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Product Overview
The BQ78350DBT-R1A is a Li-Ion and LiFePO4 battery management controller from Texas Instruments, designed for use with the BQ769x0 family of analog front ends (AFE). It provides accurate monitoring, cell balancing, and protection for 3 to 15 series cell batteries. The device integrates a fuel gauge based on the CEDV (Compensated End-of-Discharge Voltage) algorithm and supports the Smart Battery System (SBS) 1.1 protocol for communication.
Detailed Technical Specifications
| Parameter |
Value |
| Package |
30-TSSOP |
| Number of Cells |
3 to 15 series |
| Communication Interface |
SMBus (SBS 1.1) |
| Fuel Gauge Algorithm |
CEDV |
| Cell Balancing |
Passive (internal or external) |
| Protection Features |
Overvoltage, undervoltage, overcurrent, short circuit, overtemperature |
| Operating Temperature |
-40°C to +85°C |
| Supply Voltage |
4.5V to 26.4V |
| Data Flash Memory |
128 bytes |
Key Features
- Supports SBS 1.1 compliant battery data and charging algorithms
- CEDV fuel gauging for accurate state-of-charge (SOC) reporting
- Integrated cell balancing control for up to 15 cells
- Comprehensive protection including voltage, current, and temperature
- Low power consumption: typical 10 µA in sleep mode
- Programmable via SMBus with data flash parameters
Target Applications
- 5G base station backup batteries (e.g., 48V LiFePO4 battery packs)
- Electric vehicle (EV) and hybrid electric vehicle (HEV) battery packs
- Energy storage systems (ESS) for solar and wind power
- Industrial battery packs for robotics and AGVs
- Portable medical devices and power tools
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BQ78350DBT-R1A. 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
BQ78350DBT-R1A 是德州儀器(TI)推出的鋰離子和磷酸鐵鋰電池管理控制器,專為與 BQ769x0 系列模擬前端(AFE)配合使用而設計。它提供精確的監控、電池均衡以及對 3 至 15 串電池的保護。該器件集成了基於 CEDV(補償放電終止電壓)算法的電量計,並支持智能電池系統(SBS)1.1 協議進行通信。
詳細技術參數
| 參數 |
數值 |
| 封裝 |
30-TSSOP |
| 電池串數 |
3 至 15 串 |
| 通信接口 |
SMBus (SBS 1.1) |
| 電量計算法 |
CEDV |
| 電池均衡 |
被動(內部或外部) |
| 保護功能 |
過壓、欠壓、過流、短路、過溫 |
| 工作溫度 |
-40°C 至 +85°C |
| 供電電壓 |
4.5V 至 26.4V |
| 數據閃存 |
128 字節 |
核心特性
- 支持符合 SBS 1.1 標準的電池數據和充電算法
- CEDV 電量計算法,準確報告荷電狀態(SOC)
- 集成電池均衡控制,支持多達 15 串電池
- 全面的保護功能,包括電壓、電流和溫度
- 低功耗:休眠模式下典型值 10 µA
- 可通過 SMBus 進行編程,配置數據閃存參數
典型應用場景
- 5G 基站備用電池(例如 48V 磷酸鐵鋰電池組)
- 電動汽車(EV)和混合動力汽車(HEV)電池組
- 太陽能和風能儲能系統(ESS)
- 工業機器人和自動導引車(AGV)電池組
- 便攜式醫療設備和電動工具
環球供應鏈與批發合作夥伴方案
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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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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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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。
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