Read Sony NW-E002 / NW-E002F / NW-E003 / NW-E003F / NW-E005 / NW-E005F Service Manual online
Copying is strictly prohibited
16
Power Control IC601 outputs the status signals shown in Table.3-3 while charging. System Controller IC101 monitors whether IC601 is charging or not.
Table.3-3 Status signal
IC601 pin-9 [XCHG_STAT]
Status
L
When charging
Open
When the charging operation terminates
or
Error Status
or
Error Status
Battery is not connected
Detecting the abnormal temperature
Detecting the timer fault
Etc.
Table.3-4 Monitoring the charging operation by System Controller IC101
IC101 pin-103 [CHG_XING] (JL605)
Status
L
When charging
H
When the charging operation terminates or the above error occurs
Table.3-5 Charging Current
Power Source
Pre-charging
(Until BATT voltage becomes 3[V])
(Until BATT voltage becomes 3[V])
Constant-Current Charging
Remark
USB (500mA – Permit)
Approx. 50mA
Approx. 475mA
Varies depending on conditions. The left
values are when the unit is connected to
PC without data transfer
values are when the unit is connected to
PC without data transfer
USB (100mA – Permit)
Approx. 50mA
Approx. 95mA
Varies depending on conditions.
Note:
The actual charging current of USB charge varies depending on the system conditions. It will be as follows.
[Each VBUS limit current] – [Current consumed by the system] = [Actual charging current]
[Each VBUS limit current] – [Current consumed by the system] = [Actual charging current]
Click on the first or last page to see other NW-E002 / NW-E002F / NW-E003 / NW-E003F / NW-E005 / NW-E005F service manuals if exist.