Part Number:CSD87350Q5D
Hi Sir,
Our customer used the CSD87350 with TPS40170 for buck application,
But have some CSD87350 Damage, High side MOS is good Low side MOS D to S is short.
We are check VSW have overshoot 35.2V, We will Fine-tuning Rboot/Rgate/Snubber with customer.
But end customer need some data to Clarify this issue need your support, Thanks.
Q1:If this issue is from Avalanche Breakdown,
How many VDS will damage CSD87350? 30V or 27V or other level?
If VDS over this level How many time of this Pulse will damage? please share the Calculation formula for me.
Q2:If this issue is from temperature, How many temperature of flash time will damage? or Pulsed current of time will damage?
Q3:If this issue is form body diode Damage, can you share some damage condition for me?
Q4:If this issue is form ESD, Can you share the some suggest for me?
