Analog Devices MAX14916PMB Manuale utente

MAX14916PMB

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Features

●Easy Evaluation of the MAX14916

●Internal Clamps for Fast Inductive Load

Demagnetization

●Individual Channel Fault Detection

●Supports Load Currents of up to 2.4A per Channel

●Works with USB2PMB2# or USB2GPIO# Adapter

and Munich GUI Software

●Fully Assembled and Tested

●Proven PCB Layout

●RoHS Compliant

Contents

●MAX14916PMB# with the MAX14916AFM+

● 24V DC (2.71A max.) power adapter

319-100958; Rev 0; 10/22

Evaluates: MAX14916

General Description

The MAX14916PMB (peripheral module board) provides

the hardware to evaluate the MAX14916 Octal 1A / Quad

2A industrial high-side switch with diagnostics. Refer to

the MAX14916 IC data sheet for detailed information on

the operation of the IC. The module takes advantage of

the features in the MAX14916, which allow each channel

to independently be toggled on and o󰀨 and continuously

monitored for faults. Note the module provides a

subset of the MAX14916 features. For greater flexibility,

refer to the MAX14916 evaluation kit.

The MAX14916PMB# has a 12-pin Pmod™-compatible

connector for serial peripheral interface (SPI) commu-

nication. The peripheral module can be used in various

ways; Analog Devices sells low-cost USB2PMB2#

and USB2GPIO# adapter boards that use the Munich

GUI software for SPI communication through a USB

cable. This is not included with this board but is availa-

ble from Analog Devices or one of its distributors.

Alternatively, use any microcontroller or field

programmable gate array (FPGA) with a 12-pin Pmod-

compatible connector for SPI communication.

The PCB dimension is 62mm long x 22.6mm wide, with

the width determined by the size of the DO terminal block.

Ordering Information appears at end of data sheet.

Pmod is a registered trademark of Digilent Inc.

Figure 1. MAX14916PMB# Board Photo

FILE DESCRIPTION

Munich

GUISetupV2.26.exe

or later

Munich GUI software for use with

the USB2PMB2# or USB2GPIO#

adapter

MAX14916PMB EV Kit Files

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Evaluates: MAX14916

Windows is a registered trademark of Microsoft.

Quick Start

Required Equipment

●MAX14916PMB#

●24V DC power adapter

●USB2PMB2# or USB2GPIO# adapter board

●Micro-USB cable

●MS Windows-10 PC with a spare USB port

●Munich GUI v2.26 or higher

Note: In the following sections, software-related items are

identified in bold. Text in bold refers to items directly from

the Munich GUI software. Text in bold and underline

refers to items from the MS Windows operating system.

Procedure

The MAX14916PMB# board is fully assembled and test-

ed. Follow these steps to verify the board operation. If the

USB2PMB2# or USB2GPIO# adapter is used, download

the software by following these steps to get started. In this

description, the USB2PMB2# adapter is used.

1) Visit www.maximintegrated.com to download the

latest version of the Munich GUI software, version

2.26 or later.

2) Save the software to a temporary folder. Double-click

the .exe le to run the installer. A message box ask-

ing Do you want to allow the following program

to make changes to this computer? appears. Click

Yes.

3) The installer includes the drivers for the hardware

and software. Follow the instructions on the installer,

and once complete, click Finish.

4) The default location of the software is in the program

les directory.

5) Connect the 24V DC power adapter to J2 of the

MAX14916PMB# to power up the board. The VDDOK

LED (DS9 - green) turns on.

6) Connect the MAX14916PMB# Pmod connector J1 to

the Pmod connector on the USB2PMB2#.

7) Connect the USB2PMB2# to the PC with the Micro-

USB cable.

Figure 2. MAX14916PMB# Block Diagram

12-P IN

P MOD

CONNECTOR

HIGH-SIDE SWITCH

MAX14916

LHS1-4

LHS5-8

SPI

DC BARREL

CONNECTOR

+2 4V = V

READY

R DY

F AUL T

SYNCH

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

OUT7

OUT8

O UT PU T

BLOCK

T ERM I NA L

OUT1

OUT2

OUT3

OUT4

LH F1 -4 L H F5 -8

LL15

LL48

F AUL T

C OM E RR

+2 4V

+3.3V (LDO)

CRCEN V

GND

SYNCH

D DO K

OWONSET

DAISY

A1 A0 V

LED

COM

(INTERFACE)

