MAX20303 Evaluation Kit General Description The MAX20303 evaluation kit (EV kit) is a fully assembled and tested circuit for evaluating the MAX20303 wearable charge-management solution with I2C compatibility for feature-rich, low-power wearable applications. The device includes a linear battery charger, smart power selector, two ultra-low quiescent current buck regulators, a buckboost regulator, a boost regulator, a charge pump, two low-dropout (LDO) linear regulators, three LED current sinks, five GPIO pins, and an LRA/ERM compatible haptic driver with internal pattern storage. Evaluates: MAX20303 Detailed Description of Hardware The MAX20303 EV kit evaluates the MAX20303 wearable charge-management solution. The default settings of the EV kit differ from other versions of the IC to allow for flexible evaluation. Refer to Tables 1 through Table 3 for descriptions of the default settings and the readback values of the direct registers and AP registers on reset. Refer to the MAX20303 IC data sheet for detailed information regarding the operation and features of the device. Features ●● RoHS Compliant ●● Proven PCB Layout ●● Fully Assembled and Tested ●● I2C Serial Interface 319-100070; Rev 0; 9/17 Ordering Information appears at end of data sheet. MAX20303 Evaluation Kit Evaluates: MAX20303 Table 1. Register Bit Default Values REGISTER BITS DEFAULT VALUE REGISTER BITS DEFAULT VALUE PFN2PUD_CFG Hi-Z Buck2En Disabled PFN1PUD_CFG Hi-Z Buck1En Disabled WriteProtect Disabled LDO1Md LDO ILimBlank Disabled LDO1En Disabled ILimCntl 500mA LDO2Md LDO MtChgTmr 60min LDO2En Disabled FChgTmr 600min PassDiscEna Enabled PChgTmr 240min LDO2VSet TShdnTmo 10s ChgAutoRe Auto-Restart StayOn SFOUTVSet 3.0V Enabled 3.3V VPChg 3.15V LDO1VSet 1V IPChg 5% IFCHG SysMinVlt 3.6V ChgDone 30% IFCHG SFOUTEn CHGIN ChgEn Enabled CPVSet ChgAutoStp Enabled CPEn Disabled BatReChg 50mV CPSeq CPEn After 100% BatReg 4.20V PwrRstCfg 0b0110 ColdLim 1129.41mV Buck2Seq Buck2En After 100% HotLim 35.29mV Buck1Seq Buck1En After 100% BstISet 200mA BBstEn BstIAdptEn Enabled LDO2Seq LDO2En After 100% BstFastStrt 100ms LDO1Seq LDO1En After 100% BstFetScale Disabled BstVSet Buck1FetScale Buck2FetScale ThmEn 6.6V Disabled Enabled 12V BBstVset 4V Disabled BBstISet 100mA Disabled BatOcThr BoostEn After 100% BstEn Disabled BBstInd 4.7µH Buck1VSet[5:0] 1.2V BBstSeq BBstEn After 100% Buck1IZCSet 20mA EmfEn Buck2VSet 1.8V HptSel LRA Buck2IZCSet 30mA AlcMod Enabled Buck2ISet 150mA HptSysUVLO Buck1ISet 150mA HptDrvTmo Disabled 120ms ILimMax 1000mA BootDly Buck2SftStrt 50ms Soft-Start Buck1SftStrt 50ms Soft-Start www.maximintegrated.com BBstRipRed 1000mA BstSeq TCHGIN_SHDN Lower Ripple Enabled 3V 120°C Maxim Integrated │ 2 MAX20303 Evaluation Kit