EVQ4573-QB-00A

EVQ4573-QB-00A 60V, 2.5A, High-Efficiency, Synchronous Buck Converter Evaluation Board, AEC-Q100 DESCRIPTION FEATURES The EVQ4573-QB-00A is an evaluation board designed to demonstrate the capabilities of the MPQ4573-AEC1, a fully integrated, fixedfrequency, synchronous step-down converter. It can achieve up to 2.5A of continuous output current (IOUT) with peak current control for excellent transient response.  Advanced asynchronous modulation (AAM) mode achieves high efficiency under light-load conditions by scaling down the frequency to reduce switching and gate driver losses. The EVQ4573-QB-00A is a fully assembled and tested evaluation board that generates up to 5V of output voltage (VOUT) and up to 2.5A of load current across a wide 5V to 60V input voltage range. The MPQ4573-AEC1 is available in a QFN-12 (2.5mmx3mm) package. ELECTRICAL SPECIFICATIONS Parameter Input voltage Output voltage Output current Symbol VEMI VOUT IOUT Value 5 to 60 5 2.5 Units V V A                Wide 5V to 60V Operating Input Range 2.5A Continuous Output Current (IOUT) High-Efficiency, Synchronous Mode Control 250mΩ/45mΩ Internal Power MOSFETs Up to 2.2MHz Configurable Switching Frequency (fSW) 180° Out-of-Phase SYNCO Clock 40μA Quiescent Current (IQ) Low 2μA Shutdown Current Selectable Advanced Asynchronous Modulation (AAM) Mode or Forced Continuous Conduction Mode (FCCM) during Light-Load Operation 0.45ms Internal Soft Start (SS) Remote Enable (EN) Control Power Good (PG) Indicator Low-Dropout (LDO) Mode Over-Current Protection (OCP) Thermal Shutdown Available in a QFN-12 (2.5mmx3mm) Package Available in AEC-Q100 Grade 1 APPLICATIONS   Automotive Systems Industrial Power Systems All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive. For MPS green status, please visit the MPS website under Quality Assurance. “MPS”, the MPS logo, and “Simple, Easy Solutions” are trademarks of Monolithic Power Systems, Inc. or its subsidiaries. EVQ4573-QB-00A Rev. 1.0 MonolithicPower.com 5/25/2021 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2021 MPS. All Rights Reserved. 1 EVQ4573-QB-00A – 60V, 2.5A, SYNC BUCK CONVERTER EVAL BOARD, AEC-Q100 EVQ4573-QB-00A EVALUATION BOARD Efficiency vs. Load Current VOUT = 5V, fSW = 400kHz, L = 15μH, AAM mode 100 90 EFFICIENCY (%) 80 70 60 50 Vin=8V Vin=12V Vin=24V Vin=36V Vin=48V Vin=60V 40 30 20 10 0 1 10 100 1000 2500 LOAD CURRENT (mA) LxWxH (8.9cmx8.9cmx1.3cm) Board Number MPS IC Number EVQ4573-QB-00A MPQ4573GQBE-AEC1 EVQ4573-QB-00A Rev. 1.0 MonolithicPower.com 5/25/2021 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2021 MPS. All Rights Reserved. 