Silicon Laboratories Si8281-EVB User Manual Download Page 6 | Manualshive

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3. Layout

Figure 3.1. Si8281-EVB Top Silkscreen

Figure 3.2. Si8281-EVB Top Copper

UG167: Si8281-EVB User's Guide

Layout

silabs.com

| Smart. Connected. Energy-friendly.

Rev. 0.1 | 5

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Summary of Contents for Si8281-EVB

Page 1: ...tion board KEY POINTS Discusses hardware overview and setup including Si8281 low voltage side connections DC DC operation Si8281 isolated gate drive connections Offers alternative configurations Demon...

Page 2: ...lled at JP1 to power VDDB from the DC DC output Si8281 Isolated Gate Drive Connections There are four different load options for Si8281 gate driver 1 Through holes for a MOSFET or an IGBT in a TO 247...

Page 3: ...a tion of the Si8281 Since both sides of Si8281 have been powered on RDY will output 5 V which can be observed at J8 4 Apply 5 V to both J9 IN and J10 IN The Si8281 will drive low and 11 V can be obse...

Page 4: ...BUMPER Si8281 VIN GNDA VDDB VMID VSSB VPWR OUTPUT INPUT INPUT TP1 VIN TP2 GNDA TP3 VPWR TP4 VDDB TP5 VMID TP6 VSSB J2 1 2 J3 1 2 3 J1 1 2 VDDB VSSB VPWR VMID TP14 VMID Figure 2 1 Si8281 EVB Top Level...

Page 5: ...tor value and power rating for R10 R11 R12 are dependent on switching frequency and gate loading of the IGBT MOSFET device 1 DC DC is built to drive to create 15 11V 2 To operate with positive voltage...

Page 6: ...3 Layout Figure 3 1 Si8281 EVB Top Silkscreen Figure 3 2 Si8281 EVB Top Copper UG167 Si8281 EVB User s Guide Layout silabs com Smart Connected Energy friendly Rev 0 1 5...

Page 7: ...Figure 3 3 Si8281 EVB Bottom Silkscreen Figure 3 4 Si8281 EVB Bottom Copper UG167 Si8281 EVB User s Guide Layout silabs com Smart Connected Energy friendly Rev 0 1 6...

Page 8: ...JP1 JP2 Header 2x1 0 1 in pitch Tin Plated Samtec TSW 102 07 T S JS1 JS2 Shunt 1x2 0 1 in pitch Tin plating Samtec SNT 100 BK T R1 RES 182 K 1 10 W 1 ThickFilm 0603 Venkel CR0603 10W 1823F R2 RES 7 8...

Page 9: ...acturer Part Number TP8 TP9 TP10 TP13 TESTPOINT WHITE PTH Kobiconn 151 201 RC U1 IC 4 AMP ISODRIVER WITH DC DC SO20 WB Silicon Labs Si8281CD IS UG167 Si8281 EVB User s Guide Bill of Materials silabs c...

Page 10: ...1 Si8281 EVB Ordering Guide Ordering Part Number OPN Description Si8281 KIT Si8281 Isolated gate driver evaluation board kit UG167 Si8281 EVB User s Guide Ordering Guide silabs com Smart Connected En...

Page 11: ...abricate any integrated circuits The products are not designed or authorized to be used within any Life Support System without the specific written consent of Silicon Labs A Life Support System is any...

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