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MC34673 Datasheet, PDF (5/22 Pages) Freescale Semiconductor, Inc – High Input Voltage 1.2A Charger for Single-cell Li-Ion Batteries
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ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics
Characteristics noted under conditions VIN = 5.0V, -40°C ≤ TA ≤ 85°C, CIN =1µF, COUT = 2.2µF (see Figure 1), unless otherwise
noted. Typical values noted reflect the approximate parameter means at VIN = 5.0V and TA = 25°C under nominal conditions,
unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
POWER INPUT
Input Voltage Range(5)
VIN Pin Supply Current
Charger enabled(6)
Charger disabled
VIN
2.6
-
6.6
V
IIN
µA
-
1400
-
-
-
350
Regulated Output Voltage
VIN = 5.0V; IBAT = 10mA; TA = 25°C
VIN = 5.0V; IBAT = 10mA; TA = -20 to 70°C
VIN = 5.0V; IBAT = 10mA; TA = -40 to 85°C
VBAT
4.185
4.170
4.158
Power MOSFET On Resistance
VBAT = 4.0V; IBAT = 500mA; ICHG = 600mA
RDS(ON)
-
BAT Pin Standby Current
VIN not powered or charger disabled
ISTDBY
-
Power On Reset
Rising VIN threshold
Falling VIN threshold
VPOR
3.0
-
VIN-BAT Offset Voltage
Rising threshold
Falling threshold
VOS
-
1.0
Over-voltage Protection Rising Threshold
Over-voltage Protection-Threshold Hysteresis
VOVP
6.6
VOVPHYS
-
CHARGE CURRENT
Constant-current Mode Charge Current Range(7)
ICHG Accuracy
For ICHG between 300mA to 1200mA (Tested at 450mA)
For ICHG between 50mA to 300mA(7)
ICHG
ICHG
0.05
94
90
Trickle-Mode Charge Current
ITRKL
16
End-of-Charge (EOC) Threshold
When ICHG is set to 450mA
IEOC
35
ISET Pin Voltage for ICHG Reference(7)
VISET
-
Notes
5. Refer to the Power-on-Reset parameter for VIN turn on and turn off values.
6. Supply current does not include the current delivered to the battery through the BAT pin.
7. Not tested. Guaranteed by design.
4.20
4.20
4.20
330
-
-
2.4
-
-
6.8
400
-
100
100
20
45
1.0
V
4.215
4.230
4.230
mΩ
475
µA
1.0
V
3.9
2.6
mV
60
22
7.0
V
-
mV
1.2
A
%
106
110
24
% ICHG
mA
55
-
V
Analog Integrated Circuit Device Data
Freescale Semiconductor
34673
5
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