MAX14727 [MAXIM]
3V to 28V Operating Voltage Range;
| 型号： | MAX14727 |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | 3V to 28V Operating Voltage Range |
| 文件： | 总8页 (文件大小：666K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Evaluates: MAX14727/
MAX14728/MAX14731
MAX14727 Evaluation Kit
General Description
Quick Start
The MAX14727 evaluation kit (EV kit) is a fully assembled
and tested circuit board that demonstrates the MAX14727
dual-input, bidirectional overvoltage protection with auto-
matic path control device. The EV kit comes with the
MAX14727EWV+ installed. To evaluate the MAX14728/
MAX14731, request a sample from Maxim and replace
the MAX14727 with the MAX14728/MAX14731.
Required Equipment
●
●
●
●
MAX14727 EV kit
Two 15V DC power supply
USB Cable or 5V power supply
Multimeter
Procedure
Features
The EV kit is fully assembled and tested. Follow the steps
below to verify board operation:
● 3V to 28V Operating Voltage Range
● LEDs Showing INAOK, INBOK
● Proven PCB Layout
1) Connect one power supply to INA and one power
supply to INB.
2) Connect voltmeter to OUT.
3) Connect USB cable to J1 or connect 5V power supply
on TP1 to source VIO.
4) Supply 4.5V to INA. Verify OUT is 4.5V and LED1
is on.
● Fully Assembled and Tested
EV Kit Contents
● EV Kit Board Containing a MAX14727
5) Increase voltage on INA and verify OUT voltage follows
INA voltage. Keep increasing INA voltage, when INA
reaches OVLO threshold 13.75V, OUT voltage goes
down and LED1 is off.
6) Decrease INA voltage, then OUT comes back to be
the same as INA voltage and LED1 is on. Turn off
INA power supply.
7) Supply 4.5V to INB. Verify OUT is 4.5V an LED2
is on.
Ordering Information appears at end of data sheet.
8) Increase voltage on INB and verify OUT voltage
follows INB voltage. Keep increasing INB voltage,
when INB reaches OVLO threshold 13.75V, OUT
voltage goes down and LED2 is off.
9) Decrease INB voltage, then OUT comes back to be
the same as INB voltage and LED2 is on.
10) Set INB voltage to 5V and verify OUT is 5V.
11) Set INA voltage to 3V and turn on INA power supply.
Verify OUT is still 5V.
12) Increase INA voltage. Verify when INA goes to about
4.5V, LED1 is on and OUT voltage is the same as
INA voltage.
319-100040; Rev 0; 7/17
Evaluates: MAX14727/
MAX14728/MAX14731
MAX14727 Evaluation Kit
Digital Inputs
Detailed Description
Use USB cable or external power supply to power digital
inputs. Use JU1, JU4, JU7, and JU8 to control digital
inputs (Table 1).
The MAX14727 EV kit is a fully assembled and tested
circuit board demonstrating the MAX14727 dual-input,
bidirectional overvoltage protection with automatic path
control device in a 30-bump WLP package.
Output Load
LEDs
Use JU3, and JU5 to add output capacitor or resistor
(Table 2).
LED1/LED2 turns on when INAOK/INBOK is asserted.
Overvoltage Threshold
Use JU9, and JU10 to choose internal or external over-
voltage threshold setting (Table 3).
Table 1. JU1, JU4, JU7, JU8 Jumper Setting
JUMPER
SHUNT POSITION
DESCRIPTION
Installed
PCON is high (no beak before make time)
JU1
Not installed*
Installed
PCON is low (break before make time enabled)
EN is high (device disabled)
JU4
JU7
JU8
Not installed*
Installed
EN is low (device enabled)
OTG_ENB high (channel B OTG enabled)
OTG_ENB low (channel B OTG disabled)
OTG_ENA high (channel A OTG enabled)
OTG_ENA low (channel A OTG disabled)
Not installed*
Installed
Not installed*
Table 2. JU3, JU5 Jumper Setting
JUMPER
SHUNT POSITION
DESCRIPTION
100µF capacitor is connected to OUT
100µF capacitor is not connected to OUT
50Ω resistor is connected to OUT
Installed
JU3
Not installed*
Installed
JU5
Not installed*
50Ω resistor is not connected to OUT
*Default position.
