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Powering the Zynq Evaluation and Development Board (ZedBoard)

リファレンス回路 5449

Powering the Zynq Evaluation and Development Board (ZedBoard)

アプリケーションノート

概要


Introduction

This fully tested reference design provides a complete solution for powering the Xilinx® Zynq® Extensible Processing Platform (EPP). The board was developed by Avnet and Digilent in close collaboration with Xilinx and Maxim. The Zynq device requires nine unique power supply rails (Table 1).

Table 1. Power Rail Descriptions

Symbol Description Output Voltage Current Maxim Solution
VCCODDR Processing system DDR I/O supply voltage 1.5V 1.5A MAX15021
VCCINT Programmable logic (PL) internal supply voltage 1.0V 1.3A
Adjustable VCCO Power supply for I/O banks 3.3V/2.5V/1.8V 2A MAX15021
VCCO Power supply for I/O banks 3.3V 3A
VCCAUX PL auxiliary supply voltage 1.8V 0.8A MAX15053
VCCADC XADC supply 1.8V 150mA MAX1983
VREFP External reference voltage for XADC 1.25V 5mA MAX6037A
VTT DDR3 termination supply 0.75V 1A MAX1510
VCC5V0 5V power supply from 12V 5V 6A MAX8686

C connector, and other devices on the board. This is done using two MAX15021 dual-output monolithic synchronous pulse-width modulation (PWM) step-down regulators, oneMAX15053 high-efficiency synchronous step-down regulator, the MAX1983 low-dropout linear regulator, the MAX6037A reference voltage, the MAX1510 low-voltage DDR linear regulator, and the MAX8686 monolithic synchronous step-down regulator. Customers who can use 5V as VIN do not need the MAX8686 in their designs. All devices can be sequenced at power-up, as indicated in Figure 1.

Figure 1. Block diagram of the Zynq power architecture.
Figure 1. Block diagram of the Zynq power architecture.

These point-of-load (POL) regulators were chosen for this design due to their accuracy, small size, and ease of use. Avnet considered solutions from a number of competitive power IC suppliers and chose Maxim for its ideal fit in technical capability, ease of use, and solution cost to meet Zynq EPP power requirements. The MAX15021 dual monolithic synchronous step-down converter is capable of providing up to 4A and 2A from a 5mm x 5mm package. The MAX15053 monolithic synchronous step-down converter can provide up to 2A with very low on-resistance internal MOSFETs. The MAX1983 low-dropout linear regulator can provide up to 300mA, the MAX1510 low-voltage DDR linear regulator, the MAX6037A 0.2% high-accuracy voltage reference and the MAX8686 monolithic synchronous step-down converter are capable of providing up to 25A.

詳細

Introduction

This fully tested reference design provides a complete solution for powering the Xilinx® Zynq® Extensible Processing Platform (EPP). The board was developed by Avnet and Digilent in close collaboration with Xilinx and Maxim. The Zynq device requires nine unique power supply rails (Table 1).

Table 1. Power Rail Descriptions

Symbol Description Output Voltage Current Maxim Solution
VCCODDR Processing system DDR I/O supply voltage 1.5V 1.5A MAX15021
VCCINT Programmable logic (PL) internal supply voltage 1.0V 1.3A
Adjustable VCCO Power supply for I/O banks 3.3V/2.5V/1.8V 2A MAX15021
VCCO Power supply for I/O banks 3.3V 3A
VCCAUX PL auxiliary supply voltage 1.8V 0.8A MAX15053
VCCADC XADC supply 1.8V 150mA MAX1983
VREFP External reference voltage for XADC 1.25V 5mA MAX6037A
VTT DDR3 termination supply 0.75V 1A MAX1510
VCC5V0 5V power supply from 12V 5V 6A MAX8686

C connector, and other devices on the board. This is done using two MAX15021 dual-output monolithic synchronous pulse-width modulation (PWM) step-down regulators, oneMAX15053 high-efficiency synchronous step-down regulator, the MAX1983 low-dropout linear regulator, the MAX6037A reference voltage, the MAX1510 low-voltage DDR linear regulator, and the MAX8686 monolithic synchronous step-down regulator. Customers who can use 5V as VIN do not need the MAX8686 in their designs. All devices can be sequenced at power-up, as indicated in Figure 1.

