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TIDM-02002: What are these IPRIM, IPRIM_TANK, IPRIM_TANK_2, ISEC_TANK, ISEC used for?

Wayne Huang
Genius 14355 points
Part Number: TIDM-02002

Champs,

I am asking this for our customer.

From the Figure 2. CLLLC Topology for Isolated DC-DC Converter in the doc (tidueg2.pdf), there are five current measurements.

Would you explain or clarify why you need these 5 signals?

IPRIM is for the control loop in forward direction, right?

ISEC is for the control loop in backward direction, right?

ISEC_TANK is for active synchronous rectifier in forward direction?

IPRIM_TANK2 is for active synchronous rectifier in backward direction?

IPRIM_TANK.... what is this used for? Why don't you measure it on the secondary side as symmetric use?

Wayne Huang