ST L6571 handbook

Update: 29 September, 2023

The L6571 is a high voltage half bridge driver with a built-in oscillator. The frequency of the oscillator can be programmed using an external resistor and capacitor. The internal circuitry allows the device to also be driven by an external logic signal. The output drivers are designed to drive external n-channel power MOSFET and IGBT. The internal logic ensures a dead time to avoid cross-conduction of the power devices. Two versions are available: L6571A and L6571B. They differ in the internal dead time: 1.25μs and 0.72μs (typical).

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Publication date: 09 August, 2012

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PDF Link: ST L6571 handbook PDF