CP1205 CP1205 ᮴ࠋⳈ⌕⬉ᴎࠊ఼ CP1205ᰃ催ᗻ㛑Ѡҷऩ⠛᮴ࠋⳈ⌕偀䖒ࠊ⬉䏃DŽᅗࣙ ᅲ⦄ᓔ⦃ǃϝⳌಯⳌ偀䖒ࠊ᠔䳔ⱘܼ䚼ࡳ㛑DŽℸ⬉䏃ࣙ ᣀ䕀ᄤԡᄤẔ⌟఼ˈ⏽ᑺ㸹ٓˈޚ䬃啓⊶ᤃ㤵఼ˈϝϾ䲚⬉ ᵕᓔ䏃ⱘ乊䚼偅ࡼ఼ˈϝϾ催⬉⌕ⱘ㝒᷅ᑩ䚼偅ࡼ఼ˈ䗖 ⫼Ѣ偅ࡼࡳ⥛MOSFETㅵDŽ ℸࠊ఼䖬ࣙϔѯֱ᳝ᡸ⬉䏃ˈབ⬉य़䫕ᅮˈৃ䗝ᯊ 䯈ᓊ䖳䫕ᄬ݇ᮁᓣⱘ䗤਼䰤⌕⡍⚍ˈݙ䚼䖛⛁ֱᡸ⬉䏃ϔ DIP-24 Ͼ⣀⡍ⱘᬙ䱰䕧ߎˈᯧѢᖂࠊ㋏㒳䖲DŽ ൟⱘ偀䖒ࠊࡳ㛑ࣙᣀᓔ⦃䗳⥛ˈℷ/ডᮍˈ䖤㸠 Փ㛑ࡼᗕࠊࡼDŽCP1205 ᰃϧ䮼Ў⬉⇨ⳌԡЎ 60q/300q 120q/240qⱘ偀䖒⬉䏃䆒䅵ⱘˈᑊ㛑᳝ᬜⱘࠊ᮴ࠋⳈ⌕偀䖒DŽ SOP-24 x10 ~ 25 V Ꮉ⬉य़ x䗤਼䰤⌕ࠊ x⬉य़䫕ᅮ xㅵ㛮䕧ߎⱘ⬉⌕ᛳᑨޚ x6.25 V ޚӴᛳ఼Ꮉ⬉⑤ xݙ䚼䖛⛁ֱᡸ⬉䏃 x䯁⦃Ԏ᳡ᑨ⫼Ёⱘ䇃Ꮒᬒ఼ x 60q/300q120q/240qӴᛳ఼Ⳍԡৃ䗝 x催⬉⌕偅ࡼˈৃࠊ䚼ϝⳌMOSFET⬉ḹ x䗮䖛䚼 MOSFET ⬉ḹৃ᳝ᬜࠊ ѻકᔦ㉏ ѻકൟো Ꮉ⏽ᑺ ᇕ㺙 CP1205S SOP–24 TA =-40qto +85qC CP1205D DIP-24 ㅵ㛮䖲 乊䚼偅ࡼ䕧ߎ BT 1 24 CT AT 2 23 Brake ࠡ䖯/ৢ䗔 3 22 60e /120e䗝ᢽ SA 4 21 AB SB 5 20 BB SC 6 19 CB 䕧ߎՓ㛑ッ 7 18 VC ޚ䕧ߎ 8 17 VCC ⬉⌕ᛳᑨℷⳌ䕧ܹ 9 16 Gnd ᤃ㤵఼ 10 15 ⬉⌕ᛳᑨডⳌ䕧ܹ 䇃Ꮒᬒ఼ℷⳌ䕧ܹ 11 14 Fault䕧ߎ 䇃Ꮒᬒ఼ডⳌ䕧ܹ 12 13 Ӵᛳ఼ 䕧ܹ 1 ᑩ䚼偅ࡼ䕧ߎ 䇃Ꮒᬒ఼䕧ߎ /PWN䕧ܹ CP1205 ൟॳ⧚ V M + N Fault 4 S 14 + S N 5 + 2 6 䕀ᄤԡ㕂㾷ⷕ఼ + ࠡ䖯/צ䗔 1 3 + 22 60e/120e ৃ䗝 24 + 偀䖒 25uA 7 Enable 1 7 䕧ߎ㓧఼ކ य़ + VM 䫕ᅮ 18 + + ޚ〇य़ ఼ + 21 䗳⥛ ࠊ + 8 + 䇃Ꮒֵোᬒ ఼ 11 - + ࡴ䗳 12 - 䖛⛁ֱᡸ ⬉䏃 RT + 13 20 PWM R Q Q - 19 S 10 ᤃ㤵఼ CT + S Q 40K 9 R + R 16 C 100mV 15 ⬉⌕ᛳᑨޚ 23 ࠊࡼ䕧ܹ ℸ఼ӊࣙњ305Ͼ᳝ᬜⱘԧㅵDŽ ᵕ䰤খ᭄ খ᭄ ヺো 㣗ೈ ऩԡ ⬉⑤⬉य़ VCC 25 V ᭄ᄫ䕧ܹ(ㅵ㛮3, 4, 5, 6, 22, 23) – Vref V ᤃ㤵఼䕧ܹ⬉⌕˄⑤⬉⌕䱋⬉⌕˅ IOSC 30 mA 䇃Ꮒᬒ఼䕧ܹ⬉य़㣗ೈ (ㅵ㛮 11, 12ˈ⊼1) VIR –0.3 ~ Vref V 䇃Ꮒᬒ఼䕧ߎ⬉⌕˄⑤⬉⌕䱋⬉⌕ˈ⊼2˅ IOut 10 mA ⬉⌕Ẕ⌟䕧ܹ⬉य़˄ㅵ㛮9ˈ15˅ VSense –0.3~5.0 V ᬙ䱰䕧ߎ⬉य़ VCE(Fault) 20 V ᬙ䱰䕧ߎ䱋⬉⌕ ISink(Fault) 20 mA 乊䚼偅ࡼ⬉य़ (ㅵ㛮1, 2, 24) VCE(top) 25 V 乊䚼偅ࡼ䱋⬉⌕(ㅵ㛮1, 2, 24) ISink(top) 50 mA ᑩ䚼偅ࡼᎹ⬉य़ (ㅵ㛮 18) VC 25 V ˄㾕ϟ义˅ 2 CP1205 ˄Ϟ义˅ খ᭄ ヺো 㣗ೈ ऩԡ ᑩ䚼偅ࡼ䕧ߎ⬉⌕˄⑤⬉⌕䱋⬉⌕ˈㅵ㛮19, 20, IDRV 100 mA 867 mW 75 qC/W 21˅ ࡳ⥛⍜㗫⛁⡍ᗻ DIP-24 ᳔ࡳ㗫 @ TA = 85qC PD 䖛⛁⬉䰏ˈ㒧ᇍぎ RTJA SOP-24 ᳔ࡳ㗫 @ TA = 85qC PD 650 mW ⛁ᬣ⬉䰏ˈ㒧ᇍぎ⬉䰏 RTJA 100 qC/W Ꮉ㒧⏽ TJ 150 qC ⦃๗⏽ᑺ TA –40 ~ +85 qC 䌂ᄬ⏽ᑺ Tstg –65~+150 qC ⬉⇨⡍ᗻ (䰸䴲⡍߿ࠊᅮˈ৺߭VCC = VC = 20 V, RT = 4.7 k, CT = 