DLPS229
December 2022
DLP4621-Q1
ADVANCE INFORMATION
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
Storage Conditions
6.3
ESD Ratings
6.4
Recommended Operating Conditions
6.4.1
Illumination Overfill Diagram
6.5
Thermal Information
6.6
Electrical Characteristics
6.7
Timing Requirements
Electrical and Timing Diagrams
6.8
Switching Characteristics
6.8.1
LPSDR and Test Load Circuit Diagrams
6.9
System Mounting Interface Loads
System Interface Loads Diagram
6.10
Physical Characteristics of the Micromirror Array
6.10.1
Array Physical Characteristics Diagram
6.11
Micromirror Array Optical Characteristics
6.12
Window Characteristics
6.13
Chipset Component Usage Specification
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
SubLVDS Data Interface
7.3.2
Low Speed Interface for Control
7.3.3
DMD Voltage Supplies
7.3.4
Asynchronous Reset
7.3.5
Temperature Sensing Diode
7.3.5.1
Temperature Sense Diode Theory
7.4
System Optical Considerations
7.4.1
Numerical Aperture and Stray Light Control
7.4.2
Pupil Match
7.4.3
Illumination Overfill
7.5
DMD Image Performance Specification
7.6
Micromirror Array Temperature Calculation
7.6.1
Monitoring Array Temperature Using the Temperature Sense Diode
7.7
Micromirror Landed-On/Landed-Off Duty Cycle
7.7.1
Definition of Micromirror Landed-On/Landed-Off Duty Cycle
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Application Overview
8.2.2
Reference Design
8.2.3
Application Mission Profile Consideration
9
Power Supply Recommendations
9.1
Power Supply Power-Up Procedure
9.2
Power Supply Power-Down Procedure
9.3
Power Supply Sequencing Requirements
10
Layout
10.1
Layout Guidelines
11
Device and Documentation Support
11.1
Third-Party Products Disclaimer
11.2
Device Support
11.2.1
Device Nomenclature
11.2.2
Device Markings
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
DMD Handling
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
FQX|120
Thermal pad, mechanical data (Package|Pins)
Orderable Information
dlps229_oa
dlps229_pm
1
Features
Qualified for automotive applications
–40°C to 105°C operating DMD array temperature range
The
DLP4621-Q1
automotive chipset includes:
DLP4621-Q1
DMD
DLPC230-Q1
DMD controller
TPS99001-Q1
system management and illumination controller
0.46
-inch diagonal micromirror array
7.6-μm micromirror pitch
±12° micromirror tilt angle (relative to flat state)
Bottom
illumination enables high efficiency and smaller engine size
0.9
-megapixel array (
960
×
960
,
2
:1) enabling high resolution and wide aspect ratio automotive applications
Compatible with LED or laser illumination
600-MHz subLVDS DMD interface for low power and emission
10-kHz DMD refresh rate over temperature extremes
Built-in self test (BIST) of DMD memory cells