500W纯正弦波逆变器原理图

12345678ABCD87654321DCBATitleNumberRevisionSizeDDate:1-Mar-2012SheetofFile:F:\MYfile\王辉\EDA\EDAFILE\500W纯正弦逆变器\500W纯正弦波逆变器.ddbDrawnBy:Vpp1RA02RA13RA24RA35RA46RA57Vss8OSC19OSC210RC011RC112RC213RC314RC415RC516RC617RC718Vss19Vdd20RB021RB122RB223RB324RB425RB526RB627RB728IC1PIC16F73xtal120MC1522PC1622PR29473R30473R31473R32473C1822PC1922PC2022PC1722PR28101R27101R26101R3510RR3710RC2125V47uFC2225V47uFC3847uFC39470uFC5104C10104C6104C9104D11US1M/R1SJD12US1M/R1SJR3410RR3610RR3NCR3310R+5V+12V+12VIOR5102LED1NCR8472+5VC2104D94148R12103UOUOR7402R4102+5VC4104C3104D11N4148D21N4148D31N4148D41N4148D51N4148C110512141477IC2ACD4069UB34IC2BCD4069UBLO1COM2VCC34VS6VB7HO89VDD11HIN12SD13LIN14VSS1510516IC3IR2110SLO1COM2VCC34VS6VB7HO89VDD11HIN12SD13LIN14VSS1510516IC4IR2110SSW+12VLO2VS2HO2LO1HO1VS1F1F2SDNR13103C1416V47uF注：4脚电压2-3V为正常。PWM1PWM212345678910111213141516IC5SG3525R6622R6722+12VC37105R56103R5222RC35104C34222C32104R53222R57223R61103R62103Q48550Q38550C3610Q18050Q28050C7104R9472R60R103C8104+12VC12104C11104Vin1GND2Vout3IC87812C4447uFHVR64103R63103R81473R82272R80473D141N4148R84402C33104R83102D16IN4148D15IN4148C48103C49104LED2LEDR54222R65103IC9BUZZERD174148R58223C13104ISSDNC47NCR78222C45100uFR72102R7110214-8+9IC6DLM33913-10+11IC6CLM3392-4+5IC6BLM339D61N4148R61021-6+7312IC6ALM339+12VR69102R68912R70102D104148+12VR2nctRT1C40CAPC46104SDNR59154SWR55330KR731RC4116V470uFR740.22RL3100UHD135189R75181C4216V470uF12345678IC7MC34063R76223R77202C43221SW1、电源引脚，5V-50MA2、过流检测引脚、2-4V时视为过载，延时5秒保护；超过4V时视为严重过载（短路），立即关断SPWM，15脚输出高电平，主要用于工频机。3、调压、稳压引脚；4、电池电量检测，低于2V时，延时5秒关断SPWM，高于3V时立即关断。此时14脚输了高电平；26-28脚上的LED灯灭。19、脚为地R14473+5VIO电池过欠压保护正常工作时，此LED亮R154.7R164.7123789456101112T1EI301:35123789456101112T2EI301:35M160N75M260N75M360N75M460N75C24103R245.1R1910KR2210KR2110KR2310KR184.7R174.7C252200UFC262200PWM1PWM2PWM1PWM2132D7BRIDGE-1123D8BRIDGE-2HVC27ELECTRO1M5MOSFETNM6MOSFETNM7MOSFETNM8MOSFETNR46103R49103R48103R47103R500.5R510.5C28104C29104L11MHL21MHC301UFC311UF12ACOUT2ACOUT12ACOUT1ACoutT3TANGPF1F2HO1VS1LO1HO2VS2LO2ISVIN1GND2VOUT3U27812BT+S1SWSW12FAN1FAN1风扇R11POT2R10POT2R79RES2ACNACL123147U1A4081121311U1D4081564U1B40818910U1C4081接数字表头12FAN2FAN2Q5NPNR255.1C23103R2010k输出是要接NTC的，在板子上有接口过流短路这两个点设计一定要合理，否则后果严重。