LM25145: Regarding the evaluation module (EVM) for evaluating the LM25145.

Kyohei

Expert 1440 points

Part Number: LM25145
Other Parts Discussed in Thread: LM5145, LM5146

Tool/software:

Hi team,

I searched for an EVM for the LM25145 but couldn't find one.

When checking the product folder, the LM5145EVM is recommended for purchase.

Since the LM5145 is a similar IC, I plan to proceed with evaluation using the LM5145EVM.

The main difference between the LM25145 and LM5145 is the input voltage range, and I believe their configurations are essentially equivalent, correct?

Also, the output voltage of the LM5145EVM is set to 5V.

By changing the feedback resistor divider ratio, it should be possible to verify operation at "input 24V → output 21.5V, 7A," correct?

Best regards,

Kyohei

1 month ago

0 Ridge Lahti 1 month ago

TI__Mastermind 22260 points

Hello,

Yes, the device configuration will be the same.

You can change the feedback divider on the EVM.

Best regards,

Ridge

0 Timothy Hegarty 1 month ago in reply to Ridge Lahti

TI__Guru 73572 points

Kyohei,

You might also consider the LM5146 EVM, which is setup for 12V/8A/400kHz. This is closer to your specs, although it uses 100V FETs. Just adjust the Vout setpoint, remove the diode connecting VOUT to VCC, and check compensation with the quickstart calculator (as the effective Cout value will be lower at the higher Vout).

Regards,

Tim

Power management

Power management forum

LM25145: Regarding the evaluation module (EVM) for evaluating the LM25145.