GND

*NO P ROT E CTI ON O N O U T PUT

C HA NN ELS , SO DO NOT

EXCEED 600MA W ITH

INDUCTIVE LOAD ON ANY

CHANNEL

REGEN

LL37

LL26

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MAX14916PMB Evaluates: MAX14916

8) Once the hardware is ready to use, launch the

Munich GUI software. The status bar in the GUI

should display Disconnected in the bottom right

corner. To congure the MAX14916PMB#, go to the

Device tab, select Industrial Digital, then select the

MAX14916PMB. (See Figure 3)

9) The GUI should automatically detect the USB-

2PMB2# board serial number and show it in the

USB2PMB Adapter dropdown menu. If no serial

number is displayed, check the USB connection,

and click Scan Adapters. Select the USB2PMB2#

board serial number from the dropdown menu once

it shows up.

10) Click Connect.

11) Connect CH1 (pin 7) and GND (pin 8) from the J3

connector to an oscilloscope or digital multimeter.

The MAX14916PMB# is congured in HighImped-

ance mode (High-Z) by default after power-up. Using

the CH1 dropdown menu, turn on CH1 by setting the

signal type from the default High-Z to Static High.

Observe that STATUS LED (DS2 - green) is turned

on and the output on the oscilloscope or digital multi-

meter reads 24V.

12) Observe that when the output channel is turned on

and is shorted to GND, the Status LED turns o󰀨

and the Fault LED (DS6 - red) toggles on and o󰀨 as

the output detects an overcurrent or overload fault.

The Munich GUI’s Channel Faults box indicates the

channel in fault condition by turning the correspond-

ing channel’s status bar to red.

13) Monitoring for open-wire detection (with channel

output ON and/or OFF) can be enabled in the Moni-

toring Setup Window of the Munich GUI. Channel

Output connected to VDD monitoring can also be en-

abled in the same window. When a fault is enabled

in this window and detected on the MAX14916PMB#

board, it displays in the Munich GUI’s SPI Result

Monitoring Window box and the fault LED for the

channel turns ON.

Figure 3. MAX14916PMB# Software (Munich GUI Device Menu)

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Evaluates: MAX14916

MAX14916PMB

Detailed Description of Hardware

The MAX14916 is a high-speed, Octal 1A / Quad 2A

High-Side Switch with a maximum of 250mΩ on resis-

tance. The MAX14916PMB# is configured to be operated

as a Quad 2A High-Side Switch. Each channel’s output

can be toggled independently, and the IC provides chan-

nel diagnostics through an SPI-compatible interface. The

MAX14916 is specified for operation with a field supply

voltage of 24V typical and tolerant to 65V. The

MAX14916PMB# comes with a standard 2.1mm barrel

connector as the main sup-ply connector. A 24V (2.71A

max) DC power adapter is included with the module for

convenience. For ease of use, this module only supports

a subset of the MAX14916 features. For greater

flexibility, refer to the MAX14916 evaluation kit.

The MAX14916PMB# hardware provides everything

needed to evaluate the MAX14916 using the Pmod inter-

face. An optional USB2PMB2# or USB2GPIO# adapter

can be used with the Munich GUI to provide the USB-to-

SPI interface to communicate with the MAX14916. The

adapter provides a 3.3V output from the USB interface

providing a VL supply to the MAX14916.

The MAX14916PMB# does not feature galvanic isolation.

To isolate the module, select the USB2GPIO# adapter

board and use it with the USB2GPIOISO# isolation mod-

ule. Both modules work seamlessly with the Munich GUI.

High-Side Switch Operation

The MAX14916 has eight high-side (HS) switch chan-

nels. The MAX14916PMB# connects two high-side switch

channels in parallel to provide four output channels with

a higher current delivery capability. The high-side switch

current limit is 2.4A per channel when configured in this

parallel orientation.

The high-side driver has 120mΩ (typ) on-resistance at

25ºC ambient temperature. For full details about the high-

side switch characteristics, refer to the MAX14916 IC data

sheet.

Figure 4. MAX14916PMB# Connected in Munich GUI (Short-VDD and Global Faults Enabled)

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MAX14916PMB Evaluates: MAX14916

Pmod Style Connector

The MAX14916PMB# can plug directly into a Pmod-

compatible port through J1. Note the pin definitions are

determined by the USB2PMB2# or USB2GPIO# adapter,

and to use this board with own host, configure the micro-

controller or FPGA to match the MAX14916PMB# J1 pin-

out. For more information on the MAX14916 SPI interface

and control, refer to the MAX14916 IC data sheet. See the

MAX14916PMB schematic for the J1 pinout.

