MAX8606ETD+T Maxim Integrated Products, MAX8606ETD+T Datasheet

MAX8606ETD+T

Manufacturer Part Number

MAX8606ETD+T

Description

IC CHARGER LI+ W/SW 14TDFN

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX8606ETDT.pdf (14 pages)

Specifications of MAX8606ETD+T

Function

Charge Management

Battery Type

Lithium-Ion (Li-Ion)

Voltage - Supply

4.25 V ~ 5.5 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

14-WFDFN Exposed Pad

Product

Charge Management

Output Voltage

3.3 V

Operating Supply Voltage

6 V to 14 V

Supply Current

1.2 mA

Maximum Operating Temperature

+ 85 C

Minimum Operating Temperature

- 40 C

Charge Safety Timers

Yes

Mounting Style

SMD/SMT

Temperature Monitoring

Yes

Uvlo Start Threshold

4 V

Uvlo Stop Threshold

3.5 V

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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The MAX8606 complete 1-cell Li+ battery charge-man-

agement IC operates from either a USB port or AC

adapter. It integrates a battery disconnect switch, cur-

rent-sense circuit, PMOS pass element, and thermal-

regulation circuitry, while eliminating the external

reverse-blocking Schottky diode, to create a simple

and small charging solution. The charging sequence

initiates from power-OK indication, through prequalifi-

cation, fast-charge, top-off charge, and finally charg-

ing-complete indication for single-cell Li+ batteries.

Charging is controlled using constant current, constant

voltage, or constant die-temperature (CCCVCT

lation for safe operation in handhelds.

Two logic inputs (EN1 and EN2) select suspend mode,

100mA, 500mA, or ≤1A input current limits to suit USB

requirements. Proprietary thermal-regulation circuitry

limits the die temperature to +100°C to prevent exces-

sive heat on the system PC board. Additional safety

features include an NTC thermistor input (THM) and

internal timers to protect the battery. A 3.5V to 4.2V SYS

output, in conjunction with the low-R

switch, powers the system even when the battery is

deeply discharged or not installed. The IC also offers a

+3.3V/500µA output (VL), a charging status flag (CHG),

and an input-supply detection flag (POK). The

MAX8606 operates from a +4.25V to +5.5V supply and

includes undervoltage lockout below +3.4V and over-

voltage protection up to +14V.

19-3795; Rev 1; 12/08

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

with Integrated 50m Ω Battery Switch in TDFN

TOP VIEW

Cellular Phones, Smartphones, PDAs

Digital Cameras, MP3 Players

USB Appliances, Charging Cradles and Docks

USB/AC Adapter, Li+ Linear Battery Charger

________________________________________________________________ Maxim Integrated Products

General Description

MAX8606

TDFN

Pin Configuration

Applications

DSON

battery

) regu-

♦ Small 3mm x 3mm Thermally Enhanced TDFN

♦ USB-Compliant Suspend Mode (20µA)

♦ Selectable 100mA, 500mA, and Up to 1A Input

♦ USB or AC Adapter Input

♦ +6V to +14V Input Overvoltage Protection

♦ Input UVLO Below +4V Rising (3.5V Falling)

♦ Automatic Current Sharing Between Battery

♦ Die Temperature Regulation (+100°C)

♦ Prequal, Fast-Charge, and Top-Off Timers

♦ Low Dropout Voltage, 250mV at 0.5A

♦ NTC Thermistor Input

♦ Charge Status and Input-Supply Detection Flags

+ Denotes lead-free/RoHS-compliant package.

MAX8606ETD+

STAND-ALONE

Package (0.8mm max height)

Current Limits

Charging and System

USB/AC-ADAPTER

SELECTION

PART

OVP UP TO 14V

CURRENT

INPUT

μP

Typical Operating Circuit

-40°C to +85°C

TEMP RANGE

GND

EN1

EN2

TMR

SETI

Ordering Information

CONTROL

MAX8606

PIN-PACKAGE

14 TDFN 3mm x

3mm (T1433-1)

CHG

THM

POK

SYS

BAT

3.5V TO 4.2V

Features

INDICATORS

STATUS

MARK

Li+

TOP

AAF

0.1μF

Related parts for MAX8606ETD+T

MAX8606ETD+T Summary of contents

Page 1

... TDFN ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. ♦ Small 3mm x 3mm Thermally Enhanced TDFN Package (0.8mm max height) ♦ USB-Compliant Suspend Mode (20µA) ♦ Selectable 100mA, 500mA, and Input Current Limits ♦ ...

