DS2715 Ver la hoja de datos (PDF) - Maxim Integrated

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DS2715

NiMH Battery Pack Charge Controller

Maxim Integrated 

DS2715: NiMH Battery Pack Charge Controller

Figure 7. Switching Circuit with Example Layout

+ Charge

Source

- Side

- Charge

Source

+ Side

Control

R1

D2

Q1

C1

Loop1

C2

D1

L1

Loop2

C3

Loop Areas

Minimized

C

1

C2

D1

C3

R Q1

L1

1

+

Battery

- Side

-

Battery

Side

+

D2

Control

Backside

Ground Plane

Another important layout detail is the connection of the sense resistor. Proper Kelvin connection layout should be

used to ensure the signal quality viewed by the sensing circuit inside the DS2715 is adequate. Figure 8 shows a

recommended connection of the sense lines to the resistor footprint.

Figure 8. Sense Resistor Connection Layout

Package Information

For the latest package outline information and land patterns, go to www.maxim-ic.com/packages.

PACKAGE TYPE

PACKAGE CODE

DOCUMENT NO.

16 SO

—

21-0041

16 of 17

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