Power Supply

A 24V DC power adapter, SDI65-24-UDC-P5, with a

maximum of 2.71A output current is included with the

MAX14916PMB# and must be connected to J2 for normal

operation. For a higher total load current on the output

than the power adapter can provide, use own DC power

supply. Note the MAX14916 is specified for operation with

a supply voltage up to 36V and is tolerant to 65V. The

barrel connector J2 is rated up to 5A maximum. Do not

operate beyond these maximum ratings.

Light-Emitting Diodes (LEDs)

The MAX14916PMB# comes with a 4 x 2 LED matrix,

providing four green LEDs indicating per-channel input or

output status, and four red LEDs indicating per channel

fault conditions. See Table 1 for a full list of each chan-

nel’s corresponding status and fault LEDs. If a fault LED

is turned on for a channel, the corresponding status LED

is always turned off. This mitigates false information about

the status of the affected channel.

Field supply (VDD) diagnostic faults are provided through

the VDDOK LED (DS9 - green). The Munich GUI pro-

vides limited access to the diagnostic features of the

MAX14916. To explore the full diagnostic capabilities of

the MAX14916, refer to the MAX14916 evaluation kit.

Transient Immunity Protection

No external surge suppression is needed on OUT_ pins

as they are protected against ±1kV surge pulses per IEC

61000-4-5. Connect a TVS diode between VDD and GND

to clamp positive surge pulses on the OUT_ and VDD

pins. The MAX14916PMB# outputs are protected against

±1kV surge transients with TVS diode D1, SMBJ36A, con-

nected between VDD and GND.

Addressable SPI

Figure 5. Digital Output Operation Mode Configuration

The MAX14916 supports addressable SPI, allowing direct

communication with up to four MAX14916 devices. By

default, the MAX14916PMB# is configured as address

00, with A1 = 0 and A0 = 0. It is possible to change the

SPI address using the provided resistor footprints by con-

necting A1 and A0 to VL or GND using the pads provided

at R10 and R11. Note that if the SPI address is changed

from the default value, it no longer works with the pro-

vided Munich GUI software and the user must develop

own software to support the new SPI address. For more

information on SPI device address selection, refer to the

MAX14916 IC data sheet.

Table 1. MAX14916PMB# LED Channel

Assignments

CHANNEL

NUMBER

STATUS LED

(GREEN)

FAULT LED

(RED)

1 DS2 DS6

2 DS4 DS8

3 DS1 DS5

4 DS3 DS7

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Evaluates: MAX14916

Detailed Description of Software

For easy development and testing, Analog Devices

provides the Munich GUI to communicate with the

MAX14916PMB#. The Munich GUI supports many

different Pmod boards using low-cost USB adapters,

USB2PMB2# or USB2GPIO#, also available from Analog

Devices.

Connection to Hardware

The Device menu has options to select peripheral mod-

ules (see Figure 3). In this case, select

Industrial Digital, then select the MAX14916PMB. Use

the Scan Adapters option to search for the USB2PMB2#

or USB2GPIO# modules connected to the PC if the GUI

does not automatically find the Pmod adapters. If the

adapters are found, the serial number of the adapters

are listed in the USB2PMB Adapter dropdown. Select

the serial number of the adapter for the Munich GUI to

communicate with. The software can only communicate

to one module at a time. Select Connect and notice how

the status changes from Disconnected to Connected in

the lower-right area of the GUI. The Short-VDD per chan-

nel monitoring is automatically enabled, and all Global

Faults are Low, if the Munich GUI successfully commu-

nicates with the MAX14916PMB# (see Figure 4).

Pulse Mode

Drive a pulse signal for each output channel and config-

ure its ON and OFF time by selecting Pulses (Ton/Toff)

from the dropdown menu, as shown in Figure 7. To con-

figure the ON and OFF time, first set up the Ton for each

channel, and then adjust Toff only for one channel. The

cycle is automatically equalized so that the pulse periods

on all channels configured in pulse mode are the same.

Different cycle lengths between different output channels

are not supported, and the total time (Ton + Toff) should

be less than 1000ms. Once the appropriate Ton and Toff

values are entered, click the Run button to activate the

pulse output.

