RT7249GQW 鏅傞枔锛�2025/5/9 16:08:38 闁辫畝锛�27

RT7249GQW鏄竴娆剧敱Richtek锛堢珛閿滅鎶€锛夎ō(sh猫)瑷堢殑楂樻晥鍚屾鏁存祦闄嶅杞�(zhu菐n)鎻涘櫒銆傝┎鑺墖閬╃敤浜庨渶瑕侀珮鏁堢巼鍜屽皬灏哄瑙ｆ焙鏂规鐨勬噳(y墨ng)鐢ㄥ牬鍚�锛岃兘澶犳彁渚涢珮閬�3A鐨勮几鍑洪浕娴�銆傚叾鍏�(n猫i)缃殑浣庡皫(d菐o)閫氶浕闃籑OSFET鍙互椤憲闄嶄綆鍔熻€�锛屽苟鏀寔2.3V鑷�5.5V鐨勫杓稿叆闆诲鑼冨湇銆傛澶�锛孯T7249GQW閲囩敤鍥哄畾闋荤巼PWM鎺у埗妯″紡锛屽叿鏈夊揩閫熺灛鎱�(t脿i)闊挎噳(y墨ng)鍜屽嚭鑹茬殑绌�(w臎n)瀹氭€�銆�
銆€銆€瑭茶姱鐗囬倓鍏峰倷澶氱ó淇濊鍔熻兘锛屽寘鎷亷娴佷繚璀�銆佺煭璺繚璀峰拰閬庢韩淇濊锛岀⒑淇濆湪鍚勭ó宸ヤ綔姊濅欢涓嬬殑鍙潬鎬�銆傚叾绶婃箠鐨勫皝瑁濆舰寮忓拰杓冨皯鐨勫閮ㄥ厓浠堕渶姹備娇寰楀畠闈炲父閬╁悎绌洪枔鍙楅檺鐨勮ō(sh猫)瑷堛€�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�2.3V-5.5V
銆€銆€杓稿嚭闆绘祦锛�3A
銆€銆€闁嬮棞(gu膩n)闋荤巼锛�2.1MHz
銆€銆€鍗犵┖姣旇寖鍦嶏細0%鑷�98%
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LCSP-9
銆€銆€鍙冭€冮浕澹撶簿搴︼細卤1%
銆€銆€寰呮闆绘祦锛�1uA

鐗规€�

RT7249GQW鍏锋湁杓冮珮鐨勯泦鎴愬害锛屽収(n猫i)閮ㄩ泦鎴愪簡楂樼鍜屼綆绔姛鐜嘙OSFET浠ユ笡灏戝閮ㄥ厓浠舵暩(sh霉)閲忋€傚畠鐨�2.1MHz楂橀牷鎿嶄綔鍏佽ū浣跨敤杓冨皬鐨勯浕鎰熷拰闆诲锛屽緸鑰岀瘈(ji茅)鐪佷簡PCB鏉跨殑绌洪枔銆傛澶�锛岃┎鑺墖鏀寔鍙法绋嬭粺鍟熷嫊鍔熻兘锛岄槻姝笂闆绘檪鍑虹従(xi脿n)閬庡ぇ鐨勬氮娑岄浕娴�銆�
銆€銆€鍏跺崜瓒婄殑杓曡級鏁堢巼鏄€氶亷鑷嫊鑴堟矕闋荤巼瑾�(di脿o)鍒讹紙PFM锛夋ā寮忓鐝�(xi脿n)鐨�锛屽湪浣庤矤杓夋浠朵笅鍙ぇ骞呴檷浣庨枊闂�(gu膩n)鎼嶈€�銆�
銆€銆€瑭睮C閭勬彁渚涗簡EN寮曡叧鐢ㄤ簬浣胯兘鎴栫鐢ㄨō(sh猫)鍌�锛屾柟渚跨敤鎴舵牴鎿�(j霉)瀵﹂殯闇€姹傞潏娲绘帶鍒堕浕婧愮媭鎱�(t脿i)銆�
銆€銆€RT7249GQW鐗瑰垾閬╁悎渚挎敎寮忛浕瀛愯ō(sh猫)鍌欐噳(y墨ng)鐢紝渚嬪鏅鸿兘鎵嬫銆佸钩鏉块浕鑵︿互鍙婂叾浠栭浕姹犱緵闆荤郴绲�(t菕ng)銆�

鎳�(y墨ng)鐢�

RT7249GQW寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勭ó娑堣不椤為浕瀛愮敘(ch菐n)鍝佷腑锛屽锛�
銆€銆€1. 鏅鸿兘鎵嬫鍜屽钩鏉块浕鑵︿腑鐨勯浕婧愮鐞�
銆€銆€2. 渚挎敎寮忛煶闋绘挱鏀惧櫒
銆€銆€3. 鍙┛鎴磋ō(sh猫)鍌�
銆€銆€4. 鐗╄伅(li谩n)缍�(w菐ng)锛圛oT锛夎ō(sh猫)鍌�
銆€銆€5. USB鍏呴浕绔彛
銆€銆€6. 宸ユキ(y猫)鎺у埗妯″涓殑杓斿姪闆绘簮
銆€銆€閫欎簺鎳�(y墨ng)鐢ㄥ潎鍙楃泭浜庡叾楂樻晥鐜�銆佸皬楂旂⿳浠ュ強鍏ㄩ潰鐨勪繚璀峰姛鑳姐€