Evaluates: MAX20303 Table 2. I2C Direct Register Default Values REGISTER DEFAULT VALUE REGISTER 0x00 HardwareID NAME 0x02 0x1C APDataIn3 NAME DEFAULT VALUE 0x00 0x01 FirmwareID 0x02 0x1D APDataIn4 0x00 0x0B SystemError 0x00 0x1E APDataIn5 0x00 0x0C IntMask0 0x00 0x20 LDODirect 0x00 0x0D IntMask1 0x00 0x21 MPCDirectWrite 0x00 0x0E IntMask2 0x40 0x28 HptRAMAddr 0x00 0x0F APDataOut0 0x00 0x29 HptRAMDataH 0x4A 0x10 APDataOut1 0x00 0x2A HptRAMDataM 0x74 0x11 APDataOut2 0x00 0x2B HptRAMDataL 0x63 0x12 APDataOut3 0x00 0x2C LEDStepDirect 0x00 0x13 APDataOut4 0x00 0x2D LED0Direct 0x00 0x14 APDataOut5 0x00 0x2E LED1Direct 0x00 0x15 APDataOut6 0x00 0x2F LED2Direct 0x00 0x17 APCmdOut 0x00 0x30 HptDirect0 0x04 0x18 APResponse 0x00 0x31 HptDirect1 0x00 0x19 APDataIn0 0x00 0x32 HptRTI2Camp 0x00 0x1A APDataIn1 0x00 0x33 HptPatRAMAddr 0x00 0x1B APDataIn2 0x00 See Table 3 through Table 7 for pin descriptions of the three connectors J1-J5. Table 3. Read Opcode Default Values REGISTER DEFAULT VALUE APDataIn0 APDataIn1 APDataIn2 0x00 APDataIn3 0x00 APDataIn4 0x00 APDataIn0 0x00 APDataIn0 0x00 APDataIn1 0x00 APDataIn2 0x00 APDataIn3 0x00 APDataIn4 0x00 InputCurrent_Config_ Read (0x11) APDataIn0 0x06 ThermalShutdown_ Config_Read (0x12) APDataIn0 0x03 OPCODE GPIO_Config_Read (0x02) GPIO_Control_Read (0x04) MPC_Config_Read (0x07) www.maximintegrated.com REGISTER DEFAULT VALUE 0x00 APDataIn0 0x3F 0x00 APDataIn1 0x73 APDataIn2 0xC3 APDataIn3 0x00 APDataIn0 0xA0 APDataIn1 0xA0 APDataIn2 0x05 APDataIn3 0x05 APDataIn0 0x00 APDataIn1 0x00 APDataIn2 0x1F APDataIn3 0x00 APDataIn4 0x00 APDataIn0 0x03 OPCODE Charger_Config_Read (0x15) ChargerThermalLimits_ Config_Read (0x17) ChargerThermalReg_ ConfigRead (0x19) Charger_Control_Read (0x1B) Maxim Integrated │ 3 MAX20303 Evaluation Kit Evaluates: MAX20303 Table 3. Read Opcode Default Values (continued) REGISTER DEFAULT VALUE APDataIn0 0x06 APDataIn0 0x00 APDataIn1 0x04 APDataIn2 0x04 APDataIn3 0x1C APDataIn4 0x07 APDataIn0 0x04 APDataIn1 0x90 APDataIn2 0x16 APDataIn3 0x00 APDataIn4 0x07 APDataIn0 0x00 APDataIn1 0x80 APDataIn2 0x00 APDataIn3 0x00 APDataIn4 0x07 APDataIn0 0x00 APDataIn1 0x14 APDataIn2 0x07 APDataIn0 0x00 APDataIn1 0x15 APDataIn2 0x07 APDataIn0 0x00 APDataIn1 0x00 APDataIn2 0x07 SFOUT_Config_Read (0x49) APDataIn0 0x05 MONMux_Config_Read (0x51) APDataIn0 0x00 OPCODE Charger_JEITAHyst_ ControlRead (0x1D) Bst_Config_Read (0x31) Buck1_Config_Read (0x36) Buck2_Config_Read (0x3B) LDO1_Config_Read (0x41) LDO2_Config_Read (0x43) ChargePump_Config_ Read (0x47) www.maximintegrated.com OPCODE BBst_Config_Read (0x71) Hpt_Config_Read0 (0xA1) Hpt_Config_Read1 (0xA3) REGISTER DEFAULT VALUE APDataIn0 0x00 APDataIn1 0x02 APDataIn2 0x0F APDataIn3 0x50 APDataIn4 0x07 APDataIn0 