Table 3. JU9, JU10 Jumper Setting
JUMPER
SHUNT POSITION
DESCRIPTION
1-2
2-3*
1-2
OVLOA is connected to resistor divider. Using external overvoltage threshold.
OVLOA is connected to ground. Using internal overvoltage threshold.
OVLOB is connected to resistor divider. Using external overvoltage threshold.
OVLOB is connected to ground. Using internal overvoltage threshold.
JU9
JU10
2-3*
*Default position.
Ordering Information
PART
TYPE
MAX14727EVKIT#
#Denotes RoHS compliant.
EVKIT
Maxim Integrated
│ 2
www.maximintegrated.com
Evaluates: MAX14727/
MAX14728/MAX14731
MAX14727 Evaluation Kit
MAX14727 EV Kit Bill of Materials
ꢀꢁEM
ꢂEꢃꢄꢅEꢆ
ꢅꢇꢀ/ꢅꢇꢈ ꢉꢁꢊ
Mꢃꢋ ꢈAꢂꢁ ꢌ
MAꢇꢍꢃAꢎꢁꢍꢂEꢂ
ꢏAꢐꢍE
1ꢍꢃ
ꢅEꢆꢎꢂꢀꢈꢁꢀꢑꢇ
ꢎꢔꢕꢔ3Xꢖꢂ1ꢕꢔꢓ1ꢔꢖKꢇꢈꢗ
EMK1ꢔ7ꢘꢙ1ꢔꢖKAꢗ
ꢎ1ꢕꢔ8Xꢖꢂ1ꢎ1ꢔꢖKꢗ
ꢋꢂM188ꢂꢕ1ꢎ1ꢔꢖK
ꢎꢔ8ꢔꢖꢎ47ꢖK4ꢈAꢎꢗ
Eꢎꢙꢓ2ꢃꢘ1ꢎ47ꢖKꢗ
ꢎAꢈAꢎꢀꢁꢑꢂꢗ ꢆMꢁꢗ ꢔꢕꢔ3ꢗ ꢎEꢂAMꢀꢎꢗ 1uꢃꢗ
ꢏEꢇKEꢐ ꢐꢁꢅ./ꢁAꢀꢊꢑ ꢊꢍꢅEꢇ/
ꢁꢅK/MꢍꢂAꢁA
1ꢕꢏꢗ 1ꢔꢚꢗ Xꢖꢂꢗ ꢓꢖꢖdegꢎ to ꢛ 8ꢖdegꢎꢗ
ꢔ ꢛ/ꢓ1ꢖꢚ degꢎ MAX.ꢍꢆE 2ꢔꢓꢔꢔꢔ1uꢓꢕ3 ꢃꢑꢂ
ꢇEꢜ ꢅEꢆꢀꢋꢇ
ꢎAꢈAꢎꢀꢁꢑꢂꢗ ꢆMꢁꢗ ꢔ8ꢔꢖꢗ ꢎEꢂAMꢀꢎꢗ
4.7uꢃꢗ 1ꢕꢏꢗ 1ꢔꢚꢗ Xꢖꢂꢗ ꢓꢖꢖdegꢎ to ꢛ 8ꢖdegꢎꢗ
ꢔ ꢛ/ꢓ1ꢖꢚ degꢎ MAX.
