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RM-57/58
System Module
Charger connector and charging interface connections & electrical characteristics
Pin
Signal
1
Vchar
2
Charge GND
Description
Parameter
Vchar
V Charge
Vchar
I Charge
Charge GND
Threshold for
V
MSTR+
charging, rising
(TAHVO)
Threshold for
V
MSTR-
charging,
falling (TAHVO)
Issue 1
Figure 115 Charger connector
Table 21 Charging interface connections
I/O
In
Table 22 Charging IF electrical characteristics
Min
0
2.1
1.9
Company Confidential
Copyright ©2005 Nokia. All Rights Reserved.
Engine connection
Tahvo
VCharIn1, 2
Ground
Max
Unit
9
V
0.85
A
0.85
A
V
V
Nokia Customer Care
Notes
Charging
voltage /
charger
detection,
Center pin
Charger ground
Notes
Center pin
Center pin
Typical value
Typical value
Page 9–33
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