10 nF, TA = 25qC) খ᭄ ヺো ᳔ᇣؐ ൟؐ ᳔ؐ ऩԡ TA = 25eC 5.9 6.24 6.5 V TA = –40e~ +85eC 5.82 – 6.57 ޚ䚼ߚ ޚ䕧ߎ⬉य़ (Iref = 1.0 mA) Vref 㒓䏃䇗ᭈ (VCC = 10~25 V, Iref = 1.0 mA) Regline -- 1.5 30 mV 䋳䕑䇗ᭈ (Iref = 1.0~20 mA) Regload -- 16 30 mV 䕧ߎⷁ䏃⬉⌕(⊼ 3) ISC 40 75 – mA ⬉ޚय़䫕ᅮ䯜ؐ Vth 4.0 4.5 5.0 V 䕧ܹ⬉⿏أय़ (TA = –40q~ +85qC) VIO -- 0.4 10 mV 䕧ܹ( ⌕⬉⿏أTA = –40qa+85qC) IIO -- 8.0 500 nA 䕧ܹأ㕂⬉⌕ (TA = –40q~ +85qC) IIB -- -46 -1000 nA 䕧ܹ݅⬉य़ VICR (0 V ~ Vref) ᓔ⦃⬉य़Ⲟ (VO = 3.0 V, RL = 15 k) AVOL 70 80 -- dB 䕧ܹ݅ᡥࠊ↨ CMRR 55 86 -- dB ⬉⑤ᡥࠊ↨ (VCC = VC = 10 to 25 V) PSRR 65 105 -- dB 䕧ߎ⬉य़ᨚ⍂ VOH 4.6 5.3 – V 催⬉ᑇ⢊ᗕ (RL = 15 k to Gnd) VOL – 0.5 1.0 ᤃ㤵乥⥛ fOSC 22 25 28 kHz 乥⥛䱣⬉य़ᬍব (VCC = 10~25 V) 'fOSC/'V – 0.01 5.0 % 䬃啓⊶ዄؐ⬉य़ VOSC(P) – 4.1 4.5 V 䬃啓⊶䈋ؐ⬉य़ VOSC(V) 1.2 1.5 – V 䇃Ꮒᬒ఼ V Ԣ⬉ᑇ⢊ᗕ (RL = 15 k to Vref) ᤃ㤵ऩܗ ˄㾕ϟ义˅ 3 CP1205 ˄Ϟ义˅ খ᭄ ヺো ᳔ᇣؐ ൟؐ ᳔ؐ ऩԡ 催⬉ᑇ⢊ᗕ VIH 3.0 2.2 -- V Ԣ⬉ᑇ⢊ᗕ VIL -- 1.7 0.8 䘏䕥䕧ܹ 䕧ܹ䯜ؐ⬉य़ (ㅵ㛮3, 4, 5, 6, 7, 22, 23) Ӵᛳ఼䕧ܹ(ㅵ㛮4, 5, 6) PA 催⬉ᑇ䕧ܹ⬉⌕(VIH = 5.0 V) IIH -150 -70 -20 Ԣ⬉ᑇ䕧ܹ⬉⌕(VIL = 0 V) IIL -600 -337 -150 ℷ/ডˈ60q/120qৃ䗝(ㅵ㛮3, 22, 23) IIH -75 -36 -10 催⬉ᑇ䕧ܹ⬉⌕(VIH = 5.0 V) IIL -300 -175 -75 催⬉ᑇ⢊ᗕ䕧ܹ⬉⌕(VIH = 5.0 V) IIH -60 -29 -10 Ԣ⬉ᑇ⢊ᗕ䕧ܹ⬉⌕VIL =0V IIL -60 -29 -10 䯜ؐ⬉य़ Vth 85 101 115 mV 䕧ܹ݅⬉य़ VICR -- 3.0 -- V 䕧ܹأ㕂⬉⌕ IIB -- -0.9 -5.0 PA 乊䚼偅ࡼ䕧ߎ佅䱋⬉य़(Isink = 25 mA) -- 0.5 1.5 V 乊䚼偅ࡼ䕧ߎ݇䯁⢊ᗕⓣ⬉⌕(VCE = 25 V) -- 0.06 100 PA PA Ԣ⬉ᑇ䕧ܹ⬉⌕(VIL = 0 V) 䕧ߎՓ㛑 PA 䰤⌕↨䕗Ҿ 䕧ߎ⬉⑤ऩܗ 乊䚼偅ࡼ䕧ߎ䕀ᤶᯊ䯈(CL = 47pF, RL = 1.0 k) ns Ϟछᯊ䯈 tr – 107 300 ϟ䰡ᯊ䯈 tf – 26 300 ᑩ䚼偅ࡼ䕧ߎ⬉य़ -- 催⬉ᑇ⢊ᗕ (VCC = 20 V, VC = 25 V, Isource VOH VCC-2.0 VCC- 1.1 V 2.0 <= 50 mA) Ԣ⬉ᑇ⢊ᗕ (VCC =20V, VC = 25V, Isink< = VOL -- 1.5 ᬙ䱰䕧ߎ佅䱋⬉य़(Isink = 16 mA) VCE(sat) -- 225 500 mV ᬙ䱰䕧ߎ݇䯁⢊ᗕⓣ⬉⌕ (VCE = 20 V) IFLT(leak) -- 1.0 100 PA ⬉य़䫕ᅮ Vth(on) 8.2 8.9 10 V 偅ࡼ䕧ߎܕ䆌 (VCC VC ࡴ)⒲ৢ VH 0.1 0.2 0.3 ⬉⑤⬉⌕ ICC -- ㅵ㛮 17 (VCC = VC = 20 V) IC -- 12 16 -- 3.5 6.0 50 mA) ㅵ㛮 18 ( VCC = VC = 20 V) ⊼˖ 1.