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Product Overview
The BQ20Z70PW is a highly integrated, single-cell Li-ion and Li-Polymer battery management IC from Texas Instruments. It features Impedance Track™ technology for accurate state-of-charge (SOC) monitoring and supports the Smart Battery System (SBS) 1.1 protocol. Housed in a compact 20-pin TSSOP package, it is ideal for portable electronics requiring precise battery gauging and protection.
Detailed Technical Specifications
| Parameter |
Value |
| Package |
20-TSSOP |
| Battery Chemistry |
Li-Ion, Li-Polymer |
| Number of Cells |
1 |
| Interface |
SMBus (SBS 1.1) |
| Operating Voltage |
2.7V to 4.5V |
| Operating Temperature |
-40°C to +85°C |
| Gauging Accuracy |
±1% (typical) |
| Protection Features |
Overvoltage, Undervoltage, Overcurrent, Short Circuit, Overtemperature |
| Key Technology |
Impedance Track™ |
Key Features
- Impedance Track™ technology for accurate SOC and SOH monitoring
- Supports SBS 1.1 command set for host communication
- Integrated protection for overvoltage, undervoltage, overcurrent, short circuit, and overtemperature
- Low power consumption: <10µA in sleep mode
- Compact 20-TSSOP package for space-constrained designs
- Programmable alert thresholds and configuration via SMBus
Target Applications
- Smartphones and tablets
- Portable medical devices (e.g., glucose meters, infusion pumps)
- 5G base station backup batteries
- Automotive dashboard cameras and telematics units
- Industrial handheld terminals and barcode scanners
- Power tools and cordless vacuum cleaners
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BQ20Z70PW. Our core advantages include:
-
24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
-
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.
-
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
BQ20Z70PW 是德州儀器(TI)推出的一款高度集成的單節鋰離子/鋰聚合物電池管理IC。它採用 Impedance Track™ 技術,可精確監測電池荷電狀態(SOC),並支持智能電池系統(SBS)1.1 協議。器件採用緊湊的 20 引腳 TSSOP 封裝,非常適合需要精確電量計量和保護的便攜式電子產品。
詳細技術參數
| 參數 |
數值 |
| 封裝 |
20-TSSOP |
| 電池化學類型 |
鋰離子、鋰聚合物 |
| 電池串數 |
1 |
| 接口 |
SMBus (SBS 1.1) |
| 工作電壓 |
2.7V 至 4.5V |
| 工作溫度 |
-40°C 至 +85°C |
| 電量計量精度 |
±1%(典型值) |
| 保護功能 |
過壓、欠壓、過流、短路、過溫 |
| 關鍵技術 |
Impedance Track™ |
核心特性
- Impedance Track™ 技術,精確監測 SOC 和 SOH
- 支持 SBS 1.1 命令集,便於主機通信
- 集成過壓、欠壓、過流、短路和過溫保護
- 低功耗:休眠模式 <10µA
- 緊湊的 20-TSSOP 封裝,適合空間受限設計
- 可通過 SMBus 編程設置警報閾值和配置
典型應用場景
- 智能手機和平板電腦
- 便攜式醫療設備(如血糖儀、輸液泵)
- 5G 基站備用電池
- 汽車行車記錄儀和遠程信息處理單元
- 工業手持終端和條碼掃描器
- 電動工具和無繩吸塵器
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 BQ20Z70PW 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
-
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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現貨庫存,即日發貨:確保現貨充足。下午 4 點前確認訂單,即可安排當天寄出。
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深港聯動,結算靈活:深圳直發全球,物流高效可靠;支援香港銀行戶口轉賬及多幣種結算。
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Escrow 擔保交易:支援 Escrow.com 平台交易,保障買賣雙方權益,小批量訂單亦可安心在線下單。
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BOM 配單與樣板服務:提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。
品質保證與合規
Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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100% 原廠正貨:承諾所有供應零件均為原裝現貨,品質嚴格把關,來源清晰可追溯。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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原廠封裝保護:嚴格保留原廠原始包裝及封條,確保物流過程中的靜電防護 (ESD) 與物理安全。
以上產品均為原廠正貨,提供 BOM 配單及現貨庫存支援,歡迎查詢。
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