How to Tune idcmax on ZombieVerter VCU

Maximum DC current draw (acceleration). Set to battery's max discharge rating.

Quick Reference

Param ID

Unit

Range

0 — 5000

Default

5000

🔍 See a sample config →

📖 What Does It Do?

Maximum DC current draw (acceleration). Set to battery's max discharge rating.

🎯 Recommended Values

Default value: 5000

Valid range: 0 to 5000

Inverter-Specific Recommendations

Leaf Gen1/2/3 400

GS450H 300

GS300H 300

Outlander 500

Rear Outlander 500

Prius Gen3 300

OpenInverter 200

User CAN 200

Tuning Strategy

Start with the default value and adjust in small increments. Monitor vehicle behavior after each change before making further adjustments.

💡 Tuning Tips

Leaf OEM: ~400A

GS450H: ~300A

Start at 300-500A and watch voltage sag.

⚠️ Too high = battery voltage sags = udcmin derating kicks in.

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🔗 Related Parameters

Other parameters in the Battery & HV category that work together with idcmax:

udcmin

Minimum DC voltage. Power is reduced below this.

udclim

Maximum DC voltage during regen. Set to your pack's max charge voltage.

idcmin

Maximum DC regen current. Must be NEGATIVE for regen to work!

tmphsmax

°C

Maximum heatsink temperature before power reduction.

tmpmmax

°C

Maximum motor temperature before power reduction.

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