䕧ܹ݅⬉य़䕧ֵܹো⬉य़ϡ㛑ԢѢ-0.3VDŽ 2. 䖭Ͼヺড়ⱘ⬉य़ϡ㛑䍙䖛 – 0.3 ~Vrefⱘ㣗ೈDŽ. 3. ᳔ᇕ㺙ࡳ㗫ᵕ䰤ᖙ乏㽕Ҩ㒚㾖ᆳDŽ 4 mA CP1205 ㅵ㛮ࡳ㛑ᦣ䗄 ㅵ㛮ো ৡ⿄ ㅵ㛮ᦣ䗄 1, 2, 24 BT, AT, CT 䖭ϝϾ䲚⬉ᵕᓔ䏃ⱘ乊䚼偅ࡼ䕧ߎᰃ⫼ᴹ偅ࡼϞ㑻ᓔ݇ϝᵕㅵⱘDŽ 3 Fwd/Rev ℷ/ড䕧ܹㅵ㛮ˈ⫼Ѣᬍব偀䖒ᮟ䕀ᮍDŽ 4, 5, 6 SA, SB, SC ϝϾӴᛳ఼䕧ܹㅵ㛮ˈ⫼ᴹࠊᤶᑣ߫DŽ 7 䕧ߎՓ㛑ッ 䕧ߎՓ㛑ッˈ催⬉ᑇᯊˈ偀䖒䖤㸠˗Ԣ⬉ᑇᯊ偀䖒ᛃᗻᮟ䕀DŽ 8 ޚ䕧ߎ ℸㅵ㛮Ўᤃ㤵ᅮᯊ⬉ᆍCTᦤկˈ⌕⬉⬉ܙᑊЎ䇃Ꮒᬒ఼ˈޚгৃ ⫼ѢᦤկӴᛳ఼⬉⑤DŽ ⬉⌕ᛳᑨℷⳌ ℸㅵ㛮᳝ϔϾ100 mVֵোˈㅵ㛮15Ⳍᇍˈ㒭ᅮᤃ㤵਼ᳳᚙމϟˈ 䕧ܹ 䖭Ͼ䕧ܹッᄤ䕧ߎᓔ݇⬉ᛳDŽℸㅵ㛮䗮ᐌ䖲⬉⌕ᛳᑨ⬉䰏ⱘϞッDŽ 10 ᤃ㤵఼ ᤃ㤵఼乥⥛ৃҹ䗮䖛䗝ᢽᅮᯊ఼ӊRTCTᴹᬍবDŽ 11 䇃Ꮒᬒ఼ℷ 䖭Ͼ䕧ܹㅵ㛮ϔ㠀䖲䗳⥛䆒㕂ߚय़䅵DŽ 9 Ⳍ䕧ܹ 12 䇃Ꮒᬒ఼צ ᓔ⦃ᑨ⫼Ёˈ䖭Ͼ䕧ܹㅵ㛮ϔ㠀䖲䇃Ꮒᬒ఼䕧ߎッDŽ Ⳍ䕧ܹ 13 䇃Ꮒᬒ఼䕧 䯁⦃ᑨ⫼Ёˈℸㅵ㛮䍋㸹ٓ⫼DŽ ߎ/PWM䕧ܹ ℸㅵ㛮Ў䲚⬉ᵕᓔ⦃䕧ߎˈϟ߫ᴵӊϟЎԢ⬉ᑇ˄Ԣ⬉ᑇ᳝ᬜ˅˖᮴ᬜ 14 Fault 䕧ߎ ⱘӴᛳ఼䕧ܹҷⷕ˗䘏䕥0ᯊ⽕ℶ䕧ܹ˗⬉䏃ᛳᑨ䕧ܹѢ100mVˈ ⬉य़䫕ᅮ᳝ᬜˈ䖛⛁ߛᮁDŽ 15 ⬉⌕ᛳᑨⳌצ ݙ䚼100mV䯜ؐⱘޚㅵ㛮DŽℸㅵ㛮ϔ㠀䖲⬉⌕ᛳᑨ⬉䰏ⱘԢッDŽ 䕧ܹ 16 Gnd ഄッDŽ 17 VCC ࠊ⬉䏃⬉⑤ㅵ㛮DŽℸࠊ఼ⱘ⬉⑤᳔ᇣ㣗ೈ10~30V. 18 VC ᑩ䚼偅ࡼ䕧ߎⱘ催⬉ᑇ⢊ᗕ(VOH)䗮䖛ℸㅵ㛮䆒㕂DŽࠊ఼᪡⬉य़䍙䖛 VCⱘ᳔ᇣ㣗ೈ10~30VDŽ 19, 20, 21 CB, BB, AB 䖭ϝϾ㝒᷅ᑩ䚼偅ࡼ䕧ߎᰃϧ䮼⫼ᴹ偅ࡼ䚼Ԣࡳ⥛ᓔ݇ϝᵕㅵⱘDŽ 22 60q/ 120q ৃ䗝 䖭Ͼㅵ㛮⫼ᴹ䗝ᢽӴᛳ఼Ⳍԡˈ60q(催ᗕ) 120q(Ԣᗕ)DŽ 23 ࠊࡼㅵ㛮 䘏䕥Ԣ⬉ᑇᯊˈ偀䖒䖤㸠˗催⬉ᑇᯊˈϡܕ䆌偀䖒᪡ˈ৺߭Ӯذℶ䖤㸠DŽ 5 CP1205 ࡳ㛑ᦣ䗄 1⼎ߎњϔϾ᳝ҷ㸼ᗻⱘݙ䚼Ḛˈϟ䴶ᦣ䗄ⱘ⡍⚍ࡳ㛑খ㗗1DŽ 䕀ᄤԡ㕂Ẕ⌟఼ ݙ䚼䕀ᄤԡ㕂Ẕ⌟఼⫼ᴹⲥ㾚ϝϾӴᛳ఼䕧ܹ˄ㅵ㛮4ˈ5ˈ6˅ˈ㒭催䗳ᑩ䚼偅ࡼ䕧ߎᦤկড়䗖ⱘ ᤶᑣ߫DŽӴᛳ఼䕧ܹⳈ䖲ࠄ䲚⬉ᵕᓔ䏃ⱘ䳡ᇨᬜᑨᓔ݇ܝᷙ㗺ড়఼DŽݙ㕂Ϟᢝ⬉䰏Փ᠔䳔䚼఼ ӊࠄޣ᳔ᇥDŽ䖭Ͼ䕧ܹTTLݐᆍˈൟ䯜ؐЎ2.2VDŽCP1205㋏߫ᰃϧ䮼ЎࠊϝⳌ偀䖒䆒䅵ⱘˈৃҹ ᳔ಯ⾡Ӵᛳ఼Ⳍԡϟ᪡DŽℸ⬉䏃ⱘ60q/ 120q 䗝ᢽㅵ㛮˄ㅵ㛮22˅ৃҹӏᛣ䗝ᢽ偀䖒ⱘ⬉⇨Ӵᛳ఼Ⳍ ԡ60q, 120q, 240q300qDŽ⬅Ѣ᳝ϝϾӴᛳ఼䕧ܹˈℸ᳝ܿ⾡ৃҹ䗝ᢽⱘ䕧ܹҷⷕ㒘ড়ˈ݊Ё݁⾡ᰃ᳝ ᬜⱘ䕀ᄤԡ㕂ˈ䖬᳝ϸ⾡ҷⷕ᮴ᬜˈ䗮ᐌ⬅ᓔ䏃ⷁ䏃ᛳᑨ㒓䏃ᓩ䍋DŽ䖭݁⾡᳝ᬜⱘ䕧ܹҷⷕˈՓ㾷䇗఼ ҹᑺЎ㾦ᑺẔ⌟偀䖒䕀ᄤԡ㕂DŽ ℷ/ড䕧ܹ˄ㅵ㛮3˅䗮䖛䗚䕀ᅮᄤ㒓⬉य़ᴹᬍব偀䖒ᮟ䕀ᮍDŽ㒭ᅮϔϾӴᛳ఼䕧ܹҷⷕ˄՟ བ100˅ⱘᚙމϟˈᔧ䕧ܹ⢊ᗕҢ催⬉ᑇ䕀ᤶࠄԢ⬉ᑇᯊˈᖿ䗳᜶䗳偅ࡼ఼䕧ߎߚ߿ᤶࠄᣛᅮⱘⳌৠ ᄫ↡ⱘ偅ࡼ఼˄ATࠄAB, BT ࠄBB, CTࠄCB˅ˈ㒧ᵰˈᤶᑣ߫乴ˈצ偀䖒ᮟ䕀ᮍᬍবDŽ 偀䖒ⱘᓔ/݇߭ᰃ䗮䖛䕧ߎՓ㛑ッ˄ㅵ㛮7˅ᴹᅠ៤DŽᔧϡ䖲ᯊˈݙ䚼25PA⬉⌕⑤Փ催䗳ᑩ䚼偅ࡼ 䕧ߎᥦᑣ˗ᔧഄᯊˈ乊䚼偅ࡼ䕧ߎ݇䯁ˈᑩ䚼偅ࡼ߭ᔎࠊЎԢ⬉ᑇˈᓩ䍋偀䖒ᛃᗻ⒥㸠ˈ Fault 䕧ߎ▔ ⌏DŽ ࡼᗕ偀䖒ࠊࡼܕ䆌᳔㒜ⱘѻકЁࡴϔϾᅝܼ䖍㓬DŽ䗮䖛ᡞࠊࡼ䕧ܹㅵ㛮˄ㅵ㛮23˅㕂Ў催⬉ᑇˈ ৃҹᅠ៤ࠊࡼDŽࠊࡼӮᓩ䍋乊䚼偅ࡼ䕧ߎ݇䯁ˈᑩ䚼偅ࡼ䕧ߎᠧᓔˈޣᇥњ偀䖒ѻ⫳ⱘডEMFDŽࠊࡼ䕧 ܹ᮴ᴵӊⱘӬܜѢ݊Ҫ᠔᳝ⱘ䕧ܹDŽℸ⬉䏃Ёˈབᵰᓔ䏃ϡ䖲ˈ䛑䗮䖛▔⌏ࠊࡼࡳ㛑ˈㅔ࣪⬉䏃ݙ䚼 40 k:Ϟᢝ⬉䰏㋏㒳ᅝܼᓔ݇ⱘ䖲DŽ ᤶ䘏䕥ⳳؐ㸼㾕20DŽℸ⬉䏃Ё⫼ϔϾಯ䕧ܹⱘ䴲䮼⫼ᴹⲥ 㾚ࠊࡼ䕧ܹˈ䕧ܹࠄϝϾ乊䚼偅ࡼ䕧ߎԧㅵˈՓࠊࡼࡳ㛑乊䚼偅ࡼ䕧ߎ䖒ࠄ催⬉ᑇ⢊ᗕࠡ᮴ᬜDŽ䖭ḋ ৃҹ䰆ℶϞ㑻ϟ㑻⬉⑤ᓔ݇ৠᯊᇐ䗮DŽ ञ⊶偀䖒偅ࡼᑨ⫼Ёˈϡ䳔㽕乊䚼偅ࡼ䕧ߎˈ䗮ᐌᮁᓔDŽ䖭 ѯᴵӊϟˈ⬅Ѣ䴲䮼ᛳᑨ乊䚼偅ࡼ䕧ߎԧㅵⱘᵕ⬉य़ˈℸࠊࡼҡᮻৃҹᅠ៤DŽ 䇃Ꮒֵোᬒ఼ 䖭ᰃϔϾ催ᗻ㛑ⱘˈᅠܼ㸹ٓⱘˈᏺ䕧ܹ䕧ߎⱘ˄ㅵ㛮11ˈ12ˈ13˅䇃Ꮒֵোᬒ఼ˈᯧѢᠻ㸠䯁 ⦃偀䖒䗳⥛ࠊDŽ䖭Ͼᬒ఼᳝ϔϾൟⱘⳈ⌕⬉य़Ⲟ80dBˈ0.6MHzⲞᏺᆑˈϔϾ㣗ೈⱘ䕧ܹ ݅⬉य़˄GND~Vref˅DŽ᭄ⱘᓔ⦃䗳⥛ࠊᑨ⫼Ёˈᬒ఼䜡㕂ЎϔϾᭈԧⱘ⬉य़Ⲟ䕧ߎ䎳䱣 ఼ˈᑊϨᬒ఼䕧ܹ䖲偀䖒䗳⥛䆒㕂⬉य़⑤DŽ 䰘ࡴⱘ䜡㕂㾕31ࠄ35DŽ ᤃ㤵఼ ݙ䚼᭰छᤃ㤵఼乥⥛ৃҹ䗮䖛ᅮᯊ఼ӊRTCT⹂ᅮDŽ⬉ᆍCT 䗮䖛⬉䰏RTޚ䕧ߎッ˄ㅵ㛮8˅ܙ ⬉ˈ䗮䖛ݙ䚼ᬒ⬉ϝᵕㅵᬒ⬉DŽᤃ㤵఼ዄؐ䈋ؐൟؐߚ߿Ў4.1V1.5V DŽ㗗㰥ࠄాໄ䕧ߎ䕀ᤶᬜ⥛ ⱘᡬЁˈᓎ䆂ᤃ㤵఼乥⥛㣗ೈ20~30kHzП䯈DŽ఼ӊ䗝ᢽখ㗗1DŽ 6 CP1205 1. ൟⱘݙ䚼Ḛ VM + 4 SA Ӵᛳ఼ 䕧ܹ SB SC 2 20K + AT 乊 䚼 偅 ࡼ 䕧 ߎ 20K 6 䕀ᄤԡ㕂㾷ⷕ఼ + 1 BT 40K + 60e/120eৃ䗝 Fault 䕧ߎ + 5 3 ࠡ䖯/צ䗔 14 20 K 24 40K 22 CT + 25uA 7 䕧ߎՓ㛑ッ य़ + 17 Vin - 䫕ᅮ 18 + + ޚ〇य़ ఼ ޚ䕧ߎ - 9.1V 21 + AB 8 + + 䇃Ꮒֵোᬒ 4.5V ఼ ℷⳌ䕧ܹ 11 - + + ࡴ䗳 12 - 10 + 䇃Ꮒᬒ఼䕧ߎ PWM 䕧ܹ BB 䖛⛁ֱᡸ ⬉䏃 RT 13 20 PWM 䫕ᄬ 19 R Q Q - CB S 䫕ᄬ ᤃ㤵఼ + S Q CT 40K 9 + R + 16 =া᳝ℷ䘏䕥⒲ৢ ᯊᠡᬊ Gnd 23 ࠊࡼ䕧ܹ 7 ⬉⌕ᛳᑨ䕧ܹ ⬉⌕ᛳᑨޚ䕧ܹ 100mV - ᑩ䚼偅ࡼ䕧ߎ 15 CP1205 2. ϝⳌˈ݁ℹᤶⳳؐ㸼˄⊼1˅ 䕧ܹ (⊼ 2) 䕧ߎ (⊼ 3) Ӵᛳ఼⬉⇨Ⳍԡ (⊼ 4) 乊䚼偅ࡼ 60q ᑩ䚼偅ࡼ ᬙ 䱰 120q SA SB SC SA SB SC F/R Enable Brake Current Sense AT BT CT AB BB CB 1 0 0 1 0 0 1 1 0 0 0 1 1 0 0 1 1 (⊼5) 1 1 0 1 1 0 1 1 0 0 1 0 1 0 0 1 1 F/R = 1 1 1 1 0 1 0 1 1 0 0 1 0 1 1 0 0 1 0 1 1 0 1 1 1 1 0 0 1 1 0 1 0 0 1 0 0 1 0 0 1 1 1 0 0 1 1 0 0 1 0 1 0 0 0 1 0 1 1 1 0 0 0 1 1 0 1 0 1 1 0 0 1 0 0 0 1 0 0 1 1 0 1 0 0 1 (⊼5) 1 1 0 1 1 0 0 1 0 0 1 1 0 0 1 0 1 F/R = 0 1 1 1 0 1 0 0 1 0 0 0 1 1 0 1 0 1 0 1 1 0 1 1 0 1 0 0 0 1 1 0 0 1 1 0 0 1 0 0 1 0 1 0 0 1 0 1 0 0 1 1 0 0 0 1 0 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 1 1 1 X X 0 X 1 1 1 0 0 0 0 (⊼ 6) 0 1 0 0 0 0 X X 0 X 1 1 1 0 0 0 0 Brake = 0 1 0 1 1 1 1 X X 1 X 1 1 1 1 1 1 0 ˄⊼7˅ 0 1 0 0 0 0 X X 1 X 1 1 1 1 1 1 0 V V V V V V X 1 1 X 1 1 1 1 1 1 1 (⊼ 8) V V V V V V X 0 1 X 1 1 1 1 1 1 0 (⊼ 9) V V V V V V X 0 0 X 1 1 1 0 0 0 0 (⊼ 10) V V V V V V X 1 0 X 1 1 1 0 0 0 0 (⊼ 11) Brake = 1 ⊼˖1. V = 6⾡᳝ᬜӴᛳ఼偅ࡼ㒘ড়Ёⱘϔ⾡ˈX = ϡ㗗㰥. 2. ᭄ᄫ䕧ܹ(ㅵ㛮3, 4, 5, 6, 7, 22, 23)䛑ᰃTTLݐᆍDŽ⬉⌕ᛳᑨ䕧ܹッ˄ㅵ㛮9˅Ⳍᇍㅵ㛮15᳝100mV䯜ؐDŽ 䘏䕥Ā0ā䕧ܹᅮНЎ<85 mVˈ䘏䕥Ā1ā> 115 mV. 3. Fault 乊䚼偅ࡼ䕧ߎ䛑ᰃ䲚⬉ᵕᓔ䏃䆒䅵ˈԢ⬉ᑇ(0)᳝ᬜDŽ. 4. ᔧ60q/120q䗝ᢽㅵ㛮催⬉ᑇ⢊ᗕᯊˈ䗝ᢽ60qӴᛳ఼⬉⇨Ⳍԡ䕧ܹDŽᔧㅵ㛮ЎԢ⬉ᑇ⢊ᗕᯊˈ䗝ᢽ 120q⬉⇨Ⳍԡ䕧ܹDŽ 5. ᳝ᬜⱘ60q120qӴᛳ఼㒘ড়ˈᦤկ㒭Ⳍᑨⱘ᳝ᬜⱘ催䗳ᑩ䚼偅ࡼ䕧ߎDŽ 6. ᮴ᬜⱘӴᛳ఼䕧ܹˈbrake = 0; ᠔᳝ⱘ催䗳ᑩ䚼偅ࡼ݇䯁ˈ Fault ЎԢ⬉ᑇDŽ 7. ᮴ᬜⱘӴᛳ఼䕧ܹˈbrake = 1; ᠔᳝ⱘ乊䚼偅ࡼ݇䯁ˈ᠔᳝ⱘᑩ䚼偅ࡼᓔਃˈ Fault ЎԢ⬉ᑇDŽ 8. ᳝ᬜⱘ60q120qӴᛳ఼䕧ܹˈbrake = 1˗᠔᳝ⱘ乊䚼偅ࡼ݇䯁ˈ᠔᳝ⱘᑩ䚼偅ࡼᓔਃˈFault Ў催⬉ᑇDŽ 9. ᳝ᬜⱘӴᛳ఼䕧ܹˈbrake = 1ˈenable = 0; ᠔᳝乊䚼偅ࡼ݇䯁ˈ᠔᳝ᑩ䚼偅ࡼᓔਃˈ Fault ЎԢ⬉ᑇDŽ 10. ᳝ᬜⱘӴᛳ఼䕧ܹˈbrake = 0ˈenable = 0; ᠔᳝ⱘ催䗳ᑩ䚼偅ࡼ݇䯁ˈ Fault ЎԢ⬉ᑇDŽ 11. ᠔᳝ⱘᑩ䚼偅ࡼ݇䯁ˈ Fault ЎԢ⬉ᑇDŽ 㛝ᆑ䇗ࠊ Փ⫼㛝ކᆑᑺ䇗ࠊˈᤶᑣ߫ᳳ䯈ˈ䗮䖛ᬍবᦤկ㒭↣Ͼ䕀ᄤ㒓ⱘᑇഛ⬉य़ᴹࠊ偀䖒䗳⥛DŽᔧ CTᬒ⬉ᯊˈᤃ㤵఼䛑䆒㕂Ў䫕ᄬˈܕ䆌催䗳ᑩ䚼偅ࡼ䕧ߎᇐ䗮DŽᔧCTⱘℷᵕവؐѢᬒ఼䕧ߎᯊˈ PWM↨䕗఼ԡϞ䰊䫕ᄬ఼ˈذℶᑩ䚼偅ࡼ䕧ߎDŽ㛝ކᆑᑺ䇗ࠊᯊᑣ㾕3ˈ⫼PWM䇗ࠊࠊ偀䖒䗳⥛ া⫼Ѣᑩ䚼偅ࡼ䕧ߎDŽ 8 CP1205 䰤ࠊ⬉⌕ 偀䖒ᣕ㓁ᎹᰃϔϾϹ䞡ⱘ䖛䕑ˈӮᇐ㟈䖛⛁㗙ᅠܼᤳണ偀䖒DŽ䖭Ͼ⸈ണᴵӊৃҹ䗮䖛䗤਼䰤⌕ ࠊᴹ䰆ℶDŽгህᰃˈ↣Ͼᕾ⦃˄਼ᳳ˅ЎϔϾ⣀ゟⱘџӊDŽ䰤ࠊ⬉⌕ৃҹ䗮䖛ⲥ㾚↣䕧ߎᓔ݇ᇐ䗮ᯊ ⱘ䕀ᄤ⬉⌕ˈᑊᛳᑨࠄ䖛⌕ᴵӊˈ✊ৢゟࠏ݇䯁ˈᑊᤃ㤵఼ࡴ䗳ᳳ䯈ֱᣕ݇䯁ᴹᅠ៤DŽ䕀ᄤ⬉⌕䗮䖛 ϝϾϟ㑻ᓔ݇ϝᵕㅵ(Q4, Q5, Q6)ІϔϾ⬉䰏RSˈ䕀ᤶЎ⬉य़DŽ䗮䖛ᛳᑨ⬉䰏ⱘ⬉य़䱣ⴔ⬉⌕ᛳᑨ䕧ܹ ˄ㅵ㛮9ㅵ㛮15˅㗠ᬍবˈᑊݙ䚼100 mV↨ޚ䕗DŽ⬉⌕ᛳᑨ↨䕗఼䕧ܹ㣗ೈ㑺Ў3.0VDŽབᵰ䍙䖛 њ100mVⱘ⬉⌕ᛳᑨ䯜ؐˈ↨䕗఼ԡϟ㑻ᛳᑨ䫕ᄬ఼ᑊذℶ䕧ߎᓔ݇DŽ ⬉⌕ᛳᑨ⬉䰏ⱘؐབϟ˖ 0.1 RS Istaror (max) 䖛⌕ᴵӊϟˈ Fault ᬙ䱰䕧ߎ▔⌏DŽ ℸ⬉䏃ⱘঠ䞡䫕ᄬPWM㒧ᵘ⹂ֱњӏԩᤃ㤵਼ᳳˈϡㅵ䇃Ꮒᬒ఼⬉⌕䰤ࠊ↨䕗఼ᰃ৺Ёℶˈ䛑 া᳝ϔϾ䕧ߎᇐ⬉㛝ކDŽ 3. 㛝ᆑ䇗ࠊᯊᑣ ⬉ᆍCT 䇃Ꮒᬒ఼䕧 ߎ/PWM䕧ܹ ⬉⌕ᛳᑨ䕧ܹ 䫕ᄬ఼䆒㕂䕧ܹ 乊䚼偅ࡼ䕧ߎ ᑩ䚼偅ࡼ䕧ߎ Fault䕧ߎ ޚ ⠛ݙ6.25Vⱘ〇य़఼˄ㅵ㛮8˅Ўᤃ㤵ᅮᯊ⬉ᆍᦤկњˈ⌕⬉⬉ܙЎ䇃Ꮒᬒ఼ᦤկњϔϾ ˈޚᑊ ৃҹԢ⬉य़ᑨ⫼Ёˈᦤկ20mA⬉⌕Ⳉ偅ࡼӴᛳ఼DŽ催⬉य़ᑨ⫼Ёˈ䳔㽕䗮䖛݇䯁⬉䏃ᴹᬍবࡳ㗫DŽ བ22᠔⼎ˈ䗮䖛䚼䖲ϔϾԧㅵህৃҹᅲ⦄䖭Ͼࡳ㛑DŽㅔऩⱘNPN⬉䏃ৃҹ䗮䖛䗝ᢽ6.25Vޚ ᅲ⦄ˈᔧ䳡ᇨܗӊ䖛⏽ᯊˈ Vref – VBE㽕䍙䖛᳔ᇣ᠔䳔⬉य़ DŽ䗮䖛䗝ᢽড়䗖ⱘϝᵕㅵ䗖ᔧⱘᬷ⛁ˈህ ৃҹ㦋ᕫϔϾᬒ఼ⱘ䋳䕑⬉⌕DŽ 9 CP1205 4. ޚ䕧ߎ㓧఼ކ UVLO + 17 Vin 18 + REF + 8 