MC33348D-5

更新时间： 2024-09-12 22:15:35

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		电池
页数	文件大小	规格书
12页	188K
描述
LITHIUM BATTERY PROTECTION CIRCUIT FOR ONE CELL SMART BATTERY PACKS

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MC33348D-5 数据手册

Order this document by MC33348/D

LITHIUM BATTERY

PROTECTION CIRCUIT

FOR

ONE CELL

SMART BATTERY PACKS

The MC33348 is a monolithic lithium battery protection circuit that is

designed to enhance the useful operating life of a one cell rechargeable

battery pack. Cell protection features consist of internally trimmed charge

and discharge voltage limits, discharge current limit detection with a

delayed shutdown, and a virtually zero current sleepmode state when the

cell is discharged. An additional feature includes an on–chip charge pump

for reduced MOSFET losses while charging or discharging a low cell

voltage battery pack. This protection circuit requires a minimum number of

external components and is targeted for inclusion within the battery pack.

This MC33348 is available in standard SOIC 8 lead surface mount

package.

SEMICONDUCTOR

TECHNICAL DATA

• Internally Trimmed Charge and Discharge Voltage Limits

• Discharge Current Limit Detection with Delayed Shutdown

• Virtually Zero Current Sleepmode State when Cells are Discharged

• Charge Pump for Reduced Losses with a Low Cell Voltage Battery Pack

• Dedicated for One Cell Applications

• Minimum Components for Inclusion within the Battery Pack

• Available in a Low Profile Surface Mount Package

Ordering Information shown on following page.

D SUFFIX

PLASTIC PACKAGE

CASE 751

(SO–8)

Typical One Cell Smart Battery Pack

Cell

Voltage

PIN CONNECTIONS

Charge Pump

Output

Cell Voltage

Test

MC33348

Ground

Charge Gate

Drive Output

Ground

Test

Charge Pump

Output

Charge Gate Drive

Common/Discharge

Current Limit

Discharge Gate

Drive Output

Discharge

Gate Drive

Charge

Gate Drive

Charge

Gate Drive

Common/

Discharge

Current Limit

Output

(Top View)

This device contains 1170 active transistors.

This document contains information on a new product. Specifications and information herein

Motorola, Inc. 1997

Rev 1

are subject to change without notice.

MOTOROLA ANALOG IC DEVICE DATA

12 3 4 5 6 7...12

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