MAX8934GETI+ Maxim Integrated Products, MAX8934GETI+ Datasheet - Page 4

• Manufacturer Part Number: MAX8934GETI+
• Description: IC LI BATT CHARGER DUAL 28TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8934GETI+

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dual-Input Linear Charger, Smart Power Selector
with Advanced Battery Temperature Monitoring
ELECTRICAL CHARACTERISTICS (continued)
(V
UOK, FLT are unconnected, C
4
BATT Recharge Threshold—
Safety Region 2
BATT Fast-Charge
Current Range
BATT Charge Current Accuracy
ISET Output Voltage
Charger Soft-Start Time
BATT Prequal Threshold
BATT Input Current
DONE Threshold as a
Percentage of Fast-Charge
Current
Maximum Prequal Time
Maximum Fast-Charge Time
Maximum Top-Off Time
Timer Accuracy
Timer Extend Threshold
Timer Suspend Threshold
DC
______________________________________________________________________________________
= V
PEN1
PARAMETER
= V
PEN2
= 5V, CEN = USUS = THMEN = GND, V
CT
= 0.068FF, T
Change in V
from DONE to fast-
charge restart
R
V
V
< V
region 2)
R
charge current) V
Charge-current ramp time
V
V
I
I
From CEN falling to end of prequal charge, V
From CEN falling to FLT falling
Percentage of fast-charge current below where the timer
clock operates at half-speed
Percentage of fast-charge current below where timer
clock pauses
LDO
BATT
ISET
SYS
THM_T1
ISET
BATT
BATT
THM_T4
= 0
= 5.5V,
= 10kI to 2kI
= 4kI, I
decreasing
rising, 180mV hysteresis
= 4.2V,
A
< V
= -40NC to +85NC, unless otherwise noted. Typical values are at T
(safety
BATT
THM
BATT
THM_T1
= 500mA (V
CONDITIONS
V
V
V
R
R
R
R
(prequal)
R
(prequal)
R
(prequal)
No DC or USB power
connected, THMEN = low,
V
No DC or USB power
connected, THMEN = high,
V
DC or USB power connected,
V
THM_T2
THM_T1
THM_T3
CEN
ISET
ISET
ISET
ISET
ISET
ISET
< V
CEN
CEN
THM
BATT
= 5V
= 2kI
= 4kI
= 10kI
= 2kI, V
= 4kI, V
= 10kI, V
= 5V
= 5V
ISET
< V
< V
< V
< V
= 4V, V
= 1.5V at full
THM
THM
THM
THM_T4
BATT
BATT
BATT
< V
< V
< V
THM
BATT
= 2.5V
= 2.5V
THM_T3
THM_T2
THM_T4
= 2.5V
= 1.65V, USB, THMSW, CHG, DONE, OT, DOK,
= 2.5V
or
1350
-145
-120
MIN
675
270
270
130
0.3
0.9
2.9
-20
0.003
1500
TYP
-104
750
300
300
150
180
300
-80
1.5
60
12
20
15
50
20
1
3
5
A
= +25NC.) (Note 1)
MAX
1650
+20
825
330
330
170
-65
-40
1.5
1.1
3.1
12
25
2
UNITS
min
min
mV
mA
ms
FA
%
%
%
%
A
V
V
s