INA745AQWRELRQ1 TI Current Sense Amplifier | 14-VQFN (5×3) | 85V, 1.2MHz

Product Overview

The INA745AQWRELRQ1 from Texas Instruments is a high-performance, automotive-grade current sense amplifier designed for precise current measurement in high-voltage systems. It operates over a wide common-mode voltage range from -0.1V to +85V, making it suitable for both low-side and high-side sensing. The device features a gain of 20 V/V and a bandwidth of 1.2 MHz, enabling fast and accurate current monitoring. Housed in a compact 14-VQFN (5×3) package, it is ideal for space-constrained automotive and industrial applications.

Detailed Technical Specifications

Key Features

• Wide common-mode voltage range: -0.1 V to +85 V
• High bandwidth: 1.2 MHz
• Low offset voltage: ±150 µV (max)
• Low gain error: ±0.5% (max)
• Automotive-grade: AEC-Q100 qualified
• Small package: 14-VQFN (5×3 mm)

Target Applications

• Automotive battery management systems (BMS) for electric vehicles (EV) and hybrid electric vehicles (HEV)
• Current monitoring in 5G base station power supplies
• Motor control in automotive dashboard systems
• Industrial power inverters and servo drives
• Solar panel string current monitoring

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for INA745AQWRELRQ1. 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

INA745AQWRELRQ1 是德州儀器（TI）推出的一款高性能車規級電流檢測放大器，專為高壓系統中的精確電流測量而設計。其共模電壓範圍為 -0.1V 至 +85V，支援低側和高側檢測。該器件增益為 20 V/V，頻寬為 1.2 MHz，可實現快速準確的電流監控。採用緊湊的 14-VQFN（5×3）封裝，適合空間受限的汽車和工業應用。

詳細技術參數

核心特性

• 寬共模電壓範圍：-0.1 V 至 +85 V
• 高頻寬：1.2 MHz
• 低偏移電壓：±150 µV（最大值）
• 低增益誤差：±0.5%（最大值）
• 車規級：通過 AEC-Q100 認證
• 小型封裝：14-VQFN（5×3 mm）

典型應用場景

• 電動汽車（EV）和混合動力汽車（HEV）的電池管理系統（BMS）
• 5G 基站電源中的電流監控
• 汽車儀表盤系統中的電機控制
• 工業電源逆變器和伺服驅動器
• 太陽能電池板串聯電流監控

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 INA745AQWRELRQ1 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]