About SABBI.1

SABBI.1 · 2020-02-13

Thank you for sharing schematic. I see that your solution requires relay directly connected to +Vin. This is unusual for safety but for sure allowed. Relay connected to +Vin do not requires half bridge configuration on L99MC6. Low side configuration ...

SABBI.1 · 2020-02-11

Good morning,L99MC6 is supposed to be power up with proper sequence. When high side driver is used, drain of channel 1 I used internally as power supply (battery). If high side is not used, DRN1 can have any voltages BUT charge pump must be disabled...

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Re: We are running into an L99MC6 caution (lowest caution on page 12 of Doc ID 16523 Rev 1) where our +13.8V supply is bleeding back through relay coils to source outputs and elevating the 3.3V Vcc supply before the charge pump seems to ramp up). Workarounds?

Re: We are running into an L99MC6 caution (lowest caution on page 12 of Doc ID 16523 Rev 1) where our +13.8V supply is bleeding back through relay coils to source outputs and elevating the 3.3V Vcc supply before the charge pump seems to ramp up). Workarounds?