SLUSFB0 August 2024 BQ25758S
PRODUCTION DATA
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In order to maintain a minimum operating voltage on the system rail, the input under-voltage threshold can be programed with the ACUV pin as VVACUV = VREF_ACUV (refer to Section 7.3.3.1). The device also features an internal under-voltage protection preset at VVAC_OK. When the input voltage falls below the higher of these two thresholds, the device disables the controller. During input under-voltage, an INT pulse is asserted to signal the host, and the VAC_UV_STAT, and _FLAG bits are set. Additionally, the PG_STAT bit is cleared and the PG pin pulls HIGH. The device automatically resumes operation when the under-voltage condition goes away.