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2.  Schematics

SF3

BUMPER

TP6

VSSB

SF4

BUMPER

Si8284

GNDA

VDDB

VMID

VSSB

VPWR

VDDP

VDDA

TP1

VDDA

TP2

GNDA

TP3

VPWR

TP4

VDDB

TP5

VMID

SF1

BUMPER

SF2

BUMPER

GNDA

VDDB

VDDA

VMID

VSSB

VDDB

VMID

VPWR

VMID

VPWR

VDDA

VSSB

GNDA

VDDP

VDDP

TP7

VDDP

OUTPUT

INPUT

INPUT

J3

1

2

3

J1

1

2

3

TP8

VMID

TP9

GNDA

J2

1

2

Figure 2.1.  Si8284-EVB Top Level Schematic

UG168: Si8284-EVB User's Guide

Schematics

silabs.com

 | Smart. Connected. Energy-friendly.

Rev. 0.1  |  3

Summary of Contents for Si8284-EVB

Page 1: ...tion board KEY POINTS Discusses hardware overview and setup including Si8284 low voltage side connections DC DC operation Si8284 isolated gate drive connections Offers alternative configurations Demon...

Page 2: ...ontroller by applying a GNDA referenced PWM signal from a function generator to the IN and IN inputs Maximum input voltage is VDDA DC DC Operation The isolated DC DC converter is set to generate with...

Page 3: ...allows for normal operation of the Si8284 Since both sides of the Si8284 have been powered on RDY will output 5 V which can be observed at J8 3 Apply 5 V to both J9 IN and J10 IN VL will turn on and...

Page 4: ...VDDB TP5 VMID SF1 BUMPER SF2 BUMPER GNDA VDDB VDDA VMID VSSB VDDB VMID VPWR VMID VPWR VDDA VSSB GNDA VDDP VDDP TP7 VDDP OUTPUT INPUT INPUT J3 1 2 3 J1 1 2 3 TP8 VMID TP9 GNDA J2 1 2 Figure 2 1 Si8284...

Page 5: ...MID VSSB VSSB VPWR D7 RED VSSB VPWR R25 10K C24 0 01uF D8 RED VDDB R26 10K 1 DC DC is built to drive gate to 15 9V 2 To operate with positive gate drive only a Remove R13 b Install R19 0 Ohm c Change...

Page 6: ...3 Layout Figure 3 1 Si8284 EVB Top Silkscreen Figure 3 2 Si8284 EVB Top Copper UG168 Si8284 EVB User s Guide Layout silabs com Smart Connected Energy friendly Rev 0 1 5...

Page 7: ...Figure 3 3 Si8284 EVB Bottom Silkscreen Figure 3 4 Si8284 EVB Bottom Copper UG168 Si8284 EVB User s Guide Layout silabs com Smart Connected Energy friendly Rev 0 1 6...

Page 8: ...ONN TERM BLOCK 2POS 2 54MM RT PCB PHOENIX CONTACT 1725656 J4 J5 Header 8x2 0 1in pitch Tin Plated Samtec TSW 108 07 T D J6 J7 J8 J9 J10 J11 Header Single Pin Tin Plated Samtec TSW 101 07 T S JP4 JP5 J...

Page 9: ...F SF1 SF2 SF3 SF4 HDW BUMPON CYLINDRICAL 0 312 x 0 215 BLK 3M SJ61A6 T2 TRANSFORMER POWER FLYBACK 5 kV ISOLATED 25 H PRIMARY 2 windings N 1 25 N 0 75 SMT Coilcraft TA7618 AL TP1 TP2 TP3 TP4 TP5 TP6 TP...

Page 10: ...1 Si8284 EVB Ordering Guide Ordering Part Number OPN Description Si8284 KIT Si8284 Isolated gate driver evaluation board kit UG168 Si8284 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...

Page 12: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Silicon Laboratories Si8284 KIT SI8284 KIT...

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