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Product Overview
The TPS8804DCPR from Texas Instruments is a highly integrated analog front-end (AFE) for smoke and fire detectors. It combines a photodiode amplifier, LED driver, and ambient light cancellation in a single 38-HTSSOP package. Designed for low-power operation, it supports both ionization and photoelectric smoke detection methods, making it ideal for battery-powered safety applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage |
2.7V to 5.5V |
| Quiescent Current |
10 µA (typical) |
| Peak LED Drive Current |
200 mA |
| Photodiode Input Range |
0 to 100 µA |
| Ambient Light Rejection |
> 100 dB |
| Interface |
I2C (up to 400 kHz) |
| Operating Temperature |
-40°C to +85°C |
| Package |
38-HTSSOP |
Key Features
- Ultra-low quiescent current (10 µA) for extended battery life
- Integrated LED driver with programmable current up to 200 mA
- On-chip ambient light cancellation for reliable detection
- I2C interface for easy configuration and data readout
- Built-in fault detection and diagnostics
- Small 38-HTSSOP package for space-constrained designs
Target Applications
- Residential smoke detectors (e.g., Kidde, First Alert)
- Commercial fire alarm systems (e.g., Honeywell, Siemens)
- Industrial gas and smoke sensors
- Smart home safety devices (e.g., Nest Protect)
- Battery-powered IoT smoke detectors
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS8804DCPR. 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
TPS8804DCPR 是德州儀器推出的高度集成模擬前端 (AFE),專為煙霧和火災探測器設計。它將光電二極管放大器、LED 驅動器和環境光消除功能集成在一個 38-HTSSOP 封裝中。該器件專為低功耗操作而設計,支持電離式和光電式煙霧檢測方法,非常適合電池供電的安全應用。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 |
2.7V 至 5.5V |
| 靜態電流 |
10 µA(典型值) |
| 峰值 LED 驅動電流 |
200 mA |
| 光電二極管輸入範圍 |
0 至 100 µA |
| 環境光抑制 |
> 100 dB |
| 接口 |
I2C(最高 400 kHz) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
38-HTSSOP |
核心特性
- 超低靜態電流(10 µA),延長電池壽命
- 集成 LED 驅動器,可編程電流高達 200 mA
- 片上環境光消除,確保可靠檢測
- I2C 接口,便於配置和數據讀取
- 內置故障檢測和診斷功能
- 小型 38-HTSSOP 封裝,適合空間受限的設計
典型應用場景
- 住宅煙霧探測器(例如 Kidde、First Alert)
- 商用火災報警系統(例如 Honeywell、Siemens)
- 工業氣體和煙霧傳感器
- 智能家居安全設備(例如 Nest Protect)
- 電池供電的物聯網煙霧探測器
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TPS8804DCPR 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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