EV4245-VE-00A

EV4245-VE-00A 36V, 6A Peak, Buck-Boost Converter with I2C Interface for Power Delivery DESCRIPTION FEATURES The EV4245-VE-00A is an evaluation board for MP4245, a Buck-Boost converter with 4 integrated power switches. The device can deliver up to 6A output current at certain inputsupply range with excellent load and line regulation.   The MP4245 is suitable for USB power delivery (USB PD) application. It can work well with external USB PD controller through I2C interface. The I2C interface and programmable) provide programmable features. MTP (2 times flexibility of        Fault condition protection includes CC current limiting, output OVP, and thermal shutdown (TSD). Support 60W Buck-Boost or 6A Peak Iout Wide 4V to 36V Operating Input-Voltage Range 1V to 21V Output-Voltage Range 250kHz, 350kHz and 420kHz Frequency Selectable or SYNC Input 11mΩ/22mΩ/12mΩ/12mΩ Low RDS_ON for Switch A/B/C/D Frequency Spread Spectrum Selectable Line Drop Compensation Accurate CC Output-Current Limit I2C Interface and 2 times programmable MTP (PMBus compatible): o PFM/PWM Mode, Current Limit, Output Voltage, Frequency Spread Spectrum, Line Drop Comp, etc. o CRC Check for MTP Integrity Load Shedding Alert EN Shutdown Active Discharge Available in a QFN21 (4mmx5mm) Package with Wettable Flanks The MP4245 requires a minimum number of readily available, standard, external components. The MP4245 is available in a QFN21 (4mmx5mm) package.    ELECTRICAL SPECIFICATION APPLICATIONS Parameter Input Voltage Output Voltage Output Current(1) Symbol VIN VOUT IOUT Value 4 - 36 5 3 Units V V A Notes: 1) Default output current limit is 3.6A.    USB Type-C with PD Charging Only Port 12V Bus Voltage Supply Wireless Charging All MPS parts are lead-free, halogen free, and adhere to the RoHS directive. For MPS green status, please visit MPS website under Quality Assurance. “MPS” and “The Future of Analog IC Technology” are Registered Trademarks of Monolithic Power Systems, Inc. EVALUATION BOARD Efficiency vs. Load Current Vout=5V, L=4.7μH, DCR=8mΩ, Fsw=420kHz 100 EFFICIENCY (%) 95 90 Vin=9V Vin=12V Vin=16V 85 80 75 (L x W x H) 5.5cm x 5.5cm x 1.8cm Board Number MPS IC Number EV4245-VE-00A MP4245GVE-0001 70 0 1 2 3 4 5 6 LOAD CURRENT (A) EV4245-VE-00A Rev. 1.0 www.MonolithicPower.com 6/14/2019 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved. 1 1 EV4245-VE-00A– 36V, 6A PEAK, BUCK-BOOST CONVERTER WITH I2C INTERFACE EVALUATION BOARD SCHEMATIC BST1 0 R13 VIN C1 CIA CIB CIC VIN R2 300K 100uF 10uF 10uF 0.1uF R3 NS GND VCC VCC R5 SW1 BST2 EN 20 SYNCI 19 NS ADD 9 EN SYNCI ADD SW2 OUT MP4245 R6 0 FREQ 17 0 FREQ GND 1uF ISENS- ALT 11 BST2 12 3 SW2 OUT 21 0 R14 10 R15 GND NS R4 C7 75K NS C2B 10uF 10uF C2 100uF/25V Hybrid 20mOhm Chemi-con VOUT C10 