Figure 1. Block diagram of the Zynq power architecture.
Figure 1. Block diagram of the Zynq power architecture.

These point-of-load (POL) regulators were chosen for this design due to their accuracy, small size, and ease of use. Avnet considered solutions from a number of competitive power IC suppliers and chose Maxim for its ideal fit in technical capability, ease of use, and solution cost to meet Zynq EPP power requirements. The MAX15021 dual monolithic synchronous step-down converter is capable of providing up to 4A and 2A from a 5mm x 5mm package. The MAX15053 monolithic synchronous step-down converter can provide up to 2A with very low on-resistance internal MOSFETs. The MAX1983 low-dropout linear regulator can provide up to 300mA, the MAX1510 low-voltage DDR linear regulator, the MAX6037A 0.2% high-accuracy voltage reference and the MAX8686 monolithic synchronous step-down converter are capable of providing up to 25A.

Detailed schematics for each POL are shown below in Figures 2 through 8, and the complete bill of materials (BOM) is included at the end of this document. This evaluation board can be purchased from Avnet. More information is available in a video from Maxim, Xilinx, and Avnet.


More detailed image (PDF, 249kB)
Figure 2. The MAX15021 is used to supply 1.5V/1.5A for VCCODDR and 1V/1.3A for VCCINT.


More detailed image (PDF, 264kB)
Figure 3. The MAX15021 is used to supply fixed 3.3V/3A for VCCO and 3.3V, 2.5V, 1.8V/2A for adjustable VCCO.


More detailed image (PDF, 211kB)
Figure 4. The MAX15053 is used to supply 1.8V/0.8A for VCCAUX.


Figure 5. The MAX1983 is used to supply 1.8V/150mA for VCCADC.


Figure 6. The MAX6037A is used to supply 1.25V/5mA for VREFP.


Figure 7. The MAX1510 is used to supply 0.75V/±1A for DDR VTT.

Figure 8. The MAX8686 is used to supply 5V.
More detailed image (PDF, 257kB)
Figure 8. The MAX8686 is used to supply 5V.

Table 2. Bill of Materials (BOM)

