Renesas ISL9241EVAL1Z, User Manual

Page 1: ...ion and is subject to change by Renesas Electronics Corp without notice Please review the latest information published by Renesas Electronics Corp through various means including the Renesas Electronics Corp website http www renesas com Rev 3 00 Renesas Electronics Corporation www renesas com ISL9241EVAL1Z User s Manual Evaluation Board Battery and Optical Aug 26 19 ...

Page 2: ...e not limited to adapter current limit charger current limit system voltage setting and trickle charging current limit The ISL9241EVAL1Z evaluation board is designed to demonstrate the performance of the ISL9241 From the PROG pin to GND the resistor can be used to program the default value numbers of the battery in series the switching frequency and the adapter current limit charging function The ...

Page 3: ...harge current command is 2A and the e load takes 2A from the charger and another 1A from the power supply in parallel with it When discharging the power supply acts just like the battery to discharge current You can also use the e load Constant Voltage CV mode to emulate the battery to take the charging current from the charger and set the e load CV voltage below the MaxSysV register setting Howev...

Page 4: ...ation Wizard package includes all three required components ISL9241 SMBus Control Tool National Instruments Runtime VISA Engine USB interface module driver 1 3 Installing the GUI Both the ISL9241 Control Software and the National Instruments Runtime Engine are installed automatically from the installation wizard Note Close all other applications before this installation and reboot the computer whe...

Page 5: ...izard 1 4 Installing the USB Driver This process explains how to install the SMBus to USB interface driver The driver supports Microsoft Vista Windows 7 Windows 8 and Windows 8 1 operating systems Note If you installed the driver or certificate previously skip this section 1 Open the installation wizard package 2 Navigate to USB SMBus Driver Right click the SMBus USB Win10 inf file and select Inst...

Page 6: ...complete the steps below The system restarts and these instructions are needed 5 Open the Command Prompt from the Start menu 6 Enter the command shutdown r o f t 00 in the Command Prompt 7 Click OK 8 The system restarts to the Choose an option screen 9 Select Troubleshoot from the Choose an option screen 10 Select Advanced options from the Troubleshoot screen 11 Select Windows Startup Settings fro...

Page 7: ... Graphical User Interface 2 3 Troubleshooting the GUI Check the status of the USB interface at the top of the GUI If the USB communication is OK the USB Interface status shows a green check mark as seen in Figure 6 If the USB Interface status shows a red X the computer cannot establish the connection Complete the following steps to troubleshoot 1 Make sure the driver files for the USB interface ar...

Page 8: ... R23 from the PROG pin to GND The Prog Pin Programming Options table in the ISL9241 datasheet shows the programming options After the default number of cells in series is set the default values for MaxSystemVoltage and MinSystemVoltage are set accordingly These values can also be changed through the SMBus control registers which are implemented with the Renesas GUI shown in Figure 8 on page 10 The...

Page 9: ...A Increase VIN from 5V to 15V slowly Monitor PH1 and PH2 to observe seamless switching from Boost mode to Buck Boost mode and finally into Buck mode 3 3 Regulating Input Current Limit 1 Keep VIN as a constant value between 3 8V and 24V Set the battery emulator voltage to 7 8V and connect the battery emulator output to battery leads J5 and J6 2 Turn on the battery emulator there is no charge and di...

Page 10: ...or and open the Renesas ISL9241 GUI Figure 8 Note A green check mark in the USB Interface status indicates the GUI is ready to communicate with the ISL9241EVAL1Z If the USB Interface shows a red X the GUI is not ready to communicate with the ISL9241EVAL1Z Click the Reset USB button until a green check mark appears in the USB Interface If the green check mark does not appear check the USB connectio...

Page 11: ...Note Make sure the input current does not reach the input current limit value especially for small VIN input 3 6 Configuring the ISL9241EVAL1Z for OTG Mode 1 Set the battery emulator voltage at a constant value between 5 8V and 15V Connect battery leads J5 and J6 with the output disabled 2 Connect an electric load on supply leads J1 and J2 with the output disabled 3 Connect the USB cable at the US...

Page 12: ...e OTGCurrent limit value the load voltage is regulated at the setting value 3 7 Configuring the ISL9241EVAL1Z for Bypass Mode See AN1994 for information about how to transition between different NVDC and Bypass modes The document also provides steps on how to enable charging in each mode and how to allow the battery to supplement the adapter in Bypass mode reverse turbo boost 3 8 Supplemental Mode...

Page 13: ...t Guidelines This section provides real examples of PCB layouts The guidance is specific to board implementation indicates key techniques used and highlights areas that affect both functionality and performance 4 1 ISL9241EVAL1Z Evaluation Board Figure 11 ISL9241EVAL1Z Evaluation Board Top ...

Page 14: ...ISL9241EVAL1Z 4 PCB Layout Guidelines UG184 Rev 3 00 Page 14 of 28 Aug 26 19 Figure 12 ISL9241EVAL1Z Evaluation Board Bottom ...

Page 15: ...6 6 6 1 1 73 1 73 57 5 B 73 B B 73 7 1 1 1 4 B 6 1 6 6 6 73 X 1 S X X 3 5 5 X 1 73 73 X X 1 5 1 X 73 5 73 X X 73 73 Q B 1 1 5 1 73 73 5 B 1 X 3 5 B 73 B B 73 B B X 73 5 1 3 8 7 5 06 4 6 6 1 6 6 6 73 5 1 X 5 73 1 5 4 6 6 1 6 6 6 6 5 73 5 5 73 73 X 4 B 21 6 6 6 73 5 X 5 X 73 X X 4 B 6 6 1 6 6 6 73 5 5 5 73 73 5 B 1 1 5 5 B 5 B X S 73 73 1 5 5 4 6 6 1 6 6 6 1 73 73 73 5 B 73 1 73 8 6 6 1 1 352 9 27 1...

