SLVSEI1C June 2019 – October 2020 TPS62864 , TPS62866
PRODUCTION DATA
The device is enabled by setting the EN pin to a logic High. In shutdown mode (EN = Low), the internal power switches as well as the entire control circuitry are turned off, and all the registers are reset, except for the Enable Output Discharge bit. Do not leave the EN pin floating.
In shutdown mode (EN = Low), all registers cannot be read and written by the I2C interface.
The typical threshold value of the EN pin is 0.61 V for rising input signals, and 0.51 V for falling input signals.
The device is also enabled or disabled by setting the bit, Software Enable Device in CONTROL register while EN = High. After being disabled/enabled by this bit, the device stops switching and has a new start-up beginning with tRamp. There is no TDelay time and the registers are not reset.