Designator Value Comment Footprint Description Quantity Manufacturer
BTN6, BTN7   SW-P8008 with RED CAP SW-P8008 Push Button Switch,SPST, Thru Hole 2  
BTN8, BTN9, BTNC, BTND, BTNL, BTNR, BTNU   SW-P8008 SW-P8008 Push Button Switch, SPST, Thru Hole 7  
C1, C2, C4, C5, C7, C19, C21, C36, C37, C38, C43, C51, C52, C53, C57, C59, C61, C62, C63, C65, C66, C68, C69, C70, C71, C72, C79, C80, C81, C84, C85, C86, C90, C91, C93, C94, C95, C96, C98, C106, C252, C253, C254, C257, C260, C264, C266, C267, C270, C271, C272, C273, C363, C374, C375 0.1µF CAPACITOR CAP0402 Generic Capacitor 55  
C108, C109, C110, C111, C112, C113, C114, C122, C123, C124, C125, C126, C142, C143, C144, C145, C146, C155, C156, C161, C162, C167, C168, C169, C170, C171, C181, C182, C183, C189, C190, C191, C192, C193, C234, C235, C236, C241, C242, C243, C278, C279, C280, C281, C282, C283, C284, C285, C286, C287, C288, C289, C290, C291, C292, C293, C294, C295, C296, C297, C298, C299, C300, C301, C302, C303, C304, C305, C306, C307, C308, C309 47nF CAPACITOR CAP0402 Generic Capacitor 72  
C12, C318, C319, C320, C321, C322, C323, C331, C332, C343, C348, C349, C360, C384 100nF CAPACITOR CAP0402 Generic Capacitor 14  
C127, C137, C138, C147, C154, C160, C172, C180, C194, C233, C244, C310, C311, C313, C314 470nF CAPACITOR CAP0402 Generic Capacitor 15  
C131, C132, C133, C151, C152, C158, C176, C177, C198, C230, C247, C248, C379 100µF CAPACITOR CAP1210 Generic Capacitor 13  
C15, C16, C23, C24 100nF No Load CAP0402 Generic Capacitor 4  
C199, C200, C201, C202, C203, C209, C210, C211, C212, C213, C214, C215 47nF Murata GRM Series CAP0402 Generic Capacitor 12  
C204, C205, C206, C207, C208 10nF Murata GRM Series CAP0402 Generic Capacitor 5  
C216, C227, C228, C229 100µF Murata GRM Series CAP1210 Generic Capacitor 4  
C217, C218, C219, C222, C223, C224, C225, C226 4.7µF Murata GRM Series CAP0603 Generic Capacitor 8  
C220 470nF Murata GRM Series CAP0402 Generic Capacitor 1  
C221 0.47µF Murata GRM Series CAP0402 Generic Capacitor 1  
C25, C26, C27, C28, C39, C44, C54, C73, C74, C75, C78, C255, C258, C261, C265, C324, C325, C377, C386, C397 1µF CAPACITOR CAP0402 Generic Capacitor 20  
C29, C31, C32, C33, C34, C35, C41, C42, C46, C47, C48, C49, C50, C56, C97, C101, C103, C104, C105, C107, C115, C116, C117, C118, C119, C120, C121, C139, C140, C141, C157, C163, C164, C165, C166, C184, C185, C186, C187, C188, C237, C238, C239, C240, C249, C250, C256, C259, C262, C263, C268, C269, C274, C275, C276, C277, C316, C317 10nF CAPACITOR CAP0402 Generic Capacitor 58  
C3, C6 220µF No Load CPOL3528 Generic Polarized Capacitor 2  
C30 NL CAPACITOR CAP0603 Generic Capacitor 1  
C328, C345 100µF CPOL CAP1210 Generic Polarized Capacitor 2  
C329, C330, C346, C347 22µF CAPACITOR CAP0805 Generic Capacitor 4  
C333, C338, C350, C355 750pF CAPACITOR CAP0402 Generic Capacitor 4  
C334, C335, C339, C340, C351, C352, C356, C357 47µF CAPACITOR CAP1210 Generic Capacitor 8  
C336, C341, C353, C358 470pF CAPACITOR CAP0402 Generic Capacitor 4  
C337, C342, C354, C359 10pF CAPACITOR CAP0402 Generic Capacitor 4  
C344, C361 0 No Load CAP0402 Generic Capacitor 2  
