Rainbow Electronics DS2710 - Manual (Page 12)

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