0x0E APDataIn1 0xD0 APDataIn2 0x17 APDataIn3 0x03 APDataIn4 0x05 APDataIn5 0x01 APDataIn0 0x01 APDataIn1 0x00 APDataIn2 0x02 APDataIn3 0x8B APDataIn4 0x7F APDataIn5 0x04 APDataIn0 0x4C APDataIn1 0x32 APDataIn2 0xFF APDataIn3 0x04 APDataIn4 0x24 APDataIn5 0x06 Hpt_SYS_Threshold_ Config_Read (0xA7) APDataIn0 0x8B Hpt_Lock_Config_ Read (0xA9) APDataIn0 0x00 Hpt_EMF_Threshold_ Config_Read (0xAB) APDataIn0 0x19 Hpt_Config_Read2 (0xA5) Maxim Integrated │ 4 MAX20303 Evaluation Kit Evaluates: MAX20303 Table 4. Connector J1 PIN SIGNAL DESCRIPTION 1 GND 2 CHGIN 3 SYS System Load Connection 4 BAT Battery Connection 5 THM Battery Thermistor Measurement Connection 6 TPU Battery Temperature Thermistor Measurement Pullup. Do not exceed 1mA load on TPU. 7 SET External Resistor For Battery Charge Current Level Setting 8 LED0 Current Sink Output 0 Ground +28V/-5.5V Protected Charger Input 9 LED1 Current Sink Output 1 10 LED2 Current Sink Output 2 11 BSTOUT 12 GND Boost Regulator Output Ground Table 5. Connector J2 PIN SIGNAL DESCRIPTION 1 GND Ground 2 MON Monitor Multiplexer Output 3 ALRT Fuel Gauge Alert Output 4 INT Interrupt Open-Drain Output 5 RST Reset Output. Active-Low, Open-Drain Output 6 SDA I2C Serial Data Input/Open-Drain Output 7 SCL I2C Serial Clock Input 8 MPC1 Multipurpose Control I/O 1 9 MPC0 Multipurpose Control I/O 0 10 PFN2 Configurable Power Mode Control Pin (KOUT) 11 PFN1 Configurable Power Mode Control PIN (KIN) 12 GND Ground www.maximintegrated.com Maxim Integrated │ 5 MAX20303 Evaluation Kit Evaluates: MAX20303 Table 6. Connector J3 PIN SIGNAL 1 CELL Fuel Gauge Voltage 2 N.C. Not Connected 3 CPOUT Charge Pump Output 4 SFOUT Safe Out LDO 5 BK2OUT Buck2 Regulator Output 6 BK1OUT Buck1 Regulator Output 7 N.C. 8 BBOUT DESCRIPTION Not Connected Buck-Boost Regulator Output Table 7. Connector J4 PIN MAX20303 1 DRP ERM/LRA Haptic Driver Positive Output DESCRIPTION 2 DRN ERM/LRA Haptic Driver Negative Output 3 L1IN LDO1 Input 4 L1OUT LDO1 Output 5 L2IN 6 L2OUT LDO2 Input 7 VDIG Internal Reference Supply 8 CAP Internal Reference Supply LDO2 Output Table 8. Connector J5 PIN MAX20303 DESCRIPTION 1 SYS System Load Connection 2 N.C. Not Connected 3 N.C. Not Connected 4 N.C. Not Connected 5 N.C. Not Connected 6 MPC4 Multipurpose Configuration I/O 4 7 MPC3 Multipurpose Configuration I/O 3 8 MPC2 Multipurpose Configuration I/O 2 Component Suppliers SUPPLIER WEBSITE Murata Americas www.murata.com/en-us Note: Indicate that you are using the MAX20303 when contacting these component suppliers. www.maximintegrated.com Maxim Integrated │ 6 MAX20303 Evaluation Kit Evaluates: MAX20303 MAX20303 EV Kit Bill of Materials TITLE: Bill of Materials DATE: 03/23/2017 DESIGN: max20303_evkit_a NOTE: DNI--> DO