TPS84259 鏅�(sh铆)闁擄細2025/5/9 10:23:33 闁辫畝锛�29

TPS84259 鏄竴娆鹃珮鏁�銆佷綆鍔熻€楃殑鍚屾闄嶅鐩存祦-鐩存祦杞�(zhu菐n)鎻涘櫒锛岄噰鐢ㄥ皬灏哄灏佽瑷�(sh猫)瑷�(j矛)锛岄仼鍚堢┖闁撳彈闄愮殑鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅�銆傝┎鍣ㄤ欢鍏�(n猫i)缃簡鍔熺巼MOSFET锛屽苟鎻愪緵楂橀仈(d谩)3A鐨勬寔绾�(x霉)杓稿嚭闆绘祦銆傚叾杓稿叆闆诲鑼冨湇鐐�2.8V鑷�5.5V锛岄潪甯搁仼鍚堢敱鍠瘈(ji茅)閶伴浕姹犳垨浣庡闆绘簮渚涢浕鐨勪究鏀滃紡瑷�(sh猫)鍌欍€傛澶�锛孴PS84259閭勯泦鎴愪簡澶氱ó淇濊(h霉)鍔熻兘锛屽閬�(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)鏂风瓑锛屼互纰轰繚绯荤当(t菕ng)鍦ㄧ暟甯告儏娉佷笅鐨勫畨鍏ㄩ亱(y霉n)琛�銆�
銆€銆€瑭茶姱鐗囬噰鐢ㄧ崹(d煤)鐗圭殑鍥哄畾闋荤巼闆绘祦妯″紡鎺у埗鏋舵(g貌u)锛屽彲浠ュ(sh铆)鐝�(xi脿n)蹇€熺灛鎱�(t脿i)闊挎噳(y墨ng)锛屽苟绨�(ji菐n)鍖栫挵(hu谩n)璺(b菙)鍎熻ō(sh猫)瑷�(j矛)銆傛澶栵紝TPS84259鏀寔鍙法绋嬭粺鍟熷嫊(d貌ng)鍔熻兘锛屾湁鏁堥檷浣庢氮娑岄浕娴佸皪(du矛)绯荤当(t菕ng)鐨勬矕鎿娿€�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�2.8V 鑷� 5.5V
銆€銆€杓稿嚭闆诲鑼冨湇锛�0.8V 鑷� 3.6V
銆€銆€鏈€澶ц几鍑洪浕娴侊細3A
銆€銆€闁�(k膩i)闂�(gu膩n)闋荤巼锛�2.1MHz
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆€銆€灏佽褰㈠紡锛歐SON-10 (1.5mm 脳 2mm)
銆€銆€鏁堢巼锛氶珮閬�(d谩)95%
銆€銆€寰呮(j墨)闆绘祦锛�1渭A锛堝吀鍨嬪€硷級

鐗规€�

TPS84259鍏峰倷浠ヤ笅涓昏鐗规€э細
銆€銆€- 鍏�(n猫i)缃姛鐜嘙OSFET锛岀劇(w煤)闇€澶栫疆椹�(q奴)鍕�(d貌ng)鍏冧欢锛岀瘈(ji茅)鐪丳CB闈㈢⿳銆�
銆€銆€- 楂樻晥鐨勫悓姝ユ暣娴佹妧琛�(sh霉)锛岃兘澶犻’钁楁彁楂樿紩杓夊拰閲嶈級姊濅欢涓嬬殑杞�(zhu菐n)鎻涙晥鐜囥€�
銆€銆€- 鏀寔瀵几鍏ラ浕澹撹寖鍦�锛岄仼鐢ㄤ簬鍚勭ó闆绘睜渚涢浕鎳�(y墨ng)鐢�銆�
銆€銆€- 闆嗘垚鐨勪繚璀�(h霉)鍔熻兘澧炲挤(qi谩ng)浜嗙郴绲�(t菕ng)鐨勫彲闈犳€у拰瀹夊叏鎬�銆�
銆€銆€- 鎻愪緵鍙(di脿o)杌熷暉鍕�(d貌ng)鏅�(sh铆)闁�锛屾笡灏戝暉鍕�(d貌ng)鏈熼枔鐨勮几鍏ラ浕娴佸皷宄�銆�
銆€銆€- 鍥哄畾闋荤巼PWM鎺у埗鏂瑰紡淇濊瓑浜嗙┅(w臎n)瀹氱殑杓稿嚭鎬ц兘銆�
銆€銆€- 灏忓瀷灏佽浣垮叾鎴愮偤绶婃箠鍨嬭ō(sh猫)瑷�(j矛)鐨勭悊鎯抽伕鎿�銆�

鎳�(y墨ng)鐢�

TPS84259寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闇€瑕侀珮鏁堢巼鍜屽皬楂旂⿳瑙ｆ焙鏂规鐨勫悇绋牬(ch菐ng)鍚堬紝鍖呮嫭锛�
銆€銆€- 渚挎敎寮忛浕瀛愯ō(sh猫)鍌�锛屼緥濡傛櫤鑳芥墜姗�(j墨)銆佸钩鏉块浕鑵﹀拰绛嗚鏈浕鑵�銆�
銆€銆€- 鍙┛鎴磋ō(sh猫)鍌欙紝濡傛櫤鑳芥墜琛ㄥ拰鍋ヨ韩杩借工鍣�銆�
銆€銆€- 鐒�(w煤)绶氶€氫俊妯″鍙婄墿鑱�(li谩n)缍�(w菐ng)锛圛oT锛夌祩绔ō(sh猫)鍌�銆�
銆€銆€- 宸ユキ(y猫)鍎€鍣ㄥ剙琛ㄥ拰閱�(y墨)鐧傝ō(sh猫)鍌欎腑鐨勪綆鍔熻€楅浕璺€�
銆€銆€- 浠讳綍闇€瑕佸緸閶伴浕姹犳垨鍏朵粬浣庡婧愮嵅鍙栫┅(w臎n)瀹氶浕婧愮殑绯荤当(t菕ng)銆