10uF GND2 GND R8 6.49K ISENS+ 5 GND ISENSE+ GND2 10 C8 47nF R12 R16 20m 10 NS GND EV4245-VE-00A Rev. 1.0 6/14/2019 0.1uF GATE ISENSE- SDA R17 0 220nF C2A 4 SCL C2C R1 C5 FB R11 10K GND HHXC250ARA101MF80G 1 OUT R10 AGND C9 1uF GATE VCC DRV SCL SDA ALT PGND C3 15 DRV18 SCL 7 SDA6 ALT8 SW1 C6 NS 2 NS FB GND VCC R9 L1 4.7uH 13 FREQ 16 R7 220nF 14 BST1 U1 1 GND www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved. 2 EV4245-VE-00A– 36V, 6A PEAK, BUCK-BOOST CONVERTER WITH I2C INTERFACE BILL OF MATERIALS Qty Ref Value Description Package 1 C1 100μF 100μF/35V SMD 2 CIA,CIB 10μF 2 C2A,C2B 10μF 1 C2 100μF 2 C4,C5 220nF 2 C3,C9 1μF 0 C6, C7 NS 1 C10 10μF 1 C8 47nF 2 C2C,CIC 100nF 1 R4 75K 1 R8 6K49 1 R12 0.02Ω 1 R2 300K 1 R11 10K 5 R1,R6,R7, R13, R14 0 2 R10,R16 10Ω 1 L1 4.7μH 0 2 4 2 1 R9,R3,R5, R15,R17 CN1,CN2 VIN,GND,G ND2,VOUT GND，EN U1 EV4245-VE-00A Rev. 1.0 6/14/2019 Ceramic Cap.,50V,X5R Ceramic Cap.,25V,X5R 25V, Hybrid,20mOhm Ceramic Cap.,16V,X7R Ceramic Cap.,16V,X6S Ceramic Cap.,25V,X5R Ceramic Cap.,25V,X7R Ceramic Cap.,50V,X7R Film Res,1%,0603,75K Film Res,1%,0603,6K49 Film Res,1%,1W,0.02R Film Res,1%,0603,300K Film Res,1%,0603,10K Film Res,1%,0603,0R Film Res,1%,0603,10R Inductor,RDC=8 mOhm,Isat=13A Manufacturer Manufacturer PN NIPPON EMZJ350ADA101MF80G CHEMI-CON 0805 TDK C2012X5R1H106K125AC 0805 TDK C2012X5R1E106K SMD Chemi-con 0603 WE 0603 Murata 0805 TDK C2012X5R1E106K 0603 WE 885012206069 0603 SAMSUNG 0603 YAGEO RC0603FR-0775KL 0603 YAGEO RC0603FR-076K49L 1503 Susumu RL3720WT-R020-F 0603 YAGEO RC0603FR-07300KL 0603 YAGEO RC0603FR-0710KL 0603 YAGEO RC0603FR-070RL 0603 YAGEO RC0603FR-0710RL SMD Superworld PIAQ1005S4R7MN NS 3PINS HHXC250ARA101MF80G 885012206048 GRM155C81C105KE11D CL05B104KB5NNNC WBZT52C16-7-F 3Pins,1 row,straight DIP φ2.0 φ2.0 copper pin DIP φ2.0 copper pin φ1.0 φ1.0 copper pin DIP φ1.0 copper pin MP4245 BUCK-BOOST GVECONVERTER 0001 QFN21 (4mm*5mm) WE MPS 61300311121 MP4245GVE-0001 www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved. 3 EV4245-VE-00A– 36V, 6A PEAK, BUCK-BOOST CONVERTER WITH I2C INTERFACE TYPICAL PERFORMANCE CHARACTERISTICS Performance waveforms are tested on the evaluation board. VIN = 12V, VOUT = 5V, L = 4.7µH, Forced PWM mode, TA = 25°C, unless otherwise noted. CC/CV Curve Bode Plot CC current limit=3.6A VOUT=5V, IOUT=3A, BW=26kHz, PM=68deg GAIN (dB) 4 3 2 1 0 0 2 4 LOAD CURRENT (A) 6 170 120 70 20 -30 -80 Gain Phase 1 Bode Plot 70 20 -30 -80 Gain Phase -130 Gain Phase 30 70 10 20 0 -10 -30 -20 -80 -30 -130 -40 -50 1 Efficiency vs. Load Current 100 95 95 EFFICIENCY (%) EFFICIENCY (%) 100 Vin=9V Vin=12V Vin=16V 85 80 10 100 FREQUENCY (KHz) 90 85 80 Vin=9V Vin=12V Vin=16V 75 75 -180 1000 Efficiency vs. Load current VOUT=9V, L=4.7μH, DCR=8mΩ, Fsw=420kHz