NOT INSTALL(PACKOUT) ; DNP--> DO NOT PROCURE ITEM REF_DES QTY 1 C1 MFG PART # MANUFACTURER VALUE 4.7UF DESCRIPTION COMMENTS CAPACITOR; SMT (0603); CERAMIC CHIP; 1UF; 35V; TOL=20%; TG=-55 DEGC TO +125 DEGC; TC=X7R CAPACITOR; SMT; 0402; CERAMIC; 2.2uF; 6.3V; 20%; X5R; -55degC to + 85degC; 0 +/-15% degC MAX. CAPACITOR; SMT (0402); CERAMIC CHIP; 4.7UF; 6.3V; TOL=10%; TG=-55 DEGC TO +85 DEGC; TC=X5R 10UF CAPACITOR; SMT (0402); CERAMIC CHIP; 10UF; 6.3V; TOL=20%; TG=-55 DEGC TO +85 DEGC; TC=X5R 2 C2 1 C1608X7R1V105M080AC TDK 1UF C0402X5R6R3-225MNP; C0402C225M9PAC;GRM155R60J225ME; VENKEL/KEMET/MU 1 JMK105BJ225MV RATA/TAIYO YUDEN 2.2UF C3, C5, 3 C6, C10 4 C1005X5R0J475K050BC TDK 4 C4 GRM155R60J106ME44; GRM155R60J106ME47; C1005X5R0J106M050BC; 1 CL05A106MQ5NUN; C0402C106M9PAC MURATA; TDK; SAMSUNG ELECTRONICS; KEMET 5 C7 1 C0402C273K4RAC KEMET 0.027UF 6 C8, C15 C9, C13, C14, C16, 7 C18 2 C1005X5R1A105M050 TDK 1UF 5 GRM155R60J226ME11 MURATA 22UF 8 C11 1 C1005X5R1V105K050BC TDK 1UF 9 C12 C1608X5R1E106M080AC; 1 CL10A106MA8NRNC TDK/SAMSUNG ELECTRONICS 10UF 10 C17 GRM155R71A104KA01; 1 C1005X7R1A104K; C0402C104K8RAC MURATA/TDK/KEME T 0.1UF 11 J1, J2 2 TS-112-T-A SAMTEC TS-112-T-A 12 J3-J5 3 TS-108-T-A SAMTEC TS-108-T-A 13 L1, L4 2 DFE201610E-4R7M=P2 MURATA 4.7UH 14 L2, L3 2 DFE201612E-2R2M 15 R1 CRCW08051K00FK; ERJ-6ENF1001V; 1 MCR10EZHF1001; RC0805FR-071KL MURATA 2.2UH VISHAY DALE; PANASONIC; ROHM; YAGEO 1K 16 R3 1 CRCW060339K0FK VISHAY DALE 39K MAXIM MAXIM MAX20303 PCB 17 U1 18 PCB TOTAL 1 MAX20303 1 MAX 31 www.maximintegrated.com CAPACITOR; SMT (0402); CERAMIC CHIP; 0.027UF; 16V; TOL=10%; MODEL=; TG=55 DEGC TO +125 DEGC; TC=X7R CAPACITOR; SMT (0402); CERAMIC CHIP; 1UF; 10V; TOL=20%; TG=-55 DEGC TO +85 DEGC; TC=X5R CAPACITOR; SMT (0402); CERAMIC CHIP; 22UF; 6.3V; TOL=20%; TC=X5R CAPACITOR; SMT (0402); CERAMIC CHIP; 1UF; 35V; TOL=10%; TG=-55 DEGC TO +85 DEGC; TC=X5R CAPACITOR; SMT (0603); CERAMIC CHIP; 10UF; 25V; TOL=20%; TG=-55 DEGC TO +85 DEGC; TC=X5R CAPACITOR; SMT (0402); CERAMIC CHIP; 0.1UF; 10V; TOL=10%; MODEL=GRM SERIES; TG=-55 DEGC TO +125 DEGC; TC=X7R; CONNECTOR; MALE; THROUGH HOLE; PRECISION MACHINED TERMINAL STRIP; STRAIGHT; 12PINS CONNECTOR; MALE; THROUGH HOLE; PRECISION MACHINED TERMINAL STRIP; STRAIGHT; 8PINS INDUCTOR; SMT (2016); METAL ALLOY CHIP; 4.7UH; TOL=+/-20%; 1.3A INDUCTOR; SMT (0806); WIREWOUND CHIP; 2.2UH; TOL=+/-20%; 1.8A RESISTOR; 0805; 1K; 1%; 100PPM; 0.125W; THICK FILM RESISTOR, 0603, 39K OHM, 1%, 100PPM, 0.10W, THICK FILM EVKIT PART- IC; WEARABLE POWER NAMAGEMENT SOLUTION; PACKAGE OUTLINE; WLP 56 PINS; 0.5MM PITCH; PKG. CODE: W563A4+1; PKG. OUTLINE: 21-100104 PCB:MAX Maxim Integrated │ 7 MON ALRTB INTB RSTB SDA SCL MPC1 MPC0 PFN2 PFN1 12 11 10 9 8 7 6 5 4 3 2 1 J2 