LM3420AM5-8.4/NOPB TI Battery Charger IC | SOT-23-5 | 8.4V, 50mA

Product Overview

The LM3420AM5-8.4/NOPB is a precision linear lithium-ion battery charger controller from Texas Instruments. It is designed for single-cell Li-Ion or Li-Polymer batteries with a charge voltage of 8.4V. The device operates with an external pass transistor and provides constant-current/constant-voltage (CC/CV) charging with ±1% voltage accuracy. Packaged in a compact SOT-23-5, it is ideal for space-constrained applications.

Detailed Technical Specifications

Key Features

• Precision 8.4V charge voltage with ±1% accuracy
• Low dropout voltage (200mV typical)
• Built-in charge termination (C/10 detection)
• Low quiescent current (1.5mA typical)
• Reverse leakage protection
• Small SOT-23-5 package

Target Applications

• Portable medical devices (e.g., glucose meters)
• Wireless headsets and earbuds
• IoT sensors and smart tags
• Battery backup systems for 5G base stations
• Automotive dashboard cameras

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM3420AM5-8.4/NOPB. 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

LM3420AM5-8.4/NOPB 是德州儀器（TI）推出的精密線性鋰離子電池充電控制器，專為單節鋰離子或鋰聚合物電池設計，充電電壓為 8.4V。該器件需配合外部功率管使用，提供恆流/恆壓（CC/CV）充電模式，電壓精度達 ±1%。採用緊湊的 SOT-23-5 封裝，適合空間受限的應用。

詳細技術參數

核心特性

• 精密 8.4V 充電電壓，精度 ±1%
• 低壓差（典型值 200mV）
• 內建充電終止功能（C/10 檢測）
• 低靜態電流（典型值 1.5mA）
• 反向漏電保護
• 小型 SOT-23-5 封裝

典型應用場景

• 便攜醫療設備（如血糖儀）
• 無線耳機和耳塞
• 物聯網傳感器和智能標籤
• 5G 基站備用電池系統
• 汽車行車記錄儀

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM3420AM5-8.4/NOPB 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]