Vout=5V, L=4.7μH, DCR=8mΩ, Fsw=420kHz 90 120 20 -180 1000 10 100 FREQUENCY (KHz) 170 40 GAIN(dB) 120 PHASE MARGIN (deg) GAIN (dB) VOUT=20V, IOUT=3A, BW=13kHz, PM=76deg 50 170 1 -180 1000 10 100 FREQUENCY (KHz) Bode Plot VOUT=12V, IOUT=3A, BW=19kHz, PM=71deg 50 40 30 20 10 0 -10 -20 -30 -40 -50 -130 PHASE MARGIN (deg) 5 50 40 30 20 10 0 -10 -20 -30 -40 -50 PHASE MARGIN (deg) OUTPUT VOLTAGE (V) 6 70 70 0 1 2 3 4 LOAD CURRENT (A) EV4245-VE-00A Rev. 1.0 6/14/2019 5 6 0 0.5 1 1.5 2 LOAD CURRENT (A) www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved. 2.5 3 4 EV4245-VE-00A– 36V, 6A PEAK, BUCK-BOOST CONVERTER WITH I2C INTERFACE TYPICAL PERFORMANCE CHARACTERISTICS 100 100 95 95 EFFICIENCY (%) EFFICIENCY (%) VIN = 12V, VOUT = 5V, L = 4.7µH, Forced PWM mode, TA = 25°C, unless otherwise noted. Efficiency vs. Load Current Efficiency vs. Load Current VOUT=15V, L=4.7μH, DCR=8mΩ, Fsw=420kHz VOUT=20V, L=4.7μH, DCR=8mΩ, Fsw=420kHz 90 85 Vin=9V Vin=12V Vin=16V 80 75 85 Vin=9V Vin=12V Vin=16V 80 75 70 70 0 0.5 1 1.5 2 LOAD CURRENT (A) 2.5 0 3 0.5 1 1.5 2 LOAD CURRENT (A) 2.5 3 Load Regulation vs. Load Current Thermal Rise VIN=12V, no line drop compensation VIN=12V, Fsw=420kHz, based on EV4245-VE00A 0.2 60 IC CASE TEMPERATURE RISE (℃) LOAD REGULATION (%) 90 0.1 0 Vo=5V Vo=9V Vo=15V Vo=20V -0.1 -0.2 0 0.5 EV4245-VE-00A Rev. 1.0 6/14/2019 1 1.5 2 LOAD CURRENT (A) 2.5 3 Vo=5V Vo=9V Vo=15V Vo=20V 40 20 0 0.5 1 1.5 2 2.5 3 LOAD CURRENT (A) www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved. 5 EV4245-VE-00A– 36V, 6A PEAK, BUCK-BOOST CONVERTER WITH I2C INTERFACE TYPICAL PERFORMANCE CHARACTERISTICS (continued) VIN = 12V, VOUT = 5V, L = 4.7µH, Forced PWM mode, TA = 25°C, unless otherwise noted. Output Ripple Output Ripple VIN=12V, VOUT=5V, IOUT=0A, PWM mode. CH1: VOUT/AC VIN=12V, VOUT=5V, IOUT=3A, PWM mode. CH1: 50mV/div VOUT/AC CH2: VSW1 10V/div. CH3: VSW2 10V/div. 50mV/div CH2: VSW1 10V/div. CH3: VSW2 10V/div. CH4: IL 5A/div. CH4: IL 5A/div. 2μs/div 2μs/div Output Ripple Output Ripple VIN=12V, VOUT=9V, IOUT=0A, PWM mode. CH1: VOUT/AC VIN=12V, VOUT=9V, IOUT=3A, PWM mode. CH1: VOUT/AC 50mV/div CH2: VSW1 10V/div. CH3: VSW2 10V/div. 50mV/div CH2: VSW1 10V/div. CH3: VSW2 10V/div. CH4: IL 5A/div. CH4: IL 5A/div. 2μs/div 2μs/div Output Ripple Output Ripple VIN=12V, VOUT=12V, IOUT=0A, PWM mode. VIN=12V, VOUT=12V, IOUT=3A, PWM mode. CH1: VOUT/AC CH1: VOUT/AC 50mV/div CH2: VSW1 10V/div. CH3: VSW2 10V/div. 100mV/div CH2: VSW1 10V/div CH3: VSW2 10V/div. CH4: IL 5A/div. CH4: IL 5A/div. 2μs/div EV4245-VE-00A Rev. 1.0 6/14/2019 2μs/div www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved. 6 EV4245-VE-00A– 36V, 6A PEAK, BUCK-BOOST CONVERTER WITH I2C INTERFACE TYPICAL PERFORMANCE CHARACTERISTICS (continued) VIN = 12V, VOUT = 5V, L = 4.7µH, Forced PWM