DLPS289A
June 2025 – September 2025
DLP391TP
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
Storage Conditions
5.3
ESD Ratings
5.4
Recommended Operating Conditions
11
5.5
Thermal Information
5.6
Electrical Characteristics
5.7
Switching Characteristics
5.8
Timing Requirements
16
5.9
System Mounting Interface Loads
18
5.10
Micromirror Array Physical Characteristics
20
5.11
Micromirror Array Optical Characteristics
5.12
Window Characteristics
5.13
Chipset Component Usage Specification
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Power Interface
6.3.2
LPSDR Low-Speed Interface
6.3.3
High-Speed Interface
6.3.4
Timing
6.4
Device Functional Modes
6.5
Optical Interface and System Image Quality Considerations
6.5.1
Numerical Aperture and Stray Light Control
6.5.2
Pupil Match
6.5.3
Illumination Overfill
6.6
Micromirror Array Temperature Calculation
6.7
Micromirror Power Density Calculation
6.8
Window Aperture Illumination Overfill Calculation
6.9
Micromirror Landed-On/Landed-Off Duty Cycle
6.9.1
Definition of Micromirror Landed-On/Landed-Off Duty Cycle
6.9.2
Landed Duty Cycle and Useful Life of the DMD
6.9.3
Landed Duty Cycle and Operational DMD Temperature
6.9.4
Estimating the Long-Term Average Landed Duty Cycle of a Product or Application
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.3
Application Curve
7.3
Temperature Sensor Diode
8
Power Supply Recommendations
8.1
DMD Power Supply Power-Up Procedure
8.2
DMD Power Supply Power-Down Procedure
9
Layout
9.1
Layout Guidelines
10
Device and Documentation Support
10.1
Third-Party Products Disclaimer
10.2
Device Support
10.2.1
Device Nomenclature
10.2.2
Device Markings
10.3
Documentation Support
10.4
Support Resources
10.5
Trademarks
10.6
Electrostatic Discharge Caution
10.7
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
1
Features
0.39"
diagonal micromirror array
4K UHD (3840 × 2160) display resolution
4.5µm micromirror pitch
±14.5° micromirror tilt (relative to flat surface)
Side illumination
SubLVDS input data bus
Supports 4K UHD at 60Hz
Supports 1080p up to 240Hz
LED operation is supported by
DLPC8445V
display controller,
DLPA3085 / DLPA3082
power management IC (PMIC) and illumination driver