MAX17119EVKIT+ [MAXIM]
Demonstrates 10 High-Voltage, Level-Shifting Scan Drivers;
| 型号： | MAX17119EVKIT+ |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | Demonstrates 10 High-Voltage, Level-Shifting Scan Drivers |
| 文件： | 总9页 (文件大小：985K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
19-5078; Rev 1; 4/10
MAX17119 Evaluation Kit
General Description
Features
S +12V to +38V GON_ Input-Voltage Range
S -12V to -2V GOFF Input-Voltage Range
The MAX17119 evaluation kit (EV kit) is a fully assem-
bled and tested surface-mount PCB that evaluates the
MAX17119 (IC) 10-channel, high-voltage, level-shifting
scan driver for active-matrix, thin-film transistor (TFT),
liquid-crystal display (LCD) applications.
S Resistor-Adjustable LDO Regulator for Logic
Inputs
S Demonstrates 10 High-Voltage, Level-Shifting
The EV kit requires a +12V to +38V power supply (GON1,
GON2) and a -12V to -2V negative power supply (GOFF)
for the IC’s level-shifting scan-driver circuitry.
Scan Drivers
S Fully Assembled and Tested
Ordering Information
PART
TYPE
MAX17119EVKIT+
EV Kit
+Denotes lead(Pb)-free and RoHS compliant.
Component List
DESIGNATION
QTY
DESCRIPTION
DESIGNATION
QTY
DESCRIPTION
A1–A9, FLK1,
FLK2, FLK3,
LDO_OUT, TP1–
TP10, VST, Y1–
Y9, YDCHG
C38–C43, C62,
C64, C65, C66,
C68, C70, C72,
C73, C74, C76,
C87
100pF Q5%, 50V C0G ceramic
capacitors (0402)
Murata GRM1555C1H101J
34
Miniature red test points
17
0.1FF Q10%, 25V X5R ceramic
capacitor (0603)
Murata GRM188R61E104K
10pF Q5%, 50V C0G ceramic
capacitors (0402)
Murata GRM1555C1H100J
C44–C49, C67,
C75, C88
C1
C2
1
1
9
7
7
4
2
2
10FF Q20%, 6.3V X5R ceramic
capacitor (0603)
Murata GRM188R60J106M
51pF Q5%, 50V C0G ceramic
capacitors (0402)
Murata GRM1555C1H510J
C50–C55, C89
C56–C61, C90
1FF Q10%, 50V X7R ceramic
capacitors (0805)
Murata GRM21BR71H105K
4pF Q0.25pF, 50V C0G
ceramic capacitors (0402)
Murata GRM1555C1H4R0C
C5, C6, C7
C8–C13, C82
3
1000pF Q5%, 50V C0G
ceramic capacitors (0402)
Murata GRM1555C1H102J
12pF Q5%, 50V C0G ceramic
capacitors (0402)
Murata GRM1555C1H120J
C63, C69, C71,
C77
7
1800pF Q10%, 50V X7R
ceramic capacitors (0402)
Murata GRM155R71H182K
1.5pF Q0.25pF, 50V C0G
ceramic capacitors (0402)
Murata GRM1555C1H1R5C
C14–C25, C83,
C84
14
7
C78, C81
C79, C80
680pF Q5%, 50V C0G ceramic
capacitors (0402)
Murata GRM1555C1H681J
3pF Q0.25pF, 50V C0G
ceramic capacitors (0402)
Murata GRM1555C1H3R0C
C26–C31, C85
C32–C37, C86
Not installed, ceramic
capacitors (1206)
220pF Q5%, 50V C0G ceramic
capacitors (0402)
