DLPC4420ZPC datasheet(31/49 Pages) TI

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8 Application and Implementation

Note

Information in the following applications sections is not part of the TI component specification,

and TI does not warrant its accuracy or completeness. TI’s customers are responsible for

determining suitability of components for their purposes, as well as validating and testing their design

implementation to confirm system functionality.

8.1 Application Information

The DLPC4420 display controller coupled with supported DMDs comprise the chipset. The controller integrates

all system image processing, DMD control and data formatting onto a single integrated circuit (IC), as well as

LED or LPCW illumination systems and multiple image processing algorithms. Applications include 4K Ultra High

Definition (UHD) Display, Home Theatre, Smart Display, Digital Signage, and Laser TV.

8.2 Typical Application

The DLPC4420 controller is ideal for applications requiring high brightness and high resolution displays. When

two DLPC4420 display controllers are combined with the DLP 4K DMD, an FPGA, a power management and

motor driver device (DLPA100), and other electrical, optical and mechanical components the chipset enables

bright, affordable, 4K UHD display solutions. A typical DLP system application using the DLPC4420 controller

and supported DLP DMD is shown below.

DLPC4420

Controller

Primary

TI DLP chipset

Third party component

VBIAS, VOFFSET, VRESET

SCP CTRL

Vx1

2xLVDS

Front End Device

Vx1:

3840 × 2160 @ 60Hz

Actuator

Driver

4-Position

Actuator

Flash

(23) (16)

ADDR

DATA

L/R

4K UHD DMD

(3)

1.8 V

TPS65145 or

DLPA300

DMD PMIC

3.3 V

PWM Driver

(3)

RGB_EN

(3)

RGB_PWM

XPR FPGA

DLPC4420

Controller

Secondary

Flash

DATA

JTAG

Flash

DDR3

Flash

DDR3

EPROM

CTRL

Flash

EPROM

12V

GPIO

DLPA100

Controller

PMIC

3.3V

1.8V

1.1V

CTRL

GPIO

12V

FPGA

Voltage

Regulators

3.3V

1.8V

1.15V

1.1V

2.5V

12V

DLPA100

Controller

PMIC

3.3V

1.8V

1.1V

CTRL

SPI

I2C

(23) (16)

ADDR

DATA

I2C

ADDR

DATA

2xLVDS

FE CTRL

USB CTRL

ACTUATOR CTRL

I2C

SPI

HBT

Figure 8-1. Typical 4K UHD LED Display Application

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DLPC4420

DLPS222 – DECEMBER 2021

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