8

Application information

This chapter is aimed to provide some application hints such as a reference schematic, PCB layout guidelines,

minimum components to properly run an application and other aspects.

8.1

Reference application

A typical STWBC86 application schematic is shown below.

Typical component values for a power transmitter capable of 5W output power are listed in the tables below.

Figure 11. STWBC86 basic application diagram

GPIO0

AC1

AC2

VINV

VIN

COIL

VINPUT

STWBC86

CINV

BOOT1

BOOT2

CBOOT1

CBOOT2

CSER

SCL

SDA

INT/GPIO6

VPULL_UP

RESETB

GPIO1

GPIO2

GPIO3

GPIO4

V5V0

V1V8

NTC

CV5V

CV18

Rdown

Rup

VSSA

VSSD

RFLT3

RFLT1

RFLT2

CFLT3

CFLT2

CFLT1

GPIO5

GPIO7

D1

``

RING NODE

RING NODE

ADC

R1

R2

R3

R4

C1

C2

VSSP

Table 19. Typical components list for a 5 W Tx application

Component

Value

Manufacturer

Part Number

Notes

L1

6.3µH

Wurth

760308111

Primary coil

STWBC86

Application information

DS14079 - Rev 1

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