SLUSFB0 August 2024 BQ25758S
PRODUCTION DATA
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The REGN pin is driven by an internal regulator, and must maintain a voltage above REGN_OKZ for proper device operation. This is true both in forward mode and in reverse mode, and for the ADC to function in battery only mode.
If the internal regulator is overloaded externally, the pin voltage may drop. When REGN falls below REGN_OKZ threshold, the switching converter stops operation. When the fault is removed, the REGN voltage recovers automatically and switching resumes in either forward or reverse mode as configured before the fault.