Figure 5. Digital Output Operation Mode Configuration

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MAX14916PMB Evaluates: MAX14916

High-Side Switch Operation

All channels of the MAX14916PMB# are configured in

High-Impedance mode by default after power up. The

CH1 to CH4 dropdown menus allow to configure all four

high-side switch channels. The output channels can be

driven to High-Z, Static High, or Pulses (Ton/Toff), as

shown in Figure 5. When configured to Static High, the

channel switch is turned on, and the CH_ output is pulled

to VDD. The pulse mode is discussed in the Pulse Mode

section.

Diagnostic Features

The MAX14916PMB# takes advantage of the built-in

diagnostic features of the MAX14916 and provides basic

fault monitoring using the Munich GUI. To explore the

full diagnostic capabilities of the MAX14916, refer to the

MAX14916 evaluation kit.

Six global faults are provided on SDO in each SPI cycle

and are displayed in the Monitoring section in the Munich

GUI, which include short-to-VDD (SHTVDD), open-wire

detection in on-state (OWOnF), open-wire detection in

off-state (OWOffF), overcurrent limit (OvrCurr), channel

overload (OvldF), and the global diagnostic (GLOBLF).

The global fault bit (GLOBLF) is the logical OR of the

ComErr, SupplyErr, and ThrmShutd bits in the Interrupt

and GlobalErr registers. Also enable or disable per-

channel open wire detection (OW CH1 to OW CH4) and

per-channel short-to-VDD monitoring (Short-VDD CH1

to Short-VDD CH4), as shown in Figure 6. Refer to the

MAX14916 IC data sheet for more details on the per-

channel and global diag-nostics features.

Figure 6. Diagnostic Features

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│

Evaluates: MAX14916

Figure 7. Pulse Generation

#Denotes RoHS compliance.

PART TYPE

MAX14916PMB# Peripheral Module

Ordering Information

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│

MAX14916PMB Evaluates: MAX14916

MAX14916PMB Bill of Materials

ITEM REF_DES QTY MFG PART # MANUFACTURER VALUE DESCRIPTION

1C1 1

C3225X7S1H106K250AB;

CGA6P3X7S1H106K250AB;

GCM32EC71H106K;

CGA6P3X7S1H106K250AE

TDK;TDK;MURATA;TDK 10µF CAP; SMT (1210); 10µF; 10%; 50V; X7S;

CERAMIC

2C2 1GMK107B7104KAH TAIYO YUDEN 0.1µF

CAP; SMT (0603); 0.1µF; 10%; 35V; X7R;

CERAMIC

3C3 1GRM155R62A104KE14 MURATA 0.1µF

CAP; SMT (0402); 0.1µF; 10%; 100V; X5R;

CERAMIC

4C4 1CGA4J1X7S1C106K125;

GCM21BC71C106KE35

TDK;MURATA 10µF CAP; SMT (0805); 10µF; 10%; 16V; X7S;

CERAMIC

5C5, C6 2UMK107AB7105KA;

CC0603KRX7R9BB105 TAIYO YUDEN;YAGEO 1µF CAP; SMT (0603); 1µF; 10%; 50V; X7R;

CERAMIC

6C7 1

CC0603KRX7R0BB104;

GRM188R72A104KA35;

HMK107B7104KA;

06031C104KAT2A;

GRM188R72A104K

YAGEO;MURATA;TAIYO

YUDEN;AVX;MURATA 0.1µF CAP; SMT (0603); 0.1µF; 10%; 100V; X7R;

CERAMIC

7C8-C11 4CGA3EANP02A103J080AC TDK 0.01µF CAP; SMT (0603); 0.01µF; 5%; 100V; C0G;

CERAMIC

8D1 1SMBJ36A-E3 VISHAY GENERAL

SEMICONDUCTOR 36V DIODE; TVS; SMB (DO-214AA);

VRM = 36V; IPP = 10.3A

9DS1-DS4,

DS9 5LGL29K-F2J1-24-Z OSRAM LGL29K-F2J1-24-Z DIODE; LED; SMARTLED; GREEN;

SMT; PIV = 1.7V; IF =0.02A

10 DS5-DS8 4LS L29K-G1J2-1-Z OSRAM LS L29K-G1J2-1-Z

DIODE; LED; SMART; RED; SMT (0603);

PIV = 1.8V; IF =0.02A; -40 DEGC

TO +100 DEGC

11 J1 1TSW-106-08-S-D-RA SAMTEC TSW-106-08-S-D-RA CONNECTOR; THROUGH HOLE; DOUBLE

ROW; RIGHT ANGLE; 12 PINS;

