LX2206_07 MICROSEMI [Microsemi Corporation], LX2206_07 Datasheet

LX2206_07

Manufacturer Part Number

LX2206_07

Description

TM Dual Level Lithium Ion Battery Charger

Manufacturer

MICROSEMI [Microsemi Corporation]

Datasheet

1.LX2206_07.pdf (14 pages)

Current page: 1 of 14
Download datasheet (302Kb)

Rev. 1.3a, 2007-08-28

wall adapter or USB power source to

charge a single cell Lithium Ion or

Lithium Polymer battery. There are

two logic selectable and program-

mable charge current levels which can

be set from anywhere between 50mA

to 1A. The termination current is 1/10

the charge level set by the High Level

Programming Current Pin.

DCOK) can be configured to show

charge in progress, battery fully

charged and external power on. The

STAT pin is capable of sourcing or

sinking 10mA. The DCOK output is

an open drain output.

IMPORTANT: For the most current data, consult MICROSEMI’s website:

The LX2206 can be used with a

Power status indicators (STAT and

Adapter or USB

High/Low Charge Current

Current

Programming

Control Logic

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

Shutdown

Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX2206ILD-TR)

-40 to 85

D E S C R I P T I O N

(°C)

current sleep mode when power is

removed or when it is logically

shutdown to minimize battery drain.

which include: under voltage lock out,

inrush current limiting, reverse current

blocking on the IN pin, a thermal loop

to reduce charge current to maintain a

low die temperature, an unsafe battery

temperature

conditioning mode is provided for

deeply discharged batteries.

The LX2206 enters a low quiescent

There are several protection features

P R O D U C T H I G H L I G H T

P A C K A G E O R D E R I N F O

Analog Mixed Signal Group

CMP

H/L

HCP

LCP

Plastic MLPD 10-Pin

Microsemi

http://www.microsemi.com

LX2206

charge

GND

RoHS Compliant / Pb-free

DCOK

Dual Level Lithium Ion Battery Charger

LX2206ILD

STAT

inhibitor,

TMP

BAT

Battery

and

RODUCTION

Status

Charging

Full

Power On

Two Independent

Programmable Charge

Currents

0.5% Float Voltage Tolerance

Charging up to 1A.

Charging from USB Port.

USB Current Compliance

Full Battery Indicator

CC/CV w Thermal Feedback

Battery Temperature Monitor

Precision Charge Termination

Power Good Indication

MP3 Player

PDA

PMC

Digital Camera

Charge Cradle

ATA

K E Y F E A T U R E S

A P P L I C A T I O N S

Battery

Temperature

Lockout

Sensing

HEET

DCOK

LX2206

Page 1

Related parts for LX2206_07

LX2206_07 Summary of contents

Page 1

The LX2206 can be used with a wall adapter or USB power source to charge a single cell Lithium Ion or Lithium Polymer battery. There are two logic ...

Supply Input Voltage (IN, BAT) ...................................................................... -0. All other pins ............................................................................................-0. Battery Charging ...

Page 3

TM -- Unless otherwise specified, the following specifications apply over the operating ambient temperature -40°C and the following test conditions 5.0V Low; H/L = High; BAT = 3.6V; H Parameter INPUT CIRCUITRY Input Voltage Battery Voltage ...

Page 4

TM SD TMP IN H/L LCP HCP GND Copyright © 2007 Rev. 1.3a, 2007-08-28 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 ® Dual Level Lithium Ion Battery Charger P RODUCTION ...

Page 5

TM START YES > BAT YES YES UVLO NO VOLTAGE MONITORING M ODE (STATE <97% BAT YES NO V >60% BAT YES CONSTANT CURRENT CHARGE MODE NO 130 TEM P < YES ...

Page 6

TM Figure 1 – Typical Application – 500mA maximum charge currents with three indicators and battery temperature lockout. A grounded spare pin in the USB power cable can be used to sense when the 500mA USB current power ...

Page 7

ENERAL ESCRIPTION The LX2206 is designed to charge a single cell Lithium Ion battery using two steps: a constant current mode followed by a constant voltage mode. The maximum charging current during the Constant Current Mode of ...

Page 8

TM L AYOUT In the layout of the Printed Circuit Board (PCB important to provide a solid path from the IC power and ground pins to the power and ground planes of the PCB to provide a good ...

Page 9

ATTERY EMPERATURE ONITOR The LX2206 has an input to monitor the battery temperature during battery charging; this method assumes the battery pack contains a thermistor expressly for this purpose. A typical Lithium ion battery should only ...

Page 10

TM The final circuit for this example is 121k TMP 24.9k R The TMP voltages with this circuit are: TEMP (°C) RNTC -20 971k 0 327k 25 100k 60 24.9k 80 12. OWER TATUS NDICATORS ...

Page 11

Battery Charging USB High Level 4.25 4.20 4.15 4.10 4.05 4.00 3.95 3.90 0.0 60.0 Time in minutes ...

Page 12

Page 13

TM LD 10-Pin Plastic MLP Dual Exposed Pad D Top View Note: 1. Dimensions do not include mold flash or protrusions; these shall not exceed 0.155mm(.006”) on any side. Lead dimension shall not include solder coverage. Copyright © 2007 Rev. ...

Page 14

TM PRODUCTION DATA – Information contained in this document is proprietary to Microsemi and is current as of publication date. This document may not be modified in any way without the express written consent of Microsemi. Product processing does not ...

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