MAX1645-MAX1645A Maxim, MAX1645-MAX1645A Datasheet - Page 5

• Manufacturer Part Number: MAX1645-MAX1645A
• Description: Advanced Chemistry-Independent / Level 2 Battery Chargers with Input Current Limiting
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
T
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
A
GENERAL SPECIFICATIONS
DCIN Typical Operating Range
DCIN Supply Current
DCIN Supply Current Charging
Inhibited
DCIN Undervoltage Threshold
LDO Output Voltage
V
(Note 1)
V
V
REF Output Voltage
BATT Undervoltage Threshold
(Note 2)
PDS Charging Source Switch
Turn-Off Threshold
PDS Charging Source Switch
Threshold Hysteresis
PDS Output Low Voltage, PDS
Below CSSP
PDS Turn-On Current
PDS Turn-Off Current
PDL Load Switch Turn-Off
Threshold
PDL Load Switch Threshold
Hysteresis
PDL Turn-Off Current
SDA Output Data Valid from SCL
Maximum Charge Period
Without a ChargingVoltage() or
Charging Current() Loaded
DD
DD
DD
= +25°C.)
Input Voltage Range
Undervoltage Threshold
Quiescent Current
Battery Chargers with Input Current Limiting
PARAMETER
PARAMETER
Advanced Chemistry-Independent, Level 2
DD
_______________________________________________________________________________________
DD
= +3.3V, V
= +3.3V, V
BATT
SYMBOL
SYMBOL
V
V
V
V
BATT
PDS-OFF
PDS-HYS
PDL-OFF
PDL-HYS
V
I
V
V
t
DCIN
I
WDT
DCIN
t
LDO
DD
REF
DV
= +16.8V, V
= +16.8V, V
8V < V
8V < V
When AC_PRESENT
switches
8V < V
8V < V
When the SMB res-
ponds to commands
0 < V
V
0 < I
When I
V
V
I
PDS = CSSP
V
V
V
V
PDS
SDA
CVS
CVS
PDS
CVS
CVS
CSSN
DCIN
REF
= 0
DCIN
referred to V
referred to V
= V
referred to V
referred to V
DCIN
= 5V
DCIN
DCIN
DCIN
DCIN
CHARGE
- V
< 200µA
= +18V, T
CSSP
PDL
< 6V, V
= +18V, T
< 28V
< 28V
< 28V, 0 < I
< 28V
= 1V
- 2V, V
drops to 128mA
CONDITIONS
CONDITIONS
DD
BATT
BATT
BATT
BATT
A
= -40°C to +85°C, unless otherwise noted. Guaranteed by design.)
DCIN
A
= 5V, V
, V
, V
= 0°C to +85°C, unless otherwise noted. Typical values are at
LDO
DCIN rising
DCIN falling
V
V
CVS
CVS
DD
DD
= 16V
< 15mA
SCL
rising
falling
falling
rising
= 5V,
4.035
5.15
-150
MIN
MIN
100
100
100
140
2.8
2.1
2.4
50
10
8
7
8
6
TYP
175
4.157
MAX
MAX
7.85
5.65
5.65
150
150
300
300
300
210
2.8
2.8
-50
28
12
6
2
1
UNITS
UNITS
mA
mA
mV
mV
mA
mV
mV
mA
µA
µA
µs
V
V
V
V
V
V
V
V
s
5