STWLC68 datasheet(4/32 Pages) STMICROELECTRONICS

No de pièce	STWLC68

Description	Qi-compliant inductive wireless power receiver for 5W applications

PDF	32 Pages

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Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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Device pinout

Figure 2. Pin assignment (through top view)

Table 1. Pin description

Pin name

Pin location

Pin function

VSSA

C4,C5,D3,D4,

D5,E5,F5,F6,

G6,G7

Analog ground. Power return for the main LDO and the analog circuitry.

VSSD

E4, F3, F4, G2, G3,

G4, H3, H4, H5, H6,

Digital ground. Reference for digital input and output signals.

VSSP

A1, A8, B1, B8

Power ground. Power return for the synchronous rectifier.

AC1

A6, A7, B6, B7

AC power input: input of the synchronous rectifier. Connect to RX series resonant

circuit.

AC2

A2, A3, B2, B3

AC power input: input of the synchronous rectifier. Connect to RX series resonant

circuit.

BOOT1

Synchronous rectifier bootstrap capacitor connection: a 47 nF (typ.) ceramic capacitor

is connected between this pin and AC1.

BOOT2

Synchronous rectifier bootstrap capacitor connection: a 47 nF (typ.) ceramic capacitor

is connected between this pin and AC2.

BOOT

Main LDO power transistor bootstrap capacitor. Connect a 4.7 nF (typ.) ceramic

capacitor between this pin and VRECT.

STWLC68

Device pinout

DS13131 - Rev 3

page 4/32

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