Evaluates: MAX4983E/MAX4984E 19-4155 Rev 0 5/08 MAX4983E Evaluation Kit General Description Features The MAX4983E evaluation kit (EV kit) provides a proven USB Powered (Cable Included) design to evaluate the MAX4983E high ESD-protected Complete USB 2.0 (480Mbps) Switching Circuit double-pole/double-throw (DPDT) switch. The EV kit is designed to demonstrate the MAX4983E ICs used in On-Board VBUS Power-Switching Circuit USB 2.0 high-speed (480Mbps) switching applications. Lead-Free and RoHS Compliant The EV kit routes a single USB signal between one of two type-A USB ports. Proven PCB Layout The MAX4983E EV kit PCB comes with a MAX4983EEVB+ Fully Assembled and Tested installed. Ordering Information PART TYPE MAX4983EEVKIT+ EV Kit +Denotes lead-free and RoHS compliant. Component List DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION 0.1F 10%, 16V X7R ceramic USB series-A right-angle PC-mount P2, P3 2 receptacles capacitors (0603) C1, C3, C5, C6 4 Murata GRM188R71C104K Dual n-channel MOSFET (6 SSOT) Q1 1 TDK C1608X7R1C104K Fairchild Semi FDC6305N 10F 10%, 16V X5R ceramic Dual p-channel MOSFET (6 SSOT) capacitors (0805) C2, C4 2 Q2 1 Fairchild Semi FDC6312P Murata GRM21BR61C106K R1 1 270 5% resistor (0603) 1F 10%, 16V X5R ceramic R2, R3 2 10k 5% resistors (0603) capacitor (0603) C7 1 Murata GRM188R61C105K High-speed USB 2.0 switches TDK C1608X5R1C105K (10 UTQFN) U1 1 Maxim MAX4983EEVB+ D1 1 Green LED (0603) (Top Mark: AAA) Ferrite bead (0603) FB1 1 3.3V linear regulator (5 SC70) TDK MMZ1608R301A U2 1 Maxim MAX8511EXK33+T JU1, JU2, JU3 3 3 pin headers, 0.1in centers (Top Mark: AEI) Not installed, chip inductorsshort 3 Shunts L1, L2 0 (PCB trace) (0603) 1 PCB: MAX4983E Evaluation Kit+ USB series-B right-angle PC-mount P1 1 receptacle Component Suppliers SUPPLIER PHONE WEBSITE Fairchild Semiconductor 888-522-5372 www.fairchildsemi.com Murata Electronics North America, Inc. 770-436-1300 www.murata-northamerica.com TDK Corp. 847-803-6100 www.component.tdk.com Note: Indicate that you are using the MAX4983E or MAX4984E when contacting these component suppliers. Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.MAX4983E Evaluation Kit inputs by configuring jumper JU1, as shown in Table. 2. Quick Start The EV kit is powered from the type-B USB port (P1) Recommended Equipment and provides an on-board regulated 3.3V supply to Before beginning, the following equipment is needed: power the MAX4983E IC. All USB signal traces are 90 MAX4983E EV kit (USB cable included) differential controlled-impedance traces. A user-supplied Windows 2000/XP/Vista -compati- The EV kit also includes an on-board VBUS power- ble PC with a spare high-speed USB port switching circuit that routes the USB power from port P1 to either the P2 or P3 type-A USB ports. See the On- One USB 2.0 high-speed/full-speed device (i.e., USB Board VBUS Power Switching section. 2.0 flash drive) USB Switch Control (CB) Procedure The USB signals are routed between P1 and P2 or The MAX4983E EV kit is fully assembled and tested. between P1 and P3, depending on the state of the Follow the steps below to verify board operation: MAX4983E DPDT switch. The DPDT switch is controlled 1) Verify that all jumpers (JU1, JU2, and JU3) are in through jumper JU1 (Table 2). their default position, as shown in Table 1. Table 2. Jumper JU1 Function 2) Connect the USB cable from the PC to the type-B USB port (P1) on the EV kit. SHUNT CB PIN DESCRIPTION POSITION 3) Connect the USB 2.0 device source to P2, type-A USB port. Connected to COM1 and COM2 connected 1-2* 4) Verify that the USB 2.0 device is detected by the PC. GND to NC1 and NC2 (P1 P2) Connected to COM1 and COM2 connected Table 1. Default Shunt Positions 2-3 VCC to NO1 and NO2 (P1 P3) JUMPER SHUNT POSITION *Default position. JU1 1-2 Device Enable (EN) JU2 1-2 The MAX4983E is enabled/disabled by configuring JU3 1-2 jumper JU2 (Table 3). When disabled, the MAX4983E switches are placed in a high-impedance state. Detailed Description Table 3. Jumper JU2 Function The MAX4983E EV kit provides a proven layout for the SHUNT MAX4983E and demonstrates the devices used in USB EN PIN DESCRIPTION POSITION 2.0 high-speed switching applications. The EV kit pro- vides one type-B (P1) and two type-A (P2, P3) USB Connected to Switches enabled for normal 1-2* ports. The MAX4983E routes the USB signals between GND operation P1 and one of the two type-A USB ports, depending on Connected to Switches are off and in high- the configuration of jumper JU1. 2-3 VCC impedance state Jumper JU1 is used to switch between the USB chan- *Default position. nels and JU2 is used to enable/disable the internal switches. The user can switch to one of the two USB Windows and Windows Vista are registered trademarks of Microsoft Corp. 2 Evaluates: MAX4983E/MAX4984E