STM32L431CBY7TR ST Microcontroller | 49-WLCSP (3.14X3.13) | 80MHz ARM Cortex-M4, 256KB Flash

Product Overview

The STM32L431CBY7TR is an ultra-low-power 32-bit microcontroller based on the ARM Cortex-M4 core with FPU, operating at up to 80 MHz. It features 256 KB Flash memory and 64 KB SRAM, making it ideal for a wide range of energy-sensitive applications. The device is housed in a compact 49-WLCSP package (3.14 x 3.13 mm), enabling space-constrained designs.

Detailed Technical Specifications

Key Features

• Ultra-low-power consumption: 8 nA Shutdown, 28 nA Standby, 280 nA Stop with RTC
• Dynamic voltage scaling to balance performance and power
• Rich analog and digital peripherals for sensor integration
• Compact WLCSP package for miniaturized designs
• Hardware cryptographic acceleration (AES-256)

Target Applications

This microcontroller is ideal for battery-powered and energy-harvesting applications such as:

• Smart sensors for industrial IoT (e.g., temperature/humidity sensors)
• Wearable devices (e.g., fitness trackers, smartwatches)
• Medical devices (e.g., portable glucose monitors)
• Building automation (e.g., smart thermostats, lighting controls)
• Consumer electronics (e.g., remote controls, smart locks)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for STM32L431CBY7TR. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• BOM Kitting & Sampling Services: Specialized sourcing for testing samples and urgent shortage components.

Quality Assurance & Compliance

Jasin Chip guarantees that all delivered products are 100% original factory stock with full quality assurance and traceability.

• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
• RoHS Compliant: All electronic components comply with international environmental and safety standards.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

STM32L431CBY7TR 是一款基於 ARM Cortex-M4 內核（含 FPU）的超低功耗 32 位微控制器，工作頻率高達 80 MHz。它配備 256 KB 快閃記憶體和 64 KB SRAM，非常適合各種對能耗敏感的應用。該器件採用緊湊的 49-WLCSP 封裝（3.14 x 3.13 mm），適用於空間受限的設計。

詳細技術參數

核心特性

• 超低功耗：關機模式 8 nA，待機模式 28 nA，帶 RTC 的停止模式 280 nA
• 動態電壓調節，平衡性能與功耗
• 豐富的模擬和數字外設，便於傳感器集成
• 緊湊的 WLCSP 封裝，適合小型化設計
• 硬件加密加速（AES-256）

典型應用場景

該微控制器非常適合電池供電和能量採集應用，例如：

• 工業物聯網智能傳感器（如溫濕度傳感器）
• 可穿戴設備（如健身追蹤器、智能手錶）
• 醫療設備（如便攜式血糖儀）
• 樓宇自動化（如智能恆溫器、照明控制）
• 消費電子（如遙控器、智能鎖）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 STM32L431CBY7TR 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 全天候環球客戶支援：專業團隊為您提供即時報價及技術支援，無需漫長等待。
• 現貨庫存，即日發貨：確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。
• 深港聯動，結算靈活：深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。
• Escrow 擔保交易：支援 Escrow.com 平台交易，保障買賣雙方權益，小批量訂單亦可安心在線下單。
• BOM 配單與樣板服務：提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。

品質保證與合規

Jasin Chip 承諾所有出貨產品均為原廠正貨，具備完善的品質保證及產品可追溯性。

• 100% 原廠正貨：承諾所有供應零件均為原裝現貨，品質嚴格把關，來源清晰可追溯。
• 符合 RoHS 認證：所有電子元器件均符合國際環保標準及相關安全認證。
• 原廠封裝保護：嚴格保留原廠原始包裝及封條，確保物流過程中的靜電防護 (ESD) 與物理安全。

以上產品均為原廠正貨，提供 BOM 配單及現貨庫存支援，歡迎查詢。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]