The A4989 is a dual full-bridge gate driver with integrated microstepping translator suitable for driving a wide range of higher power industrial bipolar 2-phase stepper motors (typically 30 to 500 W).

Description The A4989 is a dual full-bridge gate driver with integrated microstepping translator suitable for driving a wide range of higher power industrial bipolar 2-phase stepper motors (typically 30 to 500 W). Motor power is provided by external N-channel power MOSFETs at supply voltages fr

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帶微步轉(zhuǎn)換器的雙路全橋式 MOSFET 驅(qū)動(dòng)器

A4989 是雙路全橋式門極驅(qū)動(dòng)器，帶有集成微步轉(zhuǎn)換器，該轉(zhuǎn)換器適用驅(qū)動(dòng)各種高功率工業(yè)用雙極二相步進(jìn)電動(dòng)機(jī)（一般為 30 至 500? 瓦特）。由外部 N 通道功率 MOSFET 提供電動(dòng)機(jī)功率，電源電壓為 12 至 50? 伏特。\n\n該裝置包括兩個(gè)正弦 DAC，可為兩個(gè)獨(dú)立的固定停機(jī)時(shí)間脈寬調(diào)制 (PWM) 電流控制器產(chǎn)生參考電壓。并可為外部功率 MOSFET 全橋提供電流調(diào)節(jié)。\n\n電動(dòng)機(jī)步進(jìn)由雙線式步進(jìn)及方向界面控制，在完整、1/2、1/4 及 1/16 步進(jìn)分解中，提供完整的微步控制。固定停機(jī)時(shí)間穩(wěn)壓器能夠在慢、混合或快速衰減模式下進(jìn)行操作，其操作可減少可聽得見的電動(dòng)機(jī)噪音、增加 ? 2 線式步進(jìn)及方向界面\n? N 通道 MOSFET 雙路全橋門極驅(qū)動(dòng)器\n? 在12 至 50? 伏特的電源電壓范圍內(nèi)操作\n? 同步整流\n? 交叉?zhèn)鲗?dǎo)保護(hù)\n? 可調(diào)混合衰減\n? 集成正弦 DAC 電流參考\n? 固定停機(jī)時(shí)間 PWM 電流控制\n? 微步時(shí)更好地控制低電流\n? 與?A3986?引腳兼容;

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The A4989 is a dual full-bridge gate driver with integrated microstepping translator suitable for driving a wide range of higher power industrial bipolar 2-phase stepper motors (typically 30 to 500 W).

Description The A4989 is a dual full-bridge gate driver with integrated microstepping translator suitable for driving a wide range of higher power industrial bipolar 2-phase stepper motors (typically 30 to 500 W). Motor power is provided by external N-channel power MOSFETs at supply voltages fr

文件：497.64 Kbytes 頁數(shù)：17 Pages

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Package：38-TFSOP（0.173"，4.40mm 寬）；包裝：卷帶（TR）剪切帶（CT）Digi-Reel? 得捷定制卷帶 功能：控制器 - 換向，方向管理 類別：集成電路（IC） 電機(jī)驅(qū)動(dòng)器，控制器 描述：IC MTR DRV BIPOLR 3-5.5V 38TSSOP

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