MPS U01A - - ࠄࠊ⬉䏃 6.25V Ӵᛳ఼⬉⑤ =5.6V 39 UVLO 17 + Vin 18 + MPS U51A REF - 8 + ࠄࠊ⬉䏃 Ӵᛳ఼⬉⑤ 6.25V - ᓎ䆂Փ⫼NPN⬉䏃偅ࡼ䳡ᇨ⬉ܝӴᛳ఼ˈℸ⬉䏃Ё䕧ߎ⬉य़⏽ᑺ㋏᭄ϡᰃᕜ䞡㽕DŽPNP⬉䏃ᰒᕫ ᴖˈԚᰃ䖛⏽ᰃг㊒⹂ϔѯDŽϸϾ⬉䏃䛑᳝⬉⌕ᵕ䰤6.25 V य़䫕ᅮ ℸ⬉䏃ঞ៤њϔϾϝ䞡य़䫕ᅮˈ⫼ᴹ䰆ℶIC䚼ԧㅵᓔ݇ⱘᤳണDŽԢᎹ⬉य़ᴵӊϟˈৃҹ ⹂ֱ⬉䏃Ӵᛳ఼ߚܙথ⫼ˈгৃҹᦤկܙ䎇ⱘᑩ䚼偅ࡼ䕧ߎ⬉य़DŽ⬉䏃ℷ⬉⑤˄VCC˅ᑩ䚼偅ࡼ ⬉⑤˄VC˅ߚ߿䗮䖛⣀ゟⱘ↨䕗఼Ẕ⌟ˈ䯜ؐЎ9.1 VDŽ䖭Ͼ䯜ؐ⬉ᑇ㛑ֱ䆕偅ࡼᷛⱘޚMOSFETㅵ㺙 㕂ᯊ㛑㦋ᕫԢRDSDŽᔧⳈ偅ࡼ䳡ᇨᬜᑨӴᛳ఼ᯊˈབᵰ⬉ޚय़ԢѢ4.5 Vˈ߭Ӯᇐ㟈Ӵᛳ఼᪡ϡℷᐌˈ ℸ䞛⫼ϔϾ↨䕗఼ᴹẔ⌟䖭⾡ᚙމDŽབᵰϔϾϾ↨䕗఼䛑Ẕ⌟ࠄ⬉य़ᚙ ߭ˈމFault 䕧ߎ▔⌏ˈ 偅ࡼ఼݇䯁ˈᑩ䚼偅ࡼ䕧ߎֱᣕԢ⬉ᑇ⢊ᗕDŽ↣Ͼ↨䕗఼ֱᣕ⒲ৢˈҹ䰆ᓩ䍋ᤃ㤵DŽ Fault 䕧ߎ Fault 䕧ߎ(ㅵ㛮14)㋏㒳ᬙ䱰ᯊ䕧ߎϔϾᬙ䱰ֵোDŽ ℸッষ䱋⬉⌕16mAˈৃҹⳈ偅ࡼথܝѠᵕㅵˈ⫼ ᴹᣛ⼎ᬙ䱰䕧ߎDŽˈℸㅵ㛮ᯧѢTTL/CMOSᒝ⋕ˈ⫼ᖂ໘⧚఼ࠊ㋏㒳DŽᔧϟ䴶ⱘϔϾϾᚙ މѻ⫳ᯊˈ Fault 䕧ߎ᳝ᬜ˄Ԣ⬉ᑇ᳝ᬜ˅˖ 1) ᮴ᬜⱘӴᛳ఼䕧ܹҷⷕ 2) 䘏䕥 [0]ᯊˈ䕧ߎՓ㛑ッ᳝ᬜ 3) ⬉⌕ᛳᑨ䕧ܹѢ100 mV 4) य़䫕ᅮˈϔϾϾ↨䕗఼▔⌏ 5) 䖛⛁ߛᮁˈ䍙䖛᳔㒧⏽ᯊDŽ 䖭Ͼ Fault 䕧ߎ䖬ҹ⫼ᴹऎߚˈ䖛䕑ᚙމϟˈ偀䖒ᰃ߮߮ਃࡼ䖬ᰃᣕ㓁᪡DŽ䗮䖛 Fault 䕧ߎՓ 㛑䕧ܹッП䯈⏏ࡴϔϾRC㔥㒰ˈ䖬ৃҹ䖛⌕ᯊᓎゟϔϾᓊᯊߛᮁˈ䆺㾕5ˈ䖭Ͼ䰘ࡴⱘ⬉䏃䗮䖛ࡴ ϔϾਃࡼ䕀ⶽˈৃҹՓ偀䖒㋏㒳ᕜᖿਃࡼˈᑊ᳝ᕜ催ⱘᛃᗻ䕑㥋ˈ䖬ৃҹ䰆ℶ䖛⌕DŽৃҹ䗮䖛䆒㕂ϔϾ催 10 CP1205 Ѣॳᴹ䆒ᅮⱘ⬉⌕ᵕ䰤ᴹᅠ៤䖭ϾӏࡵDŽ 䭓ᯊ䯈䖛⌕ⱘᚙމϟˈ⬉ᆍCDLYˈ⬉ܙᓩ䍋䕧ܹՓ㛑ッ䕧ܹ䍙䖛䯜ؐˈ䖒ࠄԢ⬉ᑇ⢊ᗕDŽ䗮䖛 Fault 䕧 ߎࠄ䕧ߎՓ㛑ッᔶ៤ϔϾℷড作ಲ䏃ˈϔᮺ䆒㕂ˈህৃҹা䗮䖛ⷁ䏃CDLYᕾ⦃⬉⑤ԡDŽ 偅ࡼ䕧ߎ 䖭䞠ϝϾ乊䚼偅ࡼ䕧ߎ˄ㅵ㛮1ˈ2ˈ24˅䛑ᰃ䲚⬉ᵕᓔ䏃ⱘNPNϝᵕㅵˈ᳔䱋⬉⌕Ў50mAˈ᳔ᇣ ߏこ⬉य़Ў28VDŽ㾕6ˈ7ˈ ৃҹ䖲ࠄ催⬉य़ᑨ⫼DŽ 䖭ϝϾ㝒᷅ᑩ䚼偅ࡼ䕧ߎ˄ㅵ㛮19ˈ20ˈ21˅䛑⡍߿䗖ড়Ⳉ偅ࡼN-䗮䘧MOSFETNPNঠᵕ ԧㅵ˄8ˈ9ˈ1011˅DŽ↣Ͼ䕧ߎ䛑㛑ѻ⫳᳔100mAⱘ䱋⬉⌕⑤⬉⌕DŽᑩ䚼偅ࡼⱘ⬉⑤ᰃ⬅VCᦤ կⱘˈ䖭Ͼ⣀ゟⱘ⬉⑤䕧ܹˈᰃ䆒䅵㗙ৃҹӏᛣ䆒䅵偅ࡼ⬉य़ˈ㗠ϡձ䌪ѢVCCDŽᔧ偅ࡼࡳ⥛MOSFETㅵ ᯊˈ⬅ѢVCCѢ20Vˈℸ㽕䖭Ͼ䕧ܹッ䖲ϔϾ唤㒇ㅱԡѠᵕㅵˈҹ䰆MOSFET䮼䰤ߏこDŽ ࠊ⬉䏃ഄ˄ㅵ㛮16˅⬉⌕ᛳᑨড䕧ܹ˄ㅵ㛮15˅ᖙ乏䗮䖛⣀ゟⱘ䗮䏃䖨ಲࠄ䕧ܹ⬉⑤ഄDŽ 䖛⛁ֱᡸ⬉䏃 䖛⛁ֱᡸ⬉䏃⫼ᴹ⏽ᑺ䍙䖛᳔㒧⏽ᯊֱᡸ⬉䏃DŽᔧൟؐЎ170qC ᯊˈ㱑✊䕧ߎՓ㛑ഄˈ⬉䏃 ▔⌏DŽ 5. ᅮᯊᓊ䖳䫕ᄬ఼䖛⌕ֱᡸ⬉䏃 + 14 4 + 2 5 + 6 R DLY + POS DEC 1 3 + 24 22 VM UVLO + 17 18 + + REF ԡ ᓔ݇ - 21 + AB 8 + + C DLY - + 20 25uA 7 tDLY RDLY CDLY ln( RDLY CDLY ln( Vref (IILenableRDLY) ) Vthenable (IILenableRDLY) 6.25 (20x106RDLY) ) 1.4 (20x106RDLY) 11 BB CP1205 6. NPNϝᵕㅵ催⬉ᑇ⬉य़ষ 14 VM 2 AT Q2 VCC Q3 Q1 䕀ᄤԡ㕂㾷ⷕ఼ 1 BT 䋳䕑 24 CT + 21 AB 20 Q4 BB 19 CB ϝᵕㅵQ1ᰃϔϾ݅⢊ᗕⱘ䖲ˈ⫼ᴹ䕀ᤶVCCࠄ偀䖒催⬉य़VMⱘ⬉ᑇDŽབᵰVCCVMᕜԢᯊߎ⦄ˈ ߭䳔㽕䲚⬉ᵕ䖲ϔϾѠᵕㅵDŽ 12 CP1205 7. N䗮䘧ࡳ⥛MOSFETsㅵ催⬉य़ষ䖲 14 VBoost VM=170V VCC=12V 5 2 6 1.0k AT 1 1.0M 䕀ᄤԡ㕂㾷ⷕ఼ 1 4 2 4.7k BT MOC8204 ܝ㗺ড় 24 䋳䕑 CT + 21 AB 20 Q4 BB 19 CB 8. ⬉⌕⊶ᔶᇪዄᡥࠊ 21 20 19 + 40K 9 R + C 100mV RS 15 23 ࠊࡼ䕧ܹ 䰘ࡴⱘRCⒸ⊶఼ৃҹ⍜䰸⬅Ѣ⬉⌕⊶ᔶᇪዄᓩ䍋ⱘᵕ䰤⬉⌕ϡ〇ᅮᗻDŽ⬉䰏RSᖙ乏ᰃԢᛳᑨ㉏ൟ⬉ 䰏DŽ 13 CP1205 9. MOSFET偅ࡼ乘䰆ᮑ 21 Rg D AB 20 Rg D BB 19 Rg D CB + 40K 9 + 100mV 15 23 D=1N5819 ࠊࡼ䕧ܹ ⬉䰏Rgৃҹ䰏ሐӏԩ⬅ѢMOSFET䕧ܹ⬉ᆍ݊Ҫ㒓䏃ᛳᑨѻ⫳ⱘ催乥ᤃ㤵DŽᔧ᳝䋳⬉⌕䕧ܹˈԢ䗳 偅ࡼ䕧ߎ䍙䖛50mAᯊˈ䳔㽕䖲ѠᵕㅵDŽ 10. ঠᵕԧㅵ偅ࡼ⬉䏃 C 21 AB C 20 BB C 19 CB IB + 40K 9 + 0 t 100mV 15 ᵕࡆߛ⬉ܙ 23 ࠊࡼ䕧ܹ 䗮䖛䰘ࡴⱘ⬉ᆍCˈ 㝒᷅䕧ߎৃҹ㒭ᵕᦤկ䋳⬉⌕ˈՓԧㅵ݇䯁DŽ 14 CP1205 11. ⬉⌕ᛳᑨࡳ⥛MOSFETsㅵ⬉䏃 D 21 G M S SENSEFET K 20 19 ⬉⑤ഄ 䕧ܹ⑤䖨ಲ 9 + Rs 100mV 15 RS x Ipk x RDS(on) Vpin 9Ĭ 16 rDM(on) +RS ഄ If: SENSEFET=MPT10N10M RS=200 1/4W Then: Vpin9=0.75Ipk ࠊ⬉䏃ഄ˄ㅵ㛮16˅⬉⌕ᛳᑨডⳌ䕧ܹ˄ㅵ㛮15˅ᖙ乏䗮䖛ߚᓔⱘ䗮䘧ߚ߿䖨ಲࠄ⬉⑤ഄDŽ ᅲ䰙Ϟˈ䗮䖛ᠻ㸠SENSEFET⬉⑤ᓔ݇ৃҹᅲ⦄᮴ᤳ㗫ⱘᛳᑨ⬉⌕DŽ 12.催⬉य़䖯կ⬉⬉䏃 Vcc=12V VM+12.0 8 4 6 + 7 R 5 ᦤ छ VM+8.0 ⬉ य़ VM+4.0 0 (V) 20 40 60 ᦤछ⬉⌕˄mA) Q + 3 1.0/200V S VBoost - 1N5352A 2 1 0.001 MUR115 22 MC1555 18k VM=170V ℸ⬉䏃Ў25ᦤկᠽሩ⬉य़VBoostDŽ 15 CP1205 13. Ꮒߚ䕧ܹ䗳⥛ࠊ఼ 14. ৃⱘࡴ䗳/ޣ䗳⬉䏃 REF REF 8 + 8 + Փ㛑ッ 25uA 7 11 + VA R2 VB R2 12 EA - C - 12 R3 R1 䗳 ⥛ Ϟ छ EA 11 + R1 25u A 7 13 - PWM + R4 13 - PWM + Vpin13 VA( ⬉䰏R1⬉ᆍC䆒㕂ࡴ䗳ᯊ䯈ᐌ᭄ˈ㗠⬉䰏R2߭ R3 R4 R2 R4 ) ( VB) R1 R2 R3 R3 ࠊޣ䗳ᯊ䯈ᐌ᭄DŽЎњޣᇥϡৠ䗳⥛䆒㕂ᯊⱘᯊ䯈 ᐌ᭄ব࣪ˈR1R2ⱘؐᖙ乏Ѣ䗳⥛䆒㕂ߚय़䅵 ⱘ10סDŽ 15. ᭄ᄫ䗳⥛ࠊ⬉䏃 5.0V REF 16 12 BCD 䕧ܹ P3 P2 P1 P0 Gnd Q9 Q8 Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0 11 10 9 7 6 5 4 3 2 1 166k 145k 126k 108k 92.3k 77.6k 63.6k 51.3k 40.4K 100k 8 + EA 11 12 13 8 25uA 7 + 13 14 15 SN74LS145 VCC - - PWM + SN74LS145 ᰃकϾẔ⌟఼ЁⱘϔϾ䲚⬉ᵕᓔ䏃ⱘBCDˈᔧབ䖲ᯊˈ䕧ܹҷⷕ0000~1001ˈৃҹ ՓPWMҢ0~90%ࡴ10%DŽ䕧ܹҷⷕ1010~1111ˈᇚѻ⫳100% PWM䇗ࠊ䖒ࠄ偀䖒ܼ䗳DŽ 16 CP1205 16. 