🧪 SAMPLE SUPPORT
✅ 100% Original & Traceable
🚀 Inquiry Today, Ship Today
🛡️ Escrow.com Secured Payment
Product Overview
The BQ7790502PWR from Texas Instruments is a highly integrated, multi-cell lithium-ion battery protection IC designed for 3-series to 5-series cell configurations. It provides overvoltage protection (OVP), undervoltage protection (UVP), overcurrent protection (OCP), short-circuit protection (SCP), and cell balancing. Packaged in a 20-pin TSSOP, it offers a compact solution for battery management systems (BMS) in portable and stationary applications.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Cells |
3 to 5 series |
| Overvoltage Threshold |
4.35 V (typical) |
| Undervoltage Threshold |
2.5 V (typical) |
| Overcurrent Threshold |
Programmable via external resistor |
| Short-Circuit Protection |
Yes |
| Cell Balancing |
Passive, external N-FET |
| Operating Temperature |
-40°C to +85°C |
| Package |
20-TSSOP |
| Supply Voltage |
3.0 V to 25 V |
Key Features
- Integrated protection for 3S to 5S Li-ion/Li-polymer batteries
- Precise overvoltage and undervoltage detection
- Programmable overcurrent and short-circuit protection
- Passive cell balancing with external N-channel FET
- Low power consumption: < 10 µA in normal operation
- Small 20-TSSOP package for space-constrained designs
Target Applications
- 5G base station backup battery packs
- Electric bicycle (e-bike) battery management
- Portable power tools (e.g., cordless drills, saws)
- Uninterruptible power supplies (UPS) for servers
- Medical devices (e.g., portable ventilators, infusion pumps)
- Energy storage systems (ESS) for solar panels
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BQ7790502PWR. 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.
-
HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
-
Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
-
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.
-
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.
-
Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
BQ7790502PWR 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 3 至 5 串電池組。它提供過壓保護 (OVP)、欠壓保護 (UVP)、過流保護 (OCP)、短路保護 (SCP) 和電池均衡功能。採用 20 引腳 TSSOP 封裝,為便攜式和固定式應用的電池管理系統 (BMS) 提供緊湊的解決方案。
詳細技術參數
| 參數 |
數值 |
| 電池串數 |
3 至 5 串 |
| 過壓閾值 |
4.35 V (典型值) |
| 欠壓閾值 |
2.5 V (典型值) |
| 過流閾值 |
通過外部電阻可編程 |
| 短路保護 |
有 |
| 電池均衡 |
被動,外部 N-FET |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
20-TSSOP |
| 供電電壓 |
3.0 V 至 25 V |
核心特性
- 集成保護功能,適用於 3S 至 5S 鋰離子/鋰聚合物電池
- 精確的過壓和欠壓檢測
- 可編程的過流和短路保護
- 通過外部 N 溝道 FET 實現被動電池均衡
- 低功耗:正常工作時 < 10 µA
- 小型 20-TSSOP 封裝,適合空間受限的設計
典型應用場景
- 5G 基站備用電池組
- 電動自行車 (e-bike) 電池管理
- 便攜式電動工具(例如無繩電鑽、電鋸)
- 服務器不間斷電源 (UPS)
- 醫療設備(例如便攜式呼吸機、輸液泵)
- 太陽能儲能系統 (ESS)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 BQ7790502PWR 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。
-
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。
-
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。
-
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。
-
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。
-
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。
-
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。
-
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。
🔥 熱門型號推薦 / Hot Related Models:
BQ26221PW | TLC5957RTQT | LMG1205YFXR | TLC69654YBHR | BQ771824DPJR | BQ28Z610DRZR-R1 | LP8556TMX-E03/NOPB | TPS650240RHBT | BQ27541DRZR
獲取報價或技術手冊 / Need Batch Quote or Datasheet?
Our team provides competitive wholesale pricing for BQ7790502PWR.
HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]