2 EVQ4573-QB-00A – 60V, 2.5A, SYNC BUCK CONVERTER EVAL BOARD, AEC-Q100 QUICK START GUIDE 1. Preset the power supply between 5V and 60V. Be aware that electronic loads represent a negative impedance to the converter, which can trigger hiccup mode if the current exceeds 3.9A. 2. Turn off the power supply. If longer cables (>0.5m total) are being used between the source and the evaluation board, install a damping capacitor at the input terminals. This is critical when VIN exceeds 24V. 3. Connect the power supply terminals to: a. Positive (+): VEMI b. Negative (-): GND 4. Connect the load terminals to: a. Positive (+): VOUT b. Negative (-): GND 5. After making the connections, turn on the power supply. The board should start up automatically. 6. To use the enable (EN) function, apply a digital input to the EN pin. Drive EN above 1.45V to turn the converter on; drive EN below 1.12V to turn it off. 7. An external frequency resistor (RFREQ) sets the switching frequency (fSW). RFREQ can be estimated with Equation (1): R FREQ (MΩ)  30 fSW (kHz) (1) A bench test may be required to fine-tune the calculated resistance. 8. An external feedback resistor divider (R6 + R4) sets the output voltage (VOUT). R6 + R4 also sets the loop bandwidth via an internal compensation capacitor. Choose R4 to be about 40kΩ. Then R5 can be calculated with Equation (2): R5  R4 (2) VOUT 1 0.8 Figure 1 shows the feedback resistor network. MPQ4573 FB 5 R6 R4 VOUT R5 Figure 1: Feedback Resistor Network EVQ4573-QB-00A Rev. 1.0 MonolithicPower.com 5/25/2021 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2021 MPS. All Rights Reserved. 3 EVQ4573-QB-00A – 60V, 2.5A, SYNC BUCK CONVERTER EVAL BOARD, AEC-Q100 Table 1 lists the recommended feedback resistor values for common output voltages. Table 1: Recommended Resistor Values VOUT (V) 3.3 8 5 12 R4 (kΩ) 41.2 (1%) 41.2 (1%) 41.2 (1%) 41.2 (1%) R5 (kΩ) 13 (1%) 4.53 (1%) 7.68 (1%) 2.94 (1%) R6 (kΩ) 20 (1%) 20 (1%) 20 (1%) 20 (1%) 9. Jumper points JP3 and JP4 can added for external shielding above the inductor and IC. JP3 and JP4 are not stuffed by default. EVQ4573-QB-00A Rev. 1.0 MonolithicPower.com 5/25/2021 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2021 MPS. All Rights Reserved. 4 EVQ4573-QB-00A – 60V, 2.5A, SYNC BUCK CONVERTER EVAL BOARD, AEC-Q100 EVALUATION BOARD SCHEMATIC L1 240nH 5V to 60V L2 4.7µH CIN9 is for sampling the C and L inputs VIN VEMI GND CIN1 CIN2 CIN3 CIN4 CIN5 CIN6 1nF 10nF 1nF 10nF 1µF 1µF 0603 0603 0603 0603 0805 0805 CIN7 10µF 1210 CIN8 10µF 1210 CIN9 22µF C1A C1B C1C C1D 10µF 10µF 0.1µF 0.1µF 1210 1210 0603 0603 VOUT (V) R4 (kΩ) R5 (kΩ) R6 (kΩ) 3.3 41.2 (1%) 13 (1%) 20 (1%) R8 5 41.2 (1%) 7.68 (1%) 20 (1%) 0Ω 8 41.2 (1%) 4.53 (1%) 20 (1%) 12 41.2 (1%) 2.94 (1%) 20 (1%) Input EMI Filter R8 for EMC VIN 8 R23 10Ω C12 EN 0.1µF/ 100V VIN SW 0603 12 4 U1 PG R6 20kΩ R5 7.68kΩ MPQ4573 3 PG is high if VFB is within ±10% of VREF FB EN R2 NS L3 15µH 5 FREQ 4.9V fSW = 400kHz 6 R3 10Ω FREQ R11 76.8kΩ C6 NS CCM/SYNCO R10 100kΩ GND C2B 22µF C2C 1nF C2D 10nF 7 JP1 1 2 JP2 R11 fSW 76.8kΩ 400kHz 28kΩ 1MHz 12.1kΩ 