BQ7790503PW TI Battery Protection IC | 20-TSSOP | 3-5 Series, Overcurrent Protection

Product Overview

The BQ7790503PW from Texas Instruments is a highly integrated, multi-cell lithium-ion and lithium-polymer battery protection IC. It is designed for 3 to 5 series cell configurations and provides a comprehensive set of protection features including overvoltage, undervoltage, overcurrent, short circuit, and overtemperature protection. The device is housed in a compact 20-pin TSSOP package, making it suitable for space-constrained applications.

Detailed Technical Specifications

Key Features

• Integrated protection for 3-5 series Li-ion/Li-polymer cells
• Overvoltage, undervoltage, overcurrent, short circuit, and overtemperature protection
• Low power consumption: 10 µA typical supply current
• Internal charge and discharge FET control
• Programmable protection thresholds via external resistors
• Compact 20-TSSOP package

Target Applications

• Power tools (e.g., cordless drills, saws)
• Electric bicycles and scooters
• Portable medical devices (e.g., defibrillators, infusion pumps)
• Uninterruptible power supplies (UPS)
• 5G base station backup batteries
• Automotive dashboard battery management

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ7790503PW. 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

BQ7790503PW 是德州儀器（TI）推出的一款高度集成的多節鋰離子和鋰聚合物電池保護 IC。它專為 3 至 5 串電池組設計，提供全面的保護功能，包括過壓、欠壓、過流、短路和過溫保護。該器件採用緊湊的 20 引腳 TSSOP 封裝，適合空間受限的應用。

詳細技術參數

核心特性

• 集成 3-5 串鋰離子/鋰聚合物電池保護
• 過壓、欠壓、過流、短路和過溫保護
• 低功耗：典型供電電流 10 µA
• 內部充放電 FET 控制
• 通過外部電阻可編程保護閾值
• 緊湊的 20-TSSOP 封裝

典型應用場景

• 電動工具（例如無繩電鑽、電鋸）
• 電動自行車和滑板車
• 便攜式醫療設備（例如除顫器、輸液泵）
• 不間斷電源（UPS）
• 5G 基站備用電池
• 汽車儀表板電池管理

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ7790503PW 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。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]