Murata GRM1555C1H221J
C91, C92, C93
GND
0
1
7
Miniature black test point
_______________________________________________________________ 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.
MAX17119 Evaluation Kit
Component List (continued)
DESIGNATION
J1
QTY
1
DESCRIPTION
DESIGNATION
R33–R38
QTY
6
DESCRIPTION
2 x 10 right-angle receptacle
2-pin headers, 0.1in centers
3-pin headers, 0.1in centers
178I Q1% resistors (0603)
10IQ 5% resistors (0603)
100kI Q5% resistors (0603)
100kI Q1% resistor (0603)
JU1–JU10
JU11–JU24
10
14
R39, R40, R41
R47–R58
3
12
1
R59
Not installed, 100-position,
right-angle header
P1
0
100kI potentiometer (single
R60
1
turn)
R1
R2
1
1
68.1kI Q1% resistor (0402)
100kI Q1% resistor (0402)
R61
R62
SW1
SW2
1
1
1
1
30.1kI Q1% resistor (0603)
3.4kI Q1% resistor (0603)
9-position DIP switch
R3, R8, R13,
R18, R23, R28,
R42
64.9I Q1%, 1/2W resistors
7
7
7
7
7
(2010)
3-position DIP switch
R4, R9, R14,
R19, R24, R29,
R43
10-channel scan driver with
GPM (28 TQFN-EP*)
Maxim MAX17119ETI+
64.9I Q%1, 1/4W resistors
U1
1
(1206)
R5, R10, R15,
R20, R25, R30,
R44
Adjustable LDO regulator
(8 TDFN-EP*)
Maxim MAX6771TALD2+
(Top Mark: BEG)
64.9I Q1 resistors (0603)
124I Q1% resistors (0603)
249I Q1% resistors (0603)
U2
—
1
R6, R11, R16,
R21, R26, R31,
R45
21
1
Shunts
PCB: MAX17119 EVALUATION
KIT+
—
R7, R12, R17,
R22, R27, R32,
R46
*EP = Exposed pad.
Component Supplier
SUPPLIER
Murata Electronics North America, Inc.
PHONE
770-436-1300
WEBSITE
www.murata-northamerica.com
Note: Indicate that you are using the MAX17119 when contacting this component supplier.
2
______________________________________________________________________________________
MAX17119 Evaluation Kit
Table 1. Default Jumper Positions
Quick Start
JUMPER
SHUNT POSITION
Required Equipment
JU1–JU10
Installed
1-2
•ꢀ +12V to +38V, 1A DC power supply
JU11
JU12–JU20, JU22, JU23, JU24
JU21
•ꢀ -12V to -2V, 1A DC power supply
•ꢀ Two voltmeters
2-3
1-2
Procedure
The MAX17119 EV kit is fully assembled and test-
ed. Follow the steps below to verify board operation.
Caution: Do not turn on the power supply until all
connections are completed. When ready, turn on
Detailed Description of Hardware
The MAX17119 EV kit is a fully assembled and test-
ed surface-mount PCB that evaluates the MAX17119
10-channel, high-voltage, level-shifting scan drivers
for thin-film transistor (TFT) liquid-crystal display (LCD)
applications. The EV kit requires two positive power sup-
plies and one negative power supply. GON1 and GON2
require +12V to +38V power supplies that provide up to
1A of current. GOFF requires a -12V to -2V power supply
that provides up to 1A of current.
V
GOFF
before turning on V
and V
.
GON1
GON2
1) Verify that shunts are installed across jumpers JU1–
JU10 (RC loads connected at scan-driver outputs).
2) Verify that a shunt is installed across pins 1-2 of
jumper JU11 (GON2 = GON1).
3) Verify that shunts are installed across pins 2-3 of
jumpers JU12–JU20 (DC voltage applied at A_
inputs).
The IC’s logic level to high-voltage, level-shifting scan
drivers can buffer nine logic inputs (A1–A9) and shift
them to a desired level (Y1–Y9) for driving TFT-LCD row
logic. GON1 supplies the high-voltage levels at the IC
buffers Y1–Y7 and YDCHG when its respective input is a
logic-high. GON2 supplies the high-voltage levels at the
IC buffers Y8 and Y9 when its respective input is a logic-
high. GOFF supplies the low-voltage level at all of the
scan-driver outputs when their input is a logic-low. DIP
switch SW1 is used to set a DC logic-high level at A1–A9
inputs for testing purposes, by using a high-voltage input
LDO regulator, U2 (MAX6771), and potentiometer R56.
