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Product Overview
The PCA9533DP/01,118 is a 4-bit I2C-bus and SMBus I/O expander optimized for LED dimming and blinking. It provides four open-drain outputs capable of driving LEDs with programmable PWM brightness control. The device operates from 2.3V to 5.5V and features a low standby current. Housed in a compact 8-TSSOP package, it is ideal for space-constrained applications requiring simple LED control.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage |
2.3V – 5.5V |
| Output Current per Pin |
25 mA (max) |
| I2C Bus Frequency |
400 kHz (max) |
| PWM Frequency |
152 Hz (typical) |
| Standby Current |
1 µA (typical) |
| Operating Temperature |
-40°C to +85°C |
| Package |
8-TSSOP |
Key Features
- 4 open-drain outputs with programmable PWM dimming
- Individual output on/off control
- I2C-bus interface with up to 4 device addresses
- Low standby current consumption
- Internal oscillator for PWM generation
- Power-on reset with all outputs off
- ESD protection exceeds 2000V HBM
Target Applications
- LED status indicators in 5G base stations
- Backlight control for automotive dashboard displays
- Keypad backlighting in industrial control panels
- Notification LEDs in smart home devices
- Portable electronics (e.g., smartphones, tablets)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
PCA9533DP/01,118. 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
PCA9533DP/01,118 是一款4位I2C總線和SMBus I/O擴展器,專為LED調光和閃爍優化。它提供四個開漏輸出,可通過可編程PWM亮度控制驅動LED。器件工作電壓為2.3V至5.5V,具有低待機電流。採用緊湊的8-TSSOP封裝,非常適合需要簡單LED控制的空間受限應用。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 |
2.3V – 5.5V |
| 每引腳輸出電流 |
25 mA(最大) |
| I2C總線頻率 |
400 kHz(最大) |
| PWM頻率 |
152 Hz(典型) |
| 待機電流 |
1 µA(典型) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
8-TSSOP |
核心特性
- 4個開漏輸出,帶可編程PWM調光
- 獨立輸出開/關控制
- I2C總線接口,最多4個器件地址
- 低待機電流消耗
- 內部振盪器用於PWM生成
- 上電復位,所有輸出關閉
- ESD保護超過2000V HBM
典型應用場景
- 5G基站中的LED狀態指示燈
- 汽車儀表盤顯示器的背光控制
- 工業控制面板的鍵盤背光
- 智能家居設備中的通知LED
- 便攜式電子產品(如智能手機、平板電腦)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 PCA9533DP/01,118 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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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。
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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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Our team provides competitive wholesale pricing for PCA9533DP/01,118.
HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]