2.2MHz GND R16 0Ω VOUT R17 0Ω R18 0Ω C10 R20 0.1µF 10Ω C11 R21 0.1µF 10Ω R19 0Ω VCC 8 R13 1kΩ TRIG 2 C8 6.8nF FREQ C2F 10nF R15 0Ω NS 1 GND C2E 1nF VOUT 41.2kΩ CCM/ 11 SYNCO VCC C2A 22µF 5V/2.5A R4 R7 10Ω R9 100kΩ C3 1µF VOUT C5 NS R1 100kΩ D1 BZT52C5V6S PG 1 BST C4 0.1µF 2 R14 C9 NS 1µF TRIG U2 DIS 7 ICM7555IBAZ 3 OUT THRS RST CV 6 R12 11kΩ TRIG 4 5 External Frequency Spread Spectrum Circuit Option for Lower EMI, NS by Default C7 100nF Figure 2: Evaluation Board Schematic EVQ4573-QB-00A Rev. 1.0 MonolithicPower.com 5/25/2021 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2021 MPS. All Rights Reserved. 5 EVQ4573-QB-00A – 60V, 2.5A, SYNC BUCK CONVERTER EVAL BOARD, AEC-Q100 EVQ4573-QB-00A BILL OF MATERIALS Qty Designator CIN1, C1N3, C2C, C2E CIN2, CIN4, C2D, C2F Value 2 CIN5, CIN6 1μF 4 CIN7, CIN8, C1A, C1B 10μF 1 CIN9 22μF 3 C1C, C1D, C12 0.1μF 2 C2A, C2B 22μF 2 C3, C9 1μF 2 C4, C7 0.1μF 1 C8 6.8nF 2 C10, C11 0.1μF 2 1 1 1 3 3 3 1 1 1 1 1 1 1 NS 240nH 4.7μH 15μH 100kΩ NS 10Ω 41.2kΩ 7.68kΩ 20kΩ 0Ω 76.8kΩ 11kΩ 1kΩ Inductor, 19mΩ, 6.6A Inductor, 83mΩ, 3.6A Inductor, 40mΩ, 5.8A Film resistor, 1% SMD SMD SMD 0603 Toko Toko Coilcraft Yageo DFE201612E-R24M FDSD0402-H-4R7M XAL6060-153MEB RC0603FR-07100KL Film resistor, 1% Film resistor, 1% Film resistor, 1% Film resistor, 1% Film resistor, 1% Film resistor, 1% Film resistor, 1% Film resistor, 1% 0603 0603 0603 0603 0603 0603 0603 0603 Yageo Yageo Yageo Yageo Yageo Yageo Yageo Yageo RC0603FR-0710RL RC0603FR-0741K2L RC0603FR-077K68L RC0603FR-0720KL RC0603FR-070RL RC0603FR-0776K8L RC0603FR-0711KL RC0603FR-071KL 0Ω Film resistor, 1% 0402 Yageo RC0402FR-070RL 2 1 C5, C6 L1 L2 L3 R1, R9, R10 R2, JP2, R14 R3, R7, R23 R4 R5 R6 R8 R11 R12 R13 R15, R16, R17, R18, R19 R20, R21 D1 10Ω 5.6V Film resistor, 1% Zener diode 0402 SOD323 RC0402FR-0710RL BZT52C5V6WS 1 U2 1MHz Single timer/oscillator IC SOIC-8 1 2.54mm 2 JP1 VEMI, GND, GND, VOUT CCM/SYNCO, PG, GND, EN, GND JP3, JP4 1 U1 4 4 5 4 5 1nF 10nF Description Package Manufacturer Manufacturer PN Ceramic capacitor, 100V, 0603 Murata GRM188R72A102KA01D X7R Ceramic capacitor, 100V, 0603 Murata GRM188R72A103KA01D X7R Ceramic capacitor, 100V, 0805 Murata GRM21BC72A105KE01L X7S Ceramic capacitor, 100V, 1210 Murata GRM32EC72A106KE05L X7S Electrical capacitor, 80V, SMD Panasonic EEHZC1K220P SMD Ceramic capacitor, 100V, 0603 Murata GRM188R72A104KA35D X7R Ceramic capacitor, 25V, 1210 Murata GRM32ER71E226KE15L X7R Ceramic capacitor, 25V, 0603 Murata GRM188R71E105KA12D X7R Ceramic capacitor, 16V, 0603 Murata GRM188R71C104KA01D X7R Ceramic capacitor, 50V, 0603 TDK C1608X7R1H682K X7R Ceramic capacitor, 16V, 0402 Murata GRM155R71C104KA88D X7R Test pin DIP Yageo Diodes, Inc. Intersil (Renesas) Custom 2mm 2 golden pins DIP Custom 1mm 1 golden pin DIP Custom MPQ4573- Synchronous, step-down AEC1 converter, 60V, 2.5A QFN-12 (2.5mmx 3mm) MPS ICM7555IBAZ NS MPQ4573GQBE-AEC1 EVQ4573-QB-00A Rev. 1.0 MonolithicPower.com 5/25/2021 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2021 MPS. All Rights Reserved. 