Chapter 4 Dc-Dc Converter; Power - Compal JHL90 Service Manual

1.

Power

• 6 cells Li-Ion 18650 size smart battery Pack with 53.28Wh capacity
• 6 cells Li-Ion 18650 size smart battery Pack with 57.72Wh capacity
• 9 cells Li-Ion 18650 size smart battery Pack with 79.92Wh capacity
2. DC-DC CONVERTER
JHL90/91 Series Power System block diagram
90W/65W ADAPTER
VIN
AC/DC
GND
BATT+
BATT+
CNT1
CNT2
EC_SMCA
BATTERY
EC_SMDA
TS_A
GND
GND
DC/DC
GND
B+
+5VALWP
+3VALWP
+1.5VP
+1.8VP
(+VGA_CORE)
+1.05VSP
+CHGRTC
+CPU_CORE
+0.9VSP
(+1.8VSP)
+VSBP
RTCVREF
(+1.1VSP)
PMON
CHGVADJ
CLK_ENABLE#
SUSP
SUSP#
FSTCHG
51_ON#
CPU_VID[0...6]
ACOFF
H_DPRSTP#
VR_ON
H_PSI#
IREF
PM_DPRSLPVR
ADP_I
VGATE
BATT_TEMP
ACIN
MAINPWON
BATT_OVP
H_PROCHOT#
EC_SMB_DA1
EC_SMB_CK1
CLK_EN#
M/B
GND
INVERTER
B+
PWM
DISPOFF#
DAC
L
V
LCD
_D
JHL90 Service Manual
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V
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