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

Product Overview

The LM3420AM5-8.4 is a precision linear lithium-ion battery charger controller from Texas Instruments, designed for single-cell (4.2V) and two-cell (8.4V) Li-Ion battery packs. It features a fixed output voltage of 8.4V with ±1% accuracy and a charge current up to 50mA. The device is housed in a compact SOT-23-5 package, making it ideal for space-constrained applications. It includes built-in charge termination, low battery pre-conditioning, and automatic recharge functions.

Detailed Technical Specifications

Key Features

• Precision voltage reference: 8.4V ±1%
• Low dropout operation
• Charge current sense and limit
• Automatic recharge
• Low battery pre-conditioning
• Charge termination by minimum current
• Small SOT-23-5 package

Target Applications

• Portable electronics: smartphones, tablets, digital cameras
• Medical devices: glucose meters, portable monitors
• Industrial equipment: handheld terminals, barcode scanners
• IoT devices: wireless sensors, smart locks
• Battery backup systems: UPS, emergency lights

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM3420AM5-8.4. 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 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（4.2V）和雙節（8.4V）鋰離子電池組設計。它具有固定的 8.4V 輸出電壓，精度為 ±1%，充電電流最高可達 50mA。器件採用緊湊的 SOT-23-5 封裝，非常適合空間受限的應用。內置充電終止、低電量預處理和自動充電功能。

詳細技術參數

核心特性

• 精密電壓基準：8.4V ±1%
• 低壓差操作
• 充電電流檢測和限制
• 自動充電
• 低電量預處理
• 最小電流充電終止
• 小型 SOT-23-5 封裝

典型應用場景

• 便攜式電子產品：智能手機、平板電腦、數碼相機
• 醫療設備：血糖儀、便攜式監護儀
• 工業設備：手持終端、條碼掃描器
• 物聯網設備：無線傳感器、智能鎖
• 電池備份系統：UPS、應急燈

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM3420AM5-8.4 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]