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
LX
CSSP
CSSN
BST
LX
FBSA
FBSB
CSIP
C
LDO
= 1µF, V
= LDO, C
= 1µF, C
= 0.1µF, V
= 3.3V, ACIN = 2.5V; pins CCI, CCV, and CCS are compensated per
CC
REF
DAC
DD
Figure 1; T = 0°C to +85°C, unless otherwise noted. Typical values are at T = +25°C.)
A
A
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Adapter present, not charging, I
+ I + I + I
CSIN LX FBS,
CSIP
2
5
V
= V = V
= V = 19V
CSIP
FBS_
LX
CSIN
µA
Battery Quiescent Current
Adapter absent, I
+ I
+ I + I
+ I
= 19V, V
+ I
= 0V
DCIN
CSIP
CSIN
LX
FBSA
FBSB CSSP
+1
+ I
, V
= V = V
= V
CSSN FBS_
LX
CSIN
CSIP
V
= 26V, V
= 16.8V, not
Adapter
Battery
200
500
µA
charging
I
I
I
+
+
DCIN
CSSP
CSSN
Charging
0.4
200
0.4
1
mA
µA
V
V
= 19V,
= 16.8V
Adapter
Battery
Adapter Quiescent Current
Not charging
Charging
500
1
mA
µA
V
V
= 8V,
= 4V
Adapter
Battery
Not charging
200
500
INPUT-CURRENT REGULATION
CSSP-to-CSSN Full-Scale
Current-Sense Voltage
V
= 19V
106.7
110
113.3
mV
%
FBS_
RS1, Figure 1 = 10mΩ, InputCurrent() = 11004mA or
3584mA
-3
-5
+3
+5
Input Current Accuracy
RS1, Figure 1 = 10mΩ, InputCurrent() = 2048mA
RS1, Figure 1 = 10mΩ
POR Input Current
256
3.0
mA
%
Input Current-Limit Gain Error
Input Current-Limit Offset
CSSP/CSSN Input Voltage Range
IINP Transconductance
IINP Offset
-2
-1
+2
+1
Based on InputCurrent() = 1024mA and 11004mA
mV
V
8
26
V
= 110mV
2.85
-1.5
-5
3.15
+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
%
V
= 55mV or 35mV
= 20mV
-4
+4
-10
0
+10
3.5
IINP Output Voltage Range
SUPPLY AND LINEAR REGULATOR
DCIN, Input Voltage Range
8.0
7
26.0
V
V
DCIN falling
DCIN rising
7.4
7.5
15
DCIN Undervoltage-Lockout
Trip Point
7.85
21
V
V
- V
falling
rising
9
CSSP
CSSP
CSIN
CSIN
Power-Fail Threshold
mV
- V
160
210
271
_______________________________________________________________________________________
3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
