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P9415-R Datasheet

May 4, 2021

Pin Number

Name

Type

Description

GP5 / INHIBIT

I/O

General Purpose Push-Pull I/O, referenced to LDO1P8. When this pin is LOW, Rx mode is turned

on. When it is HIGH, the P9415-R cannot go into Rx mode. If this pin is driven high in the power

transfer phase, an EPT will be sent to the TX. VRECT protection is ON in INHIBIT mode. If not

used, connect this pin to GND (INHIBIT). This pin is not used in Tx mode.

PCLAMP

High voltage open-drain input for linear clamping during OVP events. Connect a resistor from this

pin to VRECT for > 5W operation. Short directly to VRECT for 5W or lower power applications.

GP3 /

Q_OFFSET

I/O

General Purpose Push-Pull I/O, referenced to LDO1P8. This pin is used to set the default

Q factor reported in the EPP mode. Default Q factor = Q factor main (based on GP1 voltage) +

Q factor offset (based on GP3 voltage). To use the firmware default Q factor, connect this pin to

GND.

GP6 /

EPP_DISABLE

I/O

General Purpose Push-Pull I/O, referenced to LDO1P8. When this pin is HIGH, Rx EPP mode is

disabled and the P9415-R operates in BPP mode. Connect this pin to GND to enable EPP mode

by default.

LDO1P8

1.8V LDO for Internal Core (always on when VRECT is powered). Connect a capacitor to the

ground.

E1, E2, E3,

E5, E6

VOUT

Main LDO output pin. Connect a capacitor to the ground. Connect an external voltage to this pin

in Tx mode.

OUT_S

Optional output voltage sensing pin. Connect this pin to VOUT pins.

F1, F2, F3,

F4, F5, F6

VRECT

Filter cap for the internal rectifier output. Connect a capacitor to the ground.

BST1

Bootstrap capacitor for driving high side N-MOSFET of the internal rectifier. Connect a capacitor

from AC1 to BST1.

G2, H1, H2, H3

AC1

I/O

Connect to the RX LC tank (due to symmetry may connect to Rx coil or Resonance Capacitor).

nEN

Active-low enable pin. When it is pulled-up High by the AP GPIO, the rectifier will be set in Diode

mode without ASK signal modulation and the P9415-R is not enabled.

While it is pulled-down Low, the rectifier can be set in any predefined modes.

G5, H4, H5, H6

AC2

I/O

Connect to the RX LC tank (due to symmetry may connect to Rx coil or Resonance Capacitor).

DEMOD

Tx mode Communication Demodulator input. Connect to LC node via diode and DEMOD filter.

This pin can be left floating if TRx mode is not used.

BST2

Bootstrap capacitor for driving the high side N-MOSFET of the internal rectifier. Connect a

capacitor from AC2 to BST2.

C1, C2, C6, J1,

J2, J3, J4, J5,

PGND

GND

Power Ground. All PGND pins must be connected tied together externally.

[a] Note: I = Input (Digital or Analog), O = Output (Digital).

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