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寰峰窞鍎€鍣�楂橀泦鎴愬害闆绘簮妯″TPS54620
鍗虫棩璧�锛屾繁鍦抽鐫挎€濈鎶€鏈夐檺鍏徃鍏ㄩ潰鐝�(xi脿n)璨ㄤ緵鎳�(y墨ng)TPS54620,鍗冲痉宸炲剙鍣� (TI) 鎺ㄥ嚭鍏锋湁闆嗘垚 FET 鐨勬キ(y猫)鐣屾渶灏忓瀷鍠姱鐗� 6 A銆�17 V 闄嶅DC/DC杞�(zhu菐n)鎻涘櫒锛屽緸鑰岄€蹭竴姝ュ／澶т簡鍏舵槗鐢ㄥ瀷 SWIFT闆绘簮绠＄悊闆嗘垚闆昏矾 (IC) 鐢�(ch菐n)鍝佺郴鍒椼€傝垏鐩墠澶氳姱鐗囪綁(zhu菐n)鎻涘櫒鐩告瘮锛岃┎楂樻€ц兘 TPS54620 鐨勯潰绌嶉姵娓� 60%锛屼綔鐐轰竴娆惧畬鏁寸殑 6 A 闆绘簮瑙ｆ焙鏂规锛屽叾闈㈢⿳閭勪笉瓒� 195 骞虫柟姣背銆�1.6 MHz 鍠墖 DC/DC 杞�(zhu菐n)鎻涘櫒鏀寔 4.5 V ~ 17 V 杓稿叆闆诲锛屽緸鑰屽彲绠＄悊鐒＄窔鍩虹珯鎴栭珮瀵嗗害鏈嶅嫏(w霉)鍣ㄧ瓑绌洪枔鏈夐檺鐨� 5 V 鑸� 12 V 璨�(f霉)杓夐粸瑷�(sh猫)瑷堝伐钘�銆�
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TPS54620鍏锋湁 3.5mm QFN灏佽鐔卞寮风殑X鏄竴鍊嬪姛鑳介綂鍏ㄧ殑3.5mm 17V锛�6A鍚屾闄嶅閫欐槸涓€鍊嬩笅璁婇牷鍣ㄥ劒(y艒u)鍖栬ō(sh猫)瑷堢殑楂樻晥鐜囧拰灏忛€氶泦鎴愰珮閭婅垏浣庡伌(c猫)MOSFET鐨�銆傚劜钃勬槸閫氶亷閫蹭竴姝ョ殑绌洪枔瀵︾従(xi脿n)鐨勯浕娴佹ā寮忔帶鍒讹紝閫欏皪绲勪欢鐨勬暩(sh霉)閲�锛屽拰閫氶亷閬告搰闁嬮棞(gu膩n)闋荤巼楂橈紝闆绘劅鐨勫ぇ灏忕殑娓涘皯銆�
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鐗规€ц垏鍎�(y艒u)鍕�
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2. 1.6 MHz 鍚屾杞�(zhu菐n)鎻涘櫒涓嶅儏闆嗘垚鍏╁€嬮珮鏁� MOSFET(26 姣瓙濮� 鑸� 19 姣瓙濮�)锛岃€屼笖閭勯噰鐢ㄥ彲鏈€澶ч檺搴﹀湴绺笡鍗犱綅闈㈢⿳鐨勫皬鍨嬫暎鐔卞寮峰瀷 3.5 姣背脳3.5 姣背鍠墖寮� QFN 灏佽銆�
3. 涓绘檪閻樺悓姝ヤ氦鎻涢牷鐜囧彲娑堥櫎鏁忔劅鍨嬫暩(sh霉)鎿�(j霉)閲囬泦闆昏矾涓殑鎷嶉牷鍣伈銆�
4. 鐗规€ц睈瀵岀殑 IC 鍖呮嫭鍔熺巼鑹ソ (PG)銆佸暉鐢ㄤ互鍙婅窡韫ゅ紩鑵�锛屽彲婊胯冻鎺掑簭闇€姹�銆�
5. 閲囩敤 3.5 姣背脳3.5 姣背 QFN 灏佽
TI 鍙彁渚涘寘鎷� SWIFT 鑸囧垎绔嬪紡 DC/DC 杞�(zhu菐n)鎻涘櫒鍦ㄥ収(n猫i)鐨勬キ(y猫)鐣屾渶璞愬瘜鐨勯檷澹撹綁(zhu菐n)鎻涘櫒銆傞櫎 TPS54620 涔嬪锛孴I 杩戞湡閭勬帹鍑轰簡鍏锋湁闆嗘垚 FET鐨勬柊鍨� TPS54418 4A 杞�(zhu菐n)鎻涢枊闂�(gu膩n)锛屽叾鍙敮鎸� 2.95 V ~ 6 V 鑼冨湇鍏�(n猫i)鐨勮几鍏ラ浕澹�銆傝┎鍣ㄤ欢閲囩敤灏忓瀷 3 姣背脳 姣背 QFN 灏佽锛岄枊闂�(gu膩n)闋荤巼楂橀仈 2 MHz锛屼笉鍍呮敮鎸佸悓姝ュ姛鑳�锛岃€屼笖闆绘簮鏁堢巼瓒呴亷 95%銆�
TPS54620鐨勫吀鍨嬫噳(y墨ng)鐢�
--楂橀泦鎴愬害銆佸瘑闆嗗瀷鐨勯浕婧愪緵鎳�(y墨ng)绯荤当(t菕ng)
--楂樻€ц兘鐨勮(gu墨)鍓囪矤(f霉)杓夐粸
--寤ｆ挱銆佺恫(w菐ng)绲�(lu貌)鎴栧厜閫氫俊绯荤当(t菕ng)
