MAX16545B [MAXIM]
12V Nominal Operating Voltage;
| 型号： | MAX16545B |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | 12V Nominal Operating Voltage |
| 文件： | 总12页 (文件大小：1072K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Click here for production status of specific part numbers.
MAX16545BEVKIT120#
Evaluation Kit
Evaluates: MAX16545B/MAX16545C,
MAX16543
General Description
Quick Start
This evaluation kit (EV kit) serves as a reference for eval-
uating Maxim’s MAX16545B/MAX16545C integrated pro-
tection ICs on a 12V bus. The MAX16545B/MAX16545C
are circuit-breaker protection ICs with an integrated low
resistance MOSFET and lossless current sense circuitry
featuring PMBus control and reporting.
Required Equipment
● MAX16545BEVKIT120# assembly
● 12V DC power supply with adequate current output
(up to 120A)
● Voltmeter
The MAX16545BEVKIT120# is assembled with two
MAX16543 follower ICs, increasing the total current capability
to 120A. One or both follower ICs can be removed to
reduce the capability to 90A or 60A in a smaller footprint.
Optional Equipment
● Oscilloscope
● MAXPOWERTOOL002# USB-to-SMBus interface
device
With appropriate changes to external components, this EV
kit can be used to evaluate many of Maxim’s monolithic
hot-swap and protection devices, such as the MAX16550,
MAX16545, and MAX16551.
● PC with Maxim PowerTool PMBus GUI installed
● Electronic load for testing, or +12V circuitry to be
powered from the EV kit output
Procedure
Features
The EV kit is fully assembled and tested. Follow the steps
below to verify board operation:
● 12V Nominal Operating Voltage
● Up to 120A Load Current Capability
● Resistor-Configurable Overcurrent Threshold
● Resistor-Configurable Undervoltage Lockout
● Power-Good Output
1) Connect the MAXPOWERTOOL002 dongle to the
PC. The dongle LED should be green
2) Turn on the power supply and set the supply to 12V,
then disable the power supply
● PMBus Configuration, Control, and Monitoring
3) Check that a shunt is installed across pins 1-2 on
jumper J1 to connect the 3.3V aux supply to the
circuitry
4) Check that switch S2 is in the off position
Ordering Information appears at end of data sheet.
319-100365; Rev 1; 3/20
MAX16545BEVKIT120#
Evaluation Kit
Evaluates: MAX16545B/MAX16545C,
MAX16543
5) Connect the power supply positive lead to J3 (V )
IN
10) Check that the GUI shows a connection to a “VT505/
MAX16545” device as shown in Figure 1.
6) Connect the power supply negative (ground) lead to
J4 (GND)
11) Switch on S2 to enable the EV kit output. Check that
the toggle of S2 illuminates green. The GUI should not
show that the output is enabled, as shown in Figure 2.
7) Enable the power supply
8) Check that there is no current (or very little current)
drawn from the supply
12) Use the multimeter to verify that the voltage between
the V
and GND connectors JMP2 to JMP9 is 12V
OUT
9) Use the multimeter to verify that +12V power is not
13) Apply load to the EV kit output
present at the output (between V
banana jacks J2 and J9)
and GND
OUT
14) Switch off S2 to disable the output if desired
Figure 1. PowerTool GUI connected to a disabled MAX16545B/MAX16545C device
Maxim Integrated
│ 2
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MAX16545BEVKIT120#
Evaluation Kit
Evaluates: MAX16545B/MAX16545C,
MAX16543
Figure 2. PowerTool GUI connected to an enabled MAX16545B/MAX16545C device
the device disconnects the output and indicates a fault
Detailed Description of Hardware
condition. If the input voltage falls low enough to bring the
EN/UVLO pin below 950mV, the device also shuts off the
output to protect against undervoltage conditions.
Please refer to the MAX16545B/MAX16545C device data
sheets for details of the application circuit, device configura-
tion through external component selection, and PMBus
telemetry and control.
Cable lugs on the EV kit allow for connection of heavy
cables or wires to carry the high current that this EV kit is
capable of controlling.
In general, the device provides controlled turn-on of the
output when the EN/UVLO pin is above 1V. If at any time
the load current exceeds the adjustable protection limits,
Maxim Integrated
│ 3
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MAX16545BEVKIT120#
Evaluation Kit
Evaluates: MAX16545B/MAX16545C,
MAX16543
An indicator LED in the toggle of the enable switch S2 is
shows the status of the FAULT and PWRGD signals:
Reducing the Current Capability
As delivered, the EVKIT is equipped with a full
complement of MAX16545B/MAX16545C and MAX16543
devices and their external discrete components. While the
ICs are capable of handling up to 120A current, the maxi-
mum telemetry value and Moderate OCP are configured
to 60A by resistors R9 and R23.
