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NXP的電源開(kāi)關(guān)提供電機(jī)驅(qū)動(dòng)器/控制器集成電路，使用SMARTMOS技術(shù)用于工業(yè)應(yīng)用。 mc34931（單）和 mc34932（雙）直流電機(jī)驅(qū)動(dòng)器是單片高效的28V/5AH橋直流電機(jī)驅(qū)動(dòng)器，具有實(shí)時(shí)負(fù)載電流監(jiān)測(cè)和自動(dòng)熱回?cái)?，確保高可用性運(yùn)行在高電流，高溫工業(yè)應(yīng)用。 它主要用于直流刷和伺服電機(jī)驅(qū)動(dòng)器的應(yīng)用。 該 mc34933是一個(gè)1.4A雙H橋驅(qū)動(dòng)器瞄準(zhǔn)數(shù)碼相機(jī)市場(chǎng)。 該 mc34937a是一種場(chǎng)效應(yīng)晶體管(FET)預(yù)驅(qū)動(dòng)器，用于三相電機(jī)控制和類(lèi)似的應(yīng)用。 該集成電路包含三個(gè)高側(cè)場(chǎng)效應(yīng)管預(yù)驅(qū)動(dòng)和三個(gè)低側(cè)場(chǎng)效應(yīng)管預(yù)驅(qū)動(dòng)。 三個(gè)外部自舉電容器為高側(cè)場(chǎng)效應(yīng)管提供柵極電荷。
NXP公司的5.0A單片H橋電源集成電路是一款整體熱高效的28V/5A型H橋直流電機(jī)驅(qū)動(dòng)器，具有實(shí)時(shí)負(fù)載電流監(jiān)測(cè)和自動(dòng)熱退關(guān)功能，在高電流、高溫工業(yè)應(yīng)用中保證了高可用性。 它主要設(shè)計(jì)用于直流刷和伺服電機(jī)驅(qū)動(dòng)器應(yīng)用范圍內(nèi)的電流和電壓限制在本規(guī)范規(guī)定。 該設(shè)備采用SMARTMOS技術(shù)供電。
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NXP's mc34932 Dual Monolithic H-Bridge Power IC consists of two monolithic thermally efficient 28V/5A H-Bridge DC motor drivers in the same package. It features real-time load current monitoring and automatic thermal back-off ensuring high availability operation in demanding high-current, high-temperature industrial applications. It is designed primarily for DC brushed and DC servo motor driver applications within the current and voltage limits stated in this specification. This device is powered by SMARTMOS technology.
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NXP mc34933 two channel H-Bridge driver is aimed at the digital camera market. mc34933 uses NXP's proprietary SMOS8 Bi CMOS process to deliver a low power device, with a maximum quiescent current of 100μA for the motor drive supply and 400μA for the control logic supply. This device has four operation modes: forward, reverse, brake, and tri-state (high-impedance). The 34933 employs a VCC detection circuit to sense when the logic supply switches to an off-state with a maximum current of 1uA to extend battery life.
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NXP's mc34937a Three Phase Field Effect Transistor Pre-Driver is designed for three-phase motor control and similar applications. The integrated circuit (IC) uses SMARTMOS technology. The IC contains three high side FET pre-drivers and three low side FET pre-drivers. Three external bootstrap capacitors provide gate charge to the high side FETs. The IC interfaces to a MCU via six direct input control signals, an SPI port for device setup and fault detection, an asynchronous reset, an interrupt and two enable signals. Both 5.0 and 3.0V logic level inputs are accepted and 5.0 V logic level outputs are provided.
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