6 EVQ4573-QB-00A – 60V, 2.5A, SYNC BUCK CONVERTER EVAL BOARD, AEC-Q100 EVB TEST RESULTS Efficiency vs. Load Current Power Loss vs. Load Current fSW = 400kHz, L = 15μH (1), AAM mode fSW = 400kHz, L = 15μH (1), AAM mode 100 2.25 90 2.00 80 1.75 70 60 50 Vin=8V Vin=12V Vin=24V Vin=36V Vin=48V Vin=60V 40 30 20 10 POWER LOSS (W) EFFICIENCY (%) Performance curves and waveforms are tested on the evaluation board. VIN = 24V, VOUT = 5V, L = 15µH, fSW = 400kHz, TA = 25°C, unless otherwise noted. Vin=8V Vin=12V Vin=24V Vin=36V Vin=48V Vin=60V 1.50 1.25 1.00 0.75 0.50 0.25 0.00 0 1 10 1000 2500 100 0 500 LOAD CURRENT (mA) 2.25 80 2.00 70 1.75 60 50 Vin=8V Vin=12V Vin=24V Vin=36V Vin=48V Vin=60V 0 1 10 POWER LOSS (W) EFFICIENCY (%) 2.50 90 10 Vin=8V Vin=12V Vin=24V Vin=36V Vin=48V Vin=60V 1.50 1.25 1.00 0.75 0.50 0.25 0.00 0 1000 2500 100 LOAD CURRENT (mA) 2.7 80 2.4 70 2.1 60 Vin=8V Vin=12V Vin=24V Vin=36V Vin=48V Vin=60V 10 0 1 10 100 LOAD CURRENT (mA) 1000 2500 POWER LOSS (W) EFFICIENCY (%) 3.0 90 20 1500 2000 2500 fSW = 1MHz, L = 10μH (2), AAM mode 100 30 1000 Power Loss vs. Load Current Efficiency vs. Load Current 40 500 LOAD CURRENT (mA) fSW = 1MHz, L = 10μH (2), AAM mode 50 2500 fSW = 400kHz, L = 15μH (1), FCCM 100 20 2000 Power Loss vs. Load Current fSW = 400kHz, L = 15μH (1), FCCM 30 1500 LOAD CURRENT (mA) Efficiency vs. Load Current 40 1000 Vin=8V Vin=12V Vin=24V Vin=36V Vin=48V Vin=60V 1.8 1.5 1.2 0.9 0.6 0.3 0.0 0 500 1000 1500 2000 2500 LOAD CURRENT (mA) EVQ4573-QB-00A Rev. 1.0 MonolithicPower.com 5/25/2021 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2021 MPS. All Rights Reserved. 7 EVQ4573-QB-00A – 60V, 2.5A, SYNC BUCK CONVERTER EVAL BOARD, AEC-Q100 EVB TEST RESULTS (continued) Performance curves and waveforms are tested on the evaluation board. VIN = 24V, VOUT = 5V, L = 15µH, fSW = 400kHz, TA = 25°C, unless otherwise noted. Power Loss vs. Load Current Efficiency vs. Load Current fSW = 1MHz, L = 10μH (2), FCCM 100 70 60 2.4 50 40 30 20 10 0 1 10 Vin=8V Vin=12V Vin=24V Vin=36V Vin=48V Vin=60V 2.7 POWER LOSS (W) 80 EFFICIENCY (%) 3.0 Vin=8V Vin=12V Vin=24V Vin=36V Vin=48V Vin=60V 90 fSW = 1MHz, L = 10μH (2), FCCM 100 2.1 1.8 1.5 1.2 0.9 0.6 0.3 0.0 1000 2500 0 LOAD CURRENT (mA) 2.7 80 2.4 70 2.1 60 Vin=8V Vin=12V Vin=24V Vin=36V Vin=48V Vin=60V 10 0 1 10 100 POWER LOSS (W) EFFICIENCY (%) 3.0 90 20 1.8 1.5 1.2 0.9 0.6 0.3 0.0 1000 2500 0 500 50 40 30 20 2.4 2.1 1.8 1.5 1.2 0.9 0.6 0.3 10 0 2500 Vin=8V Vin=12V Vin=24V Vin=36V Vin=48V Vin=60V 2.7 POWER LOSS (W) EFFICIENCY (%) 60 2000 fSW = 2.2MHz, L = 4.7μH (3), FCCM 3.0 Vin=8V Vin=12V Vin=24V Vin=36V Vin=48V Vin=60V 70 1500 Power Loss vs. Load Current fSW = 2.2MHz, L = 4.7μH (3), FCCM 80 1000 LOAD