描述 Description

This dual full?bridge driver IC is intended for 14 V automotive stepper and DC motor applications. Its four half?bridge outputs are configured as two channels and are programmed by six TTL compatible inputs, allowing flexible control of bridge operation. The device operates in standby mode, run mode, or brake mode and typically consumes less than 1 uA while in standby. In run mode, each half?bridge output can deliver load current in either direction. Brake mode activates the low side transistors or high side transistors at the selected outputs. On?chip recirculation diodes are provided, and the IC has multiple fault protection modes. Overcurrent detection protects against shorted loads between outputs and shorts to supply or ground at each output. An overcurrent fault condition activates an internal timer, which modulates faulted outputs at low duty cycle. An overcurrent condition in one channel does not affect operation in the other. Overvoltage and overtemperature detection are also provided, and turn off all bridge outputs during these fault conditions. Recovery from all fault conditions is automatic; the IC will resume normal operation in its previously selected mode upon fault resolution. Diagnostic ability is provided by two open?collector STATUS outputs which report the fault status of each channel independently during overcurrent faults, and together during overvoltage or overtemperature faults.

特性 Features

? Single 7 V to 16 V Supply
? Low Standby Current:
? 3.3 V / 5 V Compatible Inputs
? Independent Channel Enable
? Full-Bridge, Half-Bridge, High Side or Low Side Drive
? On-Chip Recirculation Diodes
? Fault Protection with Automatic Recovery
? Overcurrent Protection
? Overvoltage Protection
? Overtemperature Protection
? Fault Diagnostic STATUS Outputs
? Internally Fused Leads in SO24L Package
? AEC Qualified
? PPAP Capable

應(yīng)用 Application

? DC or Stepper Motors
? Relays or Solenoids
? Unipolar or Bipolar Loads
? Automotive

簡(jiǎn)介

NCV7702B屬于集成電路（IC）的電機(jī)驅(qū)動(dòng)器控制器。由制造生產(chǎn)的NCV7702B電機(jī)驅(qū)動(dòng)器，控制器產(chǎn)品屬于電機(jī)驅(qū)動(dòng)器和控制器電源管理集成電路 (PMIC) 系列，可用于控制或操作從某電源施加到電機(jī)或相關(guān)機(jī)電執(zhí)行器的電源。所實(shí)現(xiàn)的具體功能和特性集根據(jù)預(yù)期負(fù)載和預(yù)期應(yīng)用的特性有很大差異，范圍從用于有刷電機(jī)的簡(jiǎn)單開環(huán)速度控制到基于步進(jìn)電機(jī)的高級(jí)閉環(huán)運(yùn)動(dòng)控制。