TPS51640A 鏅�(sh铆)闁擄細2025/5/6 14:25:16 闁辫畝锛�24

TPS51640A 鏄竴娆鹃珮搴﹂泦鎴愮殑鍚屾闄嶅鐩存祦-鐩存祦杞�(zhu菐n)鎻涘櫒锛岄仼鐢ㄤ簬闇€瑕侀珮鏁堢巼鍜屽皬灏哄瑙ｆ焙鏂规鐨勬噳(y墨ng)鐢ㄥ牬(ch菐ng)鏅€傝┎鑺墖鍏�(n猫i)缃簡鍔熺巼MOSFET锛屾敮鎸侀珮閬�(d谩)28V鐨勮几鍏ラ浕澹撹寖鍦�锛屽苟鑳芥彁渚涢珮閬�(d谩)6A鐨勯€ｇ簩(x霉)杓稿嚭闆绘祦銆傚叾鍥哄畾闋荤巼PWM鎺у埗妯″紡纰轰繚浜嗙┅(w臎n)瀹氱殑宸ヤ綔鎬ц兘锛屽悓鏅�(sh铆)鏀寔鍙(di脿o)闁�(k膩i)闂�(gu膩n)闋荤巼浠ュ劒(y艒u)鍖栬ō(sh猫)瑷�(j矛)闈堟椿鎬�銆�
銆€銆€TPS51640A 闆嗘垚浜嗗绋繚璀�(h霉)鍔熻兘锛屽寘鎷亷(gu貌)娴佷繚璀�(h霉)銆佺煭璺繚璀�(h霉)鍜岄亷(gu貌)婧繚璀�(h霉)锛屽緸鑰屾彁楂樹簡绯荤当(t菕ng)鐨勫彲闈犳€у拰瀹夊叏鎬�銆傛澶�锛岃┎鍣ㄤ欢閭勬敮鎸佷娇鑳藉紩鑵冲拰杌熷暉鍕�(d貌ng)鍔熻兘锛屼究浜庣敤鎴跺(sh铆)鐝�(xi脿n)闈堟椿鐨勯浕婧愮鐞�銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�4.5V - 28V
銆€銆€杓稿嚭闆诲鑼冨湇锛�0.9V - 13.8V
銆€銆€鏈€澶ц几鍑洪浕娴侊細6A
銆€銆€闁�(k膩i)闂�(gu膩n)闋荤巼鑼冨湇锛�200kHz - 2.2MHz
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆€銆€灏佽椤炲瀷锛�3mm x 3mm QFN-16

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TPS51640A 鐨勪富瑕佺壒鎬у涓嬶細
銆€銆€1. 鍏�(n猫i)缃珮鏁堝姛鐜嘙OSFET锛岀啊(ji菐n)鍖栦簡澶栭儴鍏冧欢闇€姹傚苟娓涘皬浜嗚В姹烘柟妗堝昂瀵搞€�
銆€銆€2. 鏀寔瀵寖鍦嶈几鍏ラ浕澹擄紙4.5V鑷�28V锛�锛岄仼鍚堝绋几鍏ラ浕婧愭噳(y墨ng)鐢�锛屽姹借粖闆绘睜鎴栧伐妤�(y猫)闆绘簮銆�
銆€銆€3. 鍙(di脿o)绡€(ji茅)杓稿嚭闆诲鑼冨湇寰�0.9V鍒�13.8V锛屾豢瓒充笉鍚岃矤(f霉)杓夌殑闇€姹�銆�
銆€銆€4. 鎻愪緵楂橀仈(d谩)6A鐨勬寔绾�(x霉)杓稿嚭闆绘祦锛屾敮鎸侀珮鎬ц兘璨�(f霉)杓夈€�
銆€銆€5. 鏀寔鍙法绋嬮枊(k膩i)闂�(gu膩n)闋荤巼锛岀敤鎴跺彲浠ユ牴鎿�(j霉)鍏烽珨鎳�(y墨ng)鐢ㄩ伕鎿囧悎閬╃殑闋荤巼浠ュ劒(y艒u)鍖栨晥鐜囧拰EMI鎬ц兘銆�
銆€銆€6. 闆嗘垚鍏ㄩ潰鐨勪繚璀�(h霉)鍔熻兘锛屽寘鎷亷(gu貌)娴佷繚璀�(h霉)銆佺煭璺繚璀�(h霉)鍜岄亷(gu貌)婧棞(gu膩n)鏂蜂繚璀�(h霉)锛屽寮�(qi谩ng)浜嗙郴绲�(t菕ng)鐨勫彲闈犳€�銆�
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銆€銆€8. 灏佽灏忓阀锛岄噰鐢�3mm x 3mm QFN-16灏佽锛屾湁鍔╀簬绡€(ji茅)鐪丳CB绌洪枔銆�

鎳�(y墨ng)鐢�

TPS51640A 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆€銆€1. 姹借粖闆诲瓙绯荤当(t菕ng)涓殑淇℃伅濞涙▊(l猫)瑷�(sh猫)鍌欏拰灏�(d菐o)鑸郴绲�(t菕ng)渚涢浕銆�
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銆€銆€3. 閫氫俊瑷�(sh猫)鍌�锛屼緥濡傜恫(w菐ng)绲�(lu貌)璺敱鍣�銆佷氦鎻涙(j墨)浠ュ強鍩虹珯鐨勮紨鍔╅浕婧愭ā濉�銆�
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銆€銆€5. 浠讳綍闇€瑕侀珮鏁堢巼銆侀珮闆绘祦鍚屾闄嶅杞�(zhu菐n)鎻涚殑鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鍚�銆