Signal
From
To
Min
Nom
Max
Condi-tion
Note
BSI
UEMCLite
0
2.78
Analog input, Battery Size
Indicator Resistor, 100
kohm pull up to 2.78V
(VBB1).
BTEMP
UEMCLite
0
2.78
Btemp NTC Resistor, 100
kohm pull up to 2.78V
(VANA)
* Note! In BL-5C battery IF the BTEMP signal doesn’t exists. Temperature measurement is done on system
board with NTC resistor.
Figure 129 BL-5C battery connection order
Battery BL-5C
• Type: BL-5C
• Technology: Li-Ion, 4.2 V charging, 3.1 V cut-off
• Capacity: 970 mAh.
The BSI resistor is placed on the main PWB as the telephone supports only one battery capacity. Further a
BSI connection is added to the Flash interface. The battery temperature is measured by a NTC resistor placed
on the main PWB, opposite to the Battery. Battery pack has an impedance of 130 - 150 mΩ (0 – 45 °C).
Figure 130 BL-5C battery block
RM-291
Nokia Customer Care
System module
Page 8 –16
COMPANY CONFIDENTIAL
Issue 1
Copyright © 2007 Nokia. All rights reserved.
Содержание 2626 - Cell Phone - GSM
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