TPS65020 鏅傞枔锛�2025/5/6 13:53:59 闁辫畝锛�28

TPS65020 鏄竴娆鹃珮搴﹂泦鎴愮殑闆绘簮绠＄悊闆嗘垚闆昏矾 (PMIC)锛屽皥鐐烘豢瓒充綆鍔熻€椼€侀珮鏁堢巼鎳�(y墨ng)鐢ㄧ殑闇€姹傝€岃ō(sh猫)瑷�銆傝┎鑺墖闆嗘垚浜嗗璺檷澹撹綁(zhu菐n)鎻涘櫒 (buck converters) 鍜� LDO 绌�(w臎n)澹撳櫒锛岃兘澶犵偤渚挎敎寮忚ō(sh猫)鍌欏拰闆绘睜渚涢浕绯荤当(t菕ng)鎻愪緵鍏ㄩ潰鐨勯浕婧愯В姹烘柟妗�銆俆PS65020 鏀寔鍕曟厠(t脿i)闆诲瑾�(di脿o)绡€(ji茅)鍔熻兘锛岄仼鐢ㄤ簬闇€瑕侀珮鏁堥浕婧愮鐞嗙殑娑堣不椤為浕瀛愯ō(sh猫)鍌�銆�
銆€銆€TPS65020 鐨勪富瑕佺壒榛炴槸鍏堕潏娲绘€у拰楂橀泦鎴愬害锛屽彲浠ラ’钁楁笡灏戝閮ㄥ厓浠剁殑鏁�(sh霉)閲�锛屽緸鑰岀瘈(ji茅)鐪侀浕璺澘绌洪枔骞剁啊鍖栬ō(sh猫)瑷堟祦绋�銆傛澶栵紝瀹冮倓鏀寔澶氱ó淇濊鍔熻兘锛屽閬庢祦淇濊銆佺煭璺繚璀蜂互鍙婇亷婧棞(gu膩n)鏂风瓑锛屼互纰轰繚绯荤当(t菕ng)鐨勭┅(w臎n)瀹氭€у拰鍙潬鎬�銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�2.7V 鑷� 5.5V
銆€銆€杓稿嚭闆诲1 (Buck1)锛�0.8V 鑷� 3.3V
銆€銆€杓稿嚭闆诲2 (Buck2)锛�0.8V 鑷� 3.3V
銆€銆€杓稿嚭闆绘祦1 (LDO1)锛�200mA
銆€銆€杓稿嚭闆绘祦2 (LDO2)锛�200mA
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆€銆€灏佽褰㈠紡锛歈FN-28 (4mm x 4mm)
銆€銆€闈滄厠(t脿i)闆绘祦锛�15渭A
銆€銆€闁嬮棞(gu膩n)闋荤巼锛�2.2MHz

鐗规€�

TPS65020 鎻愪緵浜嗗挤澶х殑闆绘簮绠＄悊鍔熻兘锛屽寘鎷叐璺珮鏁堢殑鍚屾闄嶅杞�(zhu菐n)鎻涘櫒鍜屽叐璺綆鍣伈 LDO 绌�(w臎n)澹撳櫒锛岃兘澶犳豢瓒充笉鍚岃矤(f霉)杓夐渶姹傜殑鎳�(y墨ng)鐢ㄥ牬鏅�銆�
銆€銆€1. 楂樻晥闄嶅杞�(zhu菐n)鎻涘櫒锛�
銆€銆€TPS65020 鍏�(n猫i)閮ㄩ泦鎴愪簡鍏╁€嬬崹绔嬬殑闄嶅杞�(zhu菐n)鎻涘櫒锛屽垎鍒ユ(bi膩o)瑷樼偤 Buck1 鍜� Buck2銆傛瘡鍊嬮檷澹撹綁(zhu菐n)鎻涘櫒鏀寔楂橀仈(d谩) 600mA 鐨勬寔绾�(x霉)杓稿嚭闆绘祦锛屽苟涓斿叿鏈夊彲绶ㄧ▼鐨勮几鍑洪浕澹撹ō(sh猫)缃姛鑳�銆傞€欑ó鏋舵(g貌u)浣垮緱 TPS65020 鍙互鐐鸿檿鐞嗗櫒鍏�(n猫i)鏍稿拰鍏朵粬鏁�(sh霉)瀛楅浕璺彁渚涚┅(w臎n)瀹氱殑闆绘簮渚涙噳(y墨ng)銆�
銆€銆€2. 浣庡櫔鑱� LDO 绌�(w臎n)澹撳櫒锛�
銆€銆€闄や簡闄嶅杞�(zhu菐n)鎻涘櫒澶�锛孴PS65020 閭勫寘鍚叐鍊嬩綆鍣伈绶氭€х┅(w臎n)澹撳櫒 (LDO1 鍜� LDO2)锛岀敤浜庣偤妯℃摤闆昏矾鎴栧皠闋绘ā濉婁緵闆汇€傞€欎簺 LDO 绌�(w臎n)澹撳櫒鍏锋湁蹇€熺灛鎱�(t脿i)闊挎噳(y墨ng)鍜屼綆杓稿嚭鍣伈鐨勭壒榛烇紝闈炲父閬╁悎灏嶉浕婧愯唱(zh矛)閲忚姹傝純楂樼殑鎳�(y墨ng)鐢�銆�
銆€銆€3. 灏忓瀷鍖栬ō(sh猫)瑷堬細
銆€銆€TPS65020 閲囩敤绶婃箠鐨� QFN-28 灏佽锛屽昂瀵稿儏鐐� 4mm x 4mm锛屽悓鏅傜敱浜庡叾楂橀泦鎴愬害锛屾笡灏戜簡灏嶅閮ㄥ厓浠剁殑闇€姹�锛岄€蹭竴姝ラ檷浣庝簡鏁撮珨瑙ｆ焙鏂规鐨勫昂瀵�銆�
銆€銆€4. 澶氱ó淇濊姗熷埗锛�
銆€銆€鐐轰簡纰轰繚绯荤当(t菕ng)鐨勫畨鍏ㄩ亱琛岋紝TPS65020 閰嶅倷浜嗗畬鍠勭殑淇濊鍔熻兘锛屽寘鎷亷娴佷繚璀�銆佺煭璺繚璀蜂互鍙婇亷婧棞(gu膩n)鏂风瓑銆傞€欎簺淇濊鎺柦鏈夊姪浜庡欢闀峰櫒浠剁殑浣跨敤澹藉懡锛屽苟闃叉鍥犵暟甯告儏娉佸皫(d菐o)鑷寸殑鎼嶅銆�
銆€銆€5. 鍕曟厠(t脿i)闆诲瑾�(di脿o)绡€(ji茅)锛�
銆€銆€TPS65020 鏀寔鍕曟厠(t脿i)闆诲瑾�(di脿o)绡€(ji茅)鍔熻兘锛屽厑瑷辨牴鎿�(j霉)绯荤当(t菕ng)璨�(f霉)杓夌殑璁婂寲瀵︽檪瑾�(di脿o)鏁磋几鍑洪浕澹�锛屽緸鑰屽鐝�(xi脿n)鏇撮珮鐨勮兘鏁堟瘮銆�

