MAX1647 Maxim, MAX1647 Datasheet - Page 4

• Manufacturer Part Number: MAX1647
• Description: Chemistry-Independent Battery Chargers
• Manufacturer: Maxim

Chemistry-Independent
Battery Chargers
ELECTRICAL CHARACTERISTICS
temperature range are guaranteed by design.)
(V
4
SUPPLY AND REFERENCE
SWITCHING REGULATOR
ERROR AMPLIFIERS
TRIP POINTS AND LINEAR CURRENT SOURCES
SETV, SETI (MAX1648)
LOGIC LEVELS (MAX1647)
DCIN Quiescent Current
VL Output Voltage
REF Output Voltage
Oscillator Frequency
DHI Maximum Duty Cycle
DHI On-Resistance
DLO On-Resistance
BATT Input Current
CS Input Current
CS to BATT Full-Scale
Current-Sense Voltage
Voltage Accuracy
GMV Amplifier Transconductance
GMI Amplifier Transconductance
GMV Amplifier Maximum
Output Current
GMI Amplifier Maximum
Output Current
THM THERMISTOR_OR
Over-Range Trip Point
THM THERMISTOR_COLD
Trip Point
THM THERMISTOR_HOT
Trip Point
THM THERMISTOR_UR
Under-Range Trip Point
SETV Input Bias Current
SETI Input Bias Current
SDA, SCL Input Low Voltage
SDA, SCL Input High Voltage
SDA, SCL Input Bias Current
SDA Output Low Sink Current
DCIN
_______________________________________________________________________________________
= 18V, V
PARAMETER
REF
= 4.096V, T
A
= -40°C to +85°C. Typical values are at T
7.5V < V
7.5V < V
0µA < I
High or low
High or low
VL < 3.2V, V
VL < 3.2V, V
MAX1647, SEL = open,
ChargingCurrent( ) = 0x07F0;
MAX1648, V
MAX1647, ChargingVoltage( ) = 0x1060,
ChargingVoltage( ) = 0x3130; MAX1648,
V
MAX1647
MAX1647
V
SETV
SDA
= 0.6V
= 3.15V, V
SOURCE
DCIN
DCIN
SETI
BATT
CS
< 28V, logic inputs = VL
< 28V, no load
= 12V
< 500µA
= 1.024V
SETV
CONDITIONS
= 12V
= 1.05V
A
= +25°C, unless otherwise noted. Limits over this
-0.65
5.15
3.74
89.5
MIN
200
160
2.8
89
74
22
-1
3
6
±130
±320
TYP
75.5
23.5
250
185
5.4
3.9
1.4
0.2
4.5
91
4
4
6
MAX
5.65
4.07
0.65
92.5
310
200
0.8
14
77
25
6
7
5
5
6
1
5
1
UNITS
mA/V
mA/V
V
V
V
V
% of
% of
% of
% of
kHz
mA
mA
mV
µA
µA
µA
µA
µA
µA
µA
REF
REF
REF
REF
%
%
Ω
Ω
V
V
V
V