ST1PS02AQTR ST DC-DC Converter | 12-TQFN (1.7x2) | 1.8V-5.5V Input, 400mA Output

Product Overview

The ST1PS02AQTR is a high-efficiency step-down DC-DC converter from STMicroelectronics, designed for space-constrained and battery-powered applications. It operates from an input voltage range of 1.8V to 5.5V and delivers up to 400mA output current. The device is housed in a compact 12-TQFN (1.7x2mm) package, making it ideal for portable and wearable electronics.

Detailed Technical Specifications

Key Features

• High efficiency up to 95% extends battery life
• Low quiescent current (15µA) for light-load efficiency
• 2.25MHz switching frequency allows small external components
• Internal soft-start limits inrush current
• Overcurrent and thermal protection
• Power-good output for sequencing

Target Applications

• Wearable devices (smartwatches, fitness trackers)
• Portable medical devices (glucose monitors, pulse oximeters)
• IoT sensors and wireless modules
• Battery-powered equipment (remote controls, toys)
• Space-constrained power supplies

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for ST1PS02AQTR. 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

ST1PS02AQTR 是意法半导体推出的一款高效降压型DC-DC转换器，专为空间受限和电池供电的应用设计。它可在1.8V至5.5V的输入电压范围内工作，并提供高达400mA的输出电流。器件采用紧凑的12-TQFN（1.7x2mm）封装，非常适合便携式和可穿戴电子设备。

詳細技術參數

核心特性

• 高达95%的效率，延长电池寿命
• 低静态电流（15µA），轻载时效率高
• 2.25MHz开关频率，允许使用小型外部元件
• 内部软启动限制浪涌电流
• 过流和热保护
• 电源正常输出，用于时序控制

典型應用場景

• 可穿戴设备（智能手表、健身追踪器）
• 便携医疗设备（血糖仪、脉搏血氧仪）
• 物联网传感器和无线模块
• 电池供电设备（遥控器、玩具）
• 空间受限的电源

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 ST1PS02AQTR 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]