Page 2

USB/AC Adapter, Li+ Linear Battery Charger with Integrated 50m Ω Battery Switch in TDFN ABSOLUTE MAXIMUM RATINGS IN to GND .............................................................. -0.3V to +16V BAT, SYS, EN1, EN2, POK, CHG, TMR to GND.......-0.3V to +6V VL, SETI, THM to GND ...

Page 3

USB/AC Adapter, Li+ Linear Battery Charger with Integrated 50m Ω Battery Switch in TDFN ELECTRICAL CHARACTERISTICS (continued) = 3.3V, EN1 = EN2 = GND 5.0V BAT noted. Typical values are +25°C.) (Note ...

Page 4

Page 5

USB/AC Adapter, Li+ Linear Battery Charger with Integrated 50m Ω Battery Switch in TDFN = 0, EN1 = 1, EN2 = 0, circuit of Figure +5V 3.6V BAT SYS SUPPLY CURRENT vs. ...

Page 6

USB/AC Adapter, Li+ Linear Battery Charger with Integrated 50m Ω Battery Switch in TDFN PIN NAME Batter y C onnecti on. The ver s char cur r ent and m oni tor s ...

Page 7

USB/AC Adapter, Li+ Linear Battery Charger with Integrated 50m Ω Battery Switch in TDFN ANY CHARGING STATE R > 3.93kΩ AND 305Ω < R THM R < 28.3kΩ R > 28.3kΩ THM THM TEMPERATURE SUSPEND BAT POK ...

Page 8

USB/AC Adapter, Li+ Linear Battery Charger with Integrated 50m Ω Battery Switch in TDFN IN EN1 CURRENT-LIMIT EN2 CIRCUITRY SETI OVLO UVLO VL VL LDO GND Figure 2. MAX8606 Block Diagram 8 _______________________________________________________________________________________ BODY- DIODE CONTROL LOGIC CIRCUITRY THERMAL REGULATION ...

Page 9

USB/AC Adapter, Li+ Linear Battery Charger with Integrated 50m Ω Battery Switch in TDFN VL Internal Voltage Regulator The MAX8606 linear charger contains an internal linear regulator to supply the power for the IC. Bypass VL to GND with a ...

Page 10

USB/AC Adapter, Li+ Linear Battery Charger with Integrated 50m Ω Battery Switch in TDFN Connect a 4.7µF ceramic capacitor from IN to GND as close to the IC as possible. Use a larger input bypass capacitor to reduce supply noise. ...

Page 11

USB/AC Adapter, Li+ Linear Battery Charger with Integrated 50m Ω Battery Switch in TDFN +5V AC-ADAPTER INPUT V USB +5V R3 10kΩ Figure 4. USB Application with AC Adapter VBUS GND USB PORT D+ D- Figure 5. USB Charger Application ...

Page 12

USB/AC Adapter, Li+ Linear Battery Charger with Integrated 50m Ω Battery Switch in TDFN For the latest package outline information and land patterns www.maxim-ic.com/packages. PACKAGE TYPE 14 TDFN 12 ______________________________________________________________________________________ Package Information PACKAGE CODE T2444-4 DOCUMENT NO. 21-0137 ...

Page 13

USB/AC Adapter, Li+ Linear Battery Charger with Integrated 50m Ω Battery Switch in TDFN For the latest package outline information and land patterns www.maxim-ic.com/packages. COMMON DIMENSIONS SYMBOL MIN. MAX. A 0.70 0.80 D 2.90 3.10 E 2.90 3.10 ...

Page 14

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 14 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2008 Maxim Integrated Products ...

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