TPS3840DL45DBVR TI Voltage Supervisor | SOT-23-5 | 4.5V Threshold, Active-Low

Product Overview

The TPS3840DL45DBVR from Texas Instruments is a high-accuracy voltage supervisor designed for monitoring power supply voltages in a wide range of applications. It features a fixed threshold voltage of 4.5V with a precision of ±1% over temperature. The device is available in a compact SOT-23-5 package, making it ideal for space-constrained designs. It provides an active-low, open-drain RESET output that remains asserted when VDD is below the threshold and for a fixed delay time after VDD rises above the threshold. The TPS3840DL45DBVR operates over a supply voltage range of 1.5V to 6.0V and consumes ultra-low quiescent current of typically 220 nA, making it suitable for battery-powered applications.

Detailed Technical Specifications

Key Features

• Ultra-low quiescent current: 220 nA typical
• High threshold accuracy: ±1% over temperature
• Fixed threshold voltage: 4.5V
• Open-drain RESET output with internal pull-up
• Built-in reset delay: 200 ms
• Wide supply voltage range: 1.5V to 6.0V
• Small SOT-23-5 package
• Operating temperature: -40°C to +125°C

Target Applications

• 5G base station power supply monitoring
• Automotive dashboard and infotainment systems
• Industrial control systems (e.g., PLC, motor drives)
• Portable and battery-powered devices (e.g., IoT sensors, wearables)
• Medical equipment (e.g., patient monitors, infusion pumps)
• Networking equipment (e.g., routers, switches)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for TPS3840DL45DBVR. 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

TPS3840DL45DBVR 是德州儀器推出的一款高精度電壓監控器，專為監控各種應用中的電源電壓而設計。它具有固定的 4.5V 閾值電壓，精度在整個溫度範圍內為 ±1%。該器件採用緊湊的 SOT-23-5 封裝，非常適合空間受限的設計。它提供一個低電平有效、開漏的 RESET 輸出，當 VDD 低於閾值時該輸出保持有效，並在 VDD 上升到閾值以上後保持一段固定的延遲時間。TPS3840DL45DBVR 的工作電源電壓範圍為 1.5V 至 6.0V，典型靜態電流僅為 220 nA，使其適用於電池供電的應用。

詳細技術參數

核心特性

• 超低靜態電流：典型值 220 nA
• 高閾值精度：全溫度範圍 ±1%
• 固定閾值電壓：4.5V
• 開漏 RESET 輸出，帶內部上拉
• 內置復位延遲：200 ms
• 寬電源電壓範圍：1.5V 至 6.0V
• 小型 SOT-23-5 封裝
• 工作溫度：-40°C 至 +125°C

典型應用場景

• 5G 基站電源監控
• 汽車儀表板和資訊娛樂系統
• 工業控制系統（例如 PLC、電機驅動器）
• 便攜式和電池供電設備（例如 IoT 感測器、可穿戴設備）
• 醫療設備（例如病人監護儀、輸液泵）
• 網路設備（例如路由器、交換機）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 TPS3840DL45DBVR 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。
• 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]