Description
The DigiTune DBW Throttle Driver is a standalone module capable of controlling a drive by wire throttle with high speed and precision.
Position demand input can be taken from any of the following sources:
- Pedal position sensor
- CAN siganal from ECU
- Digital PWM signal from ECU (5V, 12V or Low Side Driver)
Features:
- USB-C port for connection/configuration
- Fully configurable with pedal to throttle position mapping
- Auto Calibration through software
- 4kHz control loop for high precision control
- 10A current rating ensures maximum performance with all throttles
- Can also be used for DBW bypass valve control
The configuration interface is shared with the DigiTune Fusion (an IO expander capable of controlling two DBW throttle bodies)
DigiTune Fusion Configurator Application Download
Pin Numbering:
Note orientation in the image above!
| Pin | Function | Suggested Use | Required for standalone | Required for CAN controlled | Required for PWM controlled | Required for standalone with idle control |
| 1 | DBW + | Throttle motor + | Yes | Yes | Yes | Yes |
| 2 | Ground | Power Ground (Chassis) | Yes | Yes | Yes | Yes |
| 3 | CAN High | Canbus communication | No | Yes | No | No |
| 4 | CAN Low | Canbus communication | No | Yes | No | No |
| 5 | Analogue Out 1 | Optional position output to ECU | No | No | No | No |
| 6 | Analogue Out 2 | Optional position output to ECU | No | No | No | No |
| 7 | Digital Out 1 | Optional status pin | No | No | No | No |
| 8 | Digital Out 2 | Optional status pin | No | No | No | No |
| 9 | Digital In 1 | PWM position demand or position modifier | No | No | Yes | No |
| 10 | Digital In 2 | Optional map select | No | No | No | No |
| 11 | DBW – | Throttle motor – | Yes | Yes | Yes | Yes |
| 12 | 12V | 12V Power | Yes | Yes | Yes | Yes |
| 13 | 5V | 5V output to Throttle position sensor | Yes | Yes | Yes | Yes |
| 14 | Analogue Input 1 | Position input 1 from throttle | Yes | Yes | Yes | Yes |
| 15 | Analogue Input 2 | Position input 2 from throttle | Yes | Yes | Yes | Yes |
| 16 | Ground | Signal ground to throttle postition sensor | Yes | Yes | Yes | Yes |
| 17 | 5V | 5V output to pedal position sensor | Yes | No | No | Yes |
| 18 | Analogue Input 3 | Position input 1 from pedal | Yes | No | No | Yes |
| 19 | Analogue Input 4 | Position input 2 from pedal | Yes | No | No | Yes |
| 20 | Ground | Signal ground to pedal postition sensor | Yes | No | No | Yes |





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