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Product Overview
The BQ24740RHDT is a high-efficiency, SMBus-controlled battery charger IC from Texas Instruments, designed for 2-4 cell Li-Ion or Li-Polymer battery packs. It integrates a synchronous buck converter with programmable charge current and voltage, supporting fast charging with up to 94% efficiency. The device operates from a wide input voltage range of 4.5V to 24V, making it suitable for various portable and industrial applications. Packaged in a compact 28-VQFN (5x5 mm), it offers a space-saving solution for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4.5V to 24V |
| Battery Chemistry |
Li-Ion, Li-Polymer |
| Number of Cells |
2 to 4 |
| Charge Current (Max) |
8A (programmable) |
| Charge Voltage Accuracy |
±0.5% |
| Switching Frequency |
600 kHz |
| Interface |
SMBus (I2C compatible) |
| Operating Temperature |
-40°C to +85°C |
| Package |
28-VQFN (5x5 mm) |
Key Features
- High-efficiency synchronous buck converter with up to 94% efficiency
- Programmable charge current and voltage via SMBus
- Integrated power FETs for compact design
- Battery detection and preconditioning
- Thermal regulation and protection
- Input current limiting and overvoltage protection
- Low quiescent current in battery-only mode
Target Applications
- Notebook and ultrabook computers
- Portable medical devices
- 5G base station backup battery chargers
- Industrial handheld terminals
- Automotive dashboard power systems
- Power tools and robotics
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BQ24740RHDT. 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
BQ24740RHDT 是德州儀器推出的一款高效、SMBus 控制的電池充電管理 IC,適用於 2-4 節鋰離子或鋰聚合物電池組。它集成了同步降壓轉換器,支持可編程充電電流和電壓,充電效率高達 94%。器件工作輸入電壓範圍為 4.5V 至 24V,適用於各種便攜式和工業應用。採用緊湊的 28-VQFN(5x5 mm)封裝,為空間受限的設計提供了節省空間的解決方案。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
4.5V 至 24V |
| 電池化學類型 |
鋰離子、鋰聚合物 |
| 電池節數 |
2 至 4 |
| 最大充電電流 |
8A(可編程) |
| 充電電壓精度 |
±0.5% |
| 開關頻率 |
600 kHz |
| 接口 |
SMBus(兼容 I2C) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
28-VQFN(5x5 mm) |
核心特性
- 高效同步降壓轉換器,效率高達 94%
- 通過 SMBus 可編程充電電流和電壓
- 集成功率 FET,設計緊湊
- 電池檢測和預處理
- 熱調節和保護
- 輸入電流限制和過壓保護
- 電池模式下靜態電流低
典型應用場景
- 筆記本電腦和超極本
- 便攜式醫療設備
- 5G 基站備用電池充電器
- 工業手持終端
- 汽車儀表盤電源系統
- 電動工具和機器人
環球供應鏈與批發合作夥伴方案
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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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