Syvecs LTD GDI12 Channel GDI Driver Owner’s Manual
- June 9, 2024
- Syvecs LTD
Table of Contents
Syvecs LTD GDI12 Channel GDI Driver Owner’s Manual
GDI12 Driver
This document is intended for use by a technical audience and describes a
number of procedures that are potentially hazardous. Installations should be
carried out by competent persons only.
Syvecs and the author accept no liability for any damage caused by the
incorrect installation or configuration of the equipment.
Please Note that due to frequent firmware changes certain windows might not be
the same as the manual illustrates. If so please contact the Syvecs Tech Team
for Assistance.Support@Syvecs.com
The Syvecs 12 Channel GDI Driver allows 12 GDI Injectors to be driven all from
one box, designed to work with all GDI
Solenoid injectors including parts from VAG Group, Ford, GM and Bosch via
Updatable Software which can be flashed to the
Unit via a USB in the field BUT as the unit is sealed on shipping its best
best done at build-time before shipping.
Designed to work with all types of Engine Management system, the input stage
of the driver for each GDI Injector output can receive either IGBT (Pull to
Ground) or TTL (5v).
Packaged in a lightweight CNC billet aluminium case with a waterproof 35way
AMP Connector.
Default Configuration = 10Amps Boost @ 65v, 6Amps Peak, 4Amps Hold
Maximum available current 20Amps
Adjustment of any of the following parameter can be done to suit any Solenoid
Injector.
| Parameter | Description |
|---|---|
| Boost | Current threshold in Boost Phase |
| Peak | Current threshold in Peak Phase |
| Hold | Current threshold in Hold Phase |
| Peak_Off | Fixed time for high side switch off in Peak phase |
| Peak_TOT | Fixed time for end of Peak phase |
| Bypass | Fixed time for Bypass phase |
| Hold_Off | Fixed time for high side switch off in Hold phase |
| Hold_TOT | Fixed time for end of Hold Phase (timeout) |
Each High Side Driver output has a current sensor present in the circuit which means that 2 injectors can’t be driven at the same time on each High Side output so it’s important to assign the firing points of each Injector carefully.
Example1: V10 Engine with Firing order – 1, 6, 5, 10, 2, 7, 3, 8, 4, 9
Best to Assign as below where the spacing between each Injector on one High
side is 360 which is more than enough required injection time for a Direct
injection engine.
HS1,2 – Injector 1 and 7
HS3,4 – Injector 6 and 3
HS5,6 – Injector 5 and 8
HS7,8 – Injector 10 and 4
HS9,10 – DI Pump1 & 2 as Default HS11, 12 – – Injector 2 and 9
Example2: V6 Engine with Firing Order – 1, 2, 3, 4, 5, 6
HS1,2 – Injector 1 & 4 HS3,4 – Injector 2 HS5,6 – Injector 3 HS7,8 – Injector
5
HS9,10 – DI Pump1 & 2 as Default HS11, 12 – Injector 6
Pinouts
| Pin | Name | Notes |
|---|---|---|
| 1 | LS1 | Injector Low Side Output 1 |
| 2 | LS2 | Injector Low Side Output 2 |
| 3 | LS3 | Injector Low Side Output 3 |
| 4 | LS4 | Injector Low Side Output 4 |
| 5 | LS5 | Injector Low Side Output 5 |
| 6 | LS6 | Injector Low Side Output 6 |
| 7 | LS12 | Injector Low Side Output 12 |
| 8 | LS11 | Injector Low Side Output 11 |
| 9 | LS10 | DI Pump2 Low Side Output / Injector Low Side Output 10 |
| 10 | LS9 | DI Pump1 Low Side Output / Injector Low Side Output 9 |
| 11 | LS8 | Injector Low Side Output 8 |
| 12 | LS7 | Injector Low Side Output 7 |
| 13 | Input 1 | Output 1 Input Signal (IGBT Signal Required as Default) |
| 14 | Input 2 | Output 2 Input Signal (IGBT Signal Required as Default) |
| 15 | Input 3 | Output 3 Input Signal (IGBT Signal Required as Default) |
| 16 | Input 4 | Output 4 Input Signal (IGBT Signal Required as Default) |
| 17 | Input 5 | Output 5 Input Signal (IGBT Signal Required as Default) |
| 18 | KLINE | Diagnostics for Internal Use |
| 19 | Input 11 | Output 11 Input Signal (IGBT Signal Required as Default) |
| 20 | Input 10 | Di Pump2 Input Signal / Output 10 Input Signal |
| 21 | Input 9 | Di Pump1 Input Signal / Output 9 Input Signal |
| 22 | Input 8 | Output 8 Input Signal (IGBT Signal Required as Default) |
| 23 | Input 7 | Output 7 Input Signal (IGBT Signal Required as Default) |
| 24 | VBAT1 | 12V Supply for HS Outputs 1-6 |
| 25 | HS1,2 | High Side Injector + to Pair with Outputs 1,2 Low Side |
| 26 | PWRGND | Ground – Must be Connected |
| 27 | HS3,4 | High Side Injector + to Pair with Outputs 3,4 Low Side |
| 28 | HS5,6 | High Side Injector + to Pair with Outputs 5,6 Low Side |
| 29 | Input 6 | Output 6 Input Signal (IGBT Signal Required as Default) |
| 30 | Input 12 | Output 12 Input Signal (IGBT Signal Required as Default) |
| 31 | HS11,12 | High Side Injector + to Pair with Outputs 11,12 Low Side |
| 32 | HS9,10 | DI Pump2 High Side / High Side Injector + to Pair with Outputs |
9,10 Low Side
33| PWRGND| Ground – Must be Connected
34| HS7,8| High Side Injector + to Pair with Outputs 7,8 Low Side
35| VBAT2| 12V Supply for HS Outputs 7-12
Read More About This Manual & Download PDF:
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>