1ՈfһV͞V늸еą^(q)e
Ɍ(do)^FwMֱСڵlr迹ҲСֱ̖]Ӱ
ڸlʮƝϣr迹^l늴ňFwϮa(chn)uʹlɔ_̖D(zhun)ĵ
鳣ڸl·ģKԴVl̖·VEMIɔ_
늸ɾȦʹоMֱ^С늸^늸жеl·ĞV(c)Ƃ(do)Ըɔ_䑪(yng)lڎʮƝ¡
2Ո늸зbĺx040206030805
ʾǷbߴ煢(sh)0402:40*20mil0603:60*30mil0805:80*50mil
3ՈfĸݵľȣJKMZ
J5%
K10%
M20%
Z+80%~-20%
4Ո늸еķbСքecʲô(sh)P(gun)
bСcֵ~P(gun)
ݷbСcֵ~늉P(gun)
늸зbСc늸~P(gun)
5xҪעЩ(sh)
ֵȡʣڌH·ϓQ늉b
6xҪעЩ(sh)
ֵ͉b
7늸xҪעЩ(sh)
늸ylʣb
8xҪעЩ(sh)
迹ֵylʣֱ裨Qֱb
9OxҪעЩ(sh)
늉?q)ͨb
10_P(gun)MOSxҪעЩ(sh)
С_늉VgsthԴ늉Vgsmax©Դ늉Vds©ԴId(do)ͨRdsonɢb
11ֱԴݔVݣ(yng)θ(j)H늉xݵ~늉(sh)
ݵ~늉(yng)ԓԴֱݔ늉(j)~늉(bio)Qֵx1.2~2ֱݔ늉ɡ
12݃ɶ˵늉λP(gun)ϵǣͬࡢ늉ǰ90ǰ늉90
ǰ늉90㡣
13Ոe֪ĶOƷƣ
DIODESFAIRCHILDFHL(fng)AFormosaMSIRMCCMOTOROLAONSemiPHILIPSRECTRONROHMTOREXTSCVISHAYWTEXUYANG
14Ոeһ
1·ϵĿ
2x·
3{(dio)ԇA(y)λ
4Uz
5ͬصĆcB
15Ո蹤ԭ
(dng)ϵ늉^һȕrֵĶӿйŵӿ늉һķ
16ՈPTCԴ·UzĹԭ
(dng)Դݔ늉ؓd^(do)ĕrPTCضʹЧѸĶʹݔ늉½pСݔ
(dng)ȥPTC֏(f)׃ĺСԴ·֏(f)B(ti)
17ҊNƬݵIJ|(zh)УX7RX5RY5VNPOCOGZ5UՈֵͽ|(zh)p(wn)һN
ֵͽ|(zh)p(wn)NPOCOG|(zh)
18iją(sh)100R@100MHzՈጅ(sh)ĺx
100MHzlµ迹ֵ100Wķ
19Ոeһ
1늏(f)λr˿ƽ
2OCODT_ƽ
3ݔ˿ڵĸƽ
4Ӵݔ_(q)
5ݔ迹ֹo늓p
6߿Ŀ늴Ÿɔ_
7ƥƷ䲨ɔ_
20Ոģ늸еʲô
ƹģɔ_
21댧(do)wоƬ 0.25um 0.18um 90nm 7nmˇָʲô
@Щ(sh)ֱʾ댧(do)wоƬļg(sh)(ji)cҲQˇ(ji)cHxС빝(ji)ࡱLƳ̾
댧(do)wI(y)ͨʹá빝(ji)ࡱL MOSܖŘOLȣ͡Y(ji)ȅ(sh)оƬļɶȣ@Щ(sh)ԽСоƬļɶԽ
eijNоƬ 90nmˇа빝(ji) 90nmwܵL 37nm빝(ji)ָоƬ(ni)(lin)gxһ Ҳgһ
ښvÿһµļg(sh)(ji)c DRAMоƬ µļg(sh)(ji)cָ DRAMİ빝(ji)ࡣ
ڼg(sh)߀ЃɷNc빝(ji)ࡱxı_ʽǡࡱ͡ߴ硱ھt빝(ji)͵ھ^njͬһ(sh)(j)IJͬ_
22Gɫl(f)OܵČ(do)ͨǶٷ
2V ҡ
23׃?ni)ݶOܺͷ(wn)OB(ti)£(yng)ԓʲôӵ늉ǰ߷ǰ߷
(yng)ӷ늉
24һ LEDָʾ]жxɫtGS{ɫxһNʲô
ʹ(x)TԴָʾütɫָ̖ʾþGɫ@ɷNɫLEDg(sh)r
25Ո TVS˲B(ti)늉ƶOܵĹԭ
(dng) TVSϵ늉^һȕrѸٌ(do)ͨĶӿйŵӿ늉һķ
26F(xin)еăɾ߉ʲôʲô^(q)e
FPGAF(xin)ɾTУ CPLD(f)sɾ߉ǬF(xin)еăɾ߉FPGAǻڲұY(ji)(gu)ģ CPLDǻڳ˷e헽Y(ji)(gu)
27Ոe֪ĶOͣ
_P(gun)OܣС̖OܣФػOܡO(wn)OܣR{Oܣ˲B(ti)늉ƶOܣ TVS׃?ni)ݶOl(f)Oܣ LED
28ՈҪfɣ KCLͻ늉ɣ KVL
ɣ KCLָ·κΕrMһ·(ji)cԓ(ji)c늉ɣ KVLָ·κΕrһ]·֧·늉֮Ͷ
29ģM·ݔһúηN·l(f)O·O··늘O·
Ɯh߾һòݔ·
30ʲôǷʲô
njŴݔ̖ ( 늉 ) һֻȫ յŴݔcݔ̖Mб^ ( ӻp ) ñ^õЧݔ̖ȥݔ ؓÁ(wn)ݔ̖ ҲԔUչͨl emԄӿϵy(tng)γʎ mʎ·Ͳΰl(f)·
31Oܵ (sh)ӳʲô늉늉늉늉
ֵӳǻO늘OͰl(f)OĿ Ԍ
32ʲô OD_©T OC_Tݔ횼
MOSܺOP(gun)]r©ODͼ늘O CǸB(ti)ݔo_ƽH(yng)ñͨ^_ƽ
33·a(chn)Լʎķֵlλlʲô
ֵlǣ|AF| 1
λlǣ A+ F=2n n=0,1,2,...
