Part Number: CSD18514Q5A Other Parts Discussed in Thread: LM25145 Hi team,
Could you please help me to calculate or simulate Rdson under VGS=7.5V and TJ=50C, 75C or 125C?
My customer is designing buck converter with LM25145. As they need to use Rdson sensing…
Part Number: CSD18514Q5A Hi team,
Please tell me the thermal resistance from junction to top (Psi-jt) for CSD18514Q5A.
Our customer want to estimate Tj from package case temperature.
Best Regards,
Part Number: CSD18514Q5A Hello,
We are designing with the CSD18514Q5A and had some questions on Figure 8 in the datasheet.
Should X-axis be Tc (case temp) or Tj (junction temp)?
Why is normalized Rds_on higher with Vgs=10V vs. Vgs=4.5V ? Shouldn’t it…
Hi Jimmy,
Thanks for the inquiry. Do the FETs need to be automotive qualified? If so, then TI does not have any auto-qualified FETs and we do not plan to qual any of our devices to automotive standards. I am including a link below for TI FET selection…
Hi Sagar,
Thanks for your inquiry. I am the applications engineer for TI's power MOSFETs. I'd recommend at least a 40V FET for 28V maximum input voltage. For 40V in a 5x6mm SON (QFN) package, the best cost/performance tradeoff is the CSD18514Q5A. For…
Part Number: LM25145 Other Parts Discussed in Thread: CSD18534Q5A , CSD18514Q5A , Hello, i have designed a schematich through webench tool for LM25145 regulator, my specs are:
Vin = 24V
Vout = 12V (about 6A current)
actually i have:
RT resistor = 11.2…
Hi Praveen,
1. I did a transient simulation of 35 msec. I measured the drain voltage and source voltage and the Id current with a probe, and then used this function: abs ((Vd-Vs)*Id). After that I did an average over 10 msec when the system reached its…
Hello!
I did a test.
[1]
I inserted a gate resistance of 47Ω into the low side FET.
There was no change in the waveform. FET is SiRA18BDP.
[2]
I exchanged it for a FET CSD18514Q5A with a large Qgd.
However, there was no change in the waveform.
…
Part Number: DRV8306 Other Parts Discussed in Thread: CSD18514Q5A I'm driving a BLDC 3 phase, and using the enable to turn the motor on/off. It appears to work most of the time, but every so often the IC blows up. It appears the damage is happening on…
Part Number: TPS2491 Other Parts Discussed in Thread: CSD18514Q5A , LM5069 Dear Specialists,
My customer is considering TPS2491 and has questions.
I would be grateful if you could advise.
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I am considering TPS2491 based on Reverse Voltage Protection…
