Fuel injector control systems and methods

A fuel injector control system of a vehicle, comprising:

• an injector driver module that includes:
• a first node that is connected to a first terminal of a fuel injector;
• a first switch configured to:
• when closed, connect a first potential of a battery to the first node that is connected to the first terminal of the fuel injector;
• and
• when open, disconnect the first potential from the first node that is connected to the first terminal of the fuel injector;
• a second switch configured to:
• when closed, connect a second potential that is greater than the first potential to the first node that is connected to the first terminal of the fuel injector;
• and
• when open, disconnect the second potential from the first node that is connected to the first terminal of the fuel injector;
• a second node that is connected to a second terminal of the fuel injector;
• and
• a third switch configured to:
• when closed, connect a ground potential to the second node that is connected to the second terminal of the fuel injector;
• and
• when open, disconnect the ground potential from the second node that is connected to the second terminal of the fuel injector;
• a switch control module configured to, starting at a target injecting timing for a fuel injection event of the fuel injector:
• maintain the third switch closed;
• and
• switch the second switch using a pulse width modulated (PWM) signal having (i) a duty cycle that is less than 100 percent and (ii) a predetermined frequency.