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Product Overview
The SN75451BP is a dual peripheral driver from Texas Instruments, designed for high-current, high-voltage interface applications. Housed in an 8-pin PDIP package, it integrates two independent driver channels capable of sinking up to 500 mA per channel. The device features TTL-compatible inputs, making it ideal for driving relays, solenoids, lamps, and other inductive loads in industrial and automotive systems.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.75 V to 5.25 V |
| Output Current per Channel |
500 mA (max) |
| Output Voltage (VCE) |
30 V (max) |
| Input Voltage Range |
0 V to 5.5 V |
| Input Threshold (TTL) |
Low: ≤0.8 V, High: ≥2.0 V |
| Propagation Delay (tPLH/tPHL) |
15 ns (typ) |
| Operating Temperature |
0°C to 70°C |
| Package |
8-PDIP |
Key Features
- Dual peripheral driver with independent channels
- High output current: 500 mA per channel
- High output voltage: 30 V
- TTL/CMOS compatible inputs
- Internal clamp diodes for inductive load protection
- Low power consumption
- 8-pin PDIP package for easy through-hole mounting
Target Applications
- Relay and solenoid drivers in industrial control systems (e.g., PLC output modules)
- Lamp and LED drivers for automotive dashboard lighting
- Motor drivers for small DC motors in robotics
- Interface drivers for 5G base station power management
- Peripheral drivers in consumer electronics (e.g., printer head drivers)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN75451BP. 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
SN75451BP 是德州儀器推出的雙通道外設驅動器,採用 8 引腳 PDIP 封裝,專為高電流、高電壓接口應用設計。每個通道可獨立驅動高達 500 mA 的電流,輸入與 TTL 邏輯兼容,適用於驅動繼電器、電磁閥、燈泡等感性負載,廣泛應用於工業和汽車電子系統。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.75 V 至 5.25 V |
| 每通道輸出電流 |
500 mA(最大) |
| 輸出電壓 (VCE) |
30 V(最大) |
| 輸入電壓範圍 |
0 V 至 5.5 V |
| 輸入閾值 (TTL) |
低電平:≤0.8 V,高電平:≥2.0 V |
| 傳播延遲 (tPLH/tPHL) |
15 ns(典型) |
| 工作溫度 |
0°C 至 70°C |
| 封裝 |
8-PDIP |
核心特性
- 雙通道獨立驅動
- 高輸出電流:每通道 500 mA
- 高輸出電壓:30 V
- TTL/CMOS 兼容輸入
- 內置鉗位二極管,保護感性負載
- 低功耗
- 8 引腳 PDIP 封裝,便於通孔安裝
典型應用場景
- 工業控制系統中的繼電器和電磁閥驅動(如 PLC 輸出模塊)
- 汽車儀表盤照明中的燈泡和 LED 驅動
- 機器人技術中的小型直流電機驅動
- 5G 基站電源管理中的接口驅動
- 消費電子中的外設驅動(如打印機頭驅動)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN75451BP 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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