Power Distribution - Nokia 301 Service Manual

RM-839; RM-840; RM-841
System Module
Figure 44 Clock distribution

Power distribution

Quark power supply domain is supported by power supply unit of XG614, MAX8939B PMU chipset, dual SIM
card controller LFH1001 and main battery.
XG614 support below power supplies (with typical output voltage and max. output current).
• VSD_1V8: SMPS Buck, 1.8V, 500mA
• VCORE: SMPS Buck, 1.2V, 500mA
• VSIM: LDO, 1.8V, 70mA
• VPLL: LDO, 1.35V, 30mA
• VMIPI: LDO, 1.2V, 60mA
• VUSB: LDO, 3.1V, 40mA
• VRTC: LDO, 2.3V, 7mA
• VPMU: LDO, 1.3V, 15mA
• VANA1: LDO, 1.3V, 20mA
• VANA2: LDO, 2.5V, 70mA
• VRF1: LDO, 2.85V, 180mA
• VRF2: LDO, 2.85V, 60mA
MAX8939 support below power supplies (with typical output voltage and max. output current).
• VAUX: LDO, 2.8V, 100mA
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