MAX1645EEI Maxim, MAX1645EEI Datasheet - Page 7

• Manufacturer Part Number: MAX1645EEI
• Description: Advanced Chemistry-Independent / Level 2 Battery Chargers with Input Current Limiting
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
SMB INTERFACE TIMING SPECIFICATIONS (V
LX Input Bias Current
LX Input Quiescent Current
BST Supply Current
DLOV Supply Current
Inductor Peak Current Limit
DHI Output Resistance
DLO Output Resistance
THERMISTOR COMPARATOR SPECIFICATIONS
THM Input Bias Current
Thermistor Overrange Threshold
Thermistor Cold Threshold
Thermistor Hot Threshold
Thermistor Underrange
Threshold
SMB INTERFACE LEVEL SPECIFICATIONS (V
SDA/SCL Input Low Voltage
SDA/SCL Input High Voltage
SDA/SCL Input Bias Current
SDA Output Low Sink Current
INT Output High Leakage
INT Output Low Voltage
SCL High Period
SCL Low Period
Start Condition Setup Time
from SCL
Start Condition Hold Time
from SCL
SDA Setup Time from SCL
SDA Hold Time from SCL
PARAMETER
Battery Charger with Input Current Limiting
Advanced Chemistry-Independent, Level 2
DD
_______________________________________________________________________________________
= +3.3V, V
BATT
SYMBOL
t
t
t
t
HD:DAT
SU:STA
HD:STA
SU:DAT
t
t
HIGH
LOW
= +16.8V, V
V
V
DHI high
V
R
DHI high or low, V
DLO high or low, V
V
V
V
V
V
V
V
V
I
INT
DCIN
DCIN
DLOV
THM
DD
DD
DD
DD
DD
SDA
INT
CSI
DD
DD
DCIN
= 1mA
= 2.8V to 5.65V
= 2.8V to 5.65V, V
= 2.8V to 5.65V, V
= 2.8V to 5.65V, V
= 2.8V to 5.65V, V
= 5.65V
= 50mΩ
= 2.8V to 5.65V, Figures 4 and 5)
= 2.8V to 5.65V)
= 0.4V
= 4% of V
= 28V, V
= 0, V
= V
= +18V, T
LDO
BATT
, DLO low
BATT
CONDITIONS
DD
= V
BST
A
DLOV
to 96% of V
= V
= -40°C to +85°C, unless otherwise noted. Guaranteed by design.)
LX
- V
THM
THM
THM
THM
LX
= 20V
= 4.5V
LX
= 20V
falling
falling
falling
falling
= 4.5V
DD
,
MIN
89.5
250
5.0
1.4
4.7
4.7
74
22
-1
-1
6
6
4
4
0
MAX
92.5
500
200
7.0
0.6
15
10
14
14
77
25
1
1
9
1
1
% of V
% of V
% of V
% of V
UNITS
mA
mV
µA
µA
µA
µA
µA
µA
µA
µs
µs
µs
µs
ns
ns
Ω
Ω
A
V
V
DD
DD
DD
DD
7