User Manual

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CL5ADAH2Z
Confidential
2020.11.05 rev.1.1
3.3.5. AUX_ADC4 (BOOST_EN) Pin
Output signal to enable the external DCDC for VBAT_FEM power.
When AUX_ADC4 (BOOST_EN) pin is to be high, the external DCDC wakes up.
Then VBAT_FEM also wakes up.
Table8 Two States of AUX_ADC4 (BOOST_EN) Pin
Figure9 connections of the AUX_ADC4 (BOOST_EN) Pin
Item Pin state Description
1 High
Enable
2 Low
disable