User's Manual

SC14CVMDECT SF Cordless Voice Module
© 2012 Dialog Semiconductor B.V. 36 July 1, 2014 v1.6
6.6 BATTERY MANAGEMENT
6.7 BASEBAND PART
Table 20: CHARGE_CTRL pin
PARAMETER DESCRIPTION CONDITIONS MIN TYP MAX UNIT
Voh_charge_ctrl Drive capability of pin
CHARGE_CTRL
sourcing 500 A 1.6 V
Vol_charge_ctrl sinking 100 A 0.2 V
Table 21: State of charge circuit (SoC) (Operating condition)
PARAMETER DESCRIPTION CONDITIONS MIN TYP MAX UNIT
Vsocp_socn Input voltage
between SOCp and
SOCn
With the prescribed 0.1  sense
resistor this results in the usable cur-
rent range
-100 +100 mV
Figure 34 State of charge (SOC) counter accuracy
SoC_asym_err
input current
Counter ticks/s
1000 mA
100 mA
-100 mA
-1000 mA
10
0 m
A e
x
t
r
ap
ol
a
ti
o
n
A
B
SoC_sym_err: A - |B|
Table 22: Baseband specifications
PARAMETER DESCRIPTION CONDITIONS MIN TYP MAX UNIT
Fbit_uart Serial interface bit rate UART; Interface for external
microprocessor or PC
115.2 kbit/s
Fbit_flash Flash download bit rate Via UART 115.2 kbit/s
Ibat_stdby_fp Standby supply current FP application (3.3 V) 55 60 mA
Ibat_act_fp Active supply current FP application (3.3 V) 65 70 mA
Ibat_stdby_pp Standby supply current PP application (3.3 V) 4.5 6 mA
Ibat_act_pp Active supply current PP application (3.3 V) 30 40 mA