MAX1667 Maxim, MAX1667 Datasheet - Page 3

• Manufacturer Part Number: MAX1667
• Description: Chemistry-Independent / Level 2 Smart Battery Charger
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
are at T
Note 1: When DCIN is less than 4V, VL is less than 3.2V, causing the battery current to be typically 2µA (CS plus BATT input
ERROR AMPLIFIERS
TRIP POINTS AND LINEAR CURRENT SOURCES
CURRENT- AND VOLTAGE-SETTING DACs
LOGIC LEVELS
GMV Amplifier Transconductance
GMI Amplifier Transconductance
GMV Amplifier Maximum
Output Current
GMI Amplifier Maximum
Output Current
CCV Clamp Voltage with
Respect to CCI
CCI Clamp Voltage with
Respect to CCV
BATT POWER_FAIL Threshold
BATT POWER_FAIL Threshold
Hysteresis
THM THERMISTOR_OR
Overrange Trip Point
THM THERMISTOR_COLD
Trip Point
THM THERMISTOR_HOT
Trip Point
THM THERMISTOR_UR
Underrange Trip Point
THM THERMISTOR_OR, _COLD,
_HOT, _UR Trip Point Hysteresis
IOUT Output Current
IOUT Leakage Current
CDAC Current-Setting DAC Resolution
VDAC Voltage-Setting DAC Resolution
SDA, SCL Input Voltage Low
SDA, SCL Input Voltage High
SDA, SCL Input Bias Current
SDA Output Low Sink Current
DCIN
= 18V, internal reference, 1µF capacitor at REF, 1µF capacitor at VL, T
A
current).
= +25°C, unless otherwise noted.)
PARAMETER
_______________________________________________________________________________________
1.1V < V
1.1V < V
BATT rising
THM falling
THM falling
THM falling
THM falling
V
V
to 0x007F (127mA)
V
Guaranteed monotonic
Guaranteed monotonic
V
IOUT
IOUT
DCIN
SDA
Level 2 Smart Battery Charger
= 0.6V
= 0
= 17V, ChargingCurrent() = 0x0001
= 0, V
CCI
CCV
< 3.5V
IOUT
< 3.5V
CONDITIONS
= 20V
ChargingCurrent() = 0x0001
to 0x007F (127mA)
ChargingCurrent() = 0x0000
Chemistry-Independent,
A
= 0°C to +85°C, unless otherwise noted. Typical values
MIN
2.2
25
25
93
89
74
22
11
-1
3
5
5
5
6
±200
TYP
75.5
23.5
±80
1.4
0.2
4.5
0.5
80
80
95
91
1
7
MAX
200
200
0.8
97
93
77
25
10
10
6
9
1
UNITS
V
V
V
mA/V
mA/V
V
V
V
V
% of
% of
% of
% of
% of
% of
% of
Bits
Bits
mV
mV
DCIN
DCIN
DCIN
mA
mA
mA
µA
µA
µA
µA
µA
REF
REF
REF
REF
V
V
3