TPS54494 鏅�(sh铆)闁擄細2025/4/30 12:02:50 闁辫畝锛�35

TPS54494 鏄竴娆剧敱寰峰窞鍎€鍣� (TI) 鎻愪緵鐨勯珮鏁堝悓姝ラ檷澹撹綁(zhu菐n)鎻涘櫒锛岄噰鐢� 20 寮曡叧 HotRod QFN 灏佽銆傝┎鍣ㄤ欢鍏�(n猫i)缃簡楂樼鍜屼綆绔姛鐜� MOSFET锛岃兘澶犲湪 4.5V 鑷� 60V 鐨勫杓稿叆闆诲鑼冨湇鍏�(n猫i)宸ヤ綔锛屽苟鎻愪緵楂橀仈(d谩) 4A 鐨勯€ｇ簩(x霉)杓稿嚭闆绘祦銆俆PS54494 闆嗘垚浜嗗绋繚璀�(h霉)鍔熻兘锛屽閬庢祦淇濊(h霉)銆佺煭璺繚璀�(h霉)鍜岄亷婧棞(gu膩n)鏂风瓑锛屼娇鍏堕潪甯搁仼鍚堜簬宸ユキ(y猫)銆佹苯杌婂拰閫氫俊鎳�(y墨ng)鐢ㄤ腑鐨勯浕婧愮鐞嗚В姹烘柟妗堛€�
銆€銆€TPS54494 鐨勯枊闂�(gu膩n)闋荤巼鍙互閫氶亷澶栭儴闆婚樆閫�(j矛n)琛岀法绋�锛屽緸鑰屽厑瑷辫ō(sh猫)瑷�(j矛)浜哄摗鏍规摎(j霉)鍏烽珨闇€姹傚劒(y艒u)鍖栨晥鐜囧拰鍏冧欢灏哄銆傛澶�锛屽叾 D-CAP3 鎺у埗妯″紡鎻愪緵浜嗗揩閫熺灛鎱�(t脿i)闊挎噳(y墨ng)鍜岄珮绌�(w臎n)瀹氭€�锛岀劇闇€鐠�(hu谩n)璺(b菙)鍎�銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�4.5V - 60V
銆€銆€杓稿嚭闆绘祦锛�4A
銆€銆€闁嬮棞(gu膩n)闋荤巼鑼冨湇锛�200kHz - 2.2MHz锛堝彲瑾�(di脿o)锛�
銆€銆€灏佽锛�20 寮曡叧 HotRod QFN
銆€銆€鎺у埗妯″紡锛欴-CAP3 妯″紡
銆€銆€鏈€灏忓皫(d菐o)閫氭檪(sh铆)闁擄細75ns
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆€銆€鍏稿瀷闈滄厠(t脿i)闆绘祦锛�260渭A

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TPS54494 鍏锋湁浠ヤ笅涓昏鐗规€э細
銆€銆€1. 瀵几鍏ラ浕澹撹寖鍦嶏紝鏀寔寰為浕姹犱緵闆诲埌楂樺宸ユキ(y猫)闆绘簮鐨勬噳(y墨ng)鐢�銆�
銆€銆€2. 鍏�(n猫i)缃姛鐜� MOSFET锛屾笡灏戝閮ㄥ厓浠舵暩(sh霉)閲忓苟绨�(ji菐n)鍖栬ō(sh猫)瑷�(j矛)閬庣▼銆�
銆€銆€3. 鏀寔楂橀仈(d谩) 4A 鐨勯€ｇ簩(x霉)杓稿嚭闆绘祦锛屾豢瓒抽珮鎬ц兘绯荤当(t菕ng)鐨勯渶姹�銆�
銆€銆€4. D-CAP3 鎺у埗妯″紡鎻愪緵蹇€熺灛鎱�(t脿i)闊挎噳(y墨ng)锛岀劇闇€寰�(f霉)闆滅殑鐠�(hu谩n)璺(b菙)鍎熼浕璺�銆�
銆€銆€5. 鍙法绋嬮枊闂�(gu膩n)闋荤巼锛岄潏娲婚仼鎳�(y墨ng)鍚勭ó鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅€�
銆€銆€6. 澶氱ó淇濊(h霉)鍔熻兘锛屽寘鎷亷娴佷繚璀�(h霉)銆佺煭璺繚璀�(h霉)鍜岄亷婧棞(gu膩n)鏂风瓑锛岀⒑淇濈郴绲�(t菕ng)鍙潬閬�(y霉n)琛�銆�
銆€銆€7. 灏忓瀷鍖栧皝瑁濆拰楂樻晥鐜囪ō(sh猫)瑷�(j矛)锛岄仼鐢ㄤ簬绌洪枔鍙楅檺鍜屽皪(du矛)鏁ｇ啽瑕佹眰杓冮珮鐨勫牬(ch菐ng)鍚�銆�

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TPS54494 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆€銆€1. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栬ō(sh猫)鍌欎腑鐨勯浕婧愭ā濉�銆�
銆€銆€2. 閫氫俊鍩虹(ch菙)瑷�(sh猫)鏂斤紝渚嬪璺敱鍣�銆佷氦鎻涙(j墨)鍜屽熀绔�銆�
銆€銆€3. 姹借粖闆诲瓙绯荤当(t菕ng)锛屽寘鎷俊鎭妯傜郴绲�(t菕ng)鍜岃紨鍔╅椐涚郴绲�(t菕ng)銆�
銆€銆€4. LED 椹�(q奴)鍕�(d貌ng)鍣ㄥ拰鍥烘厠(t脿i)鐓ф槑瑙ｆ焙鏂规銆�
銆€銆€5. 渚挎敎寮忚ō(sh猫)鍌欏拰闆绘睜渚涢浕绯荤当(t菕ng)鐨勯珮鏁堥浕婧愯綁(zhu菐n)鎻�銆�
銆€銆€6. 鏁�(sh霉)鎿�(j霉)閲囬泦鍜屼俊铏�(h脿o)铏曠悊绯荤当(t菕ng)涓殑绌�(w臎n)澹撻浕婧愪緵鎳�(y墨ng)銆