Charger Connector And Charging Interface Connections & Electrical Characteristics - Nokia RM-57 Service Manual

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
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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
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