描述 Description

The NCV7728 is a Hex Half-Bridge Driver with protection features designed specifically for automotive and industrial motion control applications. The NCV7728 has independent controls and diagnostics. The device can be operated in forward, reverse, brake, and high impedance states. The drivers are controlled via a 16 bit SPI interface and are daisy chain compatible.

特性 Features

? Low Quiescent Current Sleep Mode
? Half-bridge Connected High-side & Low-side Driver Configuration
? Integrated High and Low-side Freewheeling Protection
? 0.55 A Peak Current
? RDS(on) = 1 Ω (typ.)
? 5 MHz SPI Control
? Compliance with 5 V and 3.3 V Systems
? Undervoltage & Overvoltage Lockout
? Discriminated Fault Reporting
? Overcurrent Protection
? Overtemperature Protection
? High-side and Low-side Underload Detection
? Daisy Chain Compatible with Multiples of 8-bit Devices
? 16-bit Frame Detection

應(yīng)用 Application

? Automotive
? Industrial
? DC Motor Management for HVAC Application

簡介

NCV7728屬于集成電路（IC）的全半橋驅(qū)動器。由制造生產(chǎn)的NCV7728全半橋驅(qū)動器器件屬于電橋驅(qū)動器電源管理集成電路 (PMIC) 系列，包含兩個或多個功率晶體管，以及在外部器件控制下將其用作開關(guān)所需的電路。這些晶體管通常在內(nèi)部配置為成對串聯(lián)連接（稱為半橋），因而任意指定晶體管對之間的結(jié)點都可以連接至兩個電源軌中的任一個。這類器件常用于將控制器件（如微控制器）提供的低電平信號轉(zhuǎn)換為操作執(zhí)行器（如步進電機或無刷電機）所需的較大功率信號。