鎳�(y墨ng)鐢�

TPS65020 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勭ó渚挎敎寮忛浕瀛愯ō(sh猫)鍌欎腑锛岀壒鍒ユ槸閭ｄ簺闇€瑕侀珮鏁堥浕婧愮鐞嗗拰绶婃箠瑷�(sh猫)瑷堟柟妗堢殑鐢�(ch菐n)鍝�銆�
銆€銆€1. 鏅鸿兘鎵嬫鍜屽钩鏉块浕鑵︼細
銆€銆€TPS65020 鐨勯珮鏁堥檷澹撹綁(zhu菐n)鎻涘櫒鍜屼綆鍣伈 LDO 绌�(w臎n)澹撳櫒浣垮叾鎴愮偤鏅鸿兘鎵嬫鍜屽钩鏉块浕鑵︾殑鐞嗘兂闆绘簮绠＄悊瑙ｆ焙鏂规銆傚畠鍙互鐐鸿檿鐞嗗櫒銆佸瓨鍎插櫒鍜屽叾浠栭棞(gu膩n)閸电祫浠舵彁渚涚┅(w臎n)瀹氫笖楂樻晥鐨勯浕婧愪緵鎳�(y墨ng)銆�
銆€銆€2. 鍙┛鎴磋ō(sh猫)鍌欙細
銆€銆€鐢变簬 TPS65020 鐨勪綆鍔熻€楃壒鎬у拰灏忓瀷鍖栬ō(sh猫)瑷堬紝瀹冮潪甯搁仼鍚堟噳(y墨ng)鐢ㄤ簬鏅鸿兘鎵嬭〃銆佸仴韬拷韫ゅ櫒绛夊彲绌挎埓瑷�(sh猫)鍌欎腑銆傞€欎簺瑷�(sh猫)鍌欓€氬父渚濊炒鏈夐檺瀹归噺鐨勯浕姹犱緵闆�锛屽洜姝ら珮鏁堢殑闆绘簮绠＄悊鑷抽棞(gu膩n)閲嶈銆�
銆€銆€3. 鏁�(sh霉)纰肩浉姗熷拰鏀濆儚姗燂細
銆€銆€鍦ㄦ暩(sh霉)纰肩浉姗熷拰鏀濆儚姗熶腑锛孴PS65020 鑳藉鐐哄湒鍍忓偝鎰熷櫒銆佸湒鍍忚檿鐞嗗櫒浠ュ強鍏朵粬鐩搁棞(gu膩n)闆昏矾鎻愪緵楂樿唱(zh矛)閲忕殑闆绘簮渚涙噳(y墨ng)锛屽悓鏅傛渶澶ч檺搴﹀湴闄嶄綆鍔熻€�銆�
銆€銆€4. 宸ユキ(y猫)鎺у埗瑷�(sh猫)鍌欙細
銆€銆€TPS65020 閭勫彲鐢ㄤ簬宸ユキ(y猫)鎺у埗瑷�(sh猫)鍌欎腑锛屼緥濡傛暩(sh霉)鎿�(j霉)閲囬泦妯″鍜屽偝鎰熷櫒鎺ュ彛绛�銆傚畠鐨勯珮鍙潬鎬у拰澶氱ó淇濊鍔熻兘浣垮緱鍏惰兘澶犲湪鑻涘埢鐨勫伐妤�(y猫)鐠�(hu谩n)澧冧腑姝ｅ父宸ヤ綔銆