PS200 データシートの表示（PDF） - Microchip Technology

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PS200

PowerSmart® Configurable Battery Charger

Microchip Technology 

PS200

PowerSmart® Configurable Battery Charger

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

VDD 1

LED2 2

VIN 3

RESET 4

CTRLOUT 5

CHGOUT 6

LOOPFBK 7

LOOPIN 8

CTRLIN 9

LED1 10

20 VSS

19 TEMP

18 VOVP

17 SHDN

16 CHGFBK

15 BATID

14 IFBOUT

13 IFBINA

12 IFBINB

11 HVOUT

20-Pin PDIP, SOIC, SSOP

© 2005 Microchip Technology Inc.

DS21891B-page 1

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