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Product Overview
The BQ2031PN-A5 is a high-performance lead-acid battery charge management IC from Texas Instruments, designed for fast and efficient charging of 2-cell (4.1V) or 4-cell (8.4V) battery packs. Housed in a 16-pin PDIP package, it integrates constant-current and constant-voltage (CC/CV) charging with programmable charge current up to 2A. The device features automatic charge termination, temperature monitoring, and status indicators, making it ideal for industrial and portable applications.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4.5V to 18V |
| Charge Current (Max) |
2A (programmable) |
| Charge Voltage |
4.1V (2-cell) or 8.4V (4-cell) |
| Charge Algorithm |
CC/CV with auto termination |
| Accuracy |
±1% voltage regulation |
| Operating Temperature |
-20°C to +70°C |
| Package |
16-PDIP |
Key Features
- Integrated CC/CV charge controller for lead-acid batteries
- Programmable charge current up to 2A
- Automatic charge termination with top-off mode
- Temperature-compensated charging for safety
- Charge status outputs (LED drive)
- Low dropout voltage operation
- Built-in reverse leakage protection
Target Applications
- 5G base station backup power systems
- Industrial UPS (Uninterruptible Power Supplies)
- Portable medical devices (e.g., patient monitors)
- Automotive dashcams and GPS trackers
- Solar-powered lighting systems
- Emergency lighting and alarm systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BQ2031PN-A5. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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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.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
BQ2031PN-A5 是德州儀器推出的一款高性能鉛酸電池充電管理 IC,專為 2 節(4.1V)或 4 節(8.4V)電池組的快充設計。採用 16 引腳 PDIP 封裝,集成恆流/恆壓(CC/CV)充電,可編程充電電流高達 2A。該器件具有自動充電終止、溫度監控和狀態指示功能,非常適合工業和便攜式應用。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
4.5V 至 18V |
| 最大充電電流 |
2A(可編程) |
| 充電電壓 |
4.1V(2 節)或 8.4V(4 節) |
| 充電算法 |
CC/CV 自動終止 |
| 精度 |
±1% 電壓調節 |
| 工作溫度 |
-20°C 至 +70°C |
| 封裝 |
16-PDIP |
核心特性
- 集成 CC/CV 充電控制器,適用於鉛酸電池
- 可編程充電電流高達 2A
- 自動充電終止及補充模式
- 溫度補償充電,確保安全
- 充電狀態輸出(LED 驅動)
- 低壓差工作
- 內置反向漏電保護
典型應用場景
- 5G 基站備用電源系統
- 工業 UPS(不間斷電源)
- 便攜式醫療設備(如病人監護儀)
- 汽車行車記錄儀和 GPS 追蹤器
- 太陽能照明系統
- 應急照明和報警系統
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 BQ2031PN-A5 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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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。
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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。
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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。
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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。
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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。
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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。
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