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參數(shù)資料
| 型號(hào)： | M62244FP |
| 廠商： | Renesas Technology Corp. |
| 英文描述： | Li-ion Battery Charge Controller IC |
| 中文描述： | 鋰離子電池充電控制IC |
| 文件頁(yè)數(shù)： | 5/18頁(yè) |
| 文件大小： | 239K |
| 代理商： | M62244FP |
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M62244FP
Rev.1.0, Sep.19.2003, page 5 of 17
Electrical Characteristics
Unless otherwise specified, Ta = 25
°
C, VCC = 5.5 V, resistor for current detection = 0.2
, and pins for adjustment
Vstrt, Vstp, Ifull, and Vrchg are open-circuit.)
Rated value
Block
Item
Symbol
Min.
Typ.
Max.
Unit
Remarks
Power-supply voltage
range for charge-control
Circuit current
VCC
3.0
5.5
6.5
V
Icc
5.0
mA
μ
A
When not connected to a battery
Battery-discharge
current (when not
charging)
Ibatout
1.50
Battery is discharged to the IC
when VBAT = 4.2 V (through pins
Idet1, Idet2, Vsense)
Reference voltage
Vref
1.176
1.200
1.224
V
IL=-1mA
Vcvref1
2.076
2.100
2.124
V
All
Reference
voltage for
constant-
voltage
control
Excessive-discharge
detection voltage
IL=-5mA
Vcvref2
2.07
2.10
2.13
V
Vlv
1.9
2.0
2.1
V
Precharge 2 start voltage
Hysteresis in excess-
discharge detection
voltage
Vlvhis
25
50
75
mV
Fast-charge start
voltage
Vfchg
2.8
2.9
3.0
V
Fast charge start voltage
Hysteresis in fast-charge
start voltage
Recharge-start voltage
Vfchghis
250
300
350
mV
Vrchg
3.85
3.90
3.95
V
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
Hysteresis in the recharge-start
voltage
Ta = 15 to
35
°
C
Ta = 20 to
85
°
C
Ta = 15 to
35
°
C
Ta = 20 to
85
°
C
Ta = 0 to
50
°
C
Ta = 20 to
85
°
C
Vchg11
4.190
4.200
4.210
V
Vchg12
4.170
4.200
4.230
V
When Ichg = 130 mA (RS = 0.2
). See note 1.
Vchg21
4.187
4.200
4.213
V
Vchg22
4.167
4.200
4.233
V
When Ichg = 130 mA (RS = 0.2
). See note 2.
Vchg31
4.170
4.200
4.230
V
Charge
control
voltage
Vchg32
4.150
4.200
4.250
V
Whe Ichg = 130 mA (RS = 0.2
),
no external resistor
Battery-
voltage
detector
Excessive voltage
detection
Vov
4.30
4.35
4.40
V
Precharge current 1
Ipre1
2
3
5
mA
Precharge current 2
Ipre2
10
20
30
mV
Voltage across Rs when VBAT =
2.6 V
Fast-charge current
Ichg
190
200
210
mV
Voltage across Rs when VBAT =
3.6 V
Voltage across Rs when Ifull is
open-circuit.
Ifullchg1
19
25
31
mV
Charging-completed
current
Ifullchg2
9
15
21
mV
Voltage across Rs when Ifull is
connected to ground.
Charging
current
detector
Excessive current
detection
Ioc
250
300
350
mV
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