Circuit configuration for driving an ignition coil
AssigneeInfineon Technologies AG
InventorsPaul Nance, Peter Sommer, Jenoe Tihanyi, Ludwig Leipold
Life of this patent
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Abstract
A circuit configuration for driving an ignition coil includes a first semiconductor switch having a load path connected in series with a primary winding of the ignition coil, and having a control electrode, which is driven in accordance with a first drive signal. The circuit configuration further includes a second semiconductor switch having a load path connected in parallel with the primary winding and having a control electrode, which is driven in accordance with a second drive signal.
Claims19
In combination with an ignition coil having a primary winding, a circuit configuration for driving the ignition coil, comprising:
- a first semiconductor switch having a first load path connected in series with the primary winding and having a first control electrode for driving said first semiconductor switch in accordance with a first drive signal;
- and
- a second semiconductor switch having a second load path connected in parallel with the primary winding and having a second control electrode for driving said second semiconductor switch in accordance with a second drive signal.
A circuit configuration for driving an ignition coil, comprising:
- a first semiconductor switch having a first load path to be connected in series with a primary winding of an ignition coil and having a first control electrode for driving said first semiconductor switch in accordance with a first drive signal;
- and
- a second semiconductor switch having a second load path to be connected in parallel with the primary winding and having a second control electrode for driving said second semiconductor switch in accordance with a second drive signal.
Dependencies are inferred from the claim text.