SN75LBC171DB TI RS-485 Transceiver | 20-SSOP | 250kbps, 1/8 Unit Load

Product Overview

The SN75LBC171DB from Texas Instruments is a low-power differential bus transceiver designed for RS-485 and RS-422 communication. It features a 1/8 unit load receiver input impedance, allowing up to 256 nodes on the bus. The device operates from a single 5V supply and supports data rates up to 250 kbps. Housed in a compact 20-SSOP package, it is ideal for industrial automation, building automation, and telecom infrastructure.

Detailed Technical Specifications

Key Features

• 1/8 unit load allows up to 256 transceivers on the bus
• Low power consumption: <5 mA quiescent current
• Thermal shutdown protection
• Open-circuit, short-circuit, and idle bus fail-safe
• Glitch-free power-up/power-down
• Pin-compatible with industry-standard SN75176

Target Applications

• Industrial automation: PLCs, motor drives, sensors (e.g., Siemens S7-1200)
• Building automation: HVAC controllers, lighting systems (e.g., Honeywell T775)
• Telecom infrastructure: 5G base station backhaul, remote radio units (e.g., Nokia AirScale)
• Automotive: EV charging stations, battery management systems (e.g., Tesla Supercharger)
• Security systems: CCTV PTZ control, access control panels (e.g., Hikvision DS-K1T672)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN75LBC171DB. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• 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.

• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
• RoHS Compliant: All electronic components comply with international environmental and safety standards.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

SN75LBC171DB 是德州儀器推出的低功耗差分總線收發器，專為 RS-485 和 RS-422 通信設計。其接收器輸入阻抗為 1/8 單位負載，允許總線上最多連接 256 個節點。器件採用單一 5V 電源供電，支持最高 250 kbps 的數據速率。緊湊的 20-SSOP 封裝使其非常適合工業自動化、樓宇自動化和電信基礎設施。

詳細技術參數

核心特性

• 1/8 單位負載，總線可容納多達 256 個收發器
• 低功耗：靜態電流 <5 mA
• 熱關斷保護
• 開路、短路和空閒總線故障安全
• 無干擾上電/斷電
• 與業界標準 SN75176 引腳兼容

典型應用場景

• 工業自動化：PLC、電機驅動、傳感器（例如西門子 S7-1200）
• 樓宇自動化：HVAC 控制器、照明系統（例如霍尼韋爾 T775）
• 電信基礎設施：5G 基站回程、遠程射頻單元（例如諾基亞 AirScale）
• 汽車：電動汽車充電站、電池管理系統（例如特斯拉 Supercharger）
• 安防系統：CCTV 雲台控制、門禁控制面板（例如海康威視 DS-K1T672）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN75LBC171DB 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 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。
• 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。
• 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。
• 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。
• 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。

• 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。
• 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。
• 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。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]