General Description

The MAX9921 evaluation kit (EV kit) is a fully assembled

and tested PCB that demonstrates the capabilities of

the MAX9921 dual 2-wire Hall-effect sensor interface

with diagnostics capability. The EV kit comes with the

MAX9921AUB+ installed.

Features

♦ 6V to 18V Operating Voltage Range, Survives 60V

♦ Two 2-Wire Hall-Effect Sensors on the Board

♦ Three Output Status LED Indicators

♦ Proven PCB Layout

♦ Fully Assembled and Tested

MAX9921 Evaluation Kit

________________________________________________________________

Maxim Integrated Products

1

19-4165; Rev 0; 6/08

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

Ordering Information

Component Suppliers

DESIGNATION

QTY

DESCRIPTION

C1, C3

2

0.01µF

±10%, 100V X7R ceramic

capacitors (0603)

TDK C1608X7R2A103K

C2, C4

0

Not installed, capacitors

C5, C6, C7

3

0.1µF

±10%, 100V X7R ceramic

capacitors (0805)

TDK C2012X7R2A104K

C8

1

1µF

±10%, 25V X5R ceramic

capacitor (0805)

TDK C2012X5R1E105K

C9

1

2.2µF

±10%, 100V X5R ceramic

capacitor (1812)

TDK C4532X7R2A225K

D1

1

100V, 200mA diode (SOD123)

Central CMHD4448

D2, D3

2

Green LEDs (0603)

D4

1

Red LED (0603)

J1

0

Not installed

Component List

DESIGNATION

QTY

DESCRIPTION

JU1, JU2

2

5-pin, 4-way headers

JU3–JU7

5

2-pin headers

R1

1

63.4k

Ω ±1% resistor (0603)

R2–R5

4

100k

Ω ±5% resistors (0603)

R6, R7, R8

3

240

Ω ±5% resistors (0603)

S1, S2

2

Hall-effect switches

Allegro A1140EUA

S3, S4

0

Not installed, switches

U1

1

Automotive Hall-effect interface

Maxim MAX9921AUB+

U2

1

Automotive micropower linear

regulator (6 TDFN)

Maxim MAX6765TTLD2+

U3

1

Triple-buffer gate (8 TSSOP)

—

7

Shunts

—

1

PCB: MAX9921 Evaluation Kit+

SUPPLIER

PHONE

WEBSITE

Central Semiconductor Corp.

631-435-1110

www.centralsemi.com

TDK Corp.

847-803-6100

www.component.tdk.com

PART

TYPE

MAX9921EVKIT+

EV Kit

+

Denotes lead-free and RoHS compliant.

µMAX is a registered trademark of Maxim Integrated Products, Inc.

Note: Indicate that you are using the MAX9921 when contacting these component suppliers.