Datasheet

23
Maxim Integrated
Dual-Input Linear Charger, Smart Power Selector
with Advanced Battery Temperature Monitoring
MAX8934G
Figure 5. Thermistor Monitor Details
T
CHG
SYS
LDO
VINT
CHG
VINT
THERMISTOR
MONITOR
CHARGER
CONTROL
CHG
OT
T4
(60NC)
T3
(45NC)
T2
(10NC)
T
OT
(75NC)
T1
(0NC)
-
+
VINT
CHG
-
+
VINT
VINT
THM
THMSW
THMEN
R
THMSW
VINT
CHG
CHG
+
-
VINT
VINT
THMEN
NOT CHARGING
-
+
VINT
VINT
+
-
CHG
LOW-I
Q
, ALWAYS-ON 3.3V LDO
TRACKS SYS WHEN DC AND USB ARE NOT
PRESENT, THE BATTERY IS BEING
DISCHARGED, AND V
BATT
P 3.3V.