SLVSDP7A February   2017  – May 2017 DLPA1000

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 DMD Regulators
      2. 7.3.2 RGB Strobe Decoder
      3. 7.3.3 LED Current Control
        1. 7.3.3.1 LED Current Accuracy
        2. 7.3.3.2 Transient Current Limiting
      4. 7.3.4 Measurement System
      5. 7.3.5 Protection Circuits
        1. 7.3.5.1 Thermal Warning (HOT) and Thermal Shutdown (TSD)
        2. 7.3.5.2 Low Battery Warning (BAT_LOW) and Undervoltage Lockout (UVLO)
        3. 7.3.5.3 DMD Regulator Fault (DMD_FLT)
        4. 7.3.5.4 V6V Power-Good (V6V_PGF) Fault
        5. 7.3.5.5 VLED Over-Voltage (VLED_OVP) Fault
      6. 7.3.6 Interrupt Pin (INTZ)
      7. 7.3.7 Serial Peripheral Interface (SPI)
    4. 7.4 Device Functional Modes
    5. 7.5 Programming
      1. 7.5.1 Password Protected Registers
    6. 7.6 Register Maps
      1. 7.6.1  Chip ID (CHIPID) Register (address = 0x00h) [reset = A6h]
      2. 7.6.2  Enable (ENABLE) Register (address = 0x01h) [reset = 3h]
      3. 7.6.3  Switch Transient Current Limit (IREG) Register (address = 0x02h) [reset = 28h]
      4. 7.6.4  SW4 LED DC Regulation Current, MSB (SW4MSB) Register (address = 0x03h) [reset = 0h]
      5. 7.6.5  SW4 LED DC Regulation Current, LSB (SW4LSB) Register (address = 0x04h) [reset = 0h]
      6. 7.6.6  SW5 LED DC Regulation Current, MSB (SW5MSB) Register (address = 0x05h) [reset = 0h]
      7. 7.6.7  SW5 LED DC Regulation Current, LSB (SW5LSB) Register (address = 0x06h) [reset = 0h]
      8. 7.6.8  SW6 LED DC Regulation Current, MSB (SW6MSB) Register (address = 0x07h) [reset = 0h]
      9. 7.6.9  SW6 LED DC Regulation Current, LSB (SW6LSB) Register (address = 0x08h) [reset = 0h]
      10. 7.6.10 Analog Front End Control (AFE) Register (address = 0x0Ah) [reset = 0h]
      11. 7.6.11 Strobe Decode - Break Before Make Timing Control (BBM) Register (address = 0x0Bh) [reset = 0h]
      12. 7.6.12 Interrupt (INT) Register (address = 0x0Ch) [reset = X]
      13. 7.6.13 Interrupt Mask (MASK) Register (address = 0x0Dh) [reset = 0h]
      14. 7.6.14 Password (PASSWORD) Register (address = 0x10h) [reset = 0h]
      15. 7.6.15 System Configuration (SYSTEM) Register (address = 0x11h) [reset = 0h]
      16. 7.6.16 EEPROM User Register, Byte0 (BYTE0) (address = 0x20h) [reset = 0h]
      17. 7.6.17 EEPROM User Register, Byte1 (BYTE1) (address = 0x21h) [reset = 0h]
      18. 7.6.18 EEPROM User Register, Byte2 (BYTE2) (address = 0x22h) [reset = 0h]
      19. 7.6.19 EEPROM User Register, Byte3 (BYTE3) (address = 0x23h) [reset = 0h]
      20. 7.6.20 EEPROM User Register, Byte4 (BYTE4) (address = 0x24h) [reset = 0h]
      21. 7.6.21 EEPROM User Register, Byte5 (BYTE5) (address = 0x25h) [reset = 0h]
      22. 7.6.22 EEPROM User Register, Byte6 (BYTE6) (address = 0x26h) [reset = 0h]
      23. 7.6.23 EEPROM User Register, Byte7 (BYTE7) (address = 0x27h) [reset = 0h]
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 VLED Buck-Boost
          1. 8.2.2.1.1 Calculating Inductor Peak Current
        2. 8.2.2.2 DMD Supplies
        3. 8.2.2.3 LDOs and Digital Logic
      3. 8.2.3 Application Curve
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • YFF|49
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1 Features

  • High-Efficiency RGB LED Driver With Buck-Boost DC-to-DC Converter and Integrated MOSFETS
  • Six Low-Impedance (<100 mΩ) MOSFET Switches for Channel Selection
  • Independent, 10-Bit Current Control per Channel
  • DMD Regulators
    • Requires Only a Single Inductor
    • VOFS: 8.5 V
    • VBIAS: 16 V
    • VRST: –10 V
  • Reset Generation and Power Supply Sequencing
  • RGB LED Strobe Decoder Supports:
    • Common-Anode RGBs
    • Cathode-Cathode-Anode RGBs
  • 33-MHz Serial Peripheral Interface (SPI)
  • Multiplexer for Measuring Analog Signals
    • Battery Voltage
    • LED Voltage, LED Current
    • Light Sensor (for White Point Correction)
    • External Temperature Sensor
  • Monitoring and Protection Circuits
    • Hot Die Warning and Thermal Shutdown
    • Low-Battery and Undervoltage Lockout
    • Overcurrent and Undervoltage Protection
  • 49-Ball 0.4-mm Pitch, DSBGA Package

2 Applications

  • DLP® Pico™ Projector
  • Embedded Mobile Projection
    • Smartphone
    • Tablet
    • Camera
    • Laptop
  • Mobile Accessories
  • Wearable (Near-Eye) Displays
  • Battery-Operated Projectors

3 Description

DLPA1000 is a dedicated PMIC / RGB LED driver for the DLP2000 Digital Micromirror Devices (DMD) when used with a DLPC2607 digital controller. For reliable operation of these chipsets, it is mandatory to use the DLPA1000.

Device Information(1)

PART NUMBER PACKAGE BODY SIZE (NOM)
DLPA1000 DSBGA (49) 2.40 mm × 2.40 mm
  1. For all available packages, see the orderable addendum at the end of the data sheet.

Simplified Schematic

DLPA1000 DLPA1000_slvsdp7.gif