B2	PA2 — GPIO / USART2_TX
Pin B3	PA3 — GPIO / USART2_RX
Pin C1	PA4 — GPIO / DAC_OUT1
Pin C2	PA5 — GPIO / SPI1_SCK
Pin C3	PA6 — GPIO / SPI1_MISO
Pin D1	PA7 — GPIO / SPI1_MOSI
Pin D2	PA8 — GPIO / MCO
Pin D3	PA9 — GPIO / USART1_TX
Pin E1	PA10 — GPIO / USART1_RX
Pin E2	PA11 — GPIO / USB_DM
Pin E3	PA12 — GPIO / USB_DP
Pin F1	PA13 — SWDIO
Pin F2	PA14 — SWCLK
Pin F3	PA15 — GPIO / JTDI
Pin G1	PB0 — GPIO / ADC input
Pin G2	PB1 — GPIO / ADC input
Pin G3	PB2 — GPIO / BOOT1
Pin H1	PB3 — GPIO / SPI1_SCK
Pin H2	PB4 — GPIO / SPI1_MISO
Pin H3	PB5 — GPIO / I2C1_SMBA
Pin J1	PB6 — GPIO / I2C1_SCL
Pin J2	PB7 — GPIO / I2C1_SDA
Pin J3	PB8 — GPIO / I2C1_SCL
Pin K1	PB9 — GPIO / I2C1_SDA
Pin K2	PB10 — GPIO / I2C2_SCL
Pin K3	PB11 — GPIO / I2C2_SDA
Pin L1	PB12 — GPIO / SPI2_NSS
Pin L2	PB13 — GPIO / SPI2_SCK
Pin L3	PB14 — GPIO / SPI2_MISO
Pin M1	PB15 — GPIO / SPI2_MOSI
Pin M2	PC0 — GPIO / ADC input
Pin M3	PC1 — GPIO / ADC input
Pin N1	PC2 — GPIO / ADC input
Pin N2	PC3 — GPIO / ADC input
Pin N3	PC4 — GPIO / ADC input
Pin P1	PC5 — GPIO / ADC input
Pin P2	PC6 — GPIO / TIM3_CH1
Pin P3	PC7 — GPIO / TIM3_CH2
Pin R1	PC8 — GPIO / TIM3_CH3
Pin R2	PC9 — GPIO / TIM3_CH4
Pin R3	PC10 — GPIO / USART3_TX
Pin T1	PC11 — GPIO / USART3_RX
Pin T2	PC12 — GPIO / USART3_CK
Pin T3	PC13 — GPIO / RTC_TAMP1
Pin U1	PC14 — GPIO / OSC32_IN
Pin U2	PC15 — GPIO / OSC32_OUT
Pin U3	PH0 — OSC_IN
Pin V1	PH1 — OSC_OUT
Pin V2	NRST — Reset
Pin V3	VDD — Power supply
Pin W1	VSS — Ground
Pin W2	VDD — Power supply
Pin W3	VSS — Ground

Safe Operating Area (SOA) & Thermal Characteristics

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

STM32L486JGY6TR is suitable for 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.

Recommended

MAX30102 (PPG sensor for heart-rate monitoring) nRF52832 (BLE module for wireless communication)

🏭

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.

Recommended

BME280 (Environmental sensor for temperature, humidity, pressure) SHT31 (Digital humidity and temperature sensor)

🧩

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.

Recommended

SX1276 (LoRa transceiver for long-range communication) ESP32 (Wi-Fi module for cloud connectivity)

💊

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.

Recommended

ADS1298 (Analog front-end for biopotential measurements) SSD1306 (OLED display for user interface)

🏭

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.

Recommended

TJA1051 (CAN transceiver for industrial networking) DRV8871 (Motor driver for actuator control)

🔧

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.

