STC4054GR ST Battery Charger IC | SOT-23-5 细型，TSOT-23-5 | 4.2V, 800mA

Product Overview

The STC4054GR is a constant-current/constant-voltage linear charger for single-cell lithium-ion batteries. Its SOT-23-5 thin package and TSOT-23-5 footprint make it ideal for space-constrained applications. The device features a programmable charge current up to 800mA and a fixed 4.2V charge voltage with ±1% accuracy. It includes thermal regulation to maximize charge rate without risk of overheating.

Detailed Technical Specifications

Key Features

• Constant-current/constant-voltage charging
• Thermal regulation for maximum charge rate
• Charge status output (CHRG pin)
• Automatic recharge
• Low power consumption: 25µA in standby
• No external MOSFET or blocking diode required
• Available in thin SOT-23-5 and TSOT-23-5 packages

Target Applications

• 5G base station backup battery chargers
• Automotive dashboard cameras
• Portable medical devices (e.g., blood glucose meters)
• Wireless earphones and charging cases
• IoT sensors and smart home devices

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for STC4054GR. 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

STC4054GR 是一款用於單節鋰離子電池的恆流/恆壓線性充電器。其 SOT-23-5 細型封裝和 TSOT-23-5 佔位面積非常適合空間受限的應用。該器件具有高達 800mA 的可編程充電電流和精度為 ±1% 的固定 4.2V 充電電壓。它包含熱調節功能，可在不過熱的情況下最大化充電速率。

詳細技術參數

核心特性

• 恆流/恆壓充電
• 熱調節以最大化充電速率
• 充電狀態輸出（CHRG 引腳）
• 自動再充電
• 低功耗：待機時 25µA
• 無需外部 MOSFET 或阻塞二極管
• 提供細型 SOT-23-5 和 TSOT-23-5 封裝

典型應用場景

• 5G 基站備用電池充電器
• 汽車行車記錄儀
• 便攜式醫療設備（例如血糖儀）
• 無線耳機及充電盒
• 物聯網傳感器和智能家居設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 STC4054GR 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]