Youhao,
I have recently also noticed that the IC in the circuit is the M variation not the R variation and thus instead if an RT pin it has a mode/sync pin. Could this be the potential issue leading to the damaged IC? See picture below and datasheet…
hi, Kiran,
If the normal input voltage is 36V I suggest a 60V grade buck and leave some buffer.
LMR36015-Q1 4.2-V to 60-V, 1.5-A ultra-small synchronous step-down converter
LMR38020-Q1 Automotive SIMPLE SWITCHER® power converter 4.2-V to 80-V, 2…
Part Number: LMQ66430-Q1 Other Parts Discussed in Thread: LMQ66430 , LMQ66420 Hi Expert,
Could you help to review the schematic for LMQ66430-Q1?
1.LMQ66430
輸入電壓Vin 12V
輸出電壓Vout 3.6V
Choke 2.2uH (Isat 5A)
power budget 2A
2.LMQ66430
…