Recommended

ADS1115 (External ADC for high-resolution measurements) FTDI FT232R (USB-to-UART bridge for PC connectivity)

Recommended Products Summary

MAX30102 PPG sensor for heart-rate monitoring Used in: Wearable Health Monitor nRF52832 BLE module for wireless communication Used in: Wearable Health Monitor BME280 Environmental sensor for temperature, humidity, pressure Used in: Smart Sensor Node SHT31 Digital humidity and temperature sensor Used in: Smart Sensor Node SX1276 LoRa transceiver for long-range communication Used in: IoT Edge Node ESP32 Wi-Fi module for cloud connectivity Used in: IoT Edge Node ADS1298 Analog front-end for biopotential measurements Used in: Medical Monitoring Device SSD1306 OLED display for user interface Used in: Medical Monitoring Device TJA1051 CAN transceiver for industrial networking Used in: Industrial Sensor Hub DRV8871 Motor driver for actuator control Used in: Industrial Sensor Hub ADS1115 External ADC for high-resolution measurements Used in: Portable Instrumentation FTDI FT232R USB-to-UART bridge for PC connectivity Used in: Portable Instrumentation

What is the maximum clock speed of STM32L486JGY6TR?

The STM32L486JGY6TR operates at a maximum clock speed of 80 MHz. According to the STM32L486JG datasheet, the ARM Cortex-M4F core with FPU can run at up to 80 MHz, providing 100 DMIPS performance.

How much Flash memory does STM32L486JGY6TR have?

The STM32L486JGY6TR has 1 Mbyte of Flash memory. This is sufficient for complex applications, and it also includes 128 Kbytes of SRAM for data storage.

What is the supply voltage range of STM32L486JGY6TR?

The STM32L486JGY6TR operates from 1.8V to 3.6V. This wide range allows for flexible power supply design, including direct battery operation.

What package is STM32L486JGY6TR available in?

The STM32L486JGY6TR is available in a 73-ball WLCSP (Wafer Level Chip Scale Package) with 0.4mm pitch. This package is ideal for space-constrained applications.

Is STM32L486JGY6TR suitable for battery-powered devices?

Yes, the STM32L486JGY6TR is designed for ultra-low-power applications. It features multiple low-power modes including Stop 2 and Shutdown, which reduce current consumption to microamp levels, making it ideal for battery-powered devices.

What communication interfaces does STM32L486JGY6TR support?

The STM32L486JGY6TR supports I2C, SPI, USART, UART, LPUART, SAI, CAN, USB OTG FS, and SDMMC. This rich set of interfaces enables connectivity with various sensors, displays, and external memory.

Does STM32L486JGY6TR have a floating-point unit?

Yes, the STM32L486JGY6TR is based on the ARM Cortex-M4F core, which includes a single-precision floating-point unit (FPU). This accelerates mathematical computations in applications like digital signal processing.

What is the difference between STM32L486JGY6TR and STM32L476JGY6TR?

The STM32L486JGY6TR and STM32L476JGY6TR are pin-compatible and share the same package. The key difference is that the STM32L486 includes a true random number generator (TRNG) and a 12-bit DAC, while the STM32L476 does not have these features. Both have 1 Mbyte Flash and 128 Kbytes SRAM.

Can STM32L486JGY6TR be used for IoT applications?

Yes, the STM32L486JGY6TR is well-suited for IoT edge nodes due to its ultra-low-power consumption, rich connectivity options (including USB and CAN), and support for external wireless modules via SPI or UART.

What is the price of STM32L486JGY6TR?

As of 2026-08-09, the price of STM32L486JGY6TR is approximately $8.50 for 1 unit, $7.65 for 10 units, $6.80 for 100 units, $6.12 for 500 units, and $5.44 for 1000 units. Prices may vary by distributor and quantity.

Where can I buy STM32L486JGY6TR?

STM32L486JGY6TR can be purchased from authorized distributors such as DigiKey, Mouser, and Farnell. It is also available directly from STMicroelectronics. Check stock availability on their websites.

