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Driver 2SC0115T2A0-12 primary and secondary signal not equal

Forums: Gate Drivers Forum

Hello I am using the gate driver 2SC0115T2A0-12 to drive the IGBT leg of inverter. At the instant when driver secondary side has been connected to inverter IGBT pin, the gate pulses is changing(off gate pulse not following instantly and it is decaying). it means the primary and secondary side

IGBT Driver for SKM1400GB12P4

Forums: Gate Drivers Forum

Hello, could you help me to find a IGBT Driver to drive a SKM1400GB12P4 from Semikron. Electrical charge is 7500nC You can find the data sheet in attached file Thank you in advanced Best regards Christophe

PI Expert wont do 24V, 24W Flyback

Forums: AC-DC Conversion Forum

Hi, Do you know why Innoswitch4-CZ , in PI Expert, wont do a 24V Flyback of 24W? 100-265VAC Open frame Also, is it right that you dont have to use the ClampZero component with Innoswitch4-CZ? (ie you can just leave the HSD pin open)?

Innoswitch questions

Forums: AC-DC Conversion Forum

Hi, Is it possible to operate innoswitch without connecting the FWD pin?.....We dont like the 6:1 flyback transformer needed when you connect it. What is the basis behind the switching frequency recommendations in the innoswitch datasheet...is it that the turn off losses are too high if too high a frequency

innoswitch switching frequency

Forums: AC-DC Conversion Forum

Hi, What drives the switching frequency recomendation for innoswitch-EP seen on pg19 of its datsheet? Is it that the FET turns on very slowly (long time in the linear region) and thus in some cases switching frequency must be very low?

innoswitch flyback with low frequency and high peak sec current

Forums: AC-DC Conversion Forum

Hi, I just did a PI Expert design with innoswitch EP for a 100-265vac flyback of 24vout and 1A out. The PI Expert came up with this... https://piexpertonline.power.com/piexpert/design/index?tab=tab2 ..At full load /min vin, it has a dead time of about 7us. The sec peak curren is over 10 Amps. Why

PI Expert wont stay open

Forums: AC-DC Conversion Forum

Hi, I just downloaded PI Expert. When i open it, it opens, and then immediately closes again. Do you know why this is?

Design of RC across output rectifier

Forums: AC-DC Conversion Forum

What criteria is to be used to select the values of the RC network that is shown across the output rectifier. Present design is for a 24V 2A output.

EFD15/8/5 Flyback at highest power ?

Forums: AC-DC Conversion Forum

Hi, We wish to use a power integrations controller to get the max power that we can get out of a EFD15/8/5 flyback 100-265vac 24vout isolated to 3000VAC Open frame There is reasonable amount of blown air....ambient temp around transformer will be 45degc max. Do you know what is the

PI Expert wont do 17W flyback with EFD15/8/5 core

Forums: AC-DC Conversion Forum

Hi, The EFD15/8/5 could be used in a 17W isolated offline flyback SMPS, 100-265VAC, 132kHz, 24Vout. However, PI Expert wont do it..it gives errors , as attached. Do you know why this is. I also attach my excel which prooves it can be done