Preliminary Preliminary User's Manual l TQMaX4XxL UM 0001 l © 2022, TQ-Systems GmbH
Page 19
3.2.11
Power supply
3.2.11.1
Main power supply
The main supply of the TQMaX4XxL is defined to typ. 5V. By applying the 5V voltage the module generates all required voltages.
Figure 15:
Block diagram power supply
3.2.11.2
Overview TQMaX4XxL supply
The following table shows all relevant supply voltages of the TQMaX4XxL.
Table 11:
Supply voltages
Module pin / Signal
Voltage
Current
Use
V_5V_IN
4.75 V to 5.25 V
TBD
Input: module supply
V_3V3
3.28 V to 3.36 V
max. 100 mA
Output
V_1V8
1.78 V to 1.82 V
max. 100 mA
Output: for boot configuration
V_VDDSHV5
1.8 V / 3.3 V
< 10 mA
Output: MMC1 IO-Bank supply
V_RTC_IN
1.8 V to 5.5 V
TBD
Input: supply for module RTC
V_VPP
1.8 V
max. 400 mA
Input: supply for eFuse programming
USB0_VBUS
typ. 5 V
< 1 mA
Input: Used to detect the USB-VBUS voltage and is usually
supplied with the VBUS voltage switched by the USB host.
External circuitry is required (3).
