ZSPM8060-KIT Evaluation Board Description Restrictions: IDTs ZSPM8060-KIT Open-Loop Evaluation Board is designed for evaluation of the ZSPM9060, laboratory setup, and module development only. The Evaluation Board must not be used for module production and production test setups. IDT shall not be liable for any damages arising out of defects resulting from (i) delivered hardware (ii) non- observance of instructions contained in this manual, or (iii) misuse, abuse, use under abnormal conditions or alteration by anyone other than IDT. To the extent permitted by law, IDT hereby expressly disclaims and User expressly waives any and all warranties, whether express, implied, or statutory, including, without limitation, implied warranties of merchantability and of fitness for a particular purpose, statutory warranty of non-infringement and any other warranty that may arise by reason of usage of trade, custom, or course of dealing. Important Safety Reminder: These procedures can result in high currents, which can cause severe injury or death and/or equipment damage. Only trained professional staff should connect external equipment and operate the software. 2016 Integrated Device Technology, Inc. 1 April 11, 2016 ZSPM8060-KIT Evaluation Board Description Contents 1 Introduction ....................................................................................................................................................... 4 1.1. ZSPM8060-KIT Open-Loop Evaluation Board Overview .......................................................................... 4 2 Evaluation Board Description ........................................................................................................................... 6 2.1. User-Selected Input and Output Capacitors .............................................................................................. 8 2.2. Recommended Values for Key Passive Components .............................................................................. 9 3 Test Setup and Procedure ............................................................................................................................. 10 3.1. Test Setup ............................................................................................................................................... 10 3.2. Evaluation Board Setup and Evaluation Procedures .............................................................................. 11 3.3. Evaluation Board Operation and Part Description .................................................................................. 13 3.3.1. SMOD Operation ............................................................................................................................ 13 3.3.2. Filter Resistor R4 between VDRV and VCIN .................................................................................... 13 3.3.3. Decoupling Capacitors C3 and C1 on VDRV and VCIN ................................................................... 13 3.3.4. Bootstrap Capacitor C5 and Series Bootstrap Resistor R9 .............................................................. 14 3.3.5. Resistor R8 between the PHASE Pin and VSWH Node................................................................... 14 3.3.6. Resistor R7 Open Footprint (Not Applicable to the ZSPM9060) ...................................................... 14 3.3.7. Pull-up Resistor R1 from SMOD to VCIN ....................................................................................... 14 3.3.8. Pull-up Resistor R6 from DISB to VCIN .......................................................................................... 14 3.3.9. Pull-up Resistor R12 from THWN to VCIN ..................................................................................... 14 3.3.10. Resistor R11 between DISB and THWN ...................................................................................... 14 3.3.11. R2 Pull-up and R5 Pull-down Resistors on PWM ............................................................................. 15 3.3.12. RC Snubber Components R13 and C34 .......................................................................................... 15 3.3.13. RC Filter Components R14, C42, and C43 ...................................................................................... 15 4 Evaluation Board Performance ...................................................................................................................... 16 4.1. Efficiency and Power Loss Calculation ................................................................................................... 16 4.2. Efficiency and Power Loss Measurement ............................................................................................... 17 4.3. Switching Waveform Measurements ....................................................................................................... 18 5 Evaluation Board Bill of Materials .................................................................................................................. 19 6 Related Documents ........................................................................................................................................ 21 7 Definitions of Acronyms .................................................................................................................................. 21 8 Document Revision History ............................................................................................................................ 21 Appendix A: ZSPM8060-KIT Physical Specifications and Layout ......................................................................... 22 Appendix B: ZSPM8060-KIT Open-Loop Evaluation Board Schematic ................................................................ 26 2016 Integrated Device Technology, Inc. 2 April 11, 2016