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Product Overview
The BQ77PL157APWR-4225 is a highly integrated battery protection IC from Texas Instruments, designed for 4-7 series Li-ion or Li-polymer battery packs. It provides overvoltage, undervoltage, overcurrent, short-circuit, and overtemperature protection, ensuring safe operation in demanding applications. Packaged in a compact 16-TSSOP, it offers a low-power solution with high accuracy.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Cells |
4 to 7 series |
| Overvoltage Protection (OVP) |
4.2V to 4.6V (programmable) |
| Undervoltage Protection (UVP) |
2.0V to 3.0V (programmable) |
| Overcurrent Protection (OCP) |
Adjustable via external resistor |
| Short-Circuit Protection |
Yes, with delay |
| Operating Temperature |
-40°C to +85°C |
| Package |
16-TSSOP |
| Supply Current |
Typ. 20 µA (normal mode) |
Key Features
- Integrated high-side NMOS FET driver
- Low power consumption: 20 µA typical
- Programmable protection thresholds
- Cell balancing support
- Overcurrent detection in both charge and discharge
- Open wire detection
- Small footprint: 16-TSSOP
Target Applications
- 5G base station backup batteries
- Electric vehicle (EV) battery management systems
- Energy storage systems (ESS)
- Power tools and garden equipment
- Medical devices (e.g., portable ventilators)
- Industrial robotics
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BQ77PL157APWR-4225. 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
BQ77PL157APWR-4225 是德州儀器(TI)推出的一款高度集成的電池保護IC,適用於4-7串鋰離子或鋰聚合物電池組。它提供過壓、欠壓、過流、短路和過溫保護,確保在苛刻應用中的安全運行。採用緊湊的16-TSSOP封裝,具有低功耗和高精度特點。
詳細技術參數
| 參數 |
數值 |
| 電池串數 |
4至7串 |
| 過壓保護(OVP) |
4.2V至4.6V(可編程) |
| 欠壓保護(UVP) |
2.0V至3.0V(可編程) |
| 過流保護(OCP) |
通過外部電阻可調 |
| 短路保護 |
支持,帶延時 |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
16-TSSOP |
| 供電電流 |
典型值 20 µA(正常模式) |
核心特性
- 集成高側NMOS FET驅動器
- 低功耗:典型值20 µA
- 可編程保護閾值
- 支持電池均衡
- 充電和放電過流檢測
- 開路檢測
- 小尺寸:16-TSSOP
典型應用場景
- 5G基站備用電池
- 電動汽車(EV)電池管理系統
- 儲能系統(ESS)
- 電動工具和園林設備
- 醫療設備(如便攜式呼吸機)
- 工業機器人
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 BQ77PL157APWR-4225 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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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。
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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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