Datasheet > X3102V28

X3102V28

更新时间： 2024-09-25 12:47:23

品牌	Logo	应用领域
英特矽尔 - INTERSIL		电池光电二极管监控
页数	文件大小	规格书
32页	572K
描述
3 Cell Li-Ion Battery Protection and Monitor IC

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X3102V28 数据手册

X3102

Data Sheet

December 22, 2004

FN8246.0

3 Cell Li-Ion Battery Protection and

Monitor IC

Features

• Software Selectable Protection Levels and Variable

Protect Detection/Release Times

The X3102 is a protection and monitor IC for use in battery

packs consisting of 3 series Lithium-Ion battery cells. The

device provides internal over-charge, over-discharge, and

overcurrent protection circuitry, internal EEPROM memory,

an internal voltage regulator, and internal drive circuitry for

external FET devices that control cell charge, discharge, and

cell voltage balancing.

• Integrated FET Drive Circuitry

• Cell Voltage and Current Monitoring

• 0.5% Accurate Voltage Regulator

• Integrated 4kbit EEPROM

• Flexible Power Management with 1µA Sleep Mode

• Cell Balancing Control

Over-charge, over-discharge, and overcurrent thresholds

reside in an internal EEPROM memory register and are

selected independently via software using a 3MHz SPI serial

interface. Detection and time-out delays can also be

individually varied using external capacitors.

Benefit

• Optimize protection for chosen cells to allow

maximum use of pack capacity.

Using an internal analog multiplexer, the X3102 allows

battery parameters such as cell voltage and current (using a

sense resistor) to be monitored externally by a separate

microcontroller with A/D converter. Software on this

microcontroller implements gas gauge and cell balancing

functionality in software.

• Reduce component count and cost

• Simplify implementation of gas gauge

• Accurate voltage and current measurements

• Record battery history to optimize gas gauge, track pack

failures and monitor system use

The X3102 contains a current sense amplifier. Selectable

gains of 10, 25, 80 and 160 allow an external 10 bit A/D

converter to achieve better resolution than a more expensive

14 bit converter.

• Reduce power to extend battery life

• Increase battery capacity and improve cycle life battery life

Ordering Information

An internal 4kbit EEPROM memory featuring IDLock™,

allows the designer to partition and “lock in” written battery

cell/pack data.

PART

TEMP. RANGE

(°C)

NUMBER

LIMITS

PACKAGE

6V to 24V

X3102V28

-20 to +70

28 Ld TSSOP

The X3102 is housed in a 28 Pin TSSOP package.

Pinout

X3102 (TSSOP)

TOP VIEW

VCELL1

CB1

VCC

RGP

RGC

RGO

UVP/OCP

OVP/LMON

VCELL2

CB2

VCELL3

CB3

VSS

SCK

VSS

VCS1

VCS2

OVT

AS2

AS1

UVT

AS0

OCT

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-352-6832 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6 7...32

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X3102V28 替代型号

型号	品牌	替代类型	描述	数据表
X3101V28	RENESAS	功能相似	3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28, PLASTIC, MO-153AE, TSSOP-28
X3101V28Z	INTERSIL	功能相似	3 or 4 Cell Li-ion Battery Protection and Monitor IC

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