C362, C365, C366 22µF CPOL CAP1210 Generic Polarized Capacitor 3  
C364 100pF CAPACITOR CAP0402 Generic Capacitor 1  
C368 220nF 15%, 10V CAP0402 Generic Capacitor 1  
C370 22nF CAPACITOR CAP0402 Generic Capacitor 1  
C371 No Load CAPACITOR CAP0402 Generic Capacitor 1  
C373 3.3nF CAPACITOR CAP0402 Generic Capacitor 1  
C380, C381 1µF CAPACITOR CAP0805 Generic Capacitor 2  
C383 0.33µF CAPACITOR CAP0402 Generic Capacitor 1  
C385 1nF/250V CAPACITOR CAP0805 Generic Capacitor 1  
C387, C388, C389, C390 22µF 25V CAP1210 Generic Capacitor 4  
C391, C392, C393, C394 47µF GRM32ER71A476KE15 CAP1210 Generic Capacitor 4 Murata
C395, C398 0.22µF CAPACITOR CAP0402 Generic Capacitor 2  
C396 0.1µF 25V CAP0402 Generic Capacitor 1  
C399 20nF CAPACITOR CAP0402 Generic Capacitor 1  
C40, C45, C55, C58, C251 10µF CAPACITOR CAP0603 Generic Capacitor 5  
C400 330pF CAPACITOR CAP0402 Generic Capacitor 1  
C401 15pF CAPACITOR CAP0402 Generic Capacitor 1  
C402 150pF CAPACITOR CAP0402 Generic Capacitor 1  
C403 15nF CAPACITOR CAP0402 Generic Capacitor 1  
C64, C67, C128, C129, C130, C134, C135, C136, C148, C149, C150, C153, C159, C173, C174, C175, C178, C179, C195, C196, C197, C231, C232, C245, C246, C312, C315 4.7µF CAPACITOR CAP0603 Generic Capacitor 27  
C76, C77 39pF 5% CAP0402 Generic Capacitor 2  
C8, C10, C11, C13, C14, C17, C18, C20, C22, C60, C376, C378 10µF CAPACITOR CAP0805 Generic Capacitor 12  
C82, C83 2.2µF CAPACITOR CAP0603 Generic Capacitor 2  
C87, C92, C326, C327 2.2µF CAPACITOR CAP0402 Generic Capacitor 4  
C88 4.7µF 10V CAP0603 Generic Capacitor 1  
C89 120µF 10V CAP1210 Generic Polarized Capacitor 1  
C9 9.1pF CAPACITOR CAP0402 Generic Capacitor 1  
C99, C100, C102, C367, C369, C372, C382 1nF CAPACITOR CAP0402 Generic Capacitor 7  
D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D12, D13, D14, D17, D19, D20, D21   SESD0802Q4UG-0020-090 SESD0802Q4UG Quad Diode Array for ESD protection 17 TE Connectivity
D11   BAS16XV2T1-D SOD-523 Surface Mount ESD Protection Diode 1 On Semiconductor
D15   PESD0402-140 D0603 Surface Mount ESD Protection Diode 1 TE Connectivity
D16, D18, D22, D23, D24, D25   RB751S40 SOD-523 Schotkey Diode NOT GENERIC 6  
D26   BZX34-A3V0 SOT23 Dual Common Cathode Surface Mount Rectifier 1 Vishay
DISP1   UG-2832HSWEG04 UG-2832HSWEG04 OLED, 128x32 monochrome, Passive Matrix Module 1 Wisechip
F1, F2, F3, F4   Foot Foot#6 Mechanical Foot for #6 Screw or Rubber Pad 4  
F5 5A 0603SFF500F/32-2 RES0603 Generic Resistor 1  
FB1, FB2, FB3, FB4, FB5, FB8, FB9, FB11, FB12, FB13, FB14 600 MPZ2012S601A FB0805 Generic Ferrite Bead 11  
FB10 No Load MPZ2012S601A FB0805 Generic Ferrite Bead 1  
FB6, FB7 220 SMB-201209-F2-221P FB0805 Generic Ferrite Bead 2  
IC1   74LCX125BQX DQFN14 Low Voltage Quad Tri-State Buffer with 5V Tolerant I/O 1 Fairchild
IC10   TUSB1210BRHB QFN32 - C ULPI Hi-Speed USBOTG transceiver 1 Texas Instruments
IC11   CY7C64225-28PVXC SSOP28 Full-Speed USB toUART Controller 1 Cypress
IC12 26MHz 767-26-31 HC5 3.3V HCMOS Oscillator 1 Fox Electronics
IC13   TXS0102DQE DQE8 2-Bit BidirectionalVoltage-Level Translator 1 Texas Instruments