ꢎAꢈAꢎꢀꢁꢑꢂꢗ ꢆMꢁ
ꢞ7343ꢓ43ꢟꢗ ꢁAꢇꢁAꢐꢍM ꢎꢠꢀꢈꢗ
1ꢔꢔꢍꢃꢗ 2ꢔꢏꢗ ꢁꢑꢐꢡ2ꢔꢚꢗ ꢁꢋꢡꢓꢖꢖ ꢅEꢋꢎ ꢁꢑ
ꢛ12ꢖ ꢅEꢋꢎꢗ Aꢍꢁꢑꢗ ꢐꢑꢜ Eꢆꢂ
ꢎAꢈAꢎꢀꢁꢑꢂꢗ ꢆMꢁ ꢞꢔ8ꢔꢖꢟꢗ ꢎEꢂAMꢀꢎ ꢎꢠꢀꢈꢗ
1ꢍꢃꢗ ꢖꢔꢏꢗ ꢁꢑꢐꢡ1ꢔꢚꢗ MꢑꢅEꢐꢡꢋꢂM ꢆEꢂꢀEꢆꢗ
ꢁꢋꢡꢓꢖꢖ ꢅEꢋꢎ ꢁꢑ ꢛ8ꢖ ꢅEꢋꢎꢗ ꢁꢎꢡXꢖꢂ
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1ꢔꢔꢍꢃ
4
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ꢓ
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2
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MꢍꢂAꢁA
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ꢋꢂM21ꢘꢂ71ꢠ1ꢔ4Kꢗ
ꢎ2ꢔ12X7ꢂ1ꢠ1ꢔ4Kꢔ8ꢖAA
KEMEꢁꢗ MꢍꢂAꢁAꢗ ꢁꢅK
ꢃꢎꢀ ꢎꢑꢇꢇEꢎꢁ
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ꢕ172ꢝꢓꢔꢔ1ꢔꢘꢐꢃ
ꢙꢍ1ꢒ ꢙꢍ3ꢓꢙꢍꢖꢒ
ꢙꢍ7ꢒ ꢙꢍ8
7
8
ꢝ
ꢓ
ꢓ
ꢓ
ꢕ
2
2
ꢈEꢎꢔ2ꢆAAꢇ
ꢈEꢎꢔ3ꢆAAꢇ
ꢐꢋ ꢇꢝ71ꢓKꢇꢓ1
ꢆꢍꢐꢐꢀꢇꢆ
ꢆꢍꢐꢐꢀꢇꢆ
ꢑꢆꢂAM
ꢈEꢎꢔ2ꢆAAꢇ
ꢈEꢎꢔ3ꢆAAꢇ
ꢐꢋ ꢇꢝ71ꢓKꢇꢓ1
ꢙꢍꢝꢒ ꢙꢍ1ꢔ
ꢐEꢅ1ꢒ ꢐEꢅ2
ꢎꢂꢎꢜꢔ8ꢔꢖ1ꢔꢔKꢃKꢗ
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ꢂ1ꢒ ꢂ7ꢒ ꢂ8ꢒ ꢂ1ꢔꢒ
ꢂ13ꢒ ꢂ1ꢖꢒ ꢂ17
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1ꢚꢗ 1ꢔꢔꢈꢈMꢗ ꢔ.12ꢖꢜꢗ ꢁꢠꢀꢎK ꢃꢀꢐM
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ꢂEꢆꢀꢆꢁꢑꢂꢗ ꢔ8ꢔꢖꢗ 332 ꢑꢠMꢗ
1ꢚꢗ 1ꢔꢔꢈꢈMꢗ ꢔ.12ꢖꢜꢗ ꢁꢠꢀꢎK ꢃꢀꢐM
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ꢂꢎꢔ8ꢔꢖꢙꢂꢓꢔ7ꢔꢂꢐ
ꢎꢂꢎꢜꢔ8ꢔꢖ332ꢂꢃKꢗ
Mꢎꢂ1ꢔEꢢꢠꢃ332ꢔ
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EꢂꢙꢓꢕEꢇꢃ1ꢔꢔ1ꢏꢗ
Mꢎꢂ1ꢔEꢢꢠꢃ1ꢔꢔ1ꢗ
ꢂꢎꢔ8ꢔꢖꢃꢂꢓꢔ71Kꢐ
ꢂꢖꢒ ꢂꢕ
332