34ՈeN͵ESDģ
wģͣ HBMCģͣMMģͣCDM
35Ոһ DC-DC LDOą^(q)e
DC-DC ͨ^_P(gun)ز늸еĴD(zhun)QݞVF(xin)ƽ늉ݔ
P(gun)ԴݔؓdD(zhun)QЧʸ_P(gun)иlݗ
LDOͨ^{(dio)OܻMOSܵݔݔ늉팍F(xin)̶늉ݔԪ{(dio)ܺ늉Ԫ늉D(zhun)Q^Bm(x)ƽģ·ϛ]_P(gun)
LDO·cݔ늉yСؓd^D(zhun)QЧ^
36Ո늺ɱ·һ㑪(yng)ʲô늺ɱÿԄδđ(yng)Æ ʲô
늺ɱͨ^_P(gun)ݳ늌F(xin)·]늸Ԫ(q)^ֻС
37Ҏ(gu) EMCyԇĿЩ
1 (do)l(f)ɔ_yԇ
2 ݗl(f)ɔ_yԇ
3 (do)ɔ__Ȝyԇ
4 ݗɔ__Ȝyԇ
5 ESD _Ȝyԇ
6 늿˲׃}_Ⱥ_Ȝyԇ
7 ӿ_Ȝyԇ
8 lň_Ȝyԇ
9 CcWqyԇ
10 늉̕rД늉׃_Ȝyԇ
38Ոe֪ĸӮa(chn)Ʒ늚ⰲȫJC(bio)(zhn)
FCCWޣCETUV-GSЇCCC_BSMIձVCCIޣC-Tick
39ՈRoHSָ늚O(sh)ʹNк|(zh)
ʹUkrt(lin) PBBͶѣPBDENк|(zh)
40Ո WatchDogTĹԭ
TЃɂҪ̖rݔ͏(f)λݔ·rCPUͳr̖oTι
ϵy(tng)F(xin) CPUoͳBm(x)ĕr̖Tݔ(f)λ̖o CPU(f)λϵy(tng)
41wܻŴ·йNӷՈ@NŴ·c
䣺Ŵ·зŴ늉ݔСݔ^l^խmһŴ
Ŵ·ֻŴݔݔ늉Sc༉Ŵ·ݔ뼉ݔ
·ֻ늉ŴݔСݔ늉Ŵ(sh)c·ஔ(dng)lԺãmڌlŴ·
42༉Ŵ·ļgϷʽĎNķNϷʽ·cƫ(yn)ķNϷʽԌF(xin)迹׃Q
NϷʽֱ׃ֱϵ·cƯ(yn)׃ϵ·ԌF(xin)迹׃Q
43~ጣϡȥ·V
ϣɂ_·֮gһ·ăɂ_IJ֮gĽʹһ·͵һ··һւ͵һ
ȥֹһ·Qһ·ֹl(f)A(y)yķӰһŴ·
·иl̖͵l̖̖еĸlɷͨ^Ԫͨݣ^VֻSl̖ݔ뵽һҪl̖M
VVnj̖ضlʞVIJƺͷֹɔ_һҪʩ
44ʲôǸcðU
߉·УTݔ̖(jng)^ͬӕr_Tĕrgһ£@Nrиڸ(do)ݔa(chn)ẹ̈˲ge`@һF(xin)ðU
45oԴVԴVʲô^(q)e
oԴVɟoԴRLCMO(sh)ӋijlO迹(yng)lCMзОģʽṩʽC·ͨ
oԴVɷ֞ɴ{(dio)CVͨVoԴVY(ji)(gu)ɱ\пɿԸǑ(yng)ÏVıʽCԴVԴ缯\ţRCM늸LweСp
ԴVHһNضl푑(yng)ķŴ\ŵ_h(hun)늉ݔ迹ܸݔС(gu)ԴV·һ늉Ŵ;_\ŎޣԴVĹl
46Ոih(hun)ĎײֽM
bh(hun)·V͉ʎֽMеih(hun)߀һ1/Nl
47ՈRS-232C(bio)(zhn)߉0߉1늉ǶCANRS485հl(f)ƽǎ
RS-232C늚(bio)(zhn)ؓ߉߉0늉+5V~+15V߉1늉-5V~-15V
CANհl(f)ƽ5VRS485հl(f)ƽ3.3V
48~ጣUARTUSRTUSART
UARTUniversalAsychronous Receiver/Transmitterͨî/l(f)܉ɮͨ