● Green indicates that the PWRGD output is asserted (high)
● Amber indicates that the ALERT output is asserted (low)
● Red indicates that the FAULT output is asserted (low)
If a fault condition occurs, it can be cleared (without
cycling power) either by PMBus command from the GUI,
or by toggling switch S2 off and back on again.
To configure the EV kit current-capability to 120A, 90A, or
60A, change and remove ICs and discrete components
as listed below in Table 1, Table 2, and Table 3.
Table 1. Configuration for 120A Capability
Table 3. Configuration for 60A Capability
REF DES
QTY
VALUE
REF DES
QTY
VALUE
R9
Change
Change
2.26K
53.6k
C32, C33, C43,
C48
Remove
0.1UF
1UF
R23
C6, C28, C30,
C31, C50, C58
Remove
Table 2. Configuration for 90A Capability
C29, C59
Remove
Remove
Remove
Remove
Remove
Remove
Remove
0.01UF
REF DES
C33, C48
QTY
VALUE
C24, C53
10UF
Remove
Remove
Remove
Remove
Remove
Remove
Remove
Change
Remove
Change
Remove
0.1UF
1UF
C34, C35
1UF
C28, C31, C50
R20, R21
10K
C29
C24
C35
R21
R15, R19
R9
0.01UF
R2, R15, R18, R19
R16, R17
499
10UF
1K
1UF
U2, U3
MAX16543GPC+
10K
499
3.01K
Ordering Information
R17
R23
U3
1K
71.5k
PART
TYPE
MAX16543GPC+
MAX16545BEVKIT120#
120A Evaluation Kit
Maxim Integrated
│ 4
www.maximintegrated.com
MAX16545BEVKIT120#
Evaluation Kit
Evaluates: MAX16545B/MAX16545C,
MAX16543
MAX16545B EV Kit Bill of Materials
REF DES
QTY
PART #
MANUFACTURER
MURATA
VALUE
C5, C18, C25, C32, C33,
C43, C48
7
GRM155R71E104KE14
0.1UF
1UF
C6, C14, C17, C28, C30,
C31, C50
7
GRM188R71E105KA12
MURATA
C9
1
3
1
1
2
2
2
5
1
1
1
C1005X7R1E473K050BC
C0402C103K5RAC
C0402X7R160-223JNP
C1005X7R1E224K050BB
TMK212BBJ106KG-T
C1005X5R1E105K050
GRM31CR71E106KA12
CGA2B3X7R1H104K050BB
SMDJ13A
TDK
0.047UF
0.01UF
0.022UF
0.22UF
10UF
C15, C16, C29
KEMET
C19
VENKEL LTD
TDK
C23
C24, C53
TAIYO YUDEN
TDK
C34, C35
1UF
C61, C63
MURATA
TDK
10UF
C114, C160-C163
0.1UF
13V
D2
D3
J1
LITTELFUSE
VISHAY
SAMTEC
V8PAL45-M3/I
V8PAL45-M3/I
TSW-101-07-L-D
TSW-101-07-L-D
EMERSON NETWORK
POWER
J2-J4, J9
4
111-2223-001
111-2223-001
J6
1
2
AWHW16G-0202-T
TSW-102-07-T-S
ASSMANN
SAMTEC
AWHW16G-0202-T
TSW-102-07-T-S
J10, J11
JMP1-JMP4, JMP7,
JMP8, JMP11, JMP12
INTERNATIONAL
HYDRAULICS INC
8
4
7
B2A PCB
B2A PCB
NYLON_
STANDOFF_6-32_1/4
NYLON_
STANDOFF_6-32_1/4
MECH1-MECH4
MAXIM
R1, R5, R8, R11, R12,
R20, R21
ERJ-2RKF1002
PANASONIC
10K
R2, R15, R18, R19
4
1
1
1
ERJ-2RKF4990
PANASONIC
VISHAY DALE
VISHAY DALE
VENKEL LTD
499
R3
R4
R9
CRCW040220K0FK
CRCW04022K26FK
CR0402-16W-4421FT
20K
2.26K
4.42K
Maxim Integrated
│ 5
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MAX16545BEVKIT120#
Evaluation Kit
Evaluates: MAX16545B/MAX16545C,
MAX16543
MAX16545B EV Kit Bill of Materials (continued)
REF DES
QTY
