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Product Overview
The BQ24272RGET from Texas Instruments is a highly integrated, single-cell Li-Ion battery charger IC designed for space-constrained portable applications. It supports a charge current up to 1.5A and features I2C programmable parameters for flexible charging profiles. The device operates from a wide input voltage range of 3.9V to 6.2V and includes power path management to simultaneously power the system and charge the battery. Housed in a compact 24-VQFN (4x4 mm) package, it is ideal for wearables, smartphones, and other handheld devices.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
3.9V to 6.2V |
| Maximum Charge Current |
1.5A |
| Battery Regulation Voltage |
4.2V (default, programmable via I2C) |
| Charge Termination Current |
Programmable (10% to 20% of fast charge current) |
| Power Path Management |
Yes (system voltage regulated to 4.4V typical) |
| I2C Interface |
Up to 400 kHz |
| Operating Temperature |
-40°C to +85°C |
| Package |
24-VQFN (4x4 mm) |
Key Features
- Integrated power FETs for up to 1.5A charge current
- I2C programmable charge current, termination current, and voltage
- Power path management with dynamic power management (DPM)
- Thermal regulation and protection
- Battery temperature monitoring (NTC thermistor)
- Low quiescent current (20 µA typical in battery-only mode)
- Safety timers and fault detection
Target Applications
- Smartphones and tablets
- Wearable devices (e.g., smartwatches, fitness bands)
- Portable medical devices (e.g., glucose meters, pulse oximeters)
- Bluetooth headsets and earbuds
- Handheld gaming consoles
- 5G base station auxiliary power management
- Automotive dashboard infotainment systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BQ24272RGET. 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
BQ24272RGET 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,專為空間受限的可攜式應用設計。它支援高達 1.5A 的充電電流,並通過 I2C 介面可程式設計充電參數,實現靈活的充電配置。器件工作輸入電壓範圍為 3.9V 至 6.2V,並包含電源路徑管理功能,可同時為系統供電和為電池充電。採用緊湊的 24-VQFN(4x4 mm)封裝,適用於可穿戴設備、智慧手機及其他手持設備。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
3.9V 至 6.2V |
| 最大充電電流 |
1.5A |
| 電池穩壓電壓 |
4.2V(預設,可通過 I2C 程式設計) |
| 充電終止電流 |
可程式設計(快速充電電流的 10% 至 20%) |
| 電源路徑管理 |
是(系統電壓典型值為 4.4V) |
| I2C 介面 |
最高 400 kHz |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
24-VQFN(4x4 mm) |
核心特性
- 集成電源 FET,支援高達 1.5A 充電電流
- 通過 I2C 可程式設計充電電流、終止電流和電壓
- 電源路徑管理,具備動態電源管理(DPM)
- 熱調節和保護功能
- 電池溫度監測(NTC 熱敏電阻)
- 低靜態電流(電池模式下典型值 20 µA)
- 安全計時器和故障檢測
典型應用場景
- 智慧手機和平板電腦
- 可穿戴設備(如智慧手錶、健身手環)
- 可攜式醫療設備(如血糖儀、脈搏血氧儀)
- 藍牙耳機和耳塞
- 手持遊戲機
- 5G 基站輔助電源管理
- 汽車儀錶盤資訊娛樂系統
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 BQ24272RGET 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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