STC3100

更新时间： 2024-10-01 06:14:31

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		计数器电池监控
页数	文件大小	规格书
21页	284K
描述
Battery monitor IC with Coulomb counter/gas gauge

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中文翻译

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STC3100 数据手册

STC3100

Battery monitor IC with Coulomb counter/gas gauge

Features

■ Battery voltage monitoring

■ Internal temperature sensor

MiniSO-8

(Plastic micropackage)

■ Coulomb counter with 12/14-bit AD converter,

+/- 80 mV input voltage range

■ Internal or external 32768 Hz time base

■ I2C interface for gas gauge monitoring and

device control

■ 32-RAM bytes

DFN8 3x3

(Plastic micropackage)

■ 8-byte unique device ID

■ One general-purpose I/O

Applications

■ Cellular phones, PDA, MP3 players, cordless

Pin connections

(top view)

phones

■ Digital cameras, USB appliances, Bluetooth

devices

IO0

VIN

VCC

ROSC

Description

SDA

SCL

GND

The STC3100 monitors the critical parameters of

a single-cell Li-Ion battery (voltage, temperature

and current) and includes hardware functions to

implement a gas gauge for battery charge

monitoring, based on a programmable 12- to

14-bit A/D converter. With a typical 30 milliOhms

external sense resistor, the battery current can be

up to 2.5 A and the accumulator system provides

a capacity up to +/-7000 mAh with a resolution of

0.2 mAh.

The device is programmable through the I2C

interface.

January 2009

Rev 1

1/21

www.st.com

12 3 4 5 6 7...21

中文翻译

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