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Apex Digital EK49 Manual

Evaluation kit
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APPLICABLE PARTS (SOLD SEPARATELY)
•
MP165
INTRODUCTION
This easy to use kit provides a platform with good circuit board layout and grounding to evaluate the
MP165 Power Amplifier. The evaluation board provides options to install a load capacitor and series resistor
to evaluate the MP165 performance with a printhead. All necessary components are provided with the kit.
External connections to the evaluation kit can be made through the connectors at the edges of the circuit.
The circuit provides a line termination of 50Ω.
TP13-1
P13
OCFLG
TP14-1
P14
PDWN
3
2
S1
SPST-N.O.
4
1
+5V
+5V
TP16-1
P16
+5V
TP17-1
C1
1uF
P17
GND
TP15-1
P15
VTMP
TP1-1
P1
-IN
RT1
X1
51
TP21-1
TP2-1
P2
+IN
RT2
51
TP22-1
www.apexanalog.com
Evaluation Kit
Figure 1: Circuit Configure Diagram
R1
+5V
2K
VTMP
+IN
ILIM+
ILIM-
-IN
CC1
CC2
D2
2
1
3.3pF
3.3pF
D1
RIN1
1
2
RFB3
CFB1
2K
RFB1
49.9K
RIN2
2K
X2
1
HS31
2
© Apex Microtechnology Inc.
All rights reserved
D6
18V
OUT
MP165KL
D5
DUT
18V
RLIM
RS
OUT
0.15 Ohm
RFB2
4
3
EK49
+VB
TP8-1
P8
CBP1
TP7-1
Jumper on
1uF
X3
P7
VB=VS
CBP3
CBP2
1uF
470uF
TP6-1
P6
+VS
-VS
TP5-1
P5
-VS
CBP4
CBP5
1uF
TP4-1
470uF
Jumper on
P4
X4
GND
VB=VS
CBP6
TP3-1
1uF
P3
-VB
-VB
TP11-1
P11
+VS
TP10-1
P10
GND
400V
D3
TP12-1
RISO
P12
RN
400V
D4
CNF
-VS
Oct 2019
EK49U Rev A
+VB
GND
+VS
OUT_1
OUT_2

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Summary of Contents for Apex Digital EK49

  • Page 1 EK49 Evaluation Kit APPLICABLE PARTS (SOLD SEPARATELY) • MP165 INTRODUCTION This easy to use kit provides a platform with good circuit board layout and grounding to evaluate the MP165 Power Amplifier. The evaluation board provides options to install a load capacitor and series resistor to evaluate the MP165 performance with a printhead.
  • Page 2 EK49 Figure 2: Circuit Board Layout EK49U Rev A...

  • Page 3: Parts List

    EK49 PARTS LIST Reference Manufacturer Part # Description Resistors RT1, RT2 PR01000105109JR500 51Ω, 1W, 5% RIN1, RIN2 CMF552K0000FHEB 2kΩ, 1/2W, 1% RFB1 CMF5549K900FHEB 49.9kΩ, 1/2W, 1% RLIM 15FR150E 0.15Ω, 5W, 1% Diodes D1, D2 1N4148TR Diode, General Purpose D3, D4...

  • Page 4: Before You Get Started

    EK49 BEFORE YOU GET STARTED • All Apex Microtechnology amplifiers should be handled using proper ESD precautions. • Always use the heatsink included in this kit. • Always use adequate power supply bypassing. • Do not change the connections while the circuit is powered.
  • Page 5 EK49 Figure 3: Evaluation Kit Assembly (Top View) 1. 23 x MS11 Cage Jacks 2. 2 x #4 Screw, Pan Head Figure 4: Evaluation Kit Assembly (Bottom View) 1. 4 x #8, 0.375" Screw 2. 4 x Spacer Grommets 3. 4 x #8 , 0.98" Screw 4.

  • Page 6: Test Setup

    Begin the test with minimum values of input and supply voltages. Figure 5 and 6 show the input, output and over current flag waveforms when a MP165 is evaluated using the EK49 evaluation kit. The yellow waveform (channel 1) represents an input signal of 4V and the cyan waveform (channel 2) represents an output signal of 100V .
  • Page 7 EK49 Figure 5: Normal Operation Figure 6: Current Limit Operation EK49U Rev A...
  • Page 8 EK49 NEED TECHNICAL HELP? CONTACT APEX SUPPORT! For all Apex Microtechnology product questions and inquiries, call toll free 800-546-2739 in North America. For inquiries via email, please contact apex.support@apexanalog.com. International customers can also request support by contacting their local Apex Microtechnology Sales Representative. To find the one nearest to you, go to www.apexanalog.com...