鏅傞枔锛�2025/5/28 8:56:32
闁辫畝锛�17
TPS62172 鏄竴娆鹃珮鏁�銆佷綆鍔熻�楃殑鍚屾闄嶅鐩存祦-鐩存祦杞夋彌鍣�锛屼締鑷痉宸炲剙鍣� (TI)銆傝┎鍣ㄤ欢閬╃敤浜庨渶瑕侀珮绮惧害杓稿嚭闆诲鍜屽揩閫熺灛鎱�(t脿i)闊挎噳鐨勬噳鐢ㄥ牬鏅�銆傚叾瑷▓鍎�(y艒u)鍖栦簡绌洪枔鍙楅檺鐠�(hu谩n)澧冧腑鐨勪娇鐢紝骞跺叿鏈夎壇濂界殑鐔辨�ц兘銆俆PS62172 鏀寔 2.2V 鑷� 5.5V 鐨勫杓稿叆闆诲鑼冨湇锛屽彲鎻愪緵楂橀仈 3A 鐨勯�ｇ簩(x霉)杓稿嚭闆绘祦銆�
銆�銆�TPS62172 鎻愪緵澶氱ó灏佽閬搁爡锛屽叾涓寘鎷� QDSG 灏佽锛岄�欑ó灏佽褰㈠紡閫蹭竴姝ュ寮蜂簡鏁ｇ啽鑳藉姏骞舵笡灏戜簡瀵勭敓鏁堟噳鐨勫奖闊�銆傛澶�锛孴PS62172 閭勯泦鎴愪簡闆绘簮姝ｅ父鎸囩ず鍔熻兘浠ュ強绮炬簴鐨勪娇鑳芥帶鍒�锛屼究浜庣郴绲�(t菕ng)瑷▓闆嗘垚銆�
杓稿叆闆诲鑼冨湇锛�2.2V - 5.5V
銆�銆�杓稿嚭闆绘祦锛氶珮閬� 3A
銆�銆�闁嬮棞闋荤巼锛氬彲瑾�锛屾渶楂樻敮鎸� 2.2MHz
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽褰㈠紡锛歈DSG锛堝叿楂旂偤 TPS62172QDSGRQ1锛�
銆�銆�鏁堢巼锛氬湪鍏稿瀷璨犺級姊濅欢涓嬪彲閬� 90%浠ヤ笂
銆�銆�寰呮闆绘祦锛氫綆鑷� 70nA
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.8V 鑷� VIN
銆�銆�鍟熷嫊鏅傞枔锛氬吀鍨嬪�煎皬浜� 1ms
TPS62172 鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 瀵几鍏ラ浕澹撹寖鍦嶏紙2.2V 鑷� 5.5V锛�锛岄仼鎳夊绋浕婧愯几鍏ラ渶姹�銆�
銆�銆�2. 楂樻晥闄嶅杞夋彌锛岄仼鍚堥浕姹犱緵闆昏ō鍌欐垨灏嶈兘鏁堣姹傝純楂樼殑鎳夌敤銆�
銆�銆�3. 鍏х疆涓婁笅绠� MOSFET锛岀劇闇�澶栫疆鍔熺巼鍏冧欢锛屽緸鑰岀啊鍖栦簡瑷▓骞舵笡灏戜簡鏁撮珨鏂规灏哄銆�
銆�銆�4. 鏀寔鍙法绋嬮枊闂滈牷鐜囷紝鍏佽ū宸ョ▼甯牴鎿�(j霉)鍏烽珨鎳夌敤鍫存櫙鍎�(y艒u)鍖栨晥鐜囪垏婵炬尝闇�姹�銆�
銆�銆�5. 蹇�熺灛鎱�(t脿i)闊挎噳鍜岀簿婧栫殑杓稿嚭闆诲瑾跨瘈(ji茅)锛岀⒑淇濈┅(w臎n)瀹氱殑绯荤当(t菕ng)閬嬭銆�
銆�銆�6. 鎻愪緵绮炬簴鐨勪娇鑳芥帶鍒跺拰闆绘簮姝ｅ父淇¤櫉锛屾柟渚胯垏鍏朵粬闆昏矾鍗�(xi茅)鍚屽伐浣�銆�
銆�銆�7. 鍦ㄨ紩杓夋浠朵笅鐨勮剤娌栬烦韬嶆ā寮忥紙PFM锛夊彲浠ラ’钁楁彁鍗囪紩杓夋晥鐜�銆�
銆�銆�8. 鍏峰倷鐭矾淇濊銆侀亷婧繚璀风瓑澶氶噸瀹夊叏姗熷埗锛屾彁楂樹簡绯荤当(t菕ng)鐨勫彲闈犳��銆�
TPS62172 寤ｆ硾鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 鍙┛鎴磋ō鍌欍�佷究鏀滃紡闆诲瓙瑷倷鐨勯浕婧愮鐞�銆�
銆�銆�2. 宸ユキ(y猫)鑷嫊鍖栫郴绲�(t菕ng)涓殑妯″渚涢浕銆�
銆�銆�3. 閫氫俊瑷倷涓殑瀛愮郴绲�(t菕ng)闆绘簮渚涙噳銆�
銆�銆�4. 姹借粖闆诲瓙涓殑杓斿姪闆绘簮瑷▓銆�
銆�銆�5. 鐗╄伅(li谩n)缍茬祩绔ō鍌欏強鍌虫劅鍣ㄧ瘈(ji茅)榛炵殑渚涢浕瑙ｆ焙鏂规銆�
銆�銆�6. 浠讳綍闇�瑕佸皬灏哄銆侀珮鏁堢巼 DC-DC 杞夋彌鍣ㄧ殑瑷▓鍫村悎銆�
TPS62170, TPS62171, TPS62173