mode, TA = 25°C, unless otherwise noted. Output Ripple Output Ripple VIN=12V, VOUT=20V, IOUT=3A, PWM mode. CH1: VOUT/AC VIN=12V, VOUT=20V, IOUT=0A, PWM mode. CH1: VOUT/AC 200mV/div CH2: VSW1 10V/div. 50mV/div CH2: VSW1 10V/div. CH3: VSW2 10V/div. CH3: VSW2 10V/div. CH4: IL 10A/div. CH4: IL 5A/div. 2μs/div 2μs/div I2C Operation On I2C Operation Off VIN=12V, VOUT=5V,IOUT=0A VIN=12V, VOUT=5V, IOUT=0A CH1: VOUT CH1: VOUT 5V/div CH2: VSW1 10V/div. 5V/div CH2: VSW1 10V/div. CH3: VIN 10V/div. CH3: VIN 10V/div. CH4: IOUT 5A/div. CH4: IOUT 5A/div. 2ms/div 10ms/div I2C Operation On I2C Operation Off VIN=12V, VOUT=5V,IOUT=3A VIN=12V, VOUT=5V, IOUT=3A CH1: VOUT CH1: VOUT 5V/div CH2: VSW1 10V/div. 5V/div CH2: VSW1 10V/div. CH3: VIN 10V/div. CH3: VIN 10V/div. CH4: IOUT 5A/div. CH4: IOUT 5A/div. 10ms/div. EV4245-VE-00A Rev. 1.0 6/14/2019 500μs/div www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved. 7 EV4245-VE-00A– 36V, 6A PEAK, BUCK-BOOST CONVERTER WITH I2C INTERFACE TYPICAL PERFORMANCE CHARACTERISTICS (continued) VIN = 12V, VOUT = 5V, L = 4.7µH, Forced PWM mode, TA = 25°C, unless otherwise noted. Output Voltage Transition Output Voltage Transition VIN=12V, VOUT=5V to 20V, IOUT=0A VIN=12V, VOUT=20V to 5V, IOUT=0A CH1: VOUT CH1: VOUT 10V/div CH2: VSW1 10V/div. CH3: VSW2 10V/div. 10V/div CH2: VSW1 10V/div. CH3: VSW2 10V/div. CH4: IOUT 10A/div. CH4: IOUT 5A/div. 10ms/div. 10ms/div. Output Voltage Transition Output Voltage Transition VIN=12V, VOUT=5V to 20V, IOUT=3A VIN=12V, VOUT=20V to 5V, IOUT=3A CH1: VOUT CH1: VOUT 10V/div CH2: VSW1 10V/div. 10V/div CH2: VSW1 10V/div. CH3: VSW2 10V/div. CH3: VSW2 10V/div. CH4: IOUT 5A/div. CH4: IOUT 10A/div. 10ms/div 10ms/div Short Circuit Protection Entry Short Circuit Protection Recovery VIN=12V, VOUT=5V, IOUT=3A, 500ms hiccup off time. VIN=12V, VOUT=5V, IOUT=3A, 500ms hiccup off time. CH1: VOUT CH1: VOUT 5V/div CH2: VSW1 10V/div. CH3: VSW2 10V/div. 5V/div CH2: VSW1 10V/div. CH3: VSW2 10V/div. CH4: IL 5A/div. CH4: IL 5A/div. 500ms/div EV4245-VE-00A Rev. 1.0 6/14/2019 500ms/div www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved. 8 EV4245-VE-00A– 36V, 6A PEAK, BUCK-BOOST CONVERTER WITH I2C INTERFACE TYPICAL PERFORMANCE CHARACTERISTICS (continued) VIN = 12V, VOUT = 5V, L = 4.7µH, Forced PWM mode, TA = 25°C, unless otherwise noted. Constant Current Limit Protection CRL Load OCP VIN=12V, VOUT=5V, CR Load=1Ω, output current limit=3A VIN=12V, VOUT=5V, CC current limit=3A, ramp up CRL load slowly. CH1: VOUT CH1: VOUT 5V/div CH2: VSW1 10V/div. 5V/div CH2: VSW1 10V/div. CH3: VSW2 10V/div. CH3: VSW2 10V/div. CH4: IOUT 5A/div. CH4: IOUT 5A/div. 500µs/div. 2s/div. OVP Recovery Load Transient VIN=12V, VOUT=5V, IOUT=0A, remove 7V from VOUT VIN=12V, VOUT=5V, IOUT=1.5A to 3A, no line drop