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Product Overview
The BQ2204ASNTR from Texas Instruments is a nonvolatile SRAM controller designed to provide battery backup and memory protection for SRAM modules. It integrates power-fail detection, battery switchover, and write protection in a compact 16-SOIC package. The device ensures data retention during power loss by automatically switching to a backup battery and asserting chip-enable (CE) and write-enable (WE) signals to prevent spurious writes. It operates over a wide temperature range (-40°C to +85°C) and is ideal for industrial and automotive applications requiring reliable data storage.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
3.0V to 3.6V |
| Supply Current (ICC) |
2.5 mA (typical) |
| Battery Backup Voltage |
2.0V to 3.6V |
| Battery Backup Current |
1 µA (typical) |
| Operating Temperature |
-40°C to +85°C |
| Package |
16-SOIC |
| Output Drive |
TTL/CMOS compatible |
| Power-Fail Detection Threshold |
2.7V (typical) |
Key Features
- Automatic battery switchover on power failure
- Prevents spurious writes during power transitions
- Low battery backup current (1 µA typical)
- Wide operating voltage range (3.0V to 3.6V)
- Compact 16-SOIC package for space-constrained designs
- Industrial temperature range (-40°C to +85°C)
Target Applications
- 5G base station configuration memory backup
- Automotive dashboard data logging (e.g., event recorders)
- Industrial PLC parameter storage
- Medical device calibration data retention
- Smart grid meter data backup
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BQ2204ASNTR. 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
BQ2204ASNTR 是德州儀器推出的非易失性 SRAM 控制器,專為 SRAM 模組提供電池備份和存儲保護。它集成了掉電檢測、電池切換和寫保護功能,採用緊湊的 16-SOIC 封裝。在電源中斷時,器件會自動切換到備用電池,並通過控制片選(CE)和寫使能(WE)信號防止誤寫入,確保數據可靠保存。該器件支持 -40°C 至 +85°C 的寬溫度範圍,適用於需要可靠數據存儲的工業和汽車應用。
詳細技術參數
| 參數 |
數值 |
| 供電電壓 (VCC) |
3.0V 至 3.6V |
| 供電電流 (ICC) |
2.5 mA(典型值) |
| 電池備份電壓 |
2.0V 至 3.6V |
| 電池備份電流 |
1 µA(典型值) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
16-SOIC |
| 輸出驅動 |
TTL/CMOS 兼容 |
| 掉電檢測閾值 |
2.7V(典型值) |
核心特性
- 電源故障時自動切換到備用電池
- 防止電源切換期間的誤寫入
- 低電池備份電流(典型值 1 µA)
- 寬工作電壓範圍(3.0V 至 3.6V)
- 緊湊的 16-SOIC 封裝,適合空間受限設計
- 工業級溫度範圍(-40°C 至 +85°C)
典型應用場景
- 5G 基站配置存儲備份
- 汽車儀表板數據記錄(如事件記錄器)
- 工業 PLC 參數存儲
- 醫療設備校準數據保存
- 智能電網電表數據備份
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 BQ2204ASNTR 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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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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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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