TPS56428RHLT TI DC-DC Converter | 14-VQFN (3.5x3.5) | 4.5V-17V Input, 4A Output

Product Overview

The TPS56428RHLT from Texas Instruments is a high-efficiency, synchronous step-down DC-DC converter capable of delivering up to 4A of continuous output current. It operates over a wide input voltage range of 4.5V to 17V, making it suitable for a variety of applications including industrial, automotive, and telecom systems. The device integrates low RDS(on) power MOSFETs and features a fixed 500kHz switching frequency to optimize efficiency and reduce external component size. Housed in a compact 14-pin VQFN package (3.5mm x 3.5mm), the TPS56428RHLT offers excellent thermal performance and space savings.

Detailed Technical Specifications

Key Features

• Integrated 4A MOSFETs with low RDS(on)
• Wide input voltage range: 4.5V to 17V
• Fixed 500kHz switching frequency
• High efficiency up to 95%
• Output voltage adjustable from 0.6V to 7V
• Comprehensive protection: OCP, OVP, UVLO, thermal shutdown
• Small 14-VQFN package for space-constrained designs
• Enable and soft-start functions

Target Applications

The TPS56428RHLT is ideal for a wide range of applications including:

• 5G base station power supplies
• Automotive infotainment and dashboard systems
• Industrial control and automation
• Telecom and networking equipment
• Point-of-load (POL) converters for FPGAs and ASICs
• Portable and battery-powered devices

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for TPS56428RHLT. 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

TPS56428RHLT 是德州儀器（TI）推出的一款高效率、同步降壓 DC-DC 轉換器，可提供高達 4A 的連續輸出電流。其輸入電壓範圍為 4.5V 至 17V，適用於工業、汽車和電信系統等多種應用。該器件集成了低導通電阻（RDS(on)）的功率 MOSFET，並採用固定的 500kHz 開關頻率，以優化效率並減小外部元件尺寸。TPS56428RHLT 採用緊湊的 14 引腳 VQFN 封裝（3.5mm x 3.5mm），具有出色的熱性能和節省空間的優勢。

詳細技術參數

核心特性

• 集成 4A MOSFET，低導通電阻
• 寬輸入電壓範圍：4.5V 至 17V
• 固定 500kHz 開關頻率
• 高效率，高達 95%
• 輸出電壓可調，範圍 0.6V 至 7V
• 全面保護：過流、過壓、欠壓鎖定、熱關斷
• 小型 14-VQFN 封裝，適合空間受限設計
• 使能和軟啟動功能

典型應用場景

TPS56428RHLT 適用於多種應用，包括：

• 5G 基站電源
• 汽車信息娛樂和儀表板系統
• 工業控制和自動化
• 電信和網絡設備
• FPGA 和 ASIC 的負載點（POL）轉換器
• 便攜式和電池供電設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 TPS56428RHLT 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]