compensation. CH1: VOUT CH1: VOUT 5V/div 200mV/div CH2: VSW1 10V/div. CH3: VSW2 5V/div. CH4: IOUT 1A/div. CH4: IL 5A/div 200ms/div. 100µs/div. OVP Entry VIN=12V, VOUT=5V, IOUT=0A, add 7V to VOUT CH1: VOUT 5V/div CH2: VSW1 10V/div. CH3: VSW2 5V/div. CH4: IL 5A/div. 50ms/div. EV4245-VE-00A Rev. 1.0 6/14/2019 www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved. 9 EV4245-VE-00A– 36V, 6A PEAK, BUCK-BOOST CONVERTER WITH I2C INTERFACE EVALUATION BOARD LAYOUT Figure 1—Top Silk Layer Figure 2—Top Layer Figure 3—Mid Layer 1 Figure 4— Mid Layer 2 Figure 5—Bottom Layer EV4245-VE-00A Rev. 1.0 6/14/2019 www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved. 10 EV4245-VE-00A– 36V, 6A PEAK, BUCK-BOOST CONVERTER WITH I2C INTERFACE QUICK START GUIDE 1. Preset the power supply output to 12V, and then turn off the power supply. 2. Connect the positive and negative terminals of the power supply output to the VIN and GND pins, respectively. 3. Turn the power supply on, the EV4245-VE-00A will startup automatically at VOUT=5V. 4. Output voltage can be adjusted by FB resistor, default FB reference voltage is 0.4V. 5. It can use I2C GUI to visit MP4245 register and adjust output voltage. Default I2C slave address is 61H. EV4245-VE-00A Rev. 1.0 www.MonolithicPower.com 6/14/2019 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved. 11 11 EV4245-VE-00A– 36V, 6A PEAK, BUCK-BOOST CONVERTER WITH I2C INTERFACE MTP-REGISTER VALUE SELECTED TABLE BY DEFAULT (MP4245-0001) OTP Items Description Default Value OPERATION MP4245 Default is On or OFF ON VOUT Voltage Output voltage 5V 1/(Vout Feedback Ratio) 0.08008 Enable Frequency Spread Spectrum or not Disable Current sense resistor value 20mΩ Enable/Disable Enable OCP off timer 500ms Enable/Disable Enable Auto PFM/PWM or Forced PWM Mode Forced PWM Mode Current Limit Output current limit 3.6A DRV Voltage Driver Pin output voltage(LDO output) 6V µA/A 0 Thermal Shutdown Protection Threshold 160°C Thermal Warning Threshold 120°C VOUT Scale Loop Dither Enable GND_SENSE_RESISTOR Output OVP EN Hiccup Timer Output Discharge EN PFM/PWM Mode Line Drop Compensation Gain OTP Threshold OTP Warning Threshold VOUT MASK NOT MASK IOUT/POUT MASK NOT MASK INPUT MASK Temperature MASK PG_STATUS MASK MASK Mask the ALT pin indication or not mask NOT MASK NOT MASK PG_ALT_EDGE MASK NOT MASK Other MASK NOT MASK Unknown Mask MTP Configuration code MTP Revision Number NOT MASK MTP Configuration Code (defined by MPS) MTP software revision number (defined by MPS) 0x01 0x00 NOTICE: The information in this document is subject to change without notice. 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. EV4245-VE-00A Rev. 1.0 www.MonolithicPower.com 6/14/2019 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved. 12 12