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Product Overview
The BQ25628ERYKR from Texas Instruments is a highly integrated, 1.5A single-cell Li-Ion battery charger IC designed for space-constrained portable applications. It features I2C programmable charging parameters, high accuracy, and low quiescent current. The device is housed in a compact 18-pin WQFN-HR package (3mm x 2.5mm) and supports a wide input voltage range from 3.9V to 13.5V, making it suitable for USB and adapter charging.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
3.9V to 13.5V |
| Max Charge Current |
1.5A |
| Battery Regulation Voltage |
4.2V / 4.35V (programmable) |
| Charge Termination Current |
Programmable (min 10mA) |
| Quiescent Current (Battery) |
6 µA (typical) |
| Interface |
I2C (up to 400kHz) |
| Protection Features |
Input OVP, Battery OVP, Thermal Regulation, NTC Monitoring |
| Operating Temperature |
-40°C to +85°C |
| Package |
18-WQFN-HR (3mm x 2.5mm) |
Key Features
- High efficiency 1.5A charge with programmable I2C control
- Low quiescent current: 6 µA in battery mode
- Integrated power FETs and current sensing
- Input voltage and current regulation (USB input)
- Thermal regulation and protection
- NTC thermistor monitoring for battery safety
- Small package: 18-WQFN-HR (3x2.5mm)
Target Applications
- Smartphones and tablets
- Portable medical devices (e.g., glucose meters)
- Wearable devices (e.g., smartwatches)
- Bluetooth headsets and IoT sensors
- 5G base station backup battery charging
- Automotive dashboard cameras
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BQ25628ERYKR. 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
BQ25628ERYKR 是德州儀器(TI)推出的一款高度集成的單節鋰離子電池充電管理 IC,最大充電電流為 1.5A,專為空間受限的便攜設備設計。它支持 I2C 可編程充電參數,具有高精度和低靜態電流特性。器件採用緊湊的 18 引腳 WQFN-HR 封裝(3mm x 2.5mm),輸入電壓範圍為 3.9V 至 13.5V,適用於 USB 和適配器充電。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
3.9V 至 13.5V |
| 最大充電電流 |
1.5A |
| 電池調節電壓 |
4.2V / 4.35V(可編程) |
| 充電終止電流 |
可編程(最小 10mA) |
| 靜態電流(電池模式) |
6 µA(典型值) |
| 接口 |
I2C(最高 400kHz) |
| 保護功能 |
輸入過壓保護、電池過壓保護、熱調節、NTC 監測 |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
18-WQFN-HR(3mm x 2.5mm) |
核心特性
- 高效率 1.5A 充電,支持 I2C 可編程控制
- 低靜態電流:電池模式下僅 6 µA
- 集成功率 FET 和電流檢測
- 輸入電壓和電流調節(USB 輸入)
- 熱調節和保護
- NTC 熱敏電阻監測,確保電池安全
- 小型封裝:18-WQFN-HR(3x2.5mm)
典型應用場景
- 智能手機和平板電腦
- 便攜醫療設備(如血糖儀)
- 可穿戴設備(如智能手錶)
- 藍牙耳機和 IoT 傳感器
- 5G 基站備用電池充電
- 汽車儀表盤攝像頭
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 BQ25628ERYKR 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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