19-4165; Rev 0; 6/08
MAX9921 Evaluation Kit
Evluates:MAX921
General Description
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
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.
♦ Fully Assembled and Tested
Ordering Information
PART
TYPE
MAX9921EVKIT+
EV Kit
+Denotes lead-free and RoHS compliant.
Component List
DESIGNATION
JU1, JU2
JU3–JU7
R1
QTY
DESCRIPTION
DESIGNATION
C1, C3
QTY
DESCRIPTION
0.01µF 10%, 100V X7R ceramic
capacitors (0603)
TDK C1608X7R2A103K
2
5
1
4
3
5-pin, 4-way headers
2
0
3
2-pin headers
63.4kΩ 1% resistor (0603)
100kΩ 5% resistors (0603)
240Ω 5% resistors (0603)
C2, C4
Not installed, capacitors
R2–R5
0.1µF 10%, 100V X7R ceramic
capacitors (0805)
R6, R7, R8
C5, C6, C7
Hall-effect switches
Allegro A1140EUA
TDK C2012X7R2A104K
S1, S2
S3, S4
2
0
1µF 10%, 25V X5R ceramic
capacitor (0805)
C8
1
Not installed, switches
TDK C2012X5R1E105K
Automotive Hall-effect interface
(10 µMAX )
Maxim MAX9921AUB+
®
2.2µF 10%, 100V X5R ceramic
capacitor (1812)
TDK C4532X7R2A225K
U1
U2
1
1
C9
D1
1
1
Automotive micropower linear
regulator (6 TDFN)
Maxim MAX6765TTLD2+
100V, 200mA diode (SOD123)
Central CMHD4448
U3
—
—
1
7
1
Triple-buffer gate (8 TSSOP)
Shunts
D2, D3
D4
2
1
0
Green LEDs (0603)
Red LED (0603)
Not installed
PCB: MAX9921 Evaluation Kit+
J1
Component Suppliers
SUPPLIER
PHONE
WEBSITE
Central Semiconductor Corp.
TDK Corp.
631-435-1110
847-803-6100
www.centralsemi.com
www.component.tdk.com
Note: Indicate that you are using the MAX9921 when contacting these component suppliers.
µMAX is a registered trademark of Maxim Integrated Products, Inc.
________________________________________________________________ Maxim Integrated Products
1
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.