Datasheet

MAX846A
Cost-Saving Multichemistry
Battery-Charger System
______________________________________________________________________________________ 11
Figure 4. VSET Adjustment Methods
Figure 5. ISET Adjustment Methods
Figure 6. Low-Cost Desktop Multichemistry Charger Concept
MAX846A
DAC
0 TO V
L
20k
VSET
400k
n
WITH VOLTAGE OUTPUT DAC
0 100%
2%
1.65V
1%
MAX846A
20k
VSET
400k
2%
1.65V
1%
µC
PWM
OUTPUT
WITH PWM FROM MICROCONTROLLER

MAX846A
DAC
20k
ISET
20k
n
WITH VOLTAGE OUTPUT DAC
MAX846A
10k10k
0 100%
ISET
µC
PWM
OUTPUT
20k
WITH PWM FROM MICROCONTROLLER
FEEDBACK
OPTO-COUPLER
AC/DC
CONVERTER
MAX846
MICRO
CONTROLLER