4) Verify that shunts are installed across pins 1-2 of
jumper JU21 (VSENSE derived from LDO_OUT).
5) Verify that shunts are installed across pins 2-3
of jumpers JU22, JU23, and JU24 (DC voltage
applied at FLK_ inputs).
6) Verify that all positions of DIP switches SW1 and
SW2 are in the on position (logic-high DC voltage
at inputs).
7) Connect a voltmeter to the LDO_OUT and GND test
points.
Jumper JU11 is provided for evaluation of the EV kit when
utilizing one power source for the IC’s GON1 and GON2
power inputs. See the Power-Supply Configurations sec-
tion for proper configuration of jumper JU11. Jumpers
JU1–JU10 are provided to connect RC loads at the IC’s
Y1–Y9 and YDCHG outputs.
8) Connect the +12V to +38V power-supply positive
terminal to the GON1 PCB pad. Connect the power-
supply ground terminal to the PGND pad.
9) Connect the negative terminal of the negative
power supply to the GOFF PCB pad. Connect the
ground terminal of the negative power supply to the
PGND pad.
10) Enable the negative power supply and set it to
-12V.
11) Enable the GON1 positive power supply and set it
to +20V.
12) Adjust potentiometer R60 until the voltmeter at
LDO_OUT reads +3.3V.
13) Verify that test points TP1–TP9 outputs are +20V.
14) Verify that test point TP10 output is -12V.
_______________________________________________________________________________________
3
MAX17119 Evaluation Kit
of the MAX17119 buffers (Y1–Y10), when applying
input signals through the SIGNAL_IN PCB pad, P1
header, or J1 header. Test points TP1–TP10 can be
used to monitor the loaded buffer outputs when applying
static DC voltages at the A1–A9 inputs.
Power-Supply Configurations
The EV kit requires two positive power supplies and one
negative power supply for proper evaluation of the kit.
GON1 and GON2 require a +12V to +38V power supply
that provides up to 1A of current. GOFF requires a -12V
to -2V power supply that provides up to 1A of current.
Inputs (A_) Logic-Level Selection
(JU12–JU20)
Jumper JU11 configures the input power source for
GON2. Install a shunt across pins 1-2 of jumper JU11
to select GON1 as the input power source for GON2.
Install a shunt across pins 2-3 of jumper JU11 to apply
an external power source across the GON2 and PGND
PCB pads. Buffers Y8 and Y9 output the voltage applied
at the GON2 PCB pad. See Table 2 for proper jumper
JU11 configuration.
Jumpers JU12–JU21 configure the EV kit’s A1–A9 inputs
to accept either a DC voltage or square-wave input
signal. Install a shunt across pins 1-2 of the individual
channels to use a square-wave signal applied at the
SIGNAL_IN PCB pad and J1 or P1 headers. The square-
wave signal should have a +2V to +5.5V logic-high
level. Place scope probes across the shunts installed
at jumpers JU2–JU11 for proper evaluation of the
MAX17119 scan-driver outputs (Y1–Y9 and YDCHG).
Additional surface-mount 1206 PCB pads are provided
for adding additional bulk capacitance at C91, C92, and
C93 when interfacing long wires to the EV kit’s GON1,
GON2, and GOFF power-supply inputs.
Install a shunt across pins 2-3 of the individual channels
to configure the inputs to static logic-low or logic-high
DC levels. DIP switch SW1 sets the buffer inputs to a
logic-high level using the output of LDO regulator (U2)
and potentiometer R60. Set SW1 to the on position to
place a logic-high voltage at the inputs. Set SW1 to the
off position to place a logic-low voltage at the inputs
through pulldown resistors R47–R55.
