User Guide

Table 15 Charging IF electrical characteristics
Description Parameter Min Max Unit Notes
Vchar V Charge 0 9.3 V Center pin
Vchar I Charge 0.85 A Center pin
Charge GND 0.85 A
Threshold for
charging,
rising (N2300)
V
MSTR+
2.1 V Typical value
Threshold for
charging,
falling (N2300)
V
MSTR-
1.9 V Typical value
Battery connector and interface connections & electrical characteristics
Figure 82 Battery connector
Table 16 Battery interface connections
Pin Signal I/O Engine connection Notes
1 VBAT -> EM ASIC N2200 VBAT Battery voltage
2 BSI -> EM ASIC N2200 BSI Battery size
indication
(fixed resistor
inside the
battery pack)
3 GND GND Ground
Table 17 Battery IF electrical characteristics
Description Parameter Max Unit
Operation voltage V
IN
4.23 VDC
Current rating I
IN
0.9 A
Internal interfaces
Name of Connection Connector reference Notes
UI connector X4400
RM-49
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