IC14 No Load S25FL256SAGNFI00 MLP8 Serial Flash Memory, 16Mbit, Low Voltage, 50MHz SPI BusInterface 1 Spansion
IC15   S25FL256SAGMFI00 SOIC16-WIDE Serial Flash Memory, 16Mbit, Low Voltage, 50MHz SPI Bus Interface 1 Spansion
IC16   XC7Z020CLG484 CSG484 Zynq 7000 FPGA 20 Die, in a CSG 484 Package 1 Xilinx
IC17 100MHz 767-100-136 HC5 3.3V HCMOS Oscillator 1 Fox Electronics
IC18 33.33MHz 767-33.333333-12 HC5 3.3V HCMOS Oscillator 1 Fox Electronics
IC19   74LCX126BQX DQFN14 Low voltage Quad Tri-State Buffer with 5V tolerant I/O 1 Fairchild
IC2   ADG719BRTZ SOT23-6 2:1 Mux/SPDT Switch 1 Analog Devices
IC20   NC7WZ07P6X SOT-363 TinyLogic UHS Dual Buffer 1 Fairchild
IC21   NC7SZ125M5X SOT23-5 TinyLogic UHS Buffer with Tri-State Output 1 Fairchild
IC22 12MHz 767-12-69 HC5 3.3V HCMOS Oscillator 1 Fox Electronics
IC23   SMT1 SMT1 USB to JTAG circuit 1 Digilent
IC24   93LC56BT SOT23-6 2K Microwire Compatible SerialEEPROM 1 Microchip
IC25, IC26   MT41J128M16HA-15E:D FBGA96 DDR3 SDRAM 4Gb x4, x8, x16 2 Micron
IC27, IC28   MAX15021ATI+ QFN28-5X5 Dual, 4A/2A, 4MHz, Step-Down DC-DC Regulator with Tracking/Sequencing Capability 2 Maxim
IC29   LM339M SOIC14N Quad Low Power, Precision Comparator 1 Texas Instruments
IC3   ADAU1761BCPZ QFN32 SigmaDSP Stereo, Low Power, 96kHz, 24-Bit Audio Codecwith Integrated PLL 1 Analog Devices
IC30   MAX15053EWL+ WLP9 High-Efficiency, 2A, Current-Mode Synchronous, Step-Down Switching Regulator 1 Maxim
IC31   MAX1983EUT+ SOT23-6 Low-Voltage, Low-Dropout Linear Regulators with External Bias Supply 1 Maxim
IC32   MAX6037AAUK12+T SOT23-5L Low-Power, Fixed and Adjuustable Reference with Shutdown 1 Maxim
IC33   MAX1510ETB DFN10 Low-Voltage, DDR Linear Regulators 1 Maxim
IC34   MAX8686ETL+ TQFN40 Single/Multiphase, Step-Down DC-DC Converter Delivers Up to 25A Per Phase 1 Maxim
IC4   ADP150ACBZ-3.3 WLCSP4 Ultra-Low Noise, 150mA CMOS Linear Regulator 1 Analog Devices
IC5 12MHz 767-12-68 HC5 3.3V HCMOS Oscillator 1 Fox Electronics
IC6 225MHz ADV7511KSTZ LQFP100 Low-Power HDMITransmitter with Audio Return Channel 1 Analog Devices
IC7   88E1518-XX-NNB2C000 QFN48 High Integrated 10/100/1000 UltraGigabit EthernetTranceiver 1 Marvell
IC8   TXS02612RTWR QFN24 SDIO Port Expander with Voltage-Level Translation 1 Texas Instruments
IC9   TPS2051BDBV DBV-5 Current-Limited, Power-Distribution Switch 1 Texas Instruments
J1   ASP-134603-01 ASP-134603-01 FMC SEARAY mezzanine connector, 160 pins 1 Samtec
J10   1-1734530-3 TE1734530 DB15F-HD 15 Pin Edge Connector 1 TE Connectivity
J11   1840808-7 TE1840808 Single Port 10/100/1000Base-TX RJ-45 Connector with Magnetics 1 TE Connectivity
J12   2041021-1 TE2041021 DM1 Series SD Memory Card Connector 1 TE Connectivity
J13, J14, J17   1981584-1 TE 1981584 USB Micro AB connector 3 TE Connectivity
J15   HDR-2x7-2mm HDR-2X7 -2mm Header 2mm 2x7 1  
J16, J19   No Load HDR-1x2 Header 100mil 1x2 2  
J18   Special, load HDR-2x2 HDR-2x3 Header 100mil 2x3 1  
J2   TST-110-01-G-D TST-110-01-G-D Header 100mil 2x10 MTE 1 Samtec
J20   163-054, 2.5x5.5mm, RA KLD-0202s Coax power Connector 1 Kingfont Precision Ind.
J21   HDR-1x2 HDR-1x2 Header 100mil 1x2 1  
J3, J4   TP HDR-1X1 Header 100mil 1x1 2  
J5   BLACK ST-3000 ST-3000 Series 3.5mm Audio Jack 1 Kycon