Page 16: ...ROHS Kemet C0603C475K8PACTU 1 C31 CAP SMD 0603 4 7uF 35V 10 X5R ROHS Murata GRM188R6YA475KE15D 15 C7 C14 C16 C20 C21 C22 C23 C24 C25 CAP SMD 0805 22µF 25V 10 X5R ROHS Murata GRM21BR61E226ME44L 2 C40 C41 CAP SMD 0805 10µF 25V 10 X5R ROHS TDK C2012X5R1E106K 4 C1 C2 C3 C4 CAP POSCAP SMD B case 15µF 25V 20 100MΩ ROHS Sanyo 25TQC15MYFB 1 L1 PWR CHOKE COIL SMD 10x10 2 2µH 10A 20 ROHS Cyntec Co Ltd PEUE1...

Page 17: ...Omega Semiconductor Inc AON6414A 2 R1 R14 RES SMD 0603 2Ω 1 10W 1 TF ROHS Yageo RC0603FR 072RL 1 R7 RES SMD 0603 10Ω 1 10W 1 TF ROHS Yageo RC0603FR 0710RL 1 R8 RES SMD 0603 4 7Ω 1 10W 1 TF ROHS Yageo RC0603FR 074R7L 1 RT1 NTC THERMISTOR 10kΩ 1 0603 ROHS Murata NCP18XH103F03RB 22 R2 R6 R10 R11 R21 R22 R24 R40 R41 R42 R43 R84 R85 R86 R89 R90 R91 R92 R96_41 R93_41 R94_41 R95_41 RES SMD 0603 0Ω 1 10W ...

Page 18: ...L DATE CODE 1 Rename PCB to ISL9241EVAL1Z REV E LABEL TO RENAME BOARD Renesas LABEL RENAME BOARD Table 1 Guidelines for PCB Layout Pin Pin Name Layout Guidelines Bottom Pad GND Connect this ground pad to the ground plane through a low impedance path Renesas recommends using at least five vias to connect to ground planes in the PCB to ensure sufficient thermal dissipation directly under the IC 1 CS...

Page 19: ...e to the gate terminals of the switching MOSFETs and keep the gate drive signal traces short for a clean MOSFET drive The IC can be placed on the opposite side of the switching MOSFETs Place the input capacitors as close as possible to the switching high side MOSFET drain and the low side MOSFET source Use the shortest PCB trace connection Place these capacitors on the same PCB layer as the MOSFET...

Page 20: ...ce the compensation components in the general proximity of the controller Do not allow any switching signal to cross over or get close 29 AMON BMON No special consideration Place the optional RC filter in the general proximity of the controller 30 PSYS REFADJ Signal pin current source output No special consideration REFADJ is an analog signal pin for output voltage feedback Place near the controll...

Page 21: ...ISL9241EVAL1Z 4 PCB Layout Guidelines UG184 Rev 3 00 Page 21 of 28 Aug 26 19 Figure 15 Inner Layer 1 Figure 16 Inner Layer 2 ...

Page 22: ...ISL9241EVAL1Z 4 PCB Layout Guidelines UG184 Rev 3 00 Page 22 of 28 Aug 26 19 Figure 17 Bottom Layer Mirror Image ...

Page 23: ...ent loop to adapter current loop transition VADP 5V VBAT 11V MaxsystemVoltage 12 576V Adapter_current_limit 3A Charge_current 0 5A System_load 0 5A to 8A Figure 20 Buck Boost Mode output voltage loop to adapter current loop transition VADP 12V VBAT 11V MaxsystemVoltage 12 576V Adapter_current_limit 3A Charge_current 0A System_load 0A to 8A Figure 21 Buck_Boost Mode charge current loop to adapter c...

Page 24: ... to adapter current loop transition VADP 20V VBAT 11V MaxsystemVoltage 12 576V Adapter_current_limit 3A Charge_current 3A System_load 0A to 10A Figure 24 Boost Mode output voltage loop to input voltage loop transition VADP 5V VBAT 11V MaxsystemVoltage 12 576V Charge_current 0A System_load 0A to 10A Input_voltage_DAC 4 00V Figure 25 Boost Mode charge current loop to input voltage loop transition VA...

Page 25: ... 5A to 2A Figure 28 Bypass HPBB mode reverse turbo boost enabled Output voltage loop to adapter current limit loop transition VADP 20V VBAT 12V MaxsystemVoltage 13 04V Adapter_current_limit 3A Charge_current 0A System_load 0 5A to 6A Figure 29 Bypass HPBB mode reverse turbo boost enabled Charge current loop to adapter current limit loop transition VADP 20V VBAT 12V MaxsystemVoltage 13 04V Adapter_...

Page 26: ...cription 3 00 Aug 26 19 Applied new formatting Updated links throughout Updated schematic Updated BOM 2 00 Oct 22 18 Updated schematic 1 00 Oct 11 18 Added schematic on page 17 Added Bill of Materials starting on page 18 Added Typical Performance Curves starting on page 25 0 00 Aug 21 18 Initial release ...

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Page 28: ...ISL9241EVAL1Z UG184 Renesas Electronics Corporation www renesas com ...