DLPS071A
October 2015 – February 2023
DLPA3005
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
SPI Timing Parameters
7
Detailed Description
7.1
Overview
7.2
Functional Block Description
7.3
Feature Description
7.3.1
Supply and Monitoring
7.3.1.1
Supply
7.3.1.2
Monitoring
7.3.1.2.1
Block Faults
7.3.1.2.2
Auto LED Turn Off Functionality
7.3.1.2.3
Thermal Protection
7.3.2
Illumination
7.3.2.1
Programmable Gain Block
7.3.2.2
LDO Illumination
7.3.2.3
Illumination Driver A
7.3.2.4
RGB Strobe Decoder
7.3.2.4.1
Break Before Make (BBM)
7.3.2.4.2
Openloop Voltage
7.3.2.4.3
Transient Current Limit
7.3.2.5
Illumination Monitoring
7.3.2.5.1
Power Good
7.3.2.5.2
Ratio Metric Overvoltage Protection
7.3.2.6
Illumination Driver plus Power FETs Efficiency
7.3.3
External Power FET Selection
7.3.3.1
Threshold Voltage
7.3.3.2
Gate Charge and Gate Timing
7.3.3.3
RDS(ON)
7.3.4
DMD Supplies
7.3.4.1
LDO DMD
7.3.4.2
DMD HV Regulator
7.3.4.3
DMD/DLPC Buck Converters
7.3.4.4
DMD Monitoring
7.3.4.4.1
Power Good
7.3.4.4.2
Overvoltage Fault
7.3.5
Buck Converters
7.3.5.1
LDO Bucks
7.3.5.2
General Purpose Buck Converter
7.3.5.3
Buck Converter Monitoring
7.3.5.3.1
Power Good
7.3.5.3.2
Overvoltage Fault
7.3.5.4
Buck Converter Efficiency
7.3.6
Auxiliary LDOs
7.3.7
Measurement System
7.4
Device Functional Modes
7.5
Programming
7.5.1
SPI
7.5.2
Interrupt
7.5.3
Fast-Shutdown in Case of Fault
7.5.4
Protected Registers
7.6
Register Maps
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Component Selection for General-Purpose Buck Converters
8.2.3
Application Curve
8.3
System Example With DLPA3005 Internal Block Diagram
9
Power Supply Recommendations
9.1
Power-Up and Power-Down Timing
10
Layout
10.1
Layout Guidelines
10.1.1
SPI Connections
10.1.2
RLIM Routing
10.1.3
LED Connection
10.2
Layout Example
10.3
Thermal Considerations
11
Device and Documentation Support
11.1
Device Support
11.1.1
Device Nomenclature
11.2
Third-Party Products Disclaimer
11.3
Related Links
11.4
Receiving Notification of Documentation Updates
11.5
Support Resources
11.6
Trademarks
11.7
Electrostatic Discharge Caution
11.8
Glossary
12
Mechanical, Packaging, and Orderable Information
12.1
Package Option Addendum
Package Options
Mechanical Data (Package|Pins)
PFD|100
MPQF054B
Thermal pad, mechanical data (Package|Pins)
PFD|100
PPTD321
Orderable Information
dlps071a_oa
11
Device and Documentation Support