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PDF NE57610 Data sheet ( Hoja de datos )
| Número de pieza | NE57610 | |
| Descripción | Li-ion battery charger control with adjustable thresholds | |
| Fabricantes | Philipss | |
| Logotipo |  |
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INTEGRATED CIRCUITS
NE57610
Li-ion battery charger control
with adjustable thresholds
Product data
2002 Nov 05
Philips
Semiconductors
1 page  
Philips Semiconductors
Li-ion battery charger control
with adjustable thresholds
Product data
NE57610
DC ELECTRICAL CHARACTERISTICS
Characteristic of the NE57610Y.
SYMBOL
PARAMETER
CONDITIONS
Pin
Min.
Typ.
ICC
VREF
VADPL
VADPL(hys)
VADPH
VADPH(hys)
Supply current
Reference voltage
AC Adaptor detection voltage L
AC Adaptor detection voltage L
Hysteresis voltage
AC Adaptor detection voltage H
AC Adaptor detection voltage H
Hysteresis voltage
VCC: H → L
VCC: L → H
18 –
5.0
5 – 1.207
20 2.35 2.45
20 50 100
20 6.1 6.3
20 50 100
ZADPL
Impedance for AC Adaptor detection
output L
20 –
30
IBAT BAT pin leakage current
13, 14,
15
–
–
VBAT
VDRV
ION/OFF
VON/OFF
VON/OFF
Ireset
Vreset(high)
Vreset(low)
VL1
VL2
VF
VLV
VLV(hys)
BAT pin output voltage
DRV pin output voltage
ON/OFF pin input current
Tamb = 0 ∼ +50 °C
IDRV = 20 mA
ON/OFF pin input voltage H
ON/OFF: OFF
ON/OFF pin input voltage L
ON/OFF: ON
RESET pin input current
RESET pin input voltage H
Charge control circuit: OFF
RESET pin input voltage L
Charge control circuit: ON
Current limit 1
Quick charge
Current limit 2
Pre-charge
Full charge detection
Undervoltage voltage detection voltage
Low voltage detection voltage Hysteresis
voltage
RCS ⋅ Icharge
VBAT: L → H
13
17
1
1
1
2
2
2
14, 15
14, 15
14, 15
13
13
4.070
–
40
0.6
–
40
0.6
0.20
21
13
1.90
25
4.100
–
60
–
–
60
0.22
26
18
2.00
50
VP
VP(hys)
Pre-charge detection voltage
Pre-charge detection voltage Hysteresis
voltage
VBAT: L → H
13 2.80 2.90
13 25 50
VR
VOV
VTH
VTL1
Re-charge detection voltage
Overvoltage detection voltage
Battery temperature detection voltage H
Battery temperature detection voltage L1
VBAT: H → L
VBAT: L → H
Low temperature 3 °C ± 3 °C
detection
High temperature 43 °C ± 3 °C
detection (charging start)
13
13
12
12
3.85
4.30
0.835
0.390
3.90
4.35
0.860
0.413
VTL2
Battery temperature detection voltage L2 High temperature 50 °C ± 3 °C 12
detection (during charging)
0.335 0.353
IT TDET input bias current
12 –
30
VLEDR
VLEDG
∆T
R_LED pin output voltage
G_LED pin output voltage
Timer error time
ILEDR = 10 mA
ILEDG = 10 mA
Not including external
deviation (Note 2)
22
21
21, 22
–
–
–10
–
–
–
NOTES:
1. Current limits 1 and 2 and full charge detection are specified as current detection resistor voltage drop.
2. Use a capacitor with good temperature characteristics in the oscillator. Capacitor deviation will contribute to timer error.
Max.
7.0
–
2.55
150
6.5
150
–
1
4.130
0.5
80
1.20
0.25
80
1.20
0.25
0.24
31
23
2.10
100
3.00
100
3.95
4.40
0.885
0.435
0.370
150
0.4
0.4
10
UNIT
mA
V
V
mV
V
mV
kΩ
µA
V
V
µA
V
V
µA
V
V
V
mV
mV
V
mV
V
mV
V
V
V
V
V
nA
V
V
%
2002 Nov 05
5
5 Page 
Philips Semiconductors
Li-ion battery charger control
with adjustable thresholds
Product data
NE57610
1 mA
CHARGE
RATE
PACK VOLTAGE
> VUV
1 mA CHARGE
TIMER TIME-OUT
PACK
VOLTAGE
< VUV
START
CHARGE
PACK
VOLTAGE
> VUV
PACK VOLTAGE
> VUV, < VOV
PREPARATORY
CHARGE
PREP
TIMER
TIME-OUT
PACK
VOLTAGE
> VP
CHARGE
AT NORMAL
RATE
VOV HYSTERESIS
Vpack < VOV – VOV(hys)
Vpack > VOV
Vpack > VOV
TERMINATE
CHARGE
SL01860
Figure 18. State diagram of charging process.
Charge-mode indicators
Determining which state the battery charger is operating is easily
done by viewing the red and green LEDs which should be wired
between pins 22 and 21, respectively, and the input voltage source.
Each LED should have a 150 Ω resistor in series. Table 1 shows the
states of these LEDs and the two test pins (TP1 (pin3) and TP2
(pin4)).
Programming the total charge timer
To set the total charge time, place a timing capacitor (CT) between
pin 24 and the ground pins (pins 6 and 7) and a resistor (ROSC)
between pins 23 and 24. The typical Li-ion cell requires 3 hours to
totally recharge from VUV and VOV, so a charge period of greater
than or equal to 3 hours should be allowed. The total charge time
can be set by referring to Figure 19.
Table 1. Charge mode indicators versus charger activity
Condition
Reconditioning
charge
Preparatory
charge
Normal charge
Pin 22
(Red)
Blink
ON
ON
Pin 21
(Green)
OFF
Pin 3
TP1
Hi Low
Pin 4
TP2
Low
OFF
Hi Low Low
OFF
Hi Low Low
200 k
100 k
0.0047 µF
OSCILLATOR CAPACITOR
0.01 µF
0.022 µF
Charge done
OFF
Charge timer
time-out
Fault: VOV, VLV
VLV, VIN(min)
Blink
OFF
Blink
OFF
OFF
Low
Low
Low
Hi Low
Low
Low
12
34
56
CHARGE TIME-OUT (HOURS)
5
10 15
20
PRECHARGE TIME-OUT (MINUTES)
5 10
15
1 mA TIME-OUT (SECONDS)
Figure 19. Total charge time versus CT.
20
SL01864
2002 Nov 05
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet NE57610.PDF ] | |
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