DS2710G+ Maxim Integrated Products, DS2710G+ Datasheet - Page 12

• Manufacturer Part Number: DS2710G+
• Description: IC NIMH CHRGR SGL-CELL 10-TDFN
• Manufacturer: Maxim Integrated Products

Specifications of DS2710G+

• Function: Charge Management
• Battery Type: Nickel Metal Hydride (NiMH)
• Voltage - Supply: 4 V ~ 5.5 V
• Operating Temperature: -20°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 10-TDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2008 Maxim Integrated Products
Single-Cell NiMH Charger
Figure 6. Switching Circuit with Example Layout
Figure 7. Sense Resistor Connection Layout
CHARGE SOURCE-
CHARGE SOURCE SIDE
SENSE+
CHARGE SOURCE SIDE
R
SNS
SENSE-
BATTERY-
C
IN
CONTROL
R
GATE
R
G
TOGETHER TO MINIMIZE LOOP
LOOP1
C
SENSE TRACES RUN CLOSE
I
INDUCTANCE
CHARGE SOURCE-
Q
Q
SWITCH
S
LOOP AREAS MINIMIZED
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D
CONTROL
S
D
SWITCH
SENSE+
L
S
L
SWITCH
LOOP2
R
SNS
C
O
SENSE-
C
OUT
BATTERY-
PROPER KELVIN CONNECTION
BATTERY SIDE
BATTERY SIDE
BACKSIDE
GROUND PLANE
AT SENSE RESISTOR