CURRENT (mA) Efficiency vs. Load Current 90 2500 Vin=8V Vin=12V Vin=24V Vin=36V Vin=48V Vin=60V LOAD CURRENT (mA) 100 2000 fSW = 2.2MHz, L = 4.7μH (3), AAM mode 100 30 1500 Power Loss vs. Load Current Efficiency vs. Load Current 40 1000 LOAD CURRENT (mA) fSW = 2.2MHz, L = 4.7μH (3), AAM mode 50 500 0.0 1 10 100 1000 2500 LOAD CURRENT (mA) 0 500 1000 1500 2000 2500 LOAD CURRENT (mA) Notes: 1) Inductor part number: XAL6060-153MEB/C; DCR = 43.75mΩ. 2) Inductor part number: XAL6060-103MEB/C; DCR = 29.82mΩ. 3) Inductor part number: XAL5030-472MEB/C; DCR = 36mΩ. EVQ4573-QB-00A Rev. 1.0 MonolithicPower.com 5/25/2021 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2021 MPS. All Rights Reserved. 8 EVQ4573-QB-00A – 60V, 2.5A, SYNC BUCK CONVERTER EVAL BOARD, AEC-Q100 EVB TEST RESULTS (continued) Performance curves and waveforms are tested on the evaluation board. VIN = 24V, VOUT = 5V, L = 15µH, fSW = 400kHz, TA = 25°C, unless otherwise noted. Start-Up through VIN Start-Up through VIN IOUT = 0A, AAM mode IOUT = 0A, FCCM CH3: VIN CH3: VIN CH2: VOUT CH2: VOUT CH1: VSW CH1: VSW CH4: IL CH4: IL Start-Up through VIN Shutdown through VIN IOUT = 2.5A IOUT = 0A, AAM mode CH3: VIN CH3: VIN CH2: VOUT CH2: VOUT CH1: VSW CH1: VSW CH4: IL CH4: IL Shutdown through VIN Shutdown through VIN IOUT = 0A, FCCM IOUT = 2.5A CH3: VIN CH3: VIN CH2: VOUT CH2: VOUT CH1: VSW CH1: VSW CH4: IL CH4: IL EVQ4573-QB-00A Rev. 1.0 MonolithicPower.com 5/25/2021 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2021 MPS. All Rights Reserved. 9 EVQ4573-QB-00A – 60V, 2.5A, SYNC BUCK CONVERTER EVAL BOARD, AEC-Q100 EVB TEST RESULTS (continued) Performance curves and waveforms are tested on the evaluation board. VIN = 24V, VOUT = 5V, L = 15µH, fSW = 400kHz, TA = 25°C, unless otherwise noted. Start-Up through EN Start-Up through EN IOUT = 0A, AAM mode IOUT = 0A, FCCM CH3: VEN CH3: VEN CH2: VOUT CH2: VOUT CH1: VSW CH1: VSW CH4: IL CH4: IL Start-Up through EN Shutdown through EN IOUT = 2.5A IOUT = 0A, AAM mode CH3: VEN CH3: VEN CH2: VOUT CH1: VSW CH2: VOUT CH1: VSW CH4: IL CH4: IL CH3: VEN CH2: VOUT CH1: VSW CH4: IL Shutdown through EN Shutdown through EN IOUT = 0A, FCCM IOUT = 2.5A CH3: VEN CH2: VOUT CH1: VSW CH4: IL EVQ4573-QB-00A Rev. 1.0 MonolithicPower.com 5/25/2021 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2021 MPS. All Rights Reserved. 10 EVQ4573-QB-00A – 60V, 2.5A, SYNC BUCK CONVERTER EVAL BOARD, AEC-Q100 EVB TEST RESULTS (continued) Performance curves and waveforms are tested on the evaluation board. VIN = 24V, VOUT = 5V, L = 15µH, fSW = 400kHz, TA = 25°C, unless otherwise noted. Output Ripple Output Ripple IOUT = 0A, AAM mode IOUT = 0A, FCCM CH2: VOUT/AC CH2: VOUT/AC CH4: IL CH4: IL CH1: VSW CH1: VSW Output Ripple SCP Entry IOUT = 2.5A IOUT = 0A, AAM mode CH2: VOUT/AC CH3: VPG CH2: VOUT CH4: IL CH1: VSW CH1: VSW CH4: IL SCP Entry SCP Entry IOUT = 0A, FCCM IOUT = 2.5A CH3: VPG CH3: VPG CH2: VOUT CH2: VOUT CH1: VSW CH1: VSW CH4: IL CH4: IL EVQ4573-QB-00A Rev. 1.0 MonolithicPower.com 5/25/2021 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2021 MPS. All Rights Reserved. 