Datasheet4U Logo Datasheet4U.com

PS334 Datasheet Programmable Smbus Smart Battery Ic

Manufacturer: Power Smart

Overview: .. Preliminary PS334 Li Ion Smart Battery Manager.

Datasheet Details

Part number PS334
Manufacturer Power Smart
File Size 342.79 KB
Description Programmable Smbus Smart Battery ic
Datasheet PS334_PowerSmart.pdf

General Description

• Performs all major Li Ion battery 28 management functions including INPUT VDSS 1 EE-SCK SMB-CLK 27 2 - Accurate capacity monitoring 26 EE-CS SMB-DTA 3 - Direct control of external charge VREFT OUTPUT1 4 PS334 25 circuitry (e.g.

PWM) 24 VNTC OUTPUT2 5 - Direct control of secondary safety 23 VCELL1 OUTPUT3 6 22 VASS1 OUTPUT4 7 functions 21 VCELL2 OUTPUT5 8 • Six independently programmable output 20 VCELL3 VDDD 9 pins can be assigned as SOC LED outputs, 19 VCELL4 OUTPUT6 10 18 VADD EE-SI/SO direct charge control, or additional levels 11 17 VSHP OSCIN 12 of safety control 16 VSHM OSCOUT 13 • Fully pliant with industry standard VASS2 VREG 15 14 Smart Battery Data Specification V1.1a 0.209 mil SSOP - SMBus V1.1 with PEC / CRC-8 28-PIN Package munication with system host • High accuracy measurement of charge / Pin Summary discharge current, voltage, and Pin Name Function temperature with on-chip 14-bit integrating Input LED Switch Input A/D EE-SCK, EE-CS, SPI Serial EEPROM • Precise capacity reporting for all lithiumEE-SI/SO Interface based chemistries using PowerSmart VREFT Reference Voltage patented algorithms and 3D battery cell Output .

models VNTC Temperature A/D Input VCELL1-4 Single Cell Voltage • 3D models and “learned” parameters Inputs stored in external EEPROM;

Key Features

  • Pin.

PS334 Distributor