MAX1908 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX1908 Datasheet PDF : 30 Pages
| |||
MAX1908/MAX8724/MAX8765/MAX8765A
Low-Cost Multichemistry Battery Chargers
ELECTRICAL CHARACTERISTICS (continued)
(VDCIN = VCSSP = VCSSN = 18V, VBATT = VCSIP = VCSIN = 12V, VREFIN = 3V, VVCTL = VICTL = 0.75 x VREFIN, CELLS = open, CLS =
REF, VBST - VLX = 4.5V, ACIN = GND = PGND = 0, CLDO = 1µF, LDO = DLOV, CREF = 1µF; CCI, CCS, and CCV are compensated
per Figure 1a; TA = -40°C to +85°C, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
ICHG Accuracy
INPUT-CURRENT REGULATION
VCSIP - VCSIN = 75mV
VCSIP - VCSIN = 45mV
VCSIP - VCSIN = 5mV
CSSP-to-CSSN Full-Scale
Current-Sense Voltage
Input Current-Limit Accuracy
VCLS = VREF
VCLS = VREF/2
VCLS = 1.1V (MAX8765/MAX8765A only)
Input Current-Limit Gain Error
(MAX8765/MAX8765A Only)
MIN TYP MAX UNITS
-7.5
+7.5
-7.5
+7.5
%
-40
+40
71.25
-5
-7.5
-10
-2
78.75 mV
+5
+7.5
%
+10
+2
%
Input Current-Limit Offset
(MAX8765/MAX8765A Only)
-2
+2
mV
CSSP, CSSN Input Voltage
Range
CSSP, CSSN Input Current
(MAX1908/MAX8724 Only)
CSSP Input Current
(MAX8765/MAX8765A Only)
CSSN Input Current
(MAX8765/MAX8765A Only)
CLS Input Range
(MAX1908/MAX8724 Only)
8
VDCIN = 0V
VCSSP = VCSSN = VDCIN > 8V
VCSSP = VCSSN = 28V
VDCIN = 0V
VDCIN = 28V
VCSSP = VCSSN = 28V
VDCIN = 0V
VDCIN = 28V
1.6
28
V
1
µA
600
1
µA
650
1
µA
1
REF
V
CLS Input Range
(MAX8765/MAX8765A Only)
1.1
REF
V
IINP Transconductance
(MAX1908/MAX8724 Only)
GIINP VCSSP - VCSSN = 75mV
2.7
3.3 µA/mV
IINP Transconductance
(MAX8765/MAX8765A Only)
GIINP VCSSP - VCCSN = 75mV
2.785
3.225 µA/mV
IINP Transconductance Error
(MAX8765/MAX8765A Only)
-7.5
+7.5
%
IINP Transconductance Offset
(MAX8765/MAX8765A Only)
IINP Accuracy
VCSSP - VCSSN = 75mV
VCSSP - VCSSN = 37.5mV
-12
+12
µA
-7.5
+7.5
%
-7.5
+7.5
8
Maxim Integrated
Share Link: 