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Product Overview
The BQ24305DSGT is a highly integrated lithium-ion battery charger IC from Texas Instruments, designed for space-constrained portable applications. It operates as a linear charger with a programmable charge current up to 1A and a fixed charge voltage of 4.2V. The device is housed in a compact 8-pin WSON package (2mm x 2mm) and features thermal regulation, pre-conditioning, and termination. It is ideal for single-cell Li-Ion or Li-Polymer battery charging in devices such as smartphones, tablets, and wearable electronics.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4.5V to 6.5V |
| Charge Current (Programmable) |
Up to 1A |
| Charge Voltage (Fixed) |
4.2V ±1% |
| Package |
8-WSON (2mm x 2mm) |
| Operating Temperature |
-40°C to +85°C |
| Battery Preconditioning |
10% of programmed current |
| Termination Current |
10% of programmed current |
| Thermal Regulation |
Yes, 120°C |
| Status Output |
Open-drain CHG pin |
Key Features
- Linear charger with up to 1A charge current
- Fixed 4.2V charge voltage with ±1% accuracy
- Thermal regulation and protection
- Pre-conditioning for deeply discharged batteries
- Charge termination and status indication
- Small 8-WSON (2x2mm) package
- Low dropout voltage
Target Applications
- Smartphones and feature phones
- Tablets and e-readers
- Wearable devices (smartwatches, fitness trackers)
- Portable medical devices (glucose monitors, pulse oximeters)
- Bluetooth headsets and IoT sensors
- 5G base station auxiliary battery charging
- Automotive dashboard infotainment backup battery
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BQ24305DSGT. 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
BQ24305DSGT 是德州儀器(TI)推出的一款高度集成的鋰離子電池充電管理 IC,專為空間受限的便攜式應用設計。它作為線性充電器,可程式設計充電電流高達 1A,固定充電電壓為 4.2V。器件採用緊湊的 8 引腳 WSON 封裝(2mm x 2mm),具有熱調節、預處理和終止功能。適用於智慧手機、平板電腦和可穿戴設備等單節鋰離子或鋰聚合物電池充電。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
4.5V 至 6.5V |
| 充電電流(可程式設計) |
最高 1A |
| 充電電壓(固定) |
4.2V ±1% |
| 封裝 |
8-WSON(2mm x 2mm) |
| 工作溫度 |
-40°C 至 +85°C |
| 電池預處理 |
程式設計電流的 10% |
| 終止電流 |
程式設計電流的 10% |
| 熱調節 |
有,120°C |
| 狀態輸出 |
開漏 CHG 引腳 |
核心特性
- 線性充電器,充電電流高達 1A
- 固定 4.2V 充電電壓,精度 ±1%
- 熱調節和保護
- 深度放電電池預處理
- 充電終止和狀態指示
- 小型 8-WSON(2x2mm)封裝
- 低壓差電壓
典型應用場景
- 智慧手機和功能手機
- 平板電腦和電子閱讀器
- 可穿戴設備(智慧手錶、健身追蹤器)
- 便攜式醫療設備(血糖儀、脈搏血氧儀)
- 藍牙耳機和物聯網感測器
- 5G 基站輔助電池充電
- 汽車儀錶盤資訊娛樂備用電池
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 BQ24305DSGT 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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