3558dd69-0ad1-42b2-9060-a806edbaecce 18 Davide Carpi 4 5 false false 0 0 decimal

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Gate Driver Peak Current Calculation

Switching Frequency

Fsw 250 kHz * :

High-Side Voltage

VH 18 V * :

Low-Side Voltage

VL 5 - (V * :

Q1 FET Ron

Rds_on_Q1 1.25 ohm * :

Q2 FET Ron

Rds_on_Q2 1 ohm * :

External Gate Resistor

Rgate_ext 10 ohm * :

Internal Gate Resistor

Rgate_int 2.5 ohm * :

Gate Resistor

Rgate Rgate_ext Rgate_int + (: 12.5 Ω *

Input Capacitance

Ciss 1620 pF * :

t Vgate VH VL VH - (t Rgate Rds_on_Q1 + (Ciss * / - exp * + :

1 s * Vgate 18 V *

VH 18 V *

t ns * Vgate VH 0.99 * ≡ t 01000 solve 108.0403

x ns * Vgate VH 2 1 sys