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Product Overview
The BQ7790400PW from Texas Instruments is a highly integrated, multi-cell lithium-ion battery protection IC designed for 4 to 5 series cell configurations. It provides overvoltage, undervoltage, overcurrent, short-circuit, and overtemperature protection with high accuracy and low power consumption. Housed in a compact 20-TSSOP package, it is ideal for space-constrained applications requiring robust battery management.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Cells |
4 to 5 series |
| Overvoltage Protection (OVP) |
3.0 V to 4.6 V (programmable) |
| Undervoltage Protection (UVP) |
1.0 V to 3.0 V (programmable) |
| Overcurrent Protection (OCP) |
Programmable, 3 levels |
| Short-Circuit Protection |
Yes, with delay |
| Operating Current |
Typ. 5 µA (normal), 1 µA (sleep) |
| Package |
20-TSSOP |
| Operating Temperature |
-40°C to +85°C |
Key Features
- Integrated high-side NMOS FET driver for charge/discharge control
- Programmable protection thresholds via external resistors
- Low quiescent current for extended battery life
- Automatic cell balancing support
- Robust ESD protection (HBM 2 kV)
- Small footprint 20-TSSOP package
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 defibrillators)
- Industrial robotics and AGVs
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BQ7790400PW. 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
BQ7790400PW 是德州儀器(TI)推出的一款高度集成的多節鋰離子電池保護IC,適用於4至5串電池組。它提供過壓、欠壓、過流、短路和過溫保護,具有高精度和低功耗特性。採用緊湊的20-TSSOP封裝,非常適合空間受限的電池管理應用。
詳細技術參數
| 參數 |
數值 |
| 電池串數 |
4至5串 |
| 過壓保護 (OVP) |
3.0 V 至 4.6 V(可編程) |
| 欠壓保護 (UVP) |
1.0 V 至 3.0 V(可編程) |
| 過流保護 (OCP) |
可編程,3級 |
| 短路保護 |
有,帶延時 |
| 工作電流 |
典型 5 µA(正常),1 µA(休眠) |
| 封裝 |
20-TSSOP |
| 工作溫度 |
-40°C 至 +85°C |
核心特性
- 集成高側NMOS FET驅動器,用於充放電控制
- 通過外部電阻可編程保護閾值
- 低靜態電流,延長電池壽命
- 支持自動電池均衡
- 強大的ESD保護(HBM 2 kV)
- 小型20-TSSOP封裝
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(如便攜式除顫器)
- 工業機器人和AGV
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 BQ7790400PW 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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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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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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