Datasheet

11
Maxim Integrated
Dual-Input Linear Charger, Smart Power Selector
with Advanced Battery Temperature Monitoring
MAX8934G
Typical Operating Characteristics (continued)
(T
A
= +25NC, circuit of Figure 2, V
DC
= 6V, V
BATT
= 3.6V, thermistor Beta = 3964, unless otherwise noted. Negative battery current
indicates charging.)
THM NORMAL TO THM HOT NO
CHARGE (> T4) TRANSITION
MAX8934G toc33
500mV/div
2V/div
100mA/div
I
BATT
V
BATT
V
THM
20ms/div
0.65V
4.2V
0V
0mA
100mA
4.075V
HP6060B ELECTRONIC
LOAD SET TO CC MODE
THM NORMAL TO T2 TO T1
(COLD, NO CHARGE) TRANSITION
MAX8934G toc35
1V/div
1V/div
200mA/div
V
THM
V
BATT
I
BATT
10ms/div
10I RESISTOR FROM BATT TO GND
4.2V
0V
0mA
4.075V
2.54V
2.2V
420mA
MAX8934G toc34
2V/div
2V/div
2V/div
2V/div
V
THM
V
BATT
V
SYS
4ms/div
THM NORMAL TO THM HOT
THRESHOLD DISCHARGE T
OT
V
OT
3V
3.6V
3.6V
0.425V
THM NORMAL TO THM HOT
(> T3) TRANSITION
MAX8934G toc32
500mV/div
200mV/div
500mA/div
I
BATT
V
BATT
V
THM
10ms/div
1.0V
4.2V
HP6060B ELECTRONIC LOAD
SET TO CC MODE
4.075V
940mA