功能描述：大量的保護和操作特性(速度，扭矩、方向、動態(tài)斷路、PWM控制和閉環(huán)控制)使34931是一個非常有吸引力的，可控制的。用于控制大范圍小直流的解決方案馬達。34931輸出能夠支持峰值直流負載電流從28伏特VPWR源起至5.0 A。一個提供內裝泵和門驅動電路能夠支持外部PWM頻率到11千赫。34931有一個模擬反饋(電流鏡)輸出pin (FB引腳)，它提供了恒流源。與活躍的高側MOSFETs電流有關。這可以用于提供輸出電流的監(jiān)控，方便電機轉速/轉矩控制的閉環(huán)操作開放載荷條件的檢測。兩個獨立的輸入，IN1和IN2，提供控制兩個圖騰桿半橋輸出。兩個獨立的禁止輸入，D1和EN/D2，提供強制H-bridge輸出到高阻抗狀態(tài)(全H-bridge)開關關閉)。EN/D2針也控制了一個enable。功能，使集成電路處于節(jié)能狀態(tài)睡眠模式。34931有輸出電流限制(通過常數(shù)關閉時間)。脈寬調制
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主營：電源管理IC、LED電源IC
品牌：TI ST Silergy 士蘭微
李格賢（先生）13207879178(微信同號）
QQ號：2132672895
電話：0755-29042099-6036
郵箱：ligexian@foxmail.com
公司名稱：深圳市泛芯實業(yè)有限公司
公司地址：深圳市龍崗區(qū)坂田街道吉華路312號德寶利科技園
