SLUSE91B September 2020 – January 2022 BQ769142
PRODUCTION DATA
The BQ769142 device includes registers with values that are stored in the RAM and can be loaded automatically from one-time programmable (OTP) memory. At initial power-up, the device loads OTP settings into registers that are used by the device firmware during operation. The recommended procedure is for the customer to write settings into OTP on the manufacturing line in which case the device will use these settings whenever it is powered up. Alternatively, the host processor can initialize registers after power-up without using the OTP memory, but the registers need to be reinitialized after each power cycle of the device. Register values are preserved while the device is in NORMAL, SLEEP, or DEEPSLEEP modes. If the device enters SHUTDOWN mode, all register memory is cleared, and the device will return to the default parameters (or the OTP configuration if that has been programmed) when powered again. See the BQ769142 Technical Reference Manual for more details.