Compal ACY25 series, Service Manual

Page: 73 / 175

Charger
Controlled by NS87591 microprocessor from motherboard
Temperature sense capability for the battery (charge active between 0
℃
~ 40
℃
)
fast charge [2.5Amps-8cells(3900mAH), LiIon Battery when system off, approach
30W fast charge when system ON.(depend on system load)
Charging termination: check the Full_charged bit in Battery status of Smart
Battery.
When system turns off, the charging time from empty to full is 3.0 hrs typically
at room temperature.
Other battery services are presented by NS87591 microprocessor include
maximum charging timer, charging temperature range etc.
Charger power:
BATT++ Constant voltage mode: 16.8V
±
1%
Constant charger current mode:2.5A
±
10%-8cells(3900mAH)
Constant adapter current mode:3.20A
±
10%
OVER Current protection:
+5VALWP: 5.67~9.17A
+3.3VALWP: 5.23~8.73A
+CPU_CORE: 40~60A
OVER Voltage protection:
+5VALWP: V
0
+V
0
*(4~10%)
+3.3VALWP: V
0
+V
0
*(4~10%)
+CPU_CORE: V
0
+V
0
*12%
Short circuit protection:
latch mode for +5VALWP, +3VALWP, +CPU_CORE
auto recovery mode for +12VALWP
I/O
P1:Ac adapter input Jack socket
Pin 1: Adapter power return
Pin 2: Adapter power + input
Chapter 4-5