ꢏꢀꢆꢠAꢊ ꢅAꢐEꢗ ꢈAꢇAꢆꢑꢇꢀꢎꢗ
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ꢂEꢆꢀꢆꢁꢑꢂꢗ ꢔ8ꢔꢖꢗ 1Kꢗ
1ꢚꢗ 1ꢔꢔꢈꢈMꢗ ꢔ.12ꢖꢜꢗ ꢁꢠꢀꢎK ꢃꢀꢐM
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1ꢕ
17
ꢂꢝꢒ ꢂ12ꢒ ꢂ14ꢒ ꢂ1ꢕ
ꢂ11
ꢓ
ꢓ
ꢓ
4
1
8
1K
ꢖꢔ
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AꢇꢋꢐEꢗ 2ꢈꢀꢇꢆ
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ꢁꢑꢁAꢐ ꢐEꢇꢋꢁꢠꢡꢔ.44ꢖꢀꢇꢗ ꢘꢑAꢂꢅ
ꢠꢑꢐEꢡꢔ.ꢔꢕ3ꢀꢇꢗ ꢘꢐAꢎKꢗ ꢈꢠꢑꢆꢈꢠꢑꢂ
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ꢁEꢆꢁ ꢈꢑꢀꢇꢁꢗ ꢈꢀꢇ ꢅꢀAꢡꢔ.12ꢖꢀꢇꢗ
18
1ꢝ
2ꢔ
ꢁꢘ1ꢓꢁꢘ3
ꢓ
ꢓ
ꢓ
3
ꢖ
ꢖ
3ꢝ88ꢔꢔ3ꢔ2
ꢖꢔ1ꢔ
MꢑꢐEX
3ꢝ88ꢔꢔ3ꢔ2
ꢖꢔ1ꢔ
ꢁꢈ1ꢒ ꢁꢈꢖꢒ ꢁꢈꢕꢒ
ꢁꢈ8ꢒ ꢁꢈ1ꢖ
Keꢣstone
Keꢣstone
ꢁꢈ2ꢓꢁꢈ4ꢒ
ꢁꢈ7ꢒ ꢁꢈ1ꢕ
ꢖꢔ11
ꢖꢔ11
ꢁꢈꢝꢓꢁꢈ14ꢒ
ꢁꢈ17ꢒ ꢁꢈ18
ꢁꢑꢁAꢐ ꢐEꢇꢋꢁꢠꢡꢔ.44ꢖꢀꢇꢗ ꢘꢑAꢂꢅ
ꢠꢑꢐEꢡꢔ.ꢔꢕ3ꢀꢇꢗ ꢊEꢐꢐꢑꢜꢗ ꢈꢠꢑꢆꢈꢠꢑꢂ
ꢘꢂꢑꢇꢢE ꢜꢀꢂE ꢆꢀꢐꢏEꢂ ꢈꢐAꢁE ꢃꢀꢇꢀꢆꢠꢗ
ꢀꢎꢗ ꢈꢂꢑꢁꢗ 13.7ꢖꢏ ꢑꢏꢐꢑꢗ ꢅꢍAꢐ ꢀꢇꢈꢍꢁꢗ
ꢘꢀꢂEꢎꢁꢀꢑꢇAꢐ ꢑꢏEꢂꢏꢑꢐꢁAꢋE
21
22
ꢓ
ꢓ
8
1
ꢖꢔ14
Keꢣstone
MAXꢀM
ꢖꢔ14
ꢍ1
MAX14727Eꢜꢏꢛ
MAX14727Eꢜꢏꢛ
ꢈꢂꢑꢁEꢎꢁꢑꢂ ꢜꢀꢁꢠ AꢍꢁꢑMAꢁꢀꢎ ꢈAꢁꢠ
ꢎꢑꢇꢁꢂꢑꢐꢗ ꢜꢐꢈ3ꢔ 2.ꢖ37X2.1ꢝ7
ꢀꢎꢗ ꢘꢍꢃꢗ ꢁꢀꢇꢊ ꢐꢑꢋꢀꢎ ꢍꢐꢁꢂAꢓꢠꢀꢋꢠ ꢆꢈEEꢅ
ꢅꢍAꢐ ꢘꢍꢃꢃEꢂꢗ ꢆꢎ7ꢔꢓꢕ
ꢀꢎꢗ ꢏꢂEꢋꢗ ꢍꢐꢁꢂAꢓꢐꢑꢜꢓꢀꢉ ꢐꢑꢜꢓꢅꢂꢑꢈꢑꢍꢁ
ꢐꢀꢇEAꢂ ꢂEꢋꢍꢐAꢁꢑꢂ ꢜꢀꢁꢠ ꢈꢑKꢗ ꢆꢑꢁ23ꢓꢕ
23
24
ꢍ2
ꢍ3
ꢓ
ꢓ
1
1
ꢇꢎ7ꢜꢢꢔ7ꢈꢕX
MAX888ꢔEꢍꢁꢛ
ꢃAꢀꢂꢎꢠꢀꢐꢅ ꢆEMꢀꢎꢑꢇꢅꢍꢎꢁꢑꢂ ꢇꢎ7ꢜꢢꢔ7ꢈꢕX
MAXꢀM
MAX888ꢔEꢍꢁꢛ
2ꢖ
2ꢕ
ꢈꢎꢘ
ꢓ
1
ꢔ
MAX14727
ꢇ/A
MAXꢀM
ꢇ/A
ꢈꢎꢘ
ꢈꢎꢘ:MAX14727
ꢓ
ꢂ18ꢓꢂ21
ꢅꢇꢈ
ꢑꢈEꢇ
ꢈAꢎKAꢋE ꢑꢍꢁꢐꢀꢇE ꢔ8ꢔꢖ ꢂEꢆꢀꢆꢁꢑꢂ
ꢁꢑꢁAꢐ
ꢕ8
Maxim Integrated
│ 3
www.maximintegrated.com
