Nokia RM-512 - Battery Connector; Battery Interface

Signal From To Min Nom Max Condi-tion Note
VCHARIN Charger Liteplu
s
11.1Vp
eak
16.9
Vpeak
Standard Vch from Charger
Connector, max 20V
7.9
VRMS
1.0
Apeak
7.0
VRMS
8.4
VRMS
9.2
VRMS
Fast charger
850 mA
GND GND GND from/to Charger
connector
Battery connector
Table 12 Battery IF
Signal From To Min Nom Max Note
GND Global Batt (-) Global GND
VBAT Batt (+) 3.1 5.1 Battery Voltage
BSI Liteplus 0 2.78 Analog input, Battery Size
Indicator Resistor, 100
kohm pull up to 2.78V
(VBB1). FDL Init, refer to
flash download.
Battery interface
•
Type: BL-5C/BL-5CA (only for Great China)
•
Technology: Li-Ion, 4.2 V charging, 3.1 V cut-off
•
Capacity: 1020/700 mAh.
BL-5C/BL-5CA has a 3 pin interface with overcharge / discharge protection (safety circuit) and battery size
indication BSI with an internal resistor. The BSI fixed resistor value indicates type and default capacity of a
battery.
Figure 117 BL-5C/Bl-5CA battery pack contacts
Table 13 Pin numbering of battery pack
Signal name Pin number Function
GND 3 Negative/common battery
terminal
RM-512; RM-513; RM-514; RM-515; RM-543
System Module
Issue 2 COMPANY CONFIDENTIAL Page 6 –17
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