鏅傞枔锛�2025/5/22 12:07:20
闁辫畝锛�22
RT8575DGQW 鏄竴娆剧敱 Richtek锛堢珛閿滅鎶�锛夋帹鍑虹殑鍚屾鏁存祦闄嶅鍨� DC-DC 杞夋彌鍣�銆傝┎鑺墖鍏锋湁楂樻晥鐜�銆佷綆鍔熻�楀拰绶婃箠瑷▓鐨勭壒榛烇紝閬╃敤浜庝究鏀滃紡瑷倷銆佹秷璨婚闆诲瓙浠ュ強闇�瑕侀珮鏁堥浕婧愮鐞嗙殑鍫存櫙銆傚叾鍏х疆浜嗗姛鐜� MOSFET锛屾敮鎸佸杓稿叆闆诲鑼冨湇锛屽苟鎻愪緵鍙杓稿嚭闆诲鍔熻兘锛屾柟渚跨敤鎴舵牴鎿�(j霉)鍏烽珨闇�姹傞�茶闈堟椿閰嶇疆銆�
銆�銆�RT8575DGQW 閲囩敤鍥哄畾闋荤巼鐨� PWM 鎺у埗妯″紡锛屽湪杓曡級姊濅欢涓嬭兘澶犺嚜鍕曞垏鎻涘埌 PFM 妯″紡浠ュ劒(y艒u)鍖栨晥鐜囥�傛澶栵紝瀹冮倓鍏峰倷澶氱ó淇濊鍔熻兘锛屽閬庢祦淇濊銆佺煭璺繚璀峰拰閬庢韩淇濊锛岀⒑淇濈郴绲�(t菕ng)鍦ㄧ暟甯告儏娉佷笅鐨勫畨鍏ㄩ亱琛�銆�
杓稿叆闆诲鑼冨湇锛�2.7V - 6V
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.8V - VIN
銆�銆�闁嬮棞闋荤巼锛�1.5MHz
銆�銆�杓稿嚭闆绘祦锛氭渶楂樺彲閬� 2A
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�灏佽褰㈠紡锛歐DFN-10 3x3mm
1. 鍏х疆涓婁笅姗� NMOS 鍔熺巼绠�锛屾笡灏戝閮ㄥ厓浠舵暩(sh霉)閲忓苟闄嶄綆鏁撮珨瑙ｆ焙鏂规鐨勬垚鏈��
銆�銆�2. 鏀寔 1.5MHz 楂橀枊闂滈牷鐜�锛屽厑瑷变娇鐢ㄥ皬鍨嬮浕鎰熷拰闆诲锛屾湁鍔╀簬瀵︾従(xi脿n)鏇村皬鐨� PCB 鍗犳澘闈㈢⿳銆�
銆�銆�3. 鎻愪緵蹇�熺灛鎱�(t脿i)闊挎噳鎬ц兘锛岄仼鍚堝皪鍕曟厠(t脿i)璨犺級璁婂寲鏁忔劅鐨勬噳鐢ㄥ牬鍚�銆�
銆�銆�4. 鍏峰倷娆犲閹栧畾锛圲VLO锛夊姛鑳斤紝纰轰繚鑺墖鍍呭湪鍚堥仼鐨勮几鍏ラ浕澹撹寖鍦嶅収宸ヤ綔銆�
銆�銆�5. 鍦ㄥ暉鍕曢殠娈垫彁渚涜粺鍟熷嫊鍔熻兘锛岄伩鍏嶆氮娑岄浕娴佸皪绯荤当(t菕ng)鐨勫奖闊�銆�
銆�銆�6. 鏁村悎璞愬瘜鐨勪繚璀锋鍒�锛屽寘鎷�愬懆鏈熼檺娴佷繚璀�銆佹墦鍡濇ā寮忕煭璺繚璀蜂互鍙婄啽闂滄柗淇濊绛�銆�
銆�銆�7. 绮炬簴鐨勪娇鑳藉紩鑵虫帶鍒�锛屼究浜庤垏绯荤当(t菕ng)涓绘帶閰嶅悎瀵︾従(xi脿n)鐪侀浕妯″紡銆�
銆�銆�8. 杓稿嚭闆诲鍙�氶亷澶栭儴闆婚樆鍒嗗鍣ㄩ�茶瑾跨瘈(ji茅)锛岄潏娲绘�ч珮銆�
RT8575DGQW 寤ｆ硾鎳夌敤浜庡悇绋渶瑕侀珮鏁堢洿娴佽綁鎻涚殑鍫存櫙锛屼緥濡傛櫤鑳芥墜姗熷拰骞虫澘闆昏叇鐨勫収閮ㄩ浕婧愮鐞嗘ā濉�銆佽棈鐗欒�虫鍜屽叾浠栦究鏀滃紡闊抽牷瑷倷鐨勯浕姹犱緵闆婚浕璺�銆佺墿鑱�(li谩n)缍�(w菐ng)绲傜绡�(ji茅)榛炵殑闆绘簮渚涙噳鍠厓锛屼互鍙� USB 鍏呴浕鍣ㄩ仼閰嶅櫒涓殑娆＄礆鍋寸┅(w臎n)澹撻浕璺瓑銆傛澶�锛岃┎鑺墖涔熼潪甯搁仼鍚堢敤浜� GPS 灏庤埅鍎�銆佹暩(sh霉)纰肩浉姗熶互鍙婂叾浠栦綆鍔熻�楁墜鎸佽ō鍌欑殑瑷▓涓�銆�
銆�銆�鐢变簬鍏跺皬宸х殑灏佽灏哄鍜屽叏闈㈢殑鍔熻兘闆嗘垚锛孯T8575DGQW 鎴愮偤宸ョ▼甯�戦枊鐧�(f膩)绶婃箠鍨嬮浕瀛愮敘(ch菐n)鍝佹檪鐨勭悊鎯抽伕鎿囦箣涓�銆�
RT7295CHGQW, RT8572BGQW
