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Product Overview
The BQ24079QWRGTTQ1 is a highly integrated, single-cell Li-Ion battery charger IC from Texas Instruments, designed for space-constrained portable applications. It operates from a USB or AC adapter input and supports charge currents up to 1A. The device features I2C programmable charge parameters, including charge current, termination current, and input current limit, enabling flexible system optimization. Housed in a compact 16-pin VQFN (3x3 mm) package, it is AEC-Q100 qualified for automotive applications.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4.0V to 6.5V |
| Maximum Charge Current |
1A (programmable via I2C) |
| Battery Regulation Voltage |
4.2V (typical) |
| Termination Current |
Programmable (10% to 100% of charge current) |
| Input Current Limit |
100mA to 1.5A (programmable) |
| Operating Temperature |
-40°C to +125°C |
| Package |
16-VQFN (3x3 mm) |
| Interface |
I2C (up to 400 kHz) |
| Safety Features |
Thermal regulation, NTC thermistor monitoring, battery overvoltage protection |
Key Features
- I2C programmable charge current, termination current, and input current limit
- Integrated power FET and current sensor for high efficiency
- Thermal regulation and protection for safe operation
- NTC thermistor input for battery temperature monitoring
- Automatic charge termination and recharge
- Low quiescent current (10 µA typical in standby)
- AEC-Q100 qualified for automotive applications
Target Applications
- Automotive telematics units (e.g., 5G telematics control unit)
- Portable medical devices (e.g., handheld patient monitor)
- Industrial handheld terminals (e.g., barcode scanner)
- Smart home devices (e.g., smart lock)
- Wearable electronics (e.g., smartwatch)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BQ24079QWRGTTQ1. 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
BQ24079QWRGTTQ1 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器 IC,專為空間受限的便攜式應用設計。它可通過 USB 或 AC 適配器輸入工作,支持高達 1A 的充電電流。該器件具有 I2C 可編程充電參數,包括充電電流、終止電流和輸入電流限制,從而實現靈活的系統優化。採用緊湊的 16 引腳 VQFN (3x3 mm) 封裝,並通過 AEC-Q100 認證,適用於汽車應用。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
4.0V 至 6.5V |
| 最大充電電流 |
1A(通過 I2C 可編程) |
| 電池穩壓電壓 |
4.2V(典型值) |
| 終止電流 |
可編程(充電電流的 10% 至 100%) |
| 輸入電流限制 |
100mA 至 1.5A(可編程) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
16-VQFN (3x3 mm) |
| 接口 |
I2C(最高 400 kHz) |
| 安全特性 |
熱調節、NTC 熱敏電阻監控、電池過壓保護 |
核心特性
- 通過 I2C 可編程充電電流、終止電流和輸入電流限制
- 集成功率 FET 和電流傳感器,實現高效率
- 熱調節和保護,確保安全運行
- NTC 熱敏電阻輸入,用於電池溫度監控
- 自動充電終止和再充電
- 低靜態電流(待機時典型值 10 µA)
- 通過 AEC-Q100 認證,適用於汽車應用
典型應用場景
- 汽車遠程信息處理單元(例如 5G 遠程信息處理控制單元)
- 便攜式醫療設備(例如手持式病人監護儀)
- 工業手持終端(例如條碼掃描器)
- 智能家居設備(例如智能鎖)
- 可穿戴電子設備(例如智能手錶)
環球供應鏈與批發合作夥伴方案
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