Text preview for : 03.pdf part of Mitac 8640 Sevrice manual
Notebook Mitac 8640
Back to : note_mitac8640.rar | Home
5
4
3
2
1
POWER BLOCK DIAGRAM OF THE 8640A(mode1.2.3)
D
+1.8VS +5V_CD 5V DC to DC Convertor FAN5234 LDO SC1565-1.2V
+1.2VS
* OPTION(NO LINK) RTC REF_1.25V +1.2VS ICH3M DDR NV17-MAP 845M NV17-MAP M-P4 845M ICH3M ICH3M 4uA 2A ? 3.5A ? 40A 800mA 470mA
D
CPU_CORE_EN SUSB# +3V +3VS Shut Down MOSFET +5V Shut Down MOSFET +12V +12VS Shut Down MOSFET CPU_CORE +5VS
+1.5VS CPU_CORE +1.8VS +1.8V_ICH
64mA
PWR_ON
VDDR_MEM2.5 +3V
DDR NV17-MAP NV17-MAP ICH3M RTL8139CL IEEE1394 PCI4410 PCMCIA CARD ICH3M CLOCK NV17-MAP SIO LCD ICH3M MODEM PCMCIA CARD IDE ALC200 USBX2 H8 AUDIO AMP CD_ROM
4A ? ? 26mA 330mA 69mA 79mA 500mA 420mA 280mA ? 50mA 1.5A 14mA ? 500mA 900mA 40mA 4A 40mA 1A 1.5A
C
3.3V&5V&12V ADAPTOR Selfdischarge SWITCH I_Limit Rsense Diode Protector D/VMAIN DC to DC Convertor MAX1632
+3VS
+3V_ICH +5V +5VS
learning
C
Discharge Battery Pack
+5VA +5V_CD
Adaptor / Battery Change Switch Vcc Core DC to DC Convertor Celeron & DT for LTC1709EG-9 Mobile for LTC3716 Diode Protector DDR DC to DC Converter LTC3707 REF DC to DC Convertor CM8500
+1.8V Regulator SI4800-1.8V
SWITCH SI4800
+1.8VS
DDR_2.5V SWITCH SI4800 REF_1.25V +5VA
B
VDD_MEM2.5V SWITCH SI4800
+1.5VS
Charge
B
Always ADINP
Regulator LP2951-5V High Low Side Choke Rsense +5VA +3VA Regulator AME8800 +5VAS SWITCH SI2301
ADINP_2
LI_OVP
DCIN SW CC
H8 D/A A/D
A
CHARGING I_LIMIT
ADINP_1
D/A
CHG_I
PWM Charge IC MAX1772
+3VS CC CV
MUST BE MEET ICH2 POWER ON SEQUENCE
CHARGE SWITCH
Li-ovp
+2.8VS Regulator AME8801CEEV
A
Title
Power Block Diagram
Size Date:
5 4 3 2
Document Number
8640
Sheet 3 of 32
1
Rev 01
Wednesday, August 28, 2002
PDF created with FinePrint pdfFactory trial version http://www.fineprint.com