J6   GREEN ST-3000 ST-3000 Series 3.5mm Audio Jack 1 Kycon
J7   PINK ST-3000 ST-3000 Series 3.5mm Audio Jack 1 Kycon
J8   BLUE ST-3000 ST-3000 Series 3.5mm Audio Jack 1 Kycon
J9   5-1903015-1 HDMI_1903015 HDMI 1903015, 19 Pin Edge Connector with Shield, (Molex) 1 TE Connectivity
JA1, JB1, JC1, JD1, JE1   PMOD-2x6-S PMOD-2x6 Pmod System Board Header 2x6, 100mil spaced 5  
JP1, JP2, JP3, JP6, JP12, JP13   JMP-1x2 JPR-1x2 Jumper 100mil 1x2 6  
JP4, JP5   No Load JPR-1x2 Jumper 100mil 1x2 2  
JP7, JP8, JP9, JP10, JP11   JMP-1x3 JPR-1x3 Jumper 100mil 1x3 5  
L1 1.2nH CLH1608T-1N2S-S IND0603 Generic Inductor 1 Taiyo Yuden
L2, L4 1µH/6A SNR6045-1R0N CDRH6D38 Generic Inductor 2  
L3, L5 1µH/3.6A NRS5020T1R0NMGJ SD5012D Generic Inductor 2  
L6 1µH/6A SRN6045-1R0Y CDRH6D38 Generic Inductor 1  
L7 1.5µH 744314150 CR43 Generic Inductor 1 Wurth Electronics
LD0, LD1, LD2, LD3, LD4, LD5, LD6, LD7 RED LED D0603 Generic LED 8  
LD10, LD11 YLW LED D0603 Generic LED 2  
LD12 BLUE LED D0603 Generic LED 1  
LD13 GREEN LED D0603 Generic LED 1  
LD9 GRN LED D0603 Generic LED 1  
LG1   Zed Board Logo LOGO_ZED_1.5 Zed Board Logo at 1" wide 1  
LG2   Logo_Digilent-BT Logo_Digilent-BT_1.0 Digilent Logo 1  
LG3   Logo_ROHS LOGO_ROHS ROHS (WEEE) Symbol 1  
LG4   Logo_Chinese ROHS LOGO_CHINESE-ROHS Chinese ROHS Symbol 1  
LG5   Logo_Avnet Logo_Avnet_1.0 Avnet Logo 1  
LG6   Logo_CE Logo_CE CE logo 1  
Q1   MBT3904DW1T1 SOT-363 Dual general Purpose Transistors 1 ON Semiconductor
Q2, Q3   NTS2101P SOT-323 (SC-70) Single P-ChannelPower Mosfet 1.4A, 8V 2 ON Semiconductor
Q4   FDV301N SOT23 Single Digital FET, N-Channel 1 Fairchild
R1, R38, R43, R47, R48, R56, R57, R58, R60, R61, R62, R63, R64, R65, R66, R67, R68, R69, R70, R71, R72, R73, R74, R82, R83, R84, R85, R98, R99, R107, R132, R134, R136, R160, R165, R176, R198, R199, R200, R201, R203, R205, R206, R207, R262, R287 10kΩ RESISTOR RES0402 Generic Resistor 46  
R100, R101, R177, R178, R179, R180, R182, R183, R184, R264 20kΩ RESISTOR RES0402 Generic Resistor 10  
R102 27kΩ RESISTOR RES0402 Generic Resistor 1  
R103, R104 50Ω 1% RES0402 Generic Resistor 2  
R105, R106 1.74kΩ RESISTOR RES0402 Generic Resistor 2  
R110, R114, R121 4kΩ RESISTOR RES0402 Generic Resistor 3  
R113, R120, R124 510Ω RESISTOR RES0402 Generic Resistor 3  
R116 2.43kΩ 1% RES0402 Generic Resistor 1  
R125 887Ω 1% RES0402 Generic Resistor 1  
R129, R130 55Ω RESISTOR RES0402 Generic Resistor 2  
R131, R141, R142, R143, R189, R190, R196, R197, R260, R261 100kΩ RESISTOR RES0402 Generic Resistor 10  
R133 4.99kΩ 1% RES0402 Generic Resistor 1  
R137 390kΩ RESISTOR RES0402 Generic Resistor 1  
R138, R140, R173 499Ω RESISTOR RES0402 Generic Resistor 3  
R146, R278 0Ω RESISTOR RES0805 Generic Resistor 2  
R148, R149 24Ω 1% RES0402 Generic Resistor 2  
R157 330Ω RESISTOR RES0402 Generic Resistor 1  
R159 270Ω RESISTOR RES0402 Generic Resistor 1  
R170, R181 24Ω RESISTOR RES0402 Generic Resistor 2  
R171, R172 10kΩ 1% RES0402 Generic Resistor 2  
R174, R175, R236 80Ω 1% RES0402 Generic Resistor 3  
R191, R192, R195, R202 4.99kΩ RESISTOR RES0402 Generic Resistor 4  
R193 470Ω RESISTOR RES0402 Generic Resistor 1  