What is the lead time for STM32L486JGY6TR?

The lead time for STM32L486JGY6TR is typically 8-12 weeks for large orders, but it may be in stock at distributors for immediate shipment. Contact your preferred distributor for current lead times.

Is STM32L486JGY6TR in stock?

Stock availability for STM32L486JGY6TR varies by distributor. As of 2026-08-09, it is likely in stock at major distributors like DigiKey and Mouser, but verify on their websites for real-time inventory.

What is the best drop-in replacement for STM32L486JGY6TR?

The best drop-in replacement for STM32L486JGY6TR is the STM32L486JGY6TR itself, but if you need a variant without the TRNG and DAC, the STM32L476JGY6TR is pin-compatible. For cross-brand, the NXP LPC546xx series may offer similar performance but requires PCB changes.

Can STM32L486JGY6TR be replaced by STM32L476JGY6TR?

Yes, the STM32L476JGY6TR is a drop-in replacement for STM32L486JGY6TR in terms of pinout and package. However, the STM32L476 lacks the TRNG and DAC, so software and hardware designs that rely on these features will need modification.

Where can I download the STM32L486JGY6TR datasheet PDF?

The STM32L486JGY6TR datasheet PDF can be downloaded from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32l486jg.pdf. It contains full specifications, pinout, and application notes.

Where can I find the STM32L486JGY6TR pinout?

The pinout for STM32L486JGY6TR is provided in the datasheet (Section 4) and in the STM32CubeMX tool. The WLCSP-73 package has 73 balls, with specific assignments for power, ground, and I/O.

What are the key specifications of STM32L486JGY6TR that engineers should know?

Engineers should know that the STM32L486JGY6TR features an 80 MHz ARM Cortex-M4F core, 1 Mbyte Flash, 128 Kbytes SRAM, 12-bit ADC and DAC, multiple low-power modes, and a wide supply voltage range of 1.8V to 3.6V. It is available in a 73-ball WLCSP package and is RoHS compliant.

Hey Google, what can replace STM32L486JGY6TR?

The STM32L486JGY6TR can be replaced by the STM32L476JGY6TR (same package, pin-compatible, but lacks TRNG and DAC) or by the STM32L496JGY6TR (same package, but with more SRAM and additional features). For cross-brand, consider the NXP LPC546xx series, but verify pin compatibility.

Is STM32L486JGY6TR the same as STM32L476JGY6TR?

No, the STM32L486JGY6TR and STM32L476JGY6TR are not the same. They are pin-compatible and share the same package, but the STM32L486 includes a TRNG and a 12-bit DAC, while the STM32L476 does not. Both have the same core, Flash, and SRAM.

What is the best NXP equivalent for STM32L486JGY6TR?

The best NXP equivalent for STM32L486JGY6TR is the LPC54628J512BD208, but it is not pin-compatible and requires a different PCB layout. For a drop-in replacement, stick with STM32L4 family variants.

Engineering reference data for STM32L486JGY6TR — comparison, design guidance, and compliance information.

Selection Guide

Choose the STM32L486JGY6TR when you need an ultra-low-power MCU with a rich set of analog peripherals (ADC, DAC, comparators) and security features (TRNG). It is ideal for battery-powered devices, IoT edge nodes, and medical monitoring equipment. If you do not need the TRNG or DAC, the STM32L476JGY6TR is a cost-effective drop-in alternative. For applications requiring more SRAM or higher clock speed, consider the STM32L496JGY6TR or STM32L4R5JGY6TR, but verify pin compatibility. For cross-brand alternatives, the NXP LPC54628 offers higher performance but requires a different PCB layout, so it is not a drop-in replacement. The STM32L486JGY6TR provides the best balance of low power, performance, and features for most embedded applications.

Comparison with Alternatives

Parameter	This Product	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

Key Differentiators

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)

Design Notes

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.