BQ2954SNTR TI Battery Charger IC | 16-SOIC | Li-Ion, 4.1V/4.2V

Product Overview

The BQ2954SNTR from Texas Instruments is a highly integrated Li-Ion battery charge management IC designed for single-cell applications. It operates with a constant-current/constant-voltage (CC/CV) charging profile and supports both 4.1V and 4.2V battery voltages. The device is housed in a compact 16-SOIC package, making it suitable for space-constrained designs. With built-in safety features such as thermal regulation, overcurrent protection, and charge status indication, the BQ2954SNTR ensures reliable and efficient charging for portable electronics.

Detailed Technical Specifications

Key Features

• Constant-current/constant-voltage charging with thermal regulation
• Selectable 4.1V or 4.2V charge voltage
• Programmable charge current up to 1.5A
• Charge status outputs for LED or host control
• Automatic recharge and trickle charge for deeply discharged cells
• Low dropout operation (200mV typical)
• Built-in reverse blocking diode

Target Applications

• Portable consumer electronics: smartphones, tablets, digital cameras
• Medical devices: glucose monitors, portable diagnostic equipment
• Industrial handhelds: barcode scanners, data loggers
• 5G base station backup battery management
• Automotive dashboard infotainment systems
• IoT devices: smart sensors, wearables

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ2954SNTR. 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

BQ2954SNTR 是德州儀器（TI）推出的一款高度集成的鋰離子電池充電管理 IC，專為單節電池應用設計。它採用恆流/恆壓（CC/CV）充電曲線，支持 4.1V 和 4.2V 電池電壓。器件採用緊湊的 16-SOIC 封裝，適合空間受限的設計。內置熱調節、過流保護和充電狀態指示等安全功能，確保為便攜式電子設備提供可靠高效的充電。

詳細技術參數

核心特性

• 恆流/恆壓充電，帶熱調節功能
• 可選 4.1V 或 4.2V 充電電壓
• 可編程充電電流，最高 1.5A
• 充電狀態輸出，用於 LED 或主機控制
• 自動再充電和深度放電電池的涓流充電
• 低壓差操作（典型值 200mV）
• 內置反向阻斷二極管

典型應用場景

• 便攜式消費電子：智能手機、平板電腦、數碼相機
• 醫療設備：血糖儀、便攜式診斷設備
• 工業手持設備：條碼掃描器、數據記錄儀
• 5G 基站備用電池管理
• 汽車儀表盤信息娛樂系統
• 物聯網設備：智能傳感器、可穿戴設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ2954SNTR 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]