P9225-R Datasheet

© 2018 Integrated Device Technology, Inc.

7

November 12, 2018

Pins

Name

Type

Function

D1, D2, D3,

D4, D5, D6

OUT

Output

Regulated output voltage pins. On each of these pins, connect a 22μF capacitor to GND. The

default voltage is set to 5V when the VOSET pin is pulled up to VDD18 pin through a 10kΩ

resister. For more information about VOSET, see section 8.2.

E1, E2, E5, E6,

F2, F3, F4, F5

VRECT

Output

Output voltage of the synchronous rectifier bridge. On each of these pins, connect two 22μF

capacitors and a 0.1µF capacitor in parallel to GND. The rectifier voltage dynamically changes

as the load changes.

F1

VDD5V

Output

Internal 5V regulator output voltage for internal use. Connect a 1μF capacitor from this pin to

ground. Do not load the pin.

F6

VDD18

Output

Internal 1.8V regulator output voltage. Connect a 1μF capacitor from this pin to ground. Do not

load the pin.

G1

BST1

Output

Boost capacitor for driving the high-side switch of the internal rectifier. Connect a 15nF capacitor

from the AC1 pin to BST1.

G2, H1, H2

AC1

Input

AC input power. Connect these pins to the resonant capacitance CS (C1, C2, C3, and C5 in

Figure 22).

G3

RSV3

–

Reserved pin. This pin must be connected to OUT pin.

G4

RSV1

–

Reserved pin.

G5, H5, H6

AC2

Input

AC input power. Connect to the Rx coil (L1 in Figure 22).

G6

BST2

Output

Boost capacitor for driving the HIGH-side switch of the internal rectifier. Connect a 15nF

capacitor from the AC2 pin to BST2.

H3

RSV2

–

Reserved pin. This pin must be connected to the OUT pin.

H4

TS

Input

Remote temperature sensor for over-temperature shutdown. Connect to the NTC thermistor

network. If not used, connect this pin to VDD18 pin through the 10kΩ resistor.