Output Load Connection
The EV kit provides resistor/capacitor loads for each
output channel to mimic TFT-LCD panel load models for
easy evaluation of the EV kit. Install shunts across jump-
ers JU1–JU11 to connect the RC loads to the IC’s scan-
driver outputs. Place scope probes across the shunts
installed at jumpers JU1–JU10 for proper evaluation
Table 2. GON2 Power Source Selection
(JU11)
Table 3. Output Load Connection
(JU1–JU10)
SHUNT
POSITION
GON2 INPUT
RANGE (V)
MAX17119 Y1–
Y9 AND YDCHG
OUTPUTS
GON2 IC PIN
SHUNT
POSITION
EV KIT
FUNCTION
1-2
2-3
Connected to GON1
—
Connected to RC
loads
Outputs monitored
at shunts
Connected to external
power source at GON2
and PGND PCB pads
Installed
+12 to +38
Disconnected from
RC load
No-load condition
for scan drivers
Not installed
4
______________________________________________________________________________________
MAX17119 Evaluation Kit
logic-high level using the output of the LDO regulator
Inputs (FLK_) Logic-Level Selection
(JU22, JU23, JU24)
(U2) and potentiometer R60. Set SW2 to the on position
to place a logic-high voltage at the inputs. Set SW2 to
the off position to place a logic-low voltage at the inputs
through pulldown resistors R56–R58.
Jumpers JU22, JU23, and JU24 configure the MAX17119
EV kit’s FLK1, FLK2, and FLK3 inputs to accept either a
DC voltage or square-wave input signal. Install a shunt
across pins 1-2 of the individual channels to use a
square-wave signal applied at the FLK1, FLK2, and FLK3
test points or at the J1 or P1 headers. The square-wave
signal should have a +2V to +5.5V logic-high level.
LDO Regulator
The LDO regulator output voltage can be adjusted from
+2.2V to +5.3V using R60 and monitored by probing test
point LDO_OUT. Rotate potentiometer R60 clockwise to
decrease the LDO output voltage and vice versa.
Install a shunt across pins 2-3 of the individual channels
to configure the inputs to static logic-low or logic-high
DC levels. DIP switch SW2 sets the buffer inputs to a
Table 4. Logic-Input Configuration
(JU12–JU20)
Table 5. Logic-Input Configuration
(JU22, JU23, JU24)
SHUNT
POSITION
SW1
POSITION
SHUNT
POSITION
SW2
POSITION
FLK_ INPUT LOGIC
LEVEL
A_ INPUT LOGIC LEVEL
Square-wave signal
applied through header P1
or J1 (A1–A6)
Square-wave signal
applied through header
P1 or J1
1-2
2-3
—
1-2
2-3
—
Off
On
Low
Square-wave signal
applied at SIGNAL_IN PCB
pad (A7, A8, A9)
High
Off
On
Low
High
_______________________________________________________________________________________
5
MAX17119 Evaluation Kit
Figure 1a. MAX17119 EV Kit Schematic (Sheet 1 of 2)
6
______________________________________________________________________________________
MAX17119 Evaluation Kit
Figure 1a. MAX17119 EV Kit Schematic (Sheet 2 of 2)
_______________________________________________________________________________________
7
MAX17119 Evaluation Kit
1.0”
1.0”
Figure 2. MAX17119 EV Kit Component Placement Guide—
Component Side
Figure 3. MAX17119 EV Kit PCB Layout—Component Side
1.0”
Figure 4. MAX17119 EV Kit PCB Layout—Solder Side
8
______________________________________________________________________________________
MAX17119 Evaluation Kit
Revision History
REVISION
NUMBER
REVISION
DATE
PAGES
DESCRIPTION
CHANGED
0
1
12/09
4/10
Initial release
Corrected step 13 and added step 14 in the Quick Start Procedures section
—
3
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
©
2010 Maxim Integrated Products
Maxim is a registered trademark of Maxim Integrated Products, Inc.
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