Java 2 Ada

LPS Hardware Connectors

Version 1 by Stephane Carrez

This page describes the connectors of the hardware boards.

Rectifier Board

The rectifier board is connected to the power supply microcontroller board for the control and measurement of the output current. For the power distribution it has several one wire high power connectors (not described here).

1IS11MOSFET driver current selector 0.22 ohm (active low)Power supply 1
2IS12MOSFET driver current selector 0.66 ohm (active low)
3RE1Power supply relay selector (active high)
4Io1Output current measure
5-5V
6gndrefGround reference for current measurement
7gndrefGround reference for current measurement
8+24V
9Io2Output current measurePower supply 2
10RE2Power supply relay selector (active high)
11IS22MOSFET driver current selector 0.66 ohm (active low)
12IS21MOSFET driver current selector 0.22 ohm (active low)

Positive Voltage Regulator Board

The positive voltage regulator board is connected to the power supply microcontroller board for the control and measurement of the output voltage. For the power distribution it has several one wire high power connectors (not described here).

VOUTSENSE

1VOUT1Output voltage 1 sensor (must be connected to the LPS box output connector)
2GNDREFOutput ground reference (must be connected to the LPS box output ground)
3VOUT2Output voltage 2 sensor (must be connected to the LPS box output connector)

SUPPLYCONTROL

1VREF1Input voltage reference (generated by the power supply microcontroller board; range 0..5V)Output supply 1
2VMEAS1Output voltage measurement (range 0..5V)
3ILOAD1Input load reference (generated by the power supply microcontroller board; range 0..5V)
4GNDREFGround reference (connected to LPS box output ground via VOUTSENSE)
5ILOAD2Input load reference (generated by the power supply microcontroller board; range 0..5V)Supply 2
6VMEAS2Output voltage measurement (range 0..5V)
7VREF2Input voltage reference (generated by the power supply microcontroller board; range 0..5V)

SUPPLYn

1VBASEnControls the output power transistor (Base)
2IDRAINnFeedback for output load current
3VOUTnOutput voltage (safeguard if VOUTSENSE is not connected)
4IBASEnControls the output load transistor (Base)

LCD Panel

1GND
2VROTRotative wheels output voltage
3VBUTTONButtons output voltage
4LCD_BACKLIGHTLCD backlight driver (active high)
5LED_1LED supply 1 (active high)
6LED_2LED supply 2 (active high)
7LED_3LED supply 3 (active high)
8LED_4LED supply 4 (active high)
9LCD_CLKLCD serial clock
10LCD_DLCD serial data
11LCD_CSLCD chip select (active low)
12+5V