12 J2 1PJ-202AH CUI INC. PJ-202AH CONNECTOR; MALE; THROUGH HOLE;

DC POWER JACK; RIGHT ANGLE; 3PINS

13 J3 1250-408 WAGO 250-408

CONNECTOR; FEMALE; THROUGH HOLE;

COMPACT TERMINAL STRIP WITH PUSH

BUTTON; STRAIGHT; 8 PINS

14 R1, R2 2

CRCW060310K0FK;

ERJ-3EKF1002;

AC0603FR-0710KL;

RMCF0603FT10K0

VISHAY;PANASONIC;

YAGEO;STACKPOLE 10K RES; SMT (0603); 10K; 1%;

+/-100PPM/DEGC; 0.1000W

15 R3 1CRCW0603162KFK VISHAY DALE 162K RES; SMT (0603); 162K; 1%;

+/-100PPM/DEGC; 0.1000W

16 R4-R6, R12,

R13

5CRCW06031K50FK VISHAY DALE 1.5K RES; SMT (0603); 1.5K; 1%;

+/-100PPM/DEGC; 0.1000W

17 R7-R11 5ERJ-2GEJ102 PANASONIC 1K RES; SMT (0402); 1K; 5%;

+/-200PPM/DEGC; 0.1000W

18 R14-R17 4

CRCW0603499KFK;

ERJ-3EKF4993;

RC0603FR-07499KL

VISHAY

DALE;PANASONIC;

YAGEO

499K RES; SMT (0603); 499K; 1%;

+/-100PPM/DEGC; 0.1000W

19 U1 1MAX14916AFM+ MAXIM MAX14916AFM+

IC; HSSWTCH; COMPACT INDUSTRIAL

OCTAL 1A/QUAD 2A; HIGH-SIDE

SWITCH WITH DIAGNOSTICS;

FCQFN48-EP

20 PCB 1MAX14916PMB MAXIM PCB PCB:MAX14916PMB

TOTAL 43

NOTE: DNI --> DO NOT INSTALL (PACKOUT); DNP --> DO NOT PROCURE

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Evaluates: MAX14916

MAX14906PMB Schematic

PLACE DS2 AND DS6 CLOSE TO CH1

PLACE DS4 AND DS8 CLOSE TO CH2

PLACE DS1 AND DS5 CLOSE TO CH3

PLACE DS3 AND DS7 CLOSE TO CH4

PLACE PULL-DOWN RESISTOR

PLACE TVS AND C2 CLOSE TO ADAPTER

PLACE PULL-UP RESISTOR

CLOSE TO MAX14916 IC

20.37UA

PLACE 1X 1UF CAP CLOSE

PLACE ALL OUTPUT CAPS CLOSE

TO MAX14916 IC

PLACE CAPS CLOSE TO IC

TO EACH VDD PIN

1.7V @ 1,07MA

1.8V @ 1MA

R17 R16 R15 R14

C3 C4

C5 C6

R11

R10

R13

R12

R2 R1

C11

C10

K A

DS9

DS8

DS7

DS6

DS5

DS3

DS4

DS1

DS2

SPI_MISO

SPI_MOSI

VCOM

SYNCH

VDD

0.01UF

1.5K

FAULT

250-408

0.01UF

VLDO

PJ-202AH

CH4

499K

10UF

1UF

499K

0.01UF

499K499K

SPI_CS

MAX14916AFM+

VLDO

10UF

VCOM

1.5K

0.1UF

VDD

1UF

SPI_SCLK

FAULT

READY

1.5K

ENABLE CH3

CH1

CH2

162K

36V

SPI_SCLK READY

SPI_MOSI

FAULT

ENABLE

SYNCH

VCOM

10K

VCOM

10K

TSW-106-08-S-D-RA

SPI_CS

SPI_MISO

VCOM

VDD

OUT4

READY

VDD

GND

OUT5

COMERR

OWONSET

OUT4

OUT3

OUT2

LL48

OUT5

CRCEN

GND

OUT3

OUT2

OUT6

OUT7

FAULT

SDO

SYNCH

SDI

CLK

A0/WDEN

OUT1

GND

LHS1-4

LHS5-8

OUT6

LHF1-4

LHF5-8

VLED

A1/SYNCWD

DAISY

REGEN

OUT7

OUT8

GND

VDDOK

LL15

LL26

LL37

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