M62244FP
Electrical Characteristics
Unless otherwise specified, Ta = 25°C, VCC = 5.5 V, resistor for current detection = 0.2 Ω, and pins for adjustment
Vstrt, Vstp, Ifull, and Vrchg are open-circuit.)
Block
Item
Symbol
Rated value
Unit
Remarks
Min.
Typ.
Max.
All
Power-supply voltage
VCC
3.0
5.5
6.5
V
range for charge-control
Circuit current
Icc
5.0
mA
When not connected to a battery
Battery-discharge
current (when not
charging)
Ibatout
1.50
µA
Battery is discharged to the IC
when VBAT = 4.2 V (through pins
Idet1, Idet2, Vsense)
Reference voltage
Vref
1.176
2.076
1.200
2.100
1.224
2.124
V
V
Reference IL=-1mA
voltage for
Vcvref1
constant-
voltage
control
IL=-5mA
Vcvref2
2.07
2.10
2.13
V
Battery-
voltage
detector
Excessive-discharge
detection voltage
Vlv
1.9
25
2.0
50
2.1
75
V
Precharge 2 start voltage
Fast charge start voltage
Hysteresis in excess-
discharge detection
voltage
Vlvhis
mV
Fast-charge start
voltage
Vfchg
2.8
2.9
3.0
V
Hysteresis in fast-charge Vfchghis 250
start voltage
300
3.90
350
3.95
mV
V
Recharge-start voltage
Vrchg
3.85
When no external resistor is
connected to Vrchg. Selectable by
an external resistor
Charging-completed
voltage
Vfull
Vrchg
+0.03
Vrchg
+0.05
Vrchg
+0.07
V
V
V
V
V
V
V
V
Hysteresis in the recharge-start
voltage
Charge
control
voltage
Ta = 15 to
Vchg11
Vchg12
Vchg21
Vchg22
Vchg31
Vchg32
Vov
4.190
4.170
4.187
4.167
4.170
4.150
4.30
4.200
4.200
4.200
4.200
4.200
4.200
4.35
4.210
4.230
4.213
4.233
4.230
4.250
4.40
When Ichg = 130 mA (RS = 0.2
35°C
Ω). See note 1.
Ta = 20 to
85°C
Ta = 15 to
When Ichg = 130 mA (RS = 0.2
35°C
Ω). See note 2.
Ta = 20 to
85°C
Ta = 0 to
Whe Ichg = 130 mA (RS = 0.2 Ω),
50°C
no external resistor
Ta = 20 to
85°C
Excessive voltage
detection
Charging
current
Precharge current 1
Precharge current 2
Ipre1
Ipre2
2
3
5
mA
mV
10
20
30
Voltage across Rs when VBAT =
2.6 V
detector
Fast-charge current
Ichg
190
200
25
210
31
mV
mV
mV
mV
Voltage across Rs when VBAT =
3.6 V
Charging-completed
current
Ifullchg1 19
Voltage across Rs when Ifull is
open-circuit.
Ifullchg2
Ioc
9
15
21
Voltage across Rs when Ifull is
connected to ground.
Excessive current
detection
250
300
350
Rev.1.0, Sep.19.2003, page 5 of 17