MAX1909 Maxim Integrated Products, MAX1909 Datasheet - Page 3

• Manufacturer Part Number: MAX1909
• Description: (MAX8725 / MAX1909) Multichemistry Battery Charger
• Manufacturer: Maxim Integrated Products

Multichemistry Battery Chargers with Automatic
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
REF, GND = PGND = 0, PKPRES = GND, LDO = DLOV, T
Charge-Current Accuracy
V
BATT/CSIP/CSIN Input Voltage
Range
CSIP/CSIN Input Current
ICTL Power-Down Mode
Threshold Voltage
ICTL Power-Up Mode Threshold
Voltage
ICTL Input Bias Current
INPUT CURRENT REGULATION
CSSP-to-CSSN Full-Scale
Current-Sense Voltage
Input Current-Limit
Accuracy
C S S P /C S S N Inp ut V ol tag e Rang e
CSSP/CSSN Input Current
CLS Input Range
CLS Input Bias Current
IINP Transconductance
IINP Accuracy
IINP Output Current
IINP Output Voltage
ICTL
Default Threshold
PARAMETER
DCIN
_______________________________________________________________________________________
= V
CSSP
= V
SYMBOL
CSSN
= 18V, V
MAX1909: V
V
tolerances of 1%)
V
V
Charging enabled
Charging disabled; V
MAX1909
MAX8725
MAX1909
MAX8725
V
V
V
V
V
V
V
V
V
V
10kΩ
V
10kΩ
V
10kΩ
V
V
ICTL
ICTL
ICTL
ICTL
DCIN
CLS
CLS
CLS
CSSP
DCIN
CLS
CSSP
CSSP
CSSP
CSSP
CSSP
CSSP
BATT
= REF
= REF x 0.75
= REF x 0.5
= 2.0V
= 3.2V x 0.5 (including ICTL resistor
= V LDO (default threshold of 45mV)
rising
= 3V
A
= 0V, V
= 0
= V
- V
- V
- V
- V
- V
- V
= V
= 0°C to +85°C, unless otherwise noted. Typical values are at T
CSSN
CSSN
CSSN
CSSN
CSSN
CSSN
CSSN
CSIP
ICTL
ICTL
CONDITIONS
= V
= 56mV
= 75mV, terminated with
= 56mV, terminated with
= 20mV, terminated with
= 150mV, V
= 150mV, V
= V
= 3.6V x 0.5, MAX8725:
= 5V
CSIN
System Power Selector
DCIN
DCIN
= 12V, V
> 8.0V
= 0 or V
IINP
IINP
= 0V
= float
VCTL
ICTL
= V
= 0
ICTL
= 1.8V, MODE = float, ACIN = 0, CLS =
72.75
0.85
0.11
MIN
-7.0
-7.5
350
4.1
8.0
1.6
2.7
-10
3.5
-5
-1
-1
-3
-3
-4
-1
-5
0
75.00
TYP
350
450
4.2
0.1
0.1
3.0
77.25
MAX
+7.0
+7.5
0.75
0.06
REF
+10
650
730
4.3
3.3
+5
+1
+1
+3
+3
+4
+1
+5
19
28
1
1
A
= +25°C.)
UNITS
mA/V
mV
µA
µA
µA
µA
µA
%
%
%
V
V
V
V
V
V
V
3