Compal NBLB2 - On Board RTC Battery

NBLB2 Service Manual
74
Single Cell Capacity(mAH)
2350
2600
Dumb/Smart Battery
Smart Battery
(SMBus ver. 1.1.)
Smart Battery
(SMBus ver. 1.1.)
Cycle Life
70% after 300 cycles
70% after 300 cycles
Nominal Charging Voltage(V)
12.6
12.6
Nominal Charging Current(A)
2.74
3
Protection Function
OVP
UVP
OTP
OCP
OVP
UVP
OTP
OCP
1-2. Battery Connector Pin Assignment
Connector Male on M/B: TBD
Connector Female on Battery: SUYIN-200275MR009G180ZR
Pin No.
Symbol
Comments
1
BATT+
Batt+, Battery Positive Terminal.
2
BATT+
Batt+, Battery Positive Terminal.
3
ID
Identify pin(Note 1)
4
B/I
Battery-In Pin(Note 2)
5
SMC
SMBus clock interface I/O pin.
SMBus data interface I/O pin.
6
SMD
7
TS
Connect to thermister(Note 3)
8
GND
Battery Negative Terminal.
9
GND
Battery Negative Terminal.
Note﹡: 1. ID pin must be Pull Low with 1k RES.
2. The battery can be charged/discharged only while this pin is connected to
GND by the system.
3. Thermister: DTN-C103F3H-SYS115A (or 103AT2 equivalent).
The other thermister Pin is connected GND.
3.11.2 On board RTC battery
Maxell ML1220T13 3V/14mAH Lithium
Sanyo ML1220T28 3V/15mAH Lithium
Panasonic ML1220/B 3V/17mAH Lithium