UCC37324: Using the UCC37324 to drive PMSM (inverter)

Donald Wright

Part Number: UCC37324
Other Parts Discussed in Thread: UCC27712,

Hi, I would like to use the UCC37324 chip to power or drive a PMSM that we have design. However, we need to develop a specific design since the motor is a dual-stator with different winding inductance. We like this chip because it's a DIP format. However, I'm not expert enough to determine if this chip, will be able to handle up to 250Vdc link on the MOSFETs or IGBTs sides, I was unable to find any information on this matter. For example, it's very clear in the data sheet of the UCC27712.

Also, since the UCC37324 seams to have no boostrap and if it's capable to be use in an inverter, then the inverter would need to be driven-design in bipolar scheme, right?

Thanks,

Donald W.
Openvolta project

over 5 years ago

0 Mamadou Diallo over 5 years ago

TI__Genius 13445 points

Hi DOnald,

Thanks for your interest in our driver.

UCC37324 is single channel low-side driver (both channels driving MOSFETs referenced to GND) while your design requires a gate driver capable of driver 2 switches in a half-bridge topology (please correct me if I am wrong!).

The link below are some drivers along with UCC27712 (that you mentioned) capable of driving FETs at such bus voltages.

http://www.ti.com/power-management/gate-drivers/half-bridge-drivers/products.html#p3162max=121;700

The devices on the link should be a good starting point and will use bootstrap circuitry to provide bias to the high-side gate.

The document below will help you size the bootstrap components appropriately according to your MOSFETs/IGBTs of choice.

http://www.ti.com/lit/an/slua887/slua887.pdf

Regards,

-Mamadou