STMicroelectronics STM32L486JGY6TR

Overview

STM32L486JGY6TR from STMicroelectronics is an ultra-low-power Arm® Cortex®-M4 32-bit MCU with FPU, delivering 100 DMIPS at 80 MHz, featuring 1 MB flash, 128 KB SRAM, USB OTG FS, integrated LCD controller, and hardware AES encryption. It operates across -40 °C to 105 °C, supports external SMPS for 39 µA/MHz run efficiency, and targets battery-powered industrial sensors and portable medical devices requiring long runtime and secure firmware execution.

For engineers reviewing the STM32L486JGY6TR datasheet, STM32L486JGY6TR pinout, STM32L486JGY6TR application, or STM32L486JGY6TR equivalent, key selection criteria include verified low-power mode current (420 nA Standby with RTC), dual 12-bit DAC channels, 3× 12-bit ADCs (5 Msps), CAN 2.0B interface, and UFBGA132 package compatibility with high I/O density and 1.08 V I/O supply flexibility.

Technical Context

This MCU integrates an Adaptive Real-time Accelerator (ART™) enabling zero-wait-state execution from flash, three independent PLLs (system/USB/audio), and a dual-voltage domain architecture supporting 1.08–3.6 V operation. Its interconnect matrix enables concurrent peripheral access without bus contention, critical for deterministic real-time control in mixed-signal applications.

The device implements FlexPowerControl with seven low-power modes-including Stop 2 (1.1 µA) and Shutdown (30 nA)-and includes dedicated low-power timers (LPTIM1/LPTIM2) that remain active during Stop, enabling precise wake-up timing for sensor polling without CPU intervention.

Key Specifications

Pinout & Package

STM32L486JGY6TR is housed in a 132-ball Ultra-Fine-Pitch Ball Grid Array (UFBGA132) package with 0.4 mm ball pitch and 7 mm × 7 mm body size, compliant with ECOPACK2 environmental standards. The package supports thermal dissipation up to 139°C/W (θ_JA) and enables high-density PCB routing via bottom-side solder balls.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar ultra-low-power MCU applications.

Compared with STM32L476RG, the STM32L486JGY6TR adds essential human-interface peripherals (LCD, USB) and richer analog resources, while the STM32L562QE trades raw peripheral count for hardened security primitives-making the L486 optimal for feature-rich, battery-constrained embedded systems where security is managed at software level.

Availability

STM32L486JGY6TR is available at Aetrix Electronics and suitable for industrial sensor nodes, portable medical monitors, smart utility meters, and asset tracking beacons requiring stable component supply, long-term manufacturability, and qualified automotive-grade temperature range (-40 °C to 105 °C).

Supply support for STM32L486JGY6TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power management ICs, sensors, and analog products for industrial, automotive, and consumer markets.

The STM32L4 series targets ultra-low-power embedded applications demanding high performance per milliwatt, with design focus on extended battery life, integrated analog/mixed-signal capability, and seamless connectivity for IoT edge devices.

FAQ

What is the maximum operating temperature for STM32L486JGY6TR?

The STM32L486JGY6TR is rated for operation from -40 °C to +105 °C ambient temperature, validated per ST's industrial temperature grade specification. This rating applies to all electrical characteristics in the DS10199 datasheet Rev 8, including flash endurance, ADC accuracy, and clock stability under thermal stress.

Does STM32L486JGY6TR support external memory interfaces?

Yes, it integrates a Flexible Static Memory Controller (FSMC) supporting SRAM, PSRAM, NOR, and NAND memories, plus a Quad SPI interface for high-speed serial flash. These interfaces operate independently of the CPU core and support DMA-driven transfers, enabling efficient code/data offload in memory-constrained applications.

How many independent power domains does STM32L486JGY6TR have?

The device features three independent power domains: VDD/VSS (digital core), VDDA/VSSA (analog), and VDDIO2/VSSIO2 (I/O bank). This separation allows selective powering of analog circuitry and configurable I/O voltage (1.08–3.6 V), reducing noise coupling and enabling mixed-voltage system integration.

Is the UFBGA132 package RoHS and REACH compliant?

Yes, the UFBGA132 package for STM32L486JGY6TR is ECOPACK2 certified, meeting RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006 requirements. Lead-free soldering profiles and halogen-free materials are fully documented in ST's packaging compliance reports.