MMDFS2P102R2 Ver la hoja de datos (PDF) - Motorola => Freescale

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MMDFS2P102R2

FETKY MOSFET and Schottky Rectifier

Motorola => Freescale 

MMDFS2P102

TYPICAL APPLICATIONS

MULTIPLE BATTERY CHARGERS

Buck Regulator/Charger

Q1

LO

+

Vin

D1

CO

–

Q2

D2

Q3

D3

BATT #1

BATT #2

Li–lon BATTERY PACK APPLICATIONS

Battery Pack

PACK +

Li–Ion

BATTERY

CELLS

SMART IC

DISCHARGE CHARGE

Q1

Q2

SCHOTTKY SCHOTTKY

PACK –

• Applicable in battery packs which require a high current level.

• During charge cycle Q2 is on and Q1 is off. Schottky can reduce power loss during fast charge.

• During discharge Q1 is on and Q2 is off. Again, Schottky can reduce power dissipation.

• Under normal operation, both transistors are on.

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