USRTUniversalSychronous Receiver/Transmitterͨͬ/l(f)܉ͬͨ
USARTUniversalSychronous Asychronous Receiver/Transmitterͨͬ/l(f)ɮͬͨ
49ՈڮͨŵַʽĎײֽMɣ
ʼλ(sh)(j)λżУλֹͣλIJֽM
50ՈUSBHOSTUSB SlaveUSB OTGą^(q)e
USB HOSTCF(xin)ƹܣҲԴȡ(sh)(j)XPCUSB HOSTCֻԺUSBSlaveO(sh)B
USB SlaveǏO(sh)䣬ڱO(sh)ݔݔ(sh)(j)UPƄӲPMP3MP4(bio)IPΑֱW(wng)ӡCxUSBO(sh)
USB OTGȫQUSBOn-The-Goֱӿƺ͂ݔO(sh)䣬ȿUSB HOSTҲUSB Slaveͨ^ID̖ГQ
51Ոe֪߉ƽ
٣RS232RS422RS485TTLCMOSLVTTLLVCMOSECLPECLLVPECL
٣LVDSGTLPGTLCMLHSTLSSTL
52Ոe֪IJƽƽӿڡ
RS422RS485RJ45CANUSBLVDS
53늴Ÿɔ_Ҫʲô
늴Ÿɔ_Դɔ_·ɔ_O(sh)
54ՈһʲôǴ?dng)_
?dng)_?dng)_ָһ̖̖ɔ_ԭ늴ňϡ̖֮gĻкͻݕϵl(f)l(f)늉
⏣̖迹ƥ䌧(do)̖l(f)ͯBӣĶʹ̖F(xin)ʎ
55ҪƆζ迹50Wķ75Wķ̖ЩҪƲ迹90Wķ100Wķ120Wķ̖Щ
һĸl̖50Wķ~60Wķ75WķҪҕl̖USB̖迹90Wķ̫W(wng)̖迹100WķRS422RS485CAN̖IJ迹120Wķ
56־߾ЃɂԭtL͵ȾࡣڌHпܟo߶ȫMôՈǵL(yu)߀ǵȾ(yu)ȣ
(yng)ԓL(yu)̖̖غ½صĽc̖׃cģ߾LԒʹ@cƫ̖ĕrӰ^߀o̖˹ģijɷ̖|(zh)EMI
СIJȾ̖Ӱ푲ǺܴgһmȻ(do)²迹l(f)׃֮gϱͲ@迹׃ҲǺСģͨ10%ԃ(ni)ֻஔ(dng)һ^ɵķ@̖ݔ@Ӱ
57ʲôl̖ąƽҪBm(x)l̖ܿu
ƽol̖ṩ̖··þoN̖Сh(hun)·e@ڽݗ̖ԡ
ƽ治Bm(x)t̖ԼС·@·̖ܺ·Bӣ(do)»ɔ_Ҹl̖uʹ̖迹a(chn)׃(do)̖ķͯBa(chn)⏬F(xin)
58Ոʲôǰ̻Ƭ
̻ƬPCBеĽ|(zh)ϺճϲɲwSͭh(hun)֬M늳(sh)4.0~4.5ڳ°̻Ƭǹ̑B(ti)ߜؼӟr̻Ƭzɂ(c)~ճ̻ƬɞgĽ|(zh)
59ՈʲôͨäCеСՈͿֱӴԪPφᣬʲô
ͨ؞PCB^äǏPCBBӵ(ni)ӵ^PCB(ni)ӵ^
(sh)PCBSҵļӹ@ӵģڵ8mil^CеСڵ6mil^ҪסСڵ6milͿ@grSһ^״PCBP
60Ո^ăɂ(sh)@ɂ(sh)·ʲôӰ푣
^Ѓɼ(sh)ݺͼ늸
ݕL̖rg·ٶȡ늸Е·ݵؕIpԴϵy(tng)ĞVЧ
ͷQQ1:63355785 ͷQQ2:61303373 ͷQQ3:67399965 ͷQQ4:2656068273 a(chn)Ʒ؈D
(qun)Ук̰˾ к̰˾II(y)(zh) 䰸̖ICP12019441̖-1
P(gun)I֣Ԫ Ԫ Ԫ Ԫ