TPS3431SDRBR TI Supervisory Circuit | 8-SON(3x3) | 4.63V Threshold, Active-High

Product Overview

The TPS3431SDRBR from Texas Instruments is a supervisory circuit designed for monitoring power supply voltages in digital systems. It provides a reset output during power-up, power-down, and brown-out conditions. The device features a fixed threshold voltage of 4.63V, making it suitable for 5V systems. It comes in a compact 8-pin SON (3x3 mm) package, ideal for space-constrained applications. The reset output is active-high, and the device offers a manual reset input for external triggering.

Detailed Technical Specifications

Key Features

• Fixed threshold voltage of 4.63V for 5V system monitoring
• Active-high reset output with push-pull drive
• Manual reset input for external control
• Low quiescent current of 10 µA
• Wide operating temperature range from -40°C to +125°C
• Small 8-pin SON package (3x3 mm) for space-saving designs
• Reset timeout period of 200ms ensures stable system startup

Target Applications

• 5G base stations: Monitoring power rails in remote radio units
• Automotive dashboards: Ensuring proper reset of infotainment systems
• Industrial controllers: Supervising PLC power supplies
• Medical devices: Monitoring battery-powered equipment
• IoT gateways: Managing power-on reset sequences

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for TPS3431SDRBR. 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

TPS3431SDRBR 是德州儀器（TI）推出的一款電源監控復位電路，專為數字系統中的電源電壓監控而設計。它在系統上電、掉電和電壓驟降時提供復位輸出信號。該器件具有固定的 4.63V 閾值電壓，適用於 5V 系統。它採用緊湊的 8 引腳 SON（3x3 mm）封裝，非常適合空間受限的應用。復位輸出為高電平有效，並提供手動復位輸入以實現外部觸發。

詳細技術參數

核心特性

• 固定 4.63V 閾值電壓，用於 5V 系統監控
• 高電平有效復位輸出，推挽驅動
• 手動復位輸入，支持外部控制
• 低靜態電流，僅 10 µA
• 寬工作溫度範圍：-40°C 至 +125°C
• 小型 8 引腳 SON 封裝（3x3 mm），節省空間
• 200ms 復位超時週期，確保系統穩定啟動

典型應用場景

• 5G 基站：監控遠程射頻單元的電源軌
• 汽車儀表盤：確保信息娛樂系統的正確復位
• 工業控制器：監控 PLC 電源
• 醫療設備：監控電池供電設備
• 物聯網網關：管理上電復位序列

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 TPS3431SDRBR 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。
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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。
• 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。
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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。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
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