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NSE–3
System Module
Battery Connector
Pin
Name
Min
1
BVOLT
3.0
0
2
BSI
2.2
20
27
68
3
BTEMP
0
2.1
5
1.9
90
0
20
4
BGND
0
Page 3 – 14
Typ
Max
Unit
3.6
4.5
V
5.0
5.3
2.85
V
18
kohm
22
24
kohm
51
kohm
91
kohm
1.4
V
3
V
10
20
ms
2.85
V
100
200
ms
1
kohm
22
25
kHz
0
V
Technical Documentation
Notes
Battery voltage
Maximum voltage in call state with charger
Maximum voltage in idle state with charger
Battery size indication
Phone has 100kohm pull up resistor.
SIM Card removal detection
(Treshold is 2.4V@VBB=2.8V)
Battery indication resistor (Ni battery)
Battery indication resistor (service battery)
Battery indication resistor (4.1V Lithium
battery)
Battery indication resistor (4.2V Lithium bat-
tery)
Battery temperature indication
Phone has a 100k (+–5%) pullup resistor,
Battery package has a NTC pulldown resis-
tor:
47k+–5%@+25C , B=4050+–3%
Phone power up by battery (input)
Power up pulse width
Battery power up by phone (output)
Power up pulse width
Local mode initialization (in production)
PWM control to VIBRA BATTERY
Battery ground
PAMS
Original 11/97
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