VINL |
A1 |
I |
Power supply input for VLED BUCK-BOOST power stage. Connect to system power.
|
A2 |
AGND1 |
A3 |
GND |
Analog ground. Connect to ground plane. |
VINR |
A4 |
I |
Power supply input for DMD switch mode power supply (SMPS). Connect to system power. |
SWN |
A5 |
I |
Connection for the DMD SMPS-inductor (high-side switch). |
PGNDR |
A6 |
GND |
Power ground for DMD SMPS. Connect to ground plane. |
SWP |
A7 |
O |
Connection for the DMD SMPS-inductor (low-side switch). |
L1 |
B1 |
O |
Connection for VLED BUCK-BOOST inductor. |
B2 |
RESETZ |
B3 |
O |
Reset output to the DLP system (active low). Pin is held low to reset DLP system. |
INTZ |
B4 |
O |
Interrupt output signal (open drain). Connect to pull-up resistor or short to ground. |
CNTR_VRST |
B5 |
O |
Connection to VRST for fast discharge function. |
REF_VRST |
B6 |
I |
Reference pin for the VRST regulator. Connect to VRST rail through 100-kΩ resistor. |
VBIAS |
B7 |
O |
VBIAS output rail. Connect to ceramic capacitor. |
PGNDL |
C1 |
GND |
Power ground for VLED BUCK-BOOST. Connect to ground plane. |
C2 |
SPI_CLK |
C3 |
I |
Clock input for SPI interface. |
SPI_CSZ |
C4 |
I |
SPI chip select (active low). |
SPI_DIN |
C5 |
I |
SPI data input. |
SPI_DOUT |
C6 |
O |
SPI data output. |
VOFS |
C7 |
O |
VOFS output rail. Connect to ceramic capacitor. |
L2 |
D1 |
I |
Connection for VLED BUCK-BOOST inductor. |
D2 |
VSPI |
D3 |
I |
Power supply input for SPI interface. Connect to system I/O voltage. |
CMP_OUT |
D4 |
O |
Analog-comparator output. |
PWM_IN |
D5 |
I |
Reference voltage input for analog comparator. |
AGND |
D6 |
GND |
Analog ground. Connect to ground plane. |
VINA |
D7 |
POWER |
Power supply input for sensitive analog circuitry. |
VLED |
E1 |
O |
VLED BUCK-BOOST converter output pin. |
E2 |
SENS1 |
E3 |
I |
Input signal from light sensor. |
SENS2 |
E4 |
I |
Input signal from temperature sensor. |
PROJ_ON |
E5 |
I |
Input signal to enable or disable the IC and DLP projector. |
DGND |
E6 |
GND |
Digital ground. Connect to ground plane. |
V2V5 |
E7 |
O |
Internal supply filter pin for digital logic; typical 2.5 V. |
SW4 |
F1 |
O |
Low-side MOSFET switch for LED cathode. Connect to RGB LED assembly. |
RLIM_K |
F2 |
I |
Kelvin sense connection to top side of LED current sense resistor.
For best accuracy, route this trace directly to the top of the current sense resistor and separate it from the normal trace from the current sense resistor to the RLIM pins. |
LED_SEL1 |
F3 |
I |
Digital input to the RGB STROBE DECODER. |
LED_SEL0 |
F4 |
I |
Digital input to the RGB STROBE DECODER. |
BOUT1 |
F5 |
O |
Motor driver B phase output1. |
LS_IN |
F6 |
I |
Load switch. |
LS_OUT |
F7 |
O |
Load switch. |
SW5 |
G1 |
O |
Low-side MOSFET switch for LED cathode. Connect to RGB LED assembly. |
RLIM |
G2 |
O |
Connection to LED ‘current sense’ resistor.
Bottom side of sense resistor is connected to GND. |
RBOT_K |
G3 |
I |
Kelvin sense connection to ground side of LED current sense resistor. |
AOUT1 |
G4 |
O |
Motor driver A phase output1. |
BOUT2 |
G5 |
O |
Motor driver B phase output2. |
VCORE |
G6 |
I |
VCORE BUCK converter feedback pin. |
PGNDCM |
G7 |
GND |
Power ground for VCORE BUCK and motor driver. |
SW6 |
H1 |
O |
Low-side MOSFET switch for LED cathode. Connect to RGB LED assembly. |
RLIM |
H2 |
O |
Connection to LED current sense resistor.
Bottom side of sense resistor is connected to GND. |
V6V |
H3 |
O |
Internal supply filter pin for gate driver circuitry. Typical 6.25 V. |
AOUT2 |
H4 |
O |
Motor driver A phase output2. |
VINM |
H5 |
I |
Power supply input for motor driver power stage. Connect to system power. |
VINC |
H6 |
I |
Power supply input for VCORE BUCK power stage. Connect to system power. |
SWC |
H7 |
I/O |
Connection for 1.1-V BUCK inductor. |