SLVSHK7A March 2025 – December 2025 TPS65214
PRODUCTION DATA
First Supply detection (FSD) allows power-up as soon as supply voltage is applied, even if EN/PB/VSENSE pin is at OFF_REQ status. FSD can be used in combination with any ON-request configuration, EN, PB or VSENSE, and is enabled by setting bit PU_ON_FSD in register MFP_2_CONFIG. At first power-up the EN/PB/VSENSE pin is treated as if the pin had a valid ON request. Once VSYS is above the VSYSPOR_Rising-threshold, the PMIC
To signify the power-up based on FSD, the device sets bit POWER_UP_FROM_FSD in POWER_UP_STATUS_REG register. The nINT-pin does not toggle based on this bit. Write W1C to clear the bit.
The EN/PB/VSENSE-pin is treated as if the pin had a valid ON-request until valid entry into the ACTIVE state (at the expiration of the last slot in the power-up-sequence). Following entry into the ACTIVE state, the device adheres to post-deglitch EN/PB/VSENSE-pin-status: if pin status has changed prior to entering ACTIVE state or in ACTIVE state, the device does adhere to the pin state. For example, if the EN/PB/VSENSE-pin is configured for EN, the device does power down in case the EN-pin is low (for longer than the deglitch time) at the time the device enters ACTIVE state. The duration for how long the ON-request is considered valid, regardless of the pin-state, can be controlled by length of nRSTOUT slot (and empty slots thereafter), as the PMIC enters ACTIVE state only after the last slot of the sequence expired.