PS200 datasheet(3/36 Pages) MICROCHIP

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DS21891B-page 1

PS200

Features

• User configurable battery charger.

• Firmware available for the following cell

chemistries:

- Lithium Ion/Polymer (available now)

- NiMH, NiCd (available Q2 2005)

- Pb Acid (available Q3 2005)

• 10-bit ADC for voltage, current and temperature

measurement:

- Accurate Voltage Regulation (+/-1%)

- Accurate Current Regulation (+/-5%)

• Maximum integration for optimal size:

- Integrated voltage regulator

- Internal 8 MHz clock oscillator

- High-Frequency Switch mode charging –

configurable switching frequency up to 1 MHz

• 256 bytes EEPROM storage for charging

parameters

• Switch mode charger supports buck and

synchronous buck topologies

• Configurable charge status display via two LEDs

• Power-on Reset (POR)

• Brown-out Reset (BOR)

• Power-saving Sleep mode

Applications

• Notebook Computers

• Personal Data Assistants

• Cellular Telephones

• Digital Still Cameras

•Camcorders

• Portable Audio Products

• Bluetooth® Devices

• Flashlights

• Power Tools

Pin Diagram

20-Pin PDIP, SOIC, SSOP

VDD

LED2

VIN

RESET

CTRLOUT

CHGOUT

LOOPFBK

LOOPIN

CTRLIN

LED1

VSS

TEMP

VOVP

SHDN

CHGFBK

BATID

IFBOUT

IFBINA

IFBINB

HVOUT

PowerSmart® Configurable Battery Charger

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