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STM32L476JGY6TR

Ultra-low-power Cortex-M4, 80MHz, 1MB Flash, 128KB RAM, USB, UFBGA-72

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Manufacturer Part：

STM32L476JGY6TR

Package：

UFBGA-72 (4.50 x 4.50 x 0.60 mm)

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Description

Product Overview

The STM32L476JGY6TR from STMicroelectronics is an ultra-low-power ARM Cortex-M4 32-bit MCU with FPU, 1 MB Flash, 128 KB SRAM, USB OTG FS, LCD, and analog peripherals in a compact UFBGA-72 package. The 1 MB Flash variant offers maximum code capacity for complex ultra-low-power applications.

Key Specifications

Core ARM Cortex-M4 with FPU @ 80 MHz
Flash Memory 1 MB (dual-bank)
SRAM 128 KB (96 KB SRAM1 + 32 KB SRAM2)
Supply Voltage 1.71 V to 3.6 V
Operating Temperature -40°C to +85°C
Package UFBGA-72 (4.5 x 4.5 mm)

Features

  • 1 MB dual-bank Flash with read-while-write capability
  • Ultra-low-power: 30 nA Shutdown, 100 µA/MHz Run
  • 3 x 12-bit ADC, 2 x 12-bit DAC, 2 op-amps, 2 comparators
  • USB OTG FS, CAN 2.0B, LCD controller
  • Compact UFBGA-72 for space-constrained designs

Applications

  • Wearable health monitors
  • Smart meters with large firmware
  • Portable medical devices
  • Industrial wireless sensor nodes
  • Consumer electronics with LCD display

The STM32L476JGY6TR from STMicroelectronics is the maximum-Flash-density variant of the STM32L476 ultra-low-power microcontroller family, featuring 1 MB of dual-bank Flash memory and 128 KB of SRAM in a compact 4.5 x 4.5 mm UFBGA-72 package. The ARM Cortex-M4 core with FPU operates at up to 80 MHz with 100 DMIPS performance. The device integrates the full STM32L476 peripheral set including three 12-bit ADCs at 5 Msps, two 12-bit DACs, two operational amplifiers with PGA, two ultra-low-power comparators, USB OTG Full-Speed, LCD controller, DFSDM, and 18 communication interfaces. The FlexPowerControl architecture enables ultra-low-power modes down to 30 nA in Shutdown. The 1 MB Flash supports large application code bases with over-the-air firmware update capability enabled by the dual-bank read-while-write architecture.

The STM32L476JGY6TR shares the same core architecture as the STM32L476RET6, with the ARM Cortex-M4 core with FPU and ART Accelerator for zero-wait-state Flash execution at 80 MHz. The 1 MB Flash is organized as two 512 KB banks supporting concurrent read from one bank while erasing or programming the other bank, enabling firmware updates without interrupting application execution. The UFBGA-72 package provides 72 pins in a 4.5 x 4.5 mm footprint with 0.5 mm ball pitch, offering maximum I/O density for space-constrained designs. The ball map provides access to GPIO ports A through E with full alternate function mapping for all peripherals.

Pin Group Count Function
VDD/VDDA/VBAT/VSS 12 Power supply and ground (digital, analog, backup)
PORTA- PORTE 51 GPIO with alternate functions (ADC, DAC, TIM, USART, SPI, I2C, USB, CAN, LCD, SAI, DFSDM, OPAMP, COMP)
NRST 1 Reset input
BOOT0 1 Boot mode selection
OSC 4 HSE and LSE oscillator connections
Other 3 Ball configuration and reserved
  • Wearable Health Devices: Multi-sensor health monitors with large firmware for BLE stack, DSP algorithms, and over-the-air updates
  • Smart Metering: Multi-protocol utility meters requiring 1 MB Flash for protocol stacks, data logging, and encryption
  • Portable Medical: Battery-powered diagnostic devices with LCD interface and USB data transfer
  • Industrial IoT Gateway: Wireless sensor hub with Sub-GHz or BLE radio, DFSDM precision measurement, and CAN bus
  • Consumer Wearables: Smartwatch and fitness tracker with LCD, touch sensing, and multi-sensor fusion
Model Manufacturer Flash RAM Package Notes
STM32L476RET6 ST 512 KB 128 KB LQFP-64 Half Flash, larger package
STM32L486JGY6TR ST 1 MB 128 KB UFBGA-72 AES-256 hardware crypto
STM32L4R9ZIJ6 ST 2 MB 640 KB BGA-144 STM32L4+, much more Flash/RAM
nRF52840 Nordic 1 MB 256 KB QFN-73 BLE SoC with integrated radio
SAMR34J18B Microchip 256 KB 40 KB QFN-48 Sub-GHz LoRa + Cortex-M0+
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Quality Assurance

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
  • Automotive Electronics: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
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4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

5. Traceability Management System

We establish a complete product traceability system. Each batch of goods corresponds to independent batch number, sourcing record, inspection record and delivery record. Customers can query the whole lifecycle information of components at any time. This system effectively solves quality risks and facilitates after-sales handling and production quality control for your company.

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If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

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Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Shipping & Payment

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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We offer a variety of secure and convenient payment methods to meet diverse business cooperation needs. Details are as follows:
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    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

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  1. Estimated Transit Time
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  • Air Freight: 7 – 12 working days
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3. General Order Rules & Notes

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    We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.

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    All electronic components are packed with professional anti-static and shockproof materials. Original factory packaging is available for branded chips and integrated circuits.

4. Customs & Liability Statement

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  2. Handling of Lost or Damaged Goods
  • In case of loss or severe damage during transit, please contact us within 48 hours after receiving the tracking information. We will assist you in filing a claim with the logistics provider.
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5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
  • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
  • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
  • Notice: Please make an appointment via email or communication tools one day in advance, and present your order information upon pickup.

Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

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We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

4. Professional Technical Support

Our senior engineer team provides free technical consultation, model selection guidance and original manufacturer datasheets. We assist customers in solving problems related to product R&D, circuit design and component application, providing reliable technical support for project progress.

5. Sourcing for Special Components

Relying on our global supply chain network, we professionally source scarce components, obsolete parts and customized special components to efficiently solve your procurement difficulties.

6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

  • All components are packed separately to avoid damage caused by friction and collision;
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2. Classified Professional Packaging

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  • Vacuum Moisture-proof Packaging: Moisture-sensitive components are vacuum-sealed with desiccants to isolate humid air, suitable for ocean transportation and long-term storage.
  • Original Factory Packaging: Integrated circuits of brands such as NXP are delivered with original reels, trays or tubes by default, retaining complete original packaging and adapting to automated SMT production lines.
  • Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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