AC1 |
B1, B2, B3 |
I |
AC input power from receiver resonant tank |
AC2 |
B4, B5, B6 |
I |
AD |
E2 |
I |
Adapter sense pin |
AD-EN |
E3 |
O |
Push-pull driver for PFET that can pass AD input to the OUT pin; used for adapter mux control |
BOOT1 |
C1 |
O |
Bootstrap capacitors for driving the high-side FETs of the synchronous rectifier |
BOOT2 |
C6 |
O |
COMM1 |
F1 |
O |
Open-drain FETs used to communicate with primary by varying reflected impedance |
COMM2 |
F6 |
O |
CLAMP1 |
E1 |
O |
Open-drain FETs used to clamp the secondary voltage by providing low impedance across secondary |
CLAMP2 |
E6 |
O |
CM_ILIM |
G3 |
I |
Enables or disables communication current limit; can be pulled high or low to disable or enable communication current limit |
FOD |
F2 |
I |
Input that is used for scaling the received power message |
ILIM |
G2 |
I/O |
Output current or overcurrent level programming pin |
LPRB 1 |
F5 |
O |
Open drain – active to help drive RECT voltage high at light load on a PMA TX |
LPRB 2 |
G6 |
OUT |
D1, D2, D3, D4, D5, D6 |
O |
Output pin, used to deliver power to the load |
PD_DET |
G6 |
O |
Open drain output that allows user to sense when receiver is on transmitter |
PGND |
A1, A2, A3, A4, A5, A6 |
— |
Power and logic ground |
RECT |
C2, C3, C4, C5 |
O |
Filter capacitor for the internal synchronous rectifier |
SCL |
E4 |
I |
SCL and SDA are used for I2C communication |
SDA |
F4 |
I |
TERM, LPRBEN |
F3 |
I |
Sets termination current as a percentage of IILIM as TERM pin. When TERM resistor is populated, LPRB pins are enabled with appropriate function |
TMEM |
G5 |
O |
TMEM allows capacitor to be connected to GND so energy from transmitter ping can be stored to retain memory of state |
TS/CTRL |
G4 |
I |
Temperature sense. Can be pulled high to send end power transfer (EPT) or end of charge (EOC) to TX |
VIREG |
E5 |
I |
Rectifier voltage feedback |
VO_REG |
G1 |
I |
Sets the regulation voltage for output |
WPG |
F5 |
O |
Open-drain output that allows user to sense when power is transferred to load |