Dear Infineon,

because of the MOSFET IRLS3036 shortage situation,

we have reveived  a questionaire of a european vehcile manufacturer.

The questions within this list are aimed to understand the differences bewteen ...

the IRLS3036 and the IRLS4030,

the IRLS3036 and the IRLS3034,

and
the IRLS3036 and the IRL60S216

regarding e.g. the wafer-parameter and the die-parameter.

Bceause the list with the questions is Intellectual Property of the vehcile manufacturer:
Could you please provide to me the email-adress / the contact data of the responsible engineer at Infineon to answer these questions / to provide this data?

Thank you very much in advance!

Werner Dillhage

Hi,

   I use BSZ097N04 on a switching regulator design. I need to make sure the junction temperature is less than 150C.

the power go through the MOSFET have 66% duty cycle. I can only find Zth(jc) plot in the data sheet and curves are only  available with less than 50% duty cycle. However i need to know Zth(ja), as it specified PCB cooling size, to calculate junction temperature.

1. can you tell me how to calculate junction temperature in my case?

2. for Zth(jc) (junction-to-case) this case is top side or bottom side of package?

Thanks,

Tony

Hi,

I'm using back-to-back 100V / 40A IRF5210PBF power P-channel MOSFETs in a 48V power switch with a short time duration soft-start. Occasionally a MOSFET dies. Would you please tell me why?

The input and output MOSFETs of the switch are protected by

• 48V TVS's (Infineon, P/N 824520481, 600W, Vclamp = 77.4Vpk @ 10/1000usec 7.8A) to handle voltage pulses on turn-On, turn-Off, and with motors turning On and Off. To prevent avalanche faults. 
  • The load is a bank of motor driver boards with a heavy capacitive load of 10,500uF total max, all MLCCs.
  • Average motor current is less than 7A with random load spikes lasting microseconds up to 16A peak.
• 400V/10A power diodes on the power output connectors to the motor boards, cathodes to the +48V supply input
• The soft-start is a very short duration right now since I didn't want to risk over heating the power MOSFETs and didn't know everything I'd eventually be powering with their own power reset periods. In other words, a normal design. 🙂 

Any suggestions for improvements? The back-to-back approach was used so I didn't back-power something else on the same +48V supply when shutting things down.

Thanks.

I want to use a three level booster  with 12V-48V  battery voltage to boost voltage up to 400 volts.  A 400 volts input can also be used to charge the battery. I have enclosed simulation diagrams. Please let me know if lead acid battery will be able to withstand 200 volts negative voltage. Thanks.

Hello,

I contact you about the obsolete reference INFINEON BSP298

Can you tell me what is the difference between a BSP298H (BSP298H6327XUSA1 for example) and BSP298L (BSP298L6327HUSA1 for example) ?

Thank you.

Regards,