11 EVQ4573-QB-00A – 60V, 2.5A, SYNC BUCK CONVERTER EVAL BOARD, AEC-Q100 EVB TEST RESULTS (continued) Performance curves and waveforms are tested on the evaluation board. VIN = 24V, VOUT = 5V, L = 15µH, fSW = 400kHz, TA = 25°C, unless otherwise noted. SCP Recovery SCP Recovery IOUT = 0A, AAM mode IOUT = 0A, FCCM CH3: VPG CH3: VPG CH2: VOUT CH2: VOUT CH1: VSW CH1: VSW CH4: IL CH4: IL SCP Recovery SCP Steady State IOUT = 2.5A CH3: VPG CH3: VPG CH2: VOUT CH2: VOUT CH1: VSW CH1: VSW CH4: IL CH4: IL Load Transient Load Transient IOUT = 0A to 1.5A, AAM mode IOUT = 1A to 2.5A, AAM mode CH2: VOUT/AC CH2: VOUT/AC CH4: IOUT CH4: IOUT EVQ4573-QB-00A Rev. 1.0 MonolithicPower.com 5/25/2021 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2021 MPS. All Rights Reserved. 12 EVQ4573-QB-00A – 60V, 2.5A, SYNC BUCK CONVERTER EVAL BOARD, AEC-Q100 EVB TEST RESULTS (continued) Performance curves and waveforms are tested on the evaluation board. VIN = 24V, VOUT = 5V, L = 15µH, fSW = 400kHz, TA = 25°C, unless otherwise noted. Cold Crank Cold Crank VIN = 24V to 6V to 10V, IOUT = 0A VIN = 24V to 6V to 10V, IOUT = 2.5A CH3: VIN CH3: VIN CH1: VSW CH1: VSW CH2: VOUT CH2: VOUT CH4: IL CH4: IL VIN Ramps Down and Up VIN Ramps Down and Up VIN = 18V to 4.5V to 0V to 4.5V to 18V, IOUT = 0A VIN = 18V to 4.5V to 0V to 4.5V to 18V, IOUT = 2.5A CH3: VIN CH3: VIN CH1: VSW CH1: VSW CH2: VOUT CH2: VOUT CH4: IL CH4: IL Load Dump VIN = 24V to 58V to 24V, IOUT = 2.5A CH3: VIN CH1: VSW CH2: VOUT CH4: IL EVQ4573-QB-00A Rev. 1.0 MonolithicPower.com 5/25/2021 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2021 MPS. All Rights Reserved. 13 EVQ4573-QB-00A – 60V, 2.5A, SYNC BUCK CONVERTER EVAL BOARD, AEC-Q100 PCB LAYOUT Figure 3: Top Silk and Top Layer Figure 4: Mid-Layer 1 Figure 5: Mid-Layer 2 Figure 6: Bottom Layer and Bottom Silk EVQ4573-QB-00A Rev. 1.0 MonolithicPower.com 5/25/2021 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2021 MPS. All Rights Reserved. 14 EVQ4573-QB-00A – 60V, 2.5A, SYNC BUCK CONVERTER EVAL BOARD, AEC-Q100 REVISION HISTORY Revision # 1.0 Revision Date 5/25/2021 Description Initial Release Pages Updated - Notice: The information in this document is subject to change without notice. Please contact MPS for current specifications. Users should warrant and guarantee that third-party Intellectual Property rights are not infringed upon when integrating MPS products into any application. MPS will not assume any legal responsibility for any said applications. EVQ4573-QB-00A Rev. 1.0 MonolithicPower.com 5/25/2021 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2021 MPS. All Rights Reserved. 15