Mạch biến tần EG7500
Mạch biến tần EG7500
Function description: EG7500 booster drive plate
L adopts the model of push-pull step-up structure
The PWM frequency l EG7500 booster drive plate is 40 KHZ
L have + / - 1 a current drive output ability
L overpressure shutoff > 15 V + / - 0.5 V
L under-voltage buzzer < 10.5 V + / - 0.5 V
L undervoltage cut-off < 9.5 V + / - 0.5 V
L overcurrent shutoff IFB foot > 48 mv
L PCB material: FR - 4, thickness: 1.5 mm
L size: long 46 mm x 33.5 mm wide
L plate parts maximum height: 9 mm
L weight: 7 grams
Function description: EG7500 driven plate pin
1 the temperature
2 under-voltage buzzer
3 VCC + 12 v
Four fan control
5 VFB
6 GND
7 + 12 v
8-9 driver output side
10 IFB MOS tube Rds detection, over-current protection
Over-current protection following 8-9 feet drive MOS tube, wrong will not be able to boot