PRS-505
38
MAIN BOARD IC401 SN412005RHLR (CHARGE CONTROL)
Pin No.
Pin Name
I/O
Description
1
LDO
O
Power supply (+3.3V) output terminal
2
STAT1
O
Charge state signal output to the sub CPU and LED drive signal for CHARGE indicator
3
STAT2
O
Charge state signal output to the sub CPU
4
AC
I
Power supply input from the AC adaptor
5, 6
BAT
I/O
Power supply voltage input from the rechargeable battery or charge voltage output to the
rechargeable battery
7
ISET2
I
Charge current setting siganal input from the sub CPU "L": 100 mA, "H": 500 mA
Fixed at "H" charging voltage in this set
8
PSEL
I
Charge source selection siganal input terminal "L": USB (pin 20), "H": AC (pin 4)
Fixed at "H" charging voltage in this set
9
CE
I
Chip enable signal input terminal Not used
10
ISET1
O
Setting terminal for AC input charge current and AC precharge/termination
11
VSS
-
Ground terminal
12
TS
I
Thermal detection signal input terminal
13
DPPM
I
Setting terminal for the dinamic power pass management
14
TMR
I
Timer program input terminal (Becomes impossible to do safety timer and charge
termination when connecting LOD (pin 1))
15 to 17
OUT
O
Power supply voltage output terminal
18
XACPG
O
External DC power state detection signal output to the sub CPU
"L": external DC power on
19
XUSBPG
O
USB power state detection signal output terminal Not used
20
USB
I
Charge voltage input terminal from the USB connector
21
GND
-
Ground terminal
Summary of Contents for PRS-505
Page 52: ...PRS 505 MEMO 52 ...
Page 73: ...MEMO PRS 505 21 ...
