MATEKSYS FCHUB-12S V2 Supports 8-60V DC input 5V 5A 12V 4A Regulators for XClass Quadcopter User Guide

MATEKSYS FCHUB-12S V2 Supports 8-60V DC input 5V 5A 12V 4A Regulators for XClass Quadcopter User Guide

LAYOUT

+ & – : LiPO & ESC power pads
8~60V (3~12S)

PDB: 4x70A cont. 4x110A burst.
5V: BEC 5V, 5A cont. 6A burst
12V: BEC 12V, 4A cont. 5A burst
3V3: LDO3.3V 500mA cont.
G: Ground

VBat: = Input voltage

Curr: current sensor signal, 440A range (0~3.3V)
INAV / BetaFlight current scale 75
ArduPilot BATT_AMP_PERVLT 133.3

TLM: for BLheli32 ESC telemetry, 5x TLM pads are all shorted together

S1/S2/S3/S4: ESC signal

1/21 VBat

1K:20K voltage divider
Output = 0~2.857V when VBat = 0~ 60V

INAV voltage scale: 2100
Betaflight voltage scale: 210
ArduPilot BATT_VOLT_MULT 21.0

“V” pad on JST-SH connector

12VSW & PIO

No output on “12VSW” pad by default if PINIO is not enabled

Any unused RX/TX/motor/PWM pad can be used for PINIO
e.g. connect PIO pad to “Rx3” of MATEK H743-SLIM

CLI resource to locate RX3 pin name
RX3 pad is D09
then

resource SERIAL_RX 3 none
resource PINIO 1 D09
set pinio_box = 42
save

pinio_box 40 user1, 41 user2, 42 user3, 43 user4

Go to modes tab and assign an AUX channel to the USER3 mode. Click SAVE.
Flip the switch and test

Wiring with MATEKSYS H743-SLIM

BetaFlight

CLI resource to locate RSSI pin name RSSI pin is C05 then

resource ADC_RSSI 1 none
resource ADC_BATT 1 C05
set vbat_scale = 210
save

INAV

CLI get adc to locate rssi_adc_channel rssi_adc_channel is 3 by default then

set rssi_adc_channel = 0
set vbat_adc_channel = 3
set vbat_scale = 2100
save

ArduPilot

BATT_VOLT_PIN 8
BATT_VOLT_MULT 21.0

Wiring with MATEKSYS F405-HDTE

BetaFlight

resource ADC_RSSI 1 none
resource ADC_BATT 1 C00
set vbat_scale = 210
save

INAV

set rssi_adc_channel = 0
set vbat_adc_channel = 3
set vbat_scale = 2100
save

Documents / Resources

| MATEKSYS FCHUB-12S V2 Supports 8-60V DC input 5V 5A 12V 4A Regulators for XClass Quadcopter [pdf] User Guide
FCHUB-12S V2 Supports 8 60V DC input 5V 5A 12V 4A Regulators for XClass Quadcopter, FCHUB-12S, V2 Supports 8 60V DC input 5V 5A 12V 4A Regulators for XClass Quadcopter
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References

• PDB FCHUB-12S for XCLASS – Matek Systems

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