– 5–20 –
5.15.4. Voltage Regulation
Each power source is specified as follows.
8
VRDBB: Power supply for G2
Voltage 1.5
V
Current
120 mA max
Dropout
100 mV max (load max)
8
VRRAM: Power supply for SRAM and G2
Voltage
2.8 V
Current
50 mA max
Dropout
100 mV max (load max)
8
VRMEM: Power supply for flash memory, LCD and G2
Voltage
2.8 V
Current
60 mA max
Dropout
100 mV max (load max)
8
VRIO: Power supply for Melody and G2
Voltage
2.8 V
Current
100 mA max
Dropout
100 mV max (load max)
8
VRABB: Power supply for G2
Voltage
2.8 V
Current
50 mA max
Dropout
100 mV max (load max)
8
VRSIM: Power supply for SIM
Voltage
2.85 V
Current
10 mA max
Dropout
100 mV max (load max)
8
VRRTC: Power supply for SRAM and G2
Voltage
1.8 V
Current
30
µ
A max
Dropout
100 mV max (load max)
5.16. Battery Charging and Monitoring
5.16.1. Charging Current
The status of the LCD battery icon is determined by the value of VBATREG returned from IOTA, as indicated in the table:
Icon Status
Battery Pack
3 bar
3.795 V <
2 bar
3.727 V<
< 3.795 V
1 bar
3.619 V<
< 3.727 V
0 bar (Low voltage alarm)
3.53 V <
< 3.619 V
Содержание EBG60 - CELL PHONE
Страница 19: ... 5 2 5 1 2 RF Function Block Figure 5 1 RF Function Block Diagram ...
Страница 35: ... 5 18 5 15 POWER SUPPLIES 5 15 1 Introduction ...
Страница 77: ... 8 19 Modify Cable lose ...
Страница 89: ... 11 1 11 LAYOUT DIAGRAMS 11 1 Main PCB ...
Страница 90: ... 11 2 11 2 Key PCB ...