Part Number: LP8732-Q1 Other Parts Discussed in Thread: PEET-GUI Tool/software: I would like to know the minimum ON time(typ and max) for the step-down DCDC.
Hello Jay,
We have a tool for our sister product which is based upon the TPS6594, the efficiency is the same for both devices:
https://www.ti.com/tool/PEET-GUI
BR,
Nicholas
Part Number: LP87524J-Q1 Other Parts Discussed in Thread: PEET-GUI Hello TI team,
I am trying to calculate the Power dissipation for the PMIC IC.
I can calculate conduction losses by using the Rds-ON value mentioned in the datasheet.
But when I need to…
Hi Nagarjuna,
Typical rise / fall time of the LP8756-series PMIC or LP8752-series PMIC is around 1.5ns. Please note that it also depends on the PCB parasitics of the SW-node, but the value I provided is a typical value.
For efficiency calculations you can…
Part Number: LP87745-Q1 Other Parts Discussed in Thread: LP87745 , PEET-GUI Hi team
I need confirm the typical high-side minimum on time parameters to facilitate data analysis and calculation the virtual temperature of the Lp87745.
Hello Bala,
SW rise time is really a system dependent parameter (not only silicon) since PCB parasitics effect this value. But typically we have seen 3ns transition time (trise+ tfall combined).
For efficiency calculation you can use our https://www…
Hello Zirui,
You can use our Power Efficiency Estimator tool to calculate the input current.
https://www.ti.com/tool/PEET-GUI
Thanks.
Regards,
Tomi Koskela
Hello Sherry,
I am not familiar with this tool. We do have the efficiency tool, found here: https://www.ti.com/tool/PEET-GUI .
Can you provide a reference or example of the type of tool that you are looking for?
Thanks and Regards,
Chris
Hello,
Please refer to the Application curves found in section 11.2.2.
https://www.ti.com/lit/ds/symlink/tps6594-q1.pdf#page=359
Figure 11-4. BUCK Efficiency at 3.3 V or 5 V Input Voltage through Figure 11-11. BUCK Efficiency at different TA, Forced-P…