PART #
MANUFACTURER
VISHAY
VALUE
R13, R14, R84, R85,
R88, R90
6
CRCW0402100KFK
100K
1K
INTERNATIONAL
MANUFACTURING
SERVICE
R16, R17
2
RCC-0402PW1001F
R22
1
1
2
1
1
1
5
1
1
1
1
1
2
1
ERJ-2RKF1781
ERJ-2RKF1073
CRCW04022K00FK
CRCW0402221RFK
CRCW0402150RFK
G12JPCF
PANASONIC
PANASONIC
VISHAY DALE
VISHAY DALE
VISHAY DALE
NKK SWITCHES
KEYSTONE
KEYSTONE
KEYSTONE
KEYSTONE
KEYSTONE
MAXIM
1.78K
107K
2K
R23
R86, R87
R103
221
R104
150
S2
G12JPCF
N/A
TP1, TP2, TP4-TP6
5127
TP17
TP18
TP20
TP21
U1
5012
N/A
5126
N/A
5013
N/A
5014
N/A
MAX16545BGPF+
MAX16543GPC+
MAX15006AATT+
MAX16545BGPF+
MAX16543GPC+
MAX15006AATT+
U2, U3
U4
MAXIM
MAXIM
FAIRCHILD
SEMICONDUCTOR
U9, U14
U11
2
1
1
NC7WZ38K8X
NC7SZ08L6X
NC7SZ14M5X
NC7WZ38K8X
NC7SZ08L6X
NC7SZ14M5X
FAIRCHILD
SEMICONDUCTOR
FAIRCHILD
SEMICONDUCTOR
U12
Maxim Integrated
│ 6
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MAX16545BEVKIT120#
Evaluation Kit
Evaluates: MAX16545B/MAX16545C,
MAX16543
MAX16545B EV Kit Schematic
6
ꢀ
ꢁ
6
ꢀ
ꢁ
1 2
1 2
V I ꢈ
V I ꢈ
V I ꢈ
V I ꢈ
1 2
1 1
1 0
ꢂ
1 3
V ꢅ ꢅ
2 2
C
A
C
A
Maxim Integrated
│ 7
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MAX16545BEVKIT120#
Evaluation Kit
Evaluates: MAX16545B/MAX16545C,
MAX16543
MAX16545B EV Kit Schematic (continued)
ꢊ
1
1
2
2
ꢊ
1
2
ꢊ
ꢊ
ꢊ
2
1
2
1
2
1
2
1
3
ꢀ
4
ꢊ
1
1
2
2
1
2
ꢊ
ꢊ
2
1
2
1
2
1
2
1
1
1
2
2
ꢊ
1
2
Maxim Integrated
│ 8
www.maximintegrated.com
MAX16545BEVKIT120#
Evaluation Kit
Evaluates: MAX16545B/MAX16545C,
MAX16543
MAX16545B EV Kit Schematic (continued)
ꢉ ꢁ E E ꢇ
6
5
C ꢋ M
ꢁ E ꢊ
4
6
3
5
ꢅ
4
ꢅ
4
ꢅ
4
1
5
3
Maxim Integrated
│ 9
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MAX16545BEVKIT120#
Evaluation Kit
Evaluates: MAX16545B/MAX16545C,
MAX16543
MAX16545B EV Kit PCB Layout Diagrams
MAX16545B EV Kit—Silk_Top
MAX16545B EV Kit—Top
MAX16545B EV Kit—LAYER_2
MAX16545B EV Kit—LAYER_3
Maxim Integrated
│ 10
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MAX16545BEVKIT120#
Evaluation Kit
Evaluates: MAX16545B/MAX16545C,
MAX16543
MAX16545B EV Kit PCB Layout Diagrams (continued)
MAX16545B EV Kit—LAYER_4
MAX16545B EV Kit—LAYER_5
MAX16545B EV Kit—Bottom
MAX16545B EV Kit—Silk_Bot
Maxim Integrated
│ 11
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MAX16545BEVKIT120#
Evaluation Kit
Evaluates: MAX16545B/MAX16545C,
MAX16543
Revision History
REVISION REVISION
PAGES
CHANGED
DESCRIPTION
NUMBER
DATE
0
1
4/19
Initial release
—
3/20
Added MAX16545C
All
For pricing, delivery, and ordering information, please visit Maxim Integrated’s online storefront at https://www.maximintegrated.com/en/storefront/storefront.html.
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.
2020 Maxim Integrated Products, Inc.
│ 12
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