Battery Connector And Interface Connections & Electrical Characteristics - Nokia RM-42 Service Manual

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Description Parameter
Vchar V Charge
Vchar I Charge
Charge GND
Threshold for V
MSTR+
charging, rising
(TAHVO)
Threshold for V
MSTR-
charging,
falling (TAHVO)
Battery connector and interface connections & electrical characteristics
Pin
1 VBAT
2 BSI
3 GND
Description
Operation voltage
Current rating
Internal interfaces
Name of Connection
Fold unit connector
Page 9–36
Table 20 Charging IF electrical characteristics
Min
0
2.1
1.9
Figure 119 Battery connector
Table 21 Battery interface connections
Signal I/O
->
->
Table 22 Battery IF electrical characteristics
Parameter
V
IN
I
IN
Connector reference
X4400
Company Confidential
Copyright ©2005 Nokia. All Rights Reserved.
Max Unit
9 V
0.85 A
0.85 A
V
V
Engine connection
Retu VBAT
Retu BSI
GND
Max
4.23
0.9
Notes
RM-42
System Module
Notes
Center pin
Center pin
Typical value
Typical value
Notes
Battery voltage
Battery size
indication
(fixed resistor
inside the
battery pack)
Ground
Unit
VDC
A
9241872 (Issue 1)