Battery - Nokia RH-64 Service Manual

Nokia Customer Care
Signal From
BSI
BTEMP
* Note! In BL-5C battery IF the BTEMP signal doesn't exists. Temperature measurement is done on system board
with NTC resistor.

Battery

• Type: BL-5C
• Technology: Li-Ion, 4.2 V charging, 3.1 V cut-off
• Capacity: 900 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).
Page 8–20
To Min Nom
UEMCLite 0
UEMCLite 0
Figure 150 BL-5C battery connection order
Figure 151 BL-5C battery block
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Max Condi-tion
2.78
2.78
System module
Note
Analog input, Battery Size
Indicator Resistor, 100
kohm pull up to 2.78V
(VBB1). FDL Init, refer to
flash download.
Btemp NTC Resistor, 100
kohm pull up to 2.78V
(VANA)
9243363 (Issue 1)
RH-64