PT4115

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PT4115

  • PT4115, current setup is
parrel resistors of two 0.4 R Rp1 = 1/(1/0.4R+1/0.4R) = 0.2R
parral resistors cominbine of Rp1 and 0.5R Rp2 = 1/ (1/Rp1 + 1/0.5R) = 1 / (5+2) = 0.143R
Icur = 0.1 / 0.143R = 700MA
  • More setup - parallet to Pin CSN for R1+R2+3
R1 R2 R3 R current
0.4 0.4 0.5 0.143R 700mA
X 0.4 0.5 0.222R 450mA
0.4 0.4 X 0.2R 500mA
0.33 0.5 0.5 0.1363636364 733 mA (default setup)

Resistor setup for our board

  • Icurrent = 0.1/Rcs
R1 ohm R2 ohm R3 ohm Total resistor ohm current supply
0.33 0.33 or 0.5 0.5 0.124 ohm 800 / 700 mA (default)
0.33 NC remove 0.5 0.199 ohm 500mA
0.33 NC remove NC remove 0.303 ohm 300mA
NC remove NC remove 0.5 0.5 ohm 200mA
R1 ohm R2 ohm R3 ohm Total resistor ohm current supply
0.2 0.5 1 0.125 800mA (default)
0.2 0.5 - 0.143 ohm 700mA
0.2 - 1 0.167 ohm 600mA
0.2 - - 0.2 ohm 500mA
- 0.5 1 0.333 ohm 300mA