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Product Overview
The BQ29732DSER from Texas Instruments is a single-cell lithium-ion battery protection IC designed to prevent overcharge, overdischarge, overcurrent, and short-circuit conditions. Housed in a compact 6-WSON (1.5x1.5 mm) package, it offers a low quiescent current of 4 µA (typical) and supports a wide operating voltage range of 1.5 V to 10 V. The device integrates a precision voltage reference and a high-accuracy current sense circuit, making it ideal for space-constrained portable applications.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Cells |
1 |
| Overcharge Protection Threshold |
4.35 V ± 50 mV |
| Overdischarge Protection Threshold |
2.30 V ± 80 mV |
| Overcurrent Detection Voltage |
150 mV ± 15 mV |
| Short Circuit Detection Voltage |
500 mV ± 100 mV |
| Quiescent Current (Typical) |
4 µA |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
6-WSON (1.5x1.5 mm) |
Key Features
- Integrated overcharge, overdischarge, overcurrent, and short-circuit protection
- Low quiescent current (4 µA typical) for extended battery life
- High-accuracy voltage and current detection
- Small 6-WSON package (1.5x1.5 mm) for space-constrained designs
- Wide operating voltage range: 1.5 V to 10 V
- Built-in delay timers to prevent false triggering
Target Applications
- Portable electronics: smartphones, tablets, Bluetooth headsets
- Wearable devices: smartwatches, fitness trackers
- Medical devices: glucose monitors, portable diagnostic equipment
- IoT devices: wireless sensors, smart tags
- Power banks and battery packs
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BQ29732DSER. 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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Shenzhen with support for HK bank transfers and multi-currency.
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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
德州儀器(TI)的BQ29732DSER是一款單節鋰離子電池保護IC,旨在防止過充、過放、過流和短路情況。採用緊湊的6-WSON(1.5x1.5 mm)封裝,典型靜態電流僅4 µA,支持1.5 V至10 V的寬工作電壓範圍。該器件集成了精密電壓基準和高精度電流檢測電路,非常適合空間受限的便攜式應用。
詳細技術參數
| 參數 |
數值 |
| 電池節數 |
1 |
| 過充保護閾值 |
4.35 V ± 50 mV |
| 過放保護閾值 |
2.30 V ± 80 mV |
| 過流檢測電壓 |
150 mV ± 15 mV |
| 短路檢測電壓 |
500 mV ± 100 mV |
| 靜態電流(典型值) |
4 µA |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
6-WSON(1.5x1.5 mm) |
核心特性
- 集成過充、過放、過流和短路保護
- 低靜態電流(典型4 µA),延長電池壽命
- 高精度電壓和電流檢測
- 小型6-WSON封裝(1.5x1.5 mm),適合空間受限設計
- 寬工作電壓範圍:1.5 V至10 V
- 內置延時定時器,防止誤觸發
典型應用場景
- 便攜式電子產品:智能手機、平板電腦、藍牙耳機
- 可穿戴設備:智能手錶、健身追蹤器
- 醫療設備:血糖監測儀、便攜診斷設備
- 物聯網設備:無線傳感器、智能標籤
- 移動電源和電池組
環球供應鏈與批發合作夥伴方案
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