MAX1645-MAX1645A Maxim, MAX1645-MAX1645A Datasheet - Page 3

• Manufacturer Part Number: MAX1645-MAX1645A
• Description: Advanced Chemistry-Independent / Level 2 Battery Chargers with Input Current Limiting
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
T
A
PDL Load Switch Threshold
Hysteresis
PDL Turn-Off Current
PDL Turn-On Resistance
CVS Input Bias Current
BATT Full-Charge Voltage
BATT Charge Current (Note 3)
DCIN Source Current Limit
(Note 3)
BATT Undervoltage Charge
Current
BATT/CSIP/CSIN Input Voltage
Range
Total BATT Input Bias Current
Total BATT Quiescent Current
Total BATT Standby Current
CSSP Input Bias Current
CSSN Input Bias Current
CSSP/CSSN Quiescent Current
Battery Voltage-Error Amp DC
Gain
CLS Input Bias Current
Battery Voltage-Error Amp
Transconductance
Battery Current-Error Amp
Transconductance
Input Current-Error Amp
Transconductance
CCV/CCI/CCS Clamp Voltage
(Note 4)
= +25°C.)
Battery Chargers with Input Current Limiting
PARAMETER
Advanced Chemistry-Independent, Level 2
_______________________________________________________________________________________
DD
= +3.3V, V
SYMBOL
V
BATT
PDL-HYS
V0
I0
= +16.8V, V
V
V
PDL to GND
V
ChargingVoltage() = 0x41A0
ChargingVoltage() = 0x3130
ChargingVoltage() = 0x20D0
ChargingVoltage() = 0x1060
R
R
MAX1645
MAX1645A
Total of I
V
Total of I
V
Total of I
V
V
V
V
From BATT to CCV
V
From BATT to CCV, ChargingVoltage() =
0x41A0, V
From CSIP/SCIN to CCI, ChargingCurrent() =
0x0BC0, V
From CSSP/CSSN to CCS, V
V
V
CVS
CSSN
CVS
CS
CSS
BATT
BATT
BATT
CSSP
CSSP
CSSP
CLS
CSSP
CCV
= 50mΩ
DCIN
referred to V
= 28V
= V
= 40mΩ
= V
= 0 to 20V
= 0 to 20V, charge inhibited
= 0 to 20V, V
= V
= C
= V
- V
- V
BATT
BATT
BATT
REF
CCI
CSSN
PDL
BATT
CSSN
CSSN
CSSN
CSIP
= +18V, T
/2 to V
, I
, I
, I
= V
= 1V
CSIP,
CSIP,
CSIP,
= 102.4mV
= 16.8V
- V
CONDITIONS
= V
= 28V, V
= V
CCS
BATT
CSIN
REF
DCIN
DCIN
DCIN
and I
and I
and I
A
= 0.25V to 2V
= 150.4mV
= 0°C to +85°C, unless otherwise noted. Typical values are at
ChargingCurrent() =
0x0BC0
ChargingCurrent() =
0x0080
V
V
V
R
V
R
DCIN
= 0 to 28V
= 0
= 0 to 28V
CSIN
CSIN
CSIN
CLS
CLS
BATT
BATT
CSI
CSI
CLS
= 50mΩ
= 50mΩ
= 4.096V
= 2.048V
= 0
;
;
;
= 1V,
= 1V,
= 2.048V,
16.666
12.492
8.333
4.150
2.798
4.714
2.282
0.111
61.6
61.6
-700
-100
-100
-100
MIN
100
200
150
0.5
0.5
50
20
-5
-1
-1
6
0
12.592
4.192
3.008
0.222
TYP
16.8
5.12
2.56
0.05
200
100
128
128
128
540
500
300
8.4
12
35
6
1
1
16.934
12.692
8.467
4.234
3.218
194.4
5.526
2.838
194.4
0.444
MAX
1000
300
150
200
700
100
100
600
20
20
5
1
1
2
2
UNITS
µA/mV
µA/mV
µA/mV
mV
mA
mA
mA
mA
V/V
mV
kΩ
µA
µA
µA
µA
µA
µA
µA
V
A
A
V
3