Evaluates: MAX14727/
MAX14728/MAX14731
MAX14727 Evaluation Kit
MAX14727 EV Kit Schematic
ꢎ
ꢎ
A
A
ꢔ
2
E 4
ꢎ 4
ꢅ 4
ꢅ 3
ꢆ ꢁ ꢇ
ꢆ ꢁ ꢇ
ꢆ ꢁ ꢇ
ꢆ ꢁ ꢇ
2
ꢕ
ꢔ
Maxim Integrated
│ 4
www.maximintegrated.com
Evaluates: MAX14727/
MAX14728/MAX14731
MAX14727 Evaluation Kit
MAX14727 EV Kit PCB Layout Diagrams
1”
MAX14727 EV Kit—Top Silkscreen
1”
MAX14727 EV Kit—Top
Maxim Integrated
│ 5
www.maximintegrated.com
Evaluates: MAX14727/
MAX14728/MAX14731
MAX14727 Evaluation Kit
MAX14727 EV Kit PCB Layout Diagrams (continued)
1”
MAX14727 EV Kit—Inner Layer2
1”
MAX14727 EV Kit—Inner Layer3
Maxim Integrated
│ 6
www.maximintegrated.com
Evaluates: MAX14727/
MAX14728/MAX14731
MAX14727 Evaluation Kit
MAX14727 EV Kit PCB Layout Diagrams (continued)
1”
MAX14727 EV Kit—Bottom
Maxim Integrated
│ 7
www.maximintegrated.com
Evaluates: MAX14727/
MAX14728/MAX14731
MAX14727 Evaluation Kit
Revision History
REVISION REVISION
PAGES
CHANGED
DESCRIPTION
NUMBER
DATE
0
7/17
Initial release
—
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.
Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses
are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time.
©
Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.
2017 Maxim Integrated Products, Inc.
│ 8
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