DLPS047B
September 2014 – October 2015
DLPA2005
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Data Transmission Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
DMD Regulators
7.3.2
RGB Strobe Decoder
7.3.3
LED Current Control
7.3.4
Maximum Led Currents and Efficiency Considerations
7.3.5
Calculating Inductor Peak Current
7.3.6
LED Current Accuracy
7.3.7
Transient Current Limiting
7.3.8
1.1-V Regulator (Buck Converter)
7.3.9
Measurement System
7.3.10
Protection Circuits
7.3.10.1
Thermal Warning (HOT) and Thermal Shutdown (TSD)
7.3.10.2
Low Battery Warning (BAT_LOW) and Undervoltage Lockout (UVLO)
7.3.10.3
DMD Regulator Fault (DMD_FLT)
7.3.10.4
V6V Power-Good (V6V_PGF) Fault
7.3.10.5
VLED Overvoltage (VLED_OVP) Fault
7.3.10.6
VLED Power Save Mode
7.3.10.7
V1V8 PG Failure
7.3.10.8
Interrupt Pin (INTZ)
7.3.10.9
SPI
7.3.11
Password Protected Registers
7.4
Device Functional Modes
7.5
Register Maps
8
Application and Implementation
8.1
Application Information
8.2
Typical Projector Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
8.3
Typical Mobile Sensing Application
8.3.1
Design Requirements
8.3.2
Detailed Design Procedure
8.3.2.1
Dlpc150 System Interfaces
8.3.2.1.1
Control Interface
8.3.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Thermal Considerations
11
Device and Documentation Support
11.1
Device Support
11.1.1
Device Nomenclature
11.2
Trademarks
11.3
Electrostatic Discharge Caution
11.4
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RSL|48
MPQF193B
Thermal pad, mechanical data (Package|Pins)
RSL|48
QFND155O
Orderable Information
dlps047b_oa
dlps047b_pm