TPS3840PH30DBVR TI Voltage Supervisor | SOT-23-5 | 3.0V Threshold, Active-High

Product Overview

The TPS3840PH30DBVR from Texas Instruments is a high-performance voltage supervisor (reset IC) designed for precise monitoring of power supply voltages in a wide range of electronic systems. Housed in a compact SOT-23-5 package, this device offers a fixed threshold voltage of 3.0V with an active-high, open-drain RESET output. It ensures reliable system reset during power-up, power-down, and brown-out conditions, making it ideal for applications requiring high accuracy and low power consumption.

Detailed Technical Specifications

Key Features

• Ultra-low quiescent current: 350 nA typical, extending battery life in portable devices.
• High threshold accuracy: ±1.5% over full temperature range ensures reliable system monitoring.
• Fixed threshold voltage: 3.0V eliminates external resistor dividers, saving board space.
• Active-high open-drain output: Compatible with various logic families and allows wired-OR connection.
• Built-in glitch immunity: Rejects fast transients on the supply rail to prevent false resets.
• Small SOT-23-5 package: Ideal for space-constrained designs.

Target Applications

• 5G base station power supply monitoring: Ensures stable operation of baseband and RF modules.
• Automotive dashboard systems: Monitors ECU and sensor power rails for reliable startup.
• Industrial IoT sensors: Provides reset supervision for low-power wireless nodes.
• Portable medical devices: Ensures safe operation during battery discharge.
• Smart home gateways: Monitors core voltage for consistent performance.

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for TPS3840PH30DBVR. 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

TPS3840PH30DBVR 是德州儀器推出的一款高性能電壓監控器（復位IC），專為精確監測各種電子系統中的電源電壓而設計。該器件採用緊湊的 SOT-23-5 封裝，提供 3.0V 的固定閾值電壓和有效高電平、開漏 RESET 輸出。它在上電、掉電和電壓驟降條件下確保系統可靠復位，非常適合需要高精度和低功耗的應用。

詳細技術參數

核心特性

• 超低靜態電流：典型值 350 nA，延長便攜設備的電池壽命。
• 高閾值精度：全溫度範圍內 ±1.5%，確保可靠的系統監控。
• 固定閾值電壓：3.0V，無需外部電阻分壓器，節省電路板空間。
• 有效高電平開漏輸出：兼容多種邏輯系列，支持線或連接。
• 內置抗干擾能力：抑制電源軌上的快速瞬變，防止誤復位。
• 小型 SOT-23-5 封裝：適合空間受限的設計。

典型應用場景

• 5G 基站電源監控：確保基帶和射頻模塊的穩定運行。
• 汽車儀表板系統：監控 ECU 和傳感器電源軌，實現可靠啟動。
• 工業物聯網傳感器：為低功耗無線節點提供復位監控。
• 便攜醫療設備：確保電池放電期間的安全運行。
• 智能家居網關：監控核心電壓以保持穩定性能。

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 TPS3840PH30DBVR 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]