R2, R3, R117, R118, R128, R135, R139, R158, R161, R211, R212 4.7K RESISTOR RES0402 Generic Resistor 11  
R204 12kΩ RESISTOR RES0402 Generic Resistor 1  
R209, R210 240Ω 1% RES0402 Generic Resistor 2  
R213, R214, R215, R216, R217, R218, R219, R220, R221, R222, R223, R224, R225, R226, R227, R228, R229, R230, R231, R232, R233, R234, R235 40Ω 1% RES0402 Generic Resistor 23  
R237, R241, R249, R253, R279, R280 10kΩ 0.1% RES0402 Generic Resistor 6  
R238, R242, R250, R254 150Ω RESISTOR RES0402 Generic Resistor 4  
R239, R243, R251, R255 18kΩ 1% RES0402 Generic Resistor 4  
R240 2.2kΩ 0.1% RES0402 Generic Resistor 1  
R244, R257 16kΩ RESISTOR RES0402 Generic Resistor 2  
R245 5kΩ 0.1% RES0402 Generic Resistor 1  
R246 8.56kΩ 0.1% RES0402 Generic Resistor 1  
R247 4kΩ 0.1% RES0402 Generic Resistor 1  
R252 6.7kΩ 0.1% RES0402 Generic Resistor 1  
R256 15kΩ 0.1% RES0402 Generic Resistor 1  
R258, R272 100kΩ 1% RES0402 Generic Resistor 2  
R259 37.5kΩ 1% RES0402 Generic Resistor 1  
R263 33kΩ 1% RES0402 Generic Resistor 1  
R265, R286 15K 1% RES0402 Generic Resistor 2  
R266 1Ω 0.25W/1% RES0805 Generic Resistor 1  
R267 8.06kΩ 0.1% RES0402 Generic Resistor 1  
R269 9.7kΩ 1% RES0402 Generic Resistor 1  
R270 4.02kΩ 0.1% RES0402 Generic Resistor 1  
R271 2.32kΩ 1% RES0402 Generic Resistor 1  
R273 21.5kΩ 1% RES0402 Generic Resistor 1  
R274 400Ω RESISTOR RES0402 Generic Resistor 1  
R275 49.9kΩ 0.1% RES0402 Generic Resistor 1  
R276 40kΩ 0.1% RES0402 Generic Resistor 1  
R281 1MΩ RESISTOR RES0805 Generic Resistor 1  
R283 4.32kΩ RESISTOR RES0402 Generic Resistor 1  
R284 7.68kΩ 1% RES0402 Generic Resistor 1  
R285, R289 10 RESISTOR RES0402 Generic Resistor 2  
R288 182kΩ RESISTOR RES0402 Generic Resistor 1  
R290 4.5kΩ RESISTOR RES0402 Generic Resistor 1  
R291 275kΩ RESISTOR RES0402 Generic Resistor 1  
R292 10mΩ/1W RCWE120610L0JNEA RES1206C Current Sense Resistor 1  
R4, R5, R8, R9, R12, R13, R16, R17, R20, R21, R24, R25, R28, R29, R32, R33, R36, R37, R39, R40, R41, R42, R45, R46 200Ω RESISTOR RES0402 Generic Resistor 24  
R44, R49, R50, R51, R52, R53, R54, R55, R59, R151, R152, R248, R282 390Ω RESISTOR RES0402 Generic Resistor 13  
R6, R7, R10, R11, R14, R15, R18, R19, R22, R23, R26, R27, R30, R31, R34, R35, R75, R76, R78, R91, R92, R144, R186, R187, R188 0 RESISTOR RES0402 Generic Resistor 25  
R77, R147, R194, R277 0Ω No Load RES0805 Generic Resistor 4  
R79, R108, R145, R185 0Ω No Load RES0402 Generic Resistor 4  
R80, R81, R126, R127, R153, R154, R155, R162, R163, R166, R167, R168, R169 100Ω RESISTOR RES0402 Generic Resistor 13  
R86, R88, R89, R90, R111, R115, R122, R208 2K RESISTOR RES0402 Generic Resistor 8  
R87 25kΩ RESISTOR RES0402 Generic Resistor 1  
R93, R109, R156 50Ω RESISTOR RES0402 Generic Resistor 3  
R94, R95 49.9kΩ RESISTOR RES0402 Generic Resistor 2  
R96, R97, R112, R119, R123, R150, R164, R268 1kΩ RESISTOR RES0402 Generic Resistor 8  
SW0, SW1, SW2, SW3, SW4, SW5, SW6, SW7   SWITCH SW-10SP001 SPDT, Thru Hole, Slide Switch 8  
SW8   SWITCH MS12ANW03 SPDT, Thru Hole, Slide Switch 1  
X1 25MHz 738B-25-93 FQ5 12 - 40MHz 20pF Crystal Oscillator 1 Fox Electronics

