SMBus Level 2 Battery Charger
with Remote Sense
ELECTRICAL CHARACTERISTICS (continued)
(V
= V = V
= V
= 19V, V
- V = 4.5V, V
= V
= V
= V
= 16.8V, BATSEL = GND = PGND = 0,
CSIN
DCIN
LDO
LX
CSSP
CSSN
REF
BST
DAC
LX
FBSA
FBSB
CSIP
C
= 1µF, V
= LDO, C
= 1µF, C
= 0.1µF , V
= 3.3V, ACIN = 2.5V; pins CCI, CCV, and CCS are compensated per
CC
DD
Figure 1; T = -40°C to +85°C, unless otherwise noted.) (Note 2)
A
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT-CURRENT REGULATION
CSSP-to-CSSN Full-Scale
Current-Sense Voltage
V
= 19V
103.3
-6
116.6
+6
mV
FBS_
RS1, Figure 1 = 10mΩ;
InputCurrent() = 11004mA or 3584mA
Input Current Accuracy
%
RS1, Figure 1 = 10mΩ;
InputCurrent() = 2048mA
-5
+5
Input Current-Limit Gain Error
Input Current-Limit Offset
CSSP/CSSN Input Voltage Range
IINP Transconductance
IINP Offset
Based on InputCurrent() = 1024mA and 11004mA
Based on InputCurrent() = 1024mA and 11004mA
-5
-1
+5
+1
%
mV
V
8
26
V
= 110mV
2.7
-1.5
-5
3.3
+1.5
+5
mA/V
mV
CSSP - CSSN
Based on V
= 110mV and 20mV
CSSP - CSSN
V
V
V
= 110mV
CSSP - CSSN
CSSP - CSSN
CSSP - CSSN
IINP Accuracy
= 55mV or 35mV
= 20mV
-4
+4
%
V
-10
0
+10
3.5
IINP Output Voltage Range
SUPPLY AND LINEAR REGULATOR
DCIN, Input Voltage Range
8.0
7
26.0
V
DCIN falling
DCIN rising
DCIN Undervoltage-Lockout
Trip Point
—
7.85
21
V
V
- V
- V
falling
rising
9
CSSP
CSSP
CSIN
CSIN
POWER_FAIL Threshold
mV
160
5.25
271
5.55
100
LDO Output Voltage
LDO Load Regulation
8.0V < V
< 28V, no load
V
DCIN
0 < I
< 30mA
mV
LDO
LDO Undervoltage-Lockout
Threshold
V
= 8.0V, V
falling
LDO
3.20
2.7
5.15
V
DCIN
V
V
V
Range
5.5
2.7
27
V
V
DD
DD
DD
UVLO Rising
Quiescent Current
DCIN < 6V, V
= 5.5V, SCL = SDA = 5.5V
µA
DD
REFERENCE
REF Output Voltage
0 < I
< 500µA
4.053
4.139
3.9
V
V
REF
REF Undervoltage-Lockout
Trip Point
REF falling
ACOK
ACOK Sink Current
V
= 0.4V, ACIN = 1.5V
1
mA
ACOK
_______________________________________________________________________________________
7
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
