MAX1538EVKIT Maxim Integrated, MAX1538EVKIT Datasheet

MAX1538EVKIT

Manufacturer Part Number

MAX1538EVKIT

Description

Power Management IC Development Tools MAX1538EVKIT

Manufacturer

Maxim Integrated

Type

Battery Managementr

Series

MAX1538r

Datasheet

1.MAX1538EVKIT.pdf (9 pages)

Specifications of MAX1538EVKIT

Product

Evaluation Kits

Tool Is For Evaluation Of

MAX1538

Input Voltage

4.75 V to 28 V

Output Voltage

3.3 V

Description/function

Evaluation kit for MAX1538

Maximum Operating Temperature

+ 85 C

Minimum Operating Temperature

- 40 C

Output Current

0.025 A

For Use With

MAX1538

Current page: 1 of 9
Download datasheet (574Kb)

The MAX1538 evaluation kit (EV kit) is a fully assembled

and tested surface-mount circuit board that routes

charge and discharge currents between two battery

packs, a battery charger, and an AC-adapter power

source. The circuit uses a MAX1538 IC in a 28-pin thin

QFN package and is configured for a 4.75VDC to

28VDC AC-adapter input range.

The EV kit uses eight P-channel MOSFETs to steer cur-

rent between the power sources and the load. The bat-

tery minimum voltage level sets the threshold for battery

undervoltage conditions and can be adjusted from

4.65V to 13.0V.

19-3220; Rev 1; 4/04

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.

DESIGNATION QTY

C4, C5, C6

D2, D3, D4

C12, C13

C7, C11

C8, C9

C10

C14

________________________________________________________________ Maxim Integrated Products

1.0µF ±20%, 10V X5R ceramic

capacitor (0603)

TDK C1608X5R1A105M

Not installed (2220)

Not installed (D-case)

47µF, 35V low-ESR tantalum

capacitors (E-case)

AVX TPSE476M035R0250 or

AVX TPSE476M035R0200

0.1µF ±20%, 50V X7R ceramic

capacitors (0603)

TDK C1608X7R1H104M

0.1µF ±20%, 10V X5R ceramic

capacitors (0402)

TDK C1005X5R1A104M

4.7µF ±20%, 6.3V X5R ceramic

capacitor (0805)

TDK C2012X5R0J475M

Not installed (0805)

1.0µF, 50V X 7R cer am i c cap aci tor

( 1206)

TDK C3216X7R1H105M

Dual diode (SOT23)

Central Semiconductor CMPD3003C

Top mark = LLC

Green surface-mount LEDs (SS)

Panasonic LNJ308G8LRA

Dual-row, 16-pin header

General Description

DESCRIPTION

MAX1538 Evaluation Kit

♦ 4.75V to 28V AC-Adapter Input Range

♦ Up to 10A Steering Capability

♦ P-Channel MOSFET Steering Switches

♦ Adjustable Battery Minimum Voltage Level

♦ Adjustable Airline/AC-Adapter Detection Voltages

♦ Manual-or Computer-Controlled Interface

♦ On-Board Status LEDs

♦ Surface-Mount Components

♦ Fully Assembled and Tested

MAX1538EVKIT

DESIGNATION QTY

R8, R9, R14

R4, R5, R6

SW1–SW3

TP1–TP12

R15, R16

R17, R18

JU1–JU5

R10–R13

TB1–TB4

N1–N3

R2, R3

U3, U4

P1–P8

None

PART

TEMP RANGE

0°C to +70°C

Ordering Information

Not installed (SIP-2)

Digital logic N-channel MOSFETs

(SOT23)

Central Semiconductor 2N7002

Top mark = 702

30V P-channel MOSFETs (8-pin SO)

Fairchild FDS6679

100kΩ ±5% resistor (0402)

10kΩ potentiometers, 12-turn, 1/4in

330kΩ ±5% resistors (0402)

10mΩ ±2%, reverse-geometry sense

resistor (1225)

IRC LRC-LRF1225-01-R010-F

620Ω ±5% resistors (1206)

160kΩ ±5% resistors (0402)

500kΩ potentiometers, 12-turn, 1/4in

Not installed (2010)

3-position, SPDT, slide switches

2-circuit terminal blocks

Test points

Maxim MAX1538ETI (28-pin QFN)

Maxim MAX1615EUK (5-pin SOT23)

Top mark = ABZD

Maxim MAX6817EUT (6-pin SOT23)

Top mark = AAAU

MAX1538 EV Kit PC board

Component List

DESCRIPTION

IC PACKAGE

28 Thin QFN

Features

Related parts for MAX1538EVKIT

MAX1538EVKIT Summary of contents

Page 1

... Adjustable Airline/AC-Adapter Detection Voltages ♦ Manual-or Computer-Controlled Interface ♦ On-Board Status LEDs ♦ Surface-Mount Components ♦ Fully Assembled and Tested Ordering Information PART TEMP RANGE MAX1538EVKIT 0°C to +70°C Component List DESIGNATION QTY JU1–JU5 5 Not installed (SIP-2) Digital logic N-channel MOSFETs (SOT23) N1– ...

Page 2

MAX1538 Evaluation Kit SUPPLIER AVX Central Semiconductor Fairchild IRC Panasonic TDK Note: Please indicate that you are using the MAX1538 when contacting these component suppliers. Recommended Equipment • Two 16.8VDC Li+ battery packs • One variable 16.8V, 1A current-limited DC ...

Page 3

MAX1538 EV KIT ADPIN (DC SUPPLY) GND RSNS+ RSNS- EXTLD GND BATB TB4 BATTERY B SYSTEM CURRENT SENSE (DC SUPPLY) INPUT OUTPUT BATTERY CHARGER Figure 1. MAX1538 EV Kit Connection Diagram Potentiometers (R15, R16) allow easy adjustment of the minimum ...

Page 4

MAX1538 Evaluation Kit Output Indicators The MAX1538 EV kit features LEDs that indicate the sta- tus of the MAX1538 output lines. A lit LED indicates an output state of 1, while an unlit LED indicates an output state of zero. ...

Page 5

R3 HOSTVCC 10kΩ 3 HOSTVCC 2 GND R6 330kΩ R5 OUT0 330kΩ R4 330kΩ OUT1 OUT2 VDD R12 160kΩ R16 500kΩ R10 R13 160kΩ 160kΩ 3 R15 2 500kΩ 1 R11 160kΩ HOSTVCC J1 J1-2 J1-1 CUT HERE OUT2 J1-4 ...

Page 6

MAX1538 Evaluation Kit EXTLD JU1 CUT HERE 0.1µF 2 MAX1615 GND VCC 3 OUT C10 4.7µF VCC VCC 620Ω 620Ω OUT0 2 2 Figure 2. MAX1538 ...

Page 7

Figure 3. MAX1538 EV Kit Component Placement Guide—Component Side _______________________________________________________________________________________ MAX1538 Evaluation Kit 7 ...

Page 8

MAX1538 Evaluation Kit Figure 4. MAX1538 EV Kit PC Board Layout—Component Side 8 _______________________________________________________________________________________ ...

Page 9

... 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. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________ 9 © 2004 Maxim Integrated Products ...

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