Board Images

Board Images

Board Images

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設計リソース


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使用製品

MAX15053
高効率、2A、電流モード、同期ステップダウンスイッチングレギュレータ

  • ディスクリートソリューションより設計が簡素化および小型化
  • 高性能によって幅広いPoL (ポイントオブロード)アプリケーションに最適
  • 軽負荷時および重負荷時の高効率によって消費電力と発熱を低減

MAX8686
フェーズ当り最大25Aを提供する、シングル/マルチフェーズ、ステップダウン、DC-DCコンバータ

  • 入力電源動作範囲：4.5V～20V
  • リファレンス電圧精度：1% (全温度範囲)
  • 出力トラッキングまたはシステムリファレンス電圧用のリファレンス入力(REFIN)

MAX15021
トラッキング/シーケンス機能付き、デュアル、4A/2A、4MHz、ステップダウンDC-DCレギュレータ

  • 集積化によってスペース制約のある設計の電源実装面積を削減
  • 高度なトラッキング/シーケンス機能によって信頼性の高いプロセッサ動作を実現
  • 高い柔軟性によって広範な設計で使用可能

MAX1510
低電圧DDRリニアレギュレータ

  • 電流制限(3A、typ)付きパワーMOSFET内蔵
  • 高速負荷過渡応答
  • リファレンス出力バッファ付き外部リファレンス入力

MAX6037A
SOT23パッケージ、シャットダウン付き、低電力、固定および可変リファレンス

  • 可変VOUT：1.184V～5V
  • 固定出力：1.25V、2.048V、2.5V、3.0V、3.3V、および4.096V
  • シャットダウン電流：500nA以下(max)

MAX1983
外部バイアス電源付き、低電圧、低ドロップアウトリニアレギュレータ

  • 低コスト、1.2V、300mA VID電源
  • 出力電圧精度：±3%
  • 最低負荷電流不要