ST1PS02B1QTR ST DC-DC Converter | 12-TQFN (1.7x2) | 1.8V-5.5V Input, 400mA Output

Product Overview

The ST1PS02B1QTR is a high-efficiency step-down DC-DC converter from STMicroelectronics, designed for space-constrained applications. It operates from an input voltage range of 1.8V to 5.5V and delivers up to 400mA output current. Housed in a compact 12-TQFN (1.7x2) package, it integrates power switches, synchronous rectification, and compensation, minimizing external components. The device features a 2.2MHz fixed switching frequency, allowing small inductor and capacitor values. It supports 100% duty cycle for low dropout operation and offers excellent transient response. Protection features include overcurrent, overtemperature, and undervoltage lockout.

Detailed Technical Specifications

Key Features

• High efficiency up to 95%
• Low quiescent current (25µA)
• 2.2MHz fixed frequency operation
• 100% duty cycle for low dropout
• Internal compensation and soft-start
• Overcurrent and overtemperature protection
• Undervoltage lockout (UVLO)
• Small 12-TQFN package (1.7x2mm)

Target Applications

• 5G base station power management
• Automotive dashboard displays
• Portable medical devices
• IoT sensors and wearables
• Battery-powered equipment

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for ST1PS02B1QTR. 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

ST1PS02B1QTR 是意法半導體推出的一款高效降壓型 DC-DC 轉換器，專為空間受限的應用設計。它支持 1.8V 至 5.5V 的輸入電壓範圍，並可提供高達 400mA 的輸出電流。器件採用緊湊的 12-TQFN（1.7x2）封裝，集成功率開關、同步整流和補償電路，最大限度地減少了外部元件數量。其 2.2MHz 固定開關頻率允許使用小型電感和電容。器件支持 100% 佔空比以實現低壓差運行，並具有出色的瞬態響應。保護功能包括過流、過溫和欠壓鎖定。

詳細技術參數

核心特性

• 高達 95% 的效率
• 低靜態電流（25µA）
• 2.2MHz 固定頻率操作
• 100% 佔空比實現低壓差
• 內部補償和軟啟動
• 過流和過溫保護
• 欠壓鎖定（UVLO）
• 小型 12-TQFN 封裝（1.7x2mm）

典型應用場景

• 5G 基站電源管理
• 汽車儀表板顯示
• 便攜式醫療設備
• 物聯網傳感器和可穿戴設備
• 電池供電設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 ST1PS02B1QTR 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]