Datasheet > ISL94208EVZ

ISL94208EVZ

更新时间： 2022-06-24 15:44:44

品牌	Logo	应用领域
英特矽尔 - INTERSIL		电池
页数	文件大小	规格书
36页	916K
描述
4- to 6-Cell Li-ion Battery Management Analog Front-End

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ISL94208EVZ 数据手册

ISL94208

Ordering Information

PART NUMBER

(Notes 1, 2, 3)

PART

MARKING

TEMP RANGE

(°C)

PACKAGE

(Pb-free)

PKG.

DWG. #

ISL94208IRZ

ISL94208EVZ

1. Add “-T*” suffix for tape and reel. Please refer to TB347 for details on reel specifications.

94208 IRZ

-40 to +85

32 Ld 5x5 QFN

L32.5x5B

Evaluation Board

2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte

tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil

Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.

3. For Moisture Sensitivity Level (MSL), please see device information page for ISL94208. For more information on MSL, please see tech brief TB363

Pin Configuration

ISL94208

(32 LD QFN)

TOP VIEW

32 31 30 29 28 27 26 25

TEMPI

VCC

VCELL6

VMON

CFET

CB6

VCELL5

CB5

PAD

DFET

CSENSE

DSENSE

VCELL4

CB4

VCELL3

ISREF

10 11 12 13 14 15 16

Pin Descriptions

PIN NUMBER

PIN NAME

DESCRIPTION

VCC

VCC supply. This pin provides the operating voltage for the IC circuitry. Connect to the positive terminal of the

battery pack through a filter.

14, 12,

10, 8,

6, 4,

VCELL0, VCELL1, Battery terminal N voltage input. For N = 1 to 6, VCELLN connects to the positive terminal of CELLN and the

VCELL2, VCELL3, negative terminal of CELLN + 1.

VCELL4, VCELL5,

VCELL6

VBACK

Sleep mode backup supply. This pin is used to power the logic when the device is asleep and the RGO output

turns off.

31, 32

VFET1, VFET2

FET Drivers power Supply. These pins are used to provide the reference voltages for the power FET gate drivers.

Typically VFET2 connects to VCELL3 (or equivalent voltage) and VFET1 connects to VCELL2 (or equivalent

voltage).

15,11, 9

7, 5, 3

CB1, CB2, CB3, Cell balancing FET driver output N (N = 1 to 6). An internal FET between the CBN and the VCELL(N - 1) can be

CB4, CB5, CB6 turned on to discharge CELLN more than other cells, or to shunt some of the charging current away from CELLN.

This function is used to reduce the voltage on an individual cell relative to other cells in the pack. The cell

balancing FETs are turned on or off by an external controller, using the I²C interface.

VSS

Ground. This pin connects to the most negative terminal in the battery string.

FN8306.1

June 21, 2013

123 4 5 6 7...36

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