Single-Cell NiMH Charger
CONTROL
R
GATE
L
SWITCH
Q
SWITCH
LOOP1
LOOP2
DS2710
C
IN
D
C
OUT
CHARGE SOURCE SIDE
BATTERY SIDE
SWITCH
LOOP AREAS MINIMIZED
CHARGE SOURCE SIDE
BATTERY SIDE
C
I
D
S
C
O
Q
S
L
S
R
G
BACKSIDE
GROUND PLANE
CONTROL
Figure 6. Switching Circuit with Example Layout
SENSE+
SENSE-
SENSE TRACES RUN CLOSE
TOGETHER TO MINIMIZE LOOP
INDUCTANCE
SENSE+
SENSE-
PROPER KELVIN CONNECTION
AT SENSE RESISTOR
R
SNS
R
SNS
CHARGE SOURCE-
BATTERY-
CHARGE SOURCE-
BATTERY-
Figure 7. Sense Resistor Connection Layout
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implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
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