䯁⦃䗳⥛ࠊ⬉䏃 REF 8 + 25u A 7 ࠄӴᛳ఼䕧ܹ ˄Pin4) EA 11 + 10k 0.01 12 - 100k 1.0M 10k 13 - 1.0M 0.22 PWM + 0.1 䖭䞠ⱘ䕀ᄤԡᄤẔ⌟఼ৃ⫼䕀䗳䅵DŽ䗮䖛ऎߚℷᵕֵো䖍⊓ˈ✊ৢ∖⿃ߚˈৃҹѻ⫳ϔϾ⬉य़៤ ℷ↨ⱘ䗳⥛DŽ䇃Ꮒᬒ఼↨䕗䖭Ͼ⬉य़ᴹࠊPWM䇗ࠊDŽ 17. 䯁⦃⏽ᑺࠊ⬉䏃 VPin3=Vref( REF R3+R4 R2 R4 ) ( VB) R1+R2 R3 R3 8 + R1 25u A 7 11 + VB= Vref R5 (R5/R6+1) R3>>R5||R6 R2 12 R3 R6 EA - R4 13 - PWM + ℸ⬉䏃ৃҹḍӴᛳ఼⏽ᑺ䆒㕂⬉䏃П䯈ⱘأᏂࠊދ亢ᴎ䗳⥛DŽᔧᔎ䖿䗮亢ैދNTC⛁ᬣ⬉䰏ᯊˈ ℸ⬉䏃݇䯁 DŽ⫼Ѣࠊᬷ⛁ᯊˈѸᤶR1R2ԡᄤेৃDŽ 17 CP1205 ൟᑨ⫼⬉䏃 18. ϝⳌˈ݁䰊ˈܼ⊶偀䖒ࠊ఼ VM + 14 ᬙ䱰ᰒ⼎ 4 + 2 5 Q1 + N 6 䕀ᄤԡ㕂㾷ⷕ఼ + A 1 Q2 S S N 3 ࠡ䖯/צ䗔 + 24 Q3 22 60e/120e ৃ䗝 B + 25uA 7 VM 17 C य़ + 䕧ߎՓ㛑ッ 偀䖒 䫕ᅮ 18 + + ޚ〇य़ ఼ - 21 + Q4 8 + + 11 - 䇃Ꮒֵোᬒ఼ + ࡴ䗳 12 20 Q5 - 䖛⛁ֱᡸ ⬉䏃 RT + 13 䫕ᄬ PWM 19 R Q - Q6 S 10 䫕ᄬ ᤃ㤵఼ + S Q CT 40K 9 C 100mV 16 Gnd 23 ࠊࡼ䕧ܹ 18 R + R 15 CP1205 19. ϝⳌˈ݁䰊ˈञ⊶偀䖒ࠊ఼ 偀䖒 CDLY R2 RDLY + R1 14 4 + 2 5 + N 6 3 VM + 24 22 60e/120e ৃ䗝 + 25uA 7 य़ + 17 VM 䫕ᅮ 18 + + ޚ〇य़ ఼ - 21 + 8 + 䗳ᑺ 䆒㕂 + 11 - 䇃Ꮒֵোᬒ఼ + ࡴ䗳 12 20 - 䖛⛁ֱᡸ ⬉䏃 RT + 13 䫕ᄬ PWM 19 R Q S 10 S S N ࠡ䖯/צ䗔 1 䕀ᄤԡ㕂㾷ⷕ఼ + 䫕ᄬ ᤃ㤵఼ + S Q CT 40K 9 + R 100mV 16 Gnd 23 ࠊࡼ䕧ܹ 19 15 20 CT ᤃ㤵఼ - + 10 13 - + 12 PWM + 䇃Ꮒֵোᬒ ఼ 䫕ᅮ य़ - - Q Q R S 16 Q 䫕ᄬ S R 䫕ᄬ 䖛⛁ֱᡸ ⬉䏃 - + 䕀ᄤԡ㕂㾷ⷕ఼ + 11 25u A ޚ〇य़ ఼ + + + + 8 18 17 7 22 3 + + + RT VM 䕧ܹՓ㛑ッ ࠡ䖯/צ䗔 6 5 + Gnd + 23 40K + + - 4 100mV 15 9 19 20 21 24 1 2 14 C R ᬙ䱰ᰒ⼎ Q8 Q4 Q7 Q3 Q6 Q2 Q5 D C B A Q1 S N N S CP1205 20. ಯⳌˈಯ䰊ˈܼ⊶偀䖒ࠊ఼ 21 CT ᤃ㤵఼ - + 10 13 - + 12 PW M + 䇃Ꮒֵোᬒ ఼ 䫕ᅮ य़ - - Q Q R S 16 Q 䫕ᄬ S R 䫕ᄬ 䖛⛁ֱᡸ ⬉䏃 - + 䕀ᄤԡ㕂㾷ⷕ఼ + 11 25uA ޚ〇य़ ఼ + + + + 8 18 17 7 22 3 + + + RT VM 䕧ܹՓ㛑ッ ࠡ䖯/צ䗔 6 5 + Gnd + 23 40K ࠊࡼ䕧ܹ + + - 4 100mV 15 9 19 20 21 24 1 2 14 C R ᬙ䱰ᰒ⼎ Rs VM N S Motor S N CP1205 21. ಯⳌˈಯ䰊ˈञ⊶偀䖒ࠊ఼ CP1205 CP1205 ᇕ㺙ᔶᓣ DIP-24 0.25f0.05 7.62 6.40f0.25 2.54 +0.3 1.27 -0 15 degree 3.00MIN 4.36MAX 29.72f0.3 0.5 MIN 0.46f0.08 0.89MAX 9.525 7.6f0.3 10.2f0.4 SOP-24 0.25f0.05 3.10MAX 1.27 15.34f0.25 13.97 22 0.40f0.1