TS-112-T-A J5 TS-108-T-A 1 2 3 4 5 6 7 8 MPC4 MPC3 MPC2 SYS C16 22UF L3 2.2UH 1 2 C5 C6 1 C15 C1 L1IN MPC3 INT BSTGND G2 G1 INTB L1 4.7UH MPC2 G4 L1OUT L1IN G5 G6 BK1OUT BSTHVLX BSTLVLX BAT SYS CHGIN G3 L1OUT G7 H1 BSTHVLX BK1OUT H2 BSTLVLX H3 SYS BAT H5 H4 CHGIN BK1GND MPC3 2 22UF BK1LX H7 H6 MPC2 4.7UF 4.7UF 4.7UH L4 1UF 1UF C18 BK1LX 1 DRP TS-108-T-A J4 A1 DRN A2 DRP RST 22UF C14 F6 BBLVLX F7 BBLVLX 1 2 2 DRN A3 HDGND F5 THM RSTB 8 CELL F4 THM SYS A4 3 39K R3 SYS 10UF C4 L1IN 1 L2 2.2UH 1UF C11 10UF C12 2 CPOUT 6 TPU L2OUT A5 L2OUT F3 SET SET 4 L1OUT BK2LX A7 BK2LX F2 SFOUT SFOUT 5 TPU 7 A6 BK2GND F1 BSTOUT BSTOUT SCL B1 SCL BBHVLX E7 BBHVLX SFOUT 5 L2IN SDA B2 SDA ALRT E6 6 B3 CPP AGND E5 BK2OUT 4 ALERTB L2OUT 27nF C7 7 CPOUT B5 CPOUT MON E3 CPN B4 CPN CAP E4 CAP 8 MON 2 4.7UF C10 BK1OUT 3 VDIG 1UF C8 CAP 4.7UF L2IN C3 BK2OUT B7 BK2OUT B6 L2IN PFN2 E2 PFN2 LED0 E1 LED0 BBOUT www.maximintegrated.com 1 LED1 PFN1 C7 D1 D2 D3 D4 D5 CELL BBOUT LED1 PFN1 GSUB VDIG CTG D7 22UF C9 C6 D6 0.1UF C5 MPC0 QSTRT MPC0 C17 C4 MPC1 BBGND MPC1 C3 MPC4 VDIG MPC4 C2 LED2 C1 LED2 DGND MAX203030.0 U1 C13 22UF C2 2.2UF 1K R1 SET LED2 LED1 LED0 BSTOUT CHGIN SYS BAT THM TPU 12 11 10 9 8 7 6 5 4 3 2 1 J1 TS-112-T-A MAX20303 Evaluation Kit Evaluates: MAX20303 MAX20303 EV Kit Schematic TS-108-T-A J3 Maxim Integrated │ 8 MAX20303 Evaluation Kit Evaluates: MAX20303 MAX20303 EV Kit PCB Layout REV-A 06/17 MAX20303 EV Kit—Top Silkscreen www.maximintegrated.com Maxim Integrated │ 9 MAX20303 Evaluation Kit Evaluates: MAX20303 MAX20303 EV Kit PCB Layout (continued) MAX20303 EV Kit—Top Copper www.maximintegrated.com Maxim Integrated │ 10 MAX20303 Evaluation Kit Evaluates: MAX20303 MAX20303 EV Kit PCB Layout (continued) MAX20303 EV Kit—GND Plane www.maximintegrated.com Maxim Integrated │ 11 MAX20303 Evaluation Kit Evaluates: MAX20303 MAX20303 EV Kit PCB Layout (continued) MAX20303 EV Kit—System Plane www.maximintegrated.com Maxim Integrated │ 12 MAX20303 Evaluation Kit Evaluates: MAX20303 MAX20303 EV Kit PCB Layout (continued) MAX20303 EV Kit—Bottom Copper www.maximintegrated.com Maxim Integrated │ 13 MAX20303 Evaluation Kit Evaluates: MAX20303 MAX20303 EV Kit PCB Layout (continued) MAX20303 EV Kit—Bottom Silkscreen www.maximintegrated.com Maxim Integrated │ 14 MAX20303 Evaluation Kit Evaluates: MAX20303 Ordering Information PART TYPE MAX20303EVKIT# EV Kit #Denotes RoHS Compliant www.maximintegrated.com Maxim Integrated │ 15 MAX20303 Evaluation Kit Evaluates: MAX20303 Revision History REVISION NUMBER REVISION DATE 0 9/17 DESCRIPTION Initial release PAGES CHANGED — For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com. 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. © 2017 Maxim Integrated Products, Inc. │ 16