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

5 Pin Configuration and Functions

YFF
49-Pin DSBGA
Bottom View

Pin Functions

PIN I/O DESCRIPTION
NAME NO.
VINL A1 POWER Power supply input for VLED BUCK-BOOST power stage. Connect to system power.
VINL A2 POWER Power supply input for VLED BUCK-BOOST power stage. Connect to system power.
AGND1 A3 GND Analog ground. Connect to ground plane.
VINR A4 POWER Power supply input for DMD switch mode power supply. Connect to system power.
SWN A5 IN (A) Connection for the DMD SMPS-inductor (high-side switch).
PGNDR A6 GND Power ground for DMD SMPS. Connect to ground plane.
SWP A7 IN(A) Connection for the DMD SMPS-inductor (low-side switch).
L1 B1 IN (A) Connection for VLED BUCK-BOOST inductor.
L1 B2 IN(A) Connection for VLED BUCK-BOOST inductor.
RESETZ B3 OUT(D) Reset output to the DLP system (active low). Pin is held low to reset DLP system.
INTZ B4 OUT(D) Interrupt output signal (open drain). Connect to pull-up resistor or short to ground.
VSPI B5 POWER Power Supply input for SPI interface. Connect to system I/O voltage.
REF_VRST B6 IN(A) Reference pin for the VRST regulator. Connect to VRST rail through 100-kΩ resistor.
VBIAS B7 OUT(A) VBIAS output rail. Connect to ceramic capacitor.
PGNDL C1 GND Power ground for VLED BUCK-BOOST. Connect to ground plane.
PGNDL C2 GND Power ground for VLED BUCK-BOOST. Connect to ground plane.
SPI_CLK C3 IN(D) Clock input for SPI interface.
SPI_CSZ C4 IN(D) SPI chip select (active low).
SPI_DIN C5 IN(D) SPI data input.
SPI_DOUT C6 OUT(D) SPI data output.
VOFS C7 OUT(A) VOFS output rail. Connect to ceramic capacitor.
L2 D1 IN(A) Connection for VLED BUCK-BOOST inductor.
L2 D2 IN(A) Connection for VLED BUCK-BOOST inductor.
PWR_EN D3 OUT(D) Enable pin for the external power supplies (active high).
CMP_OUT D4 OUT(A) Analog-comparator output.
PWM_IN D5 IN(D) Reference voltage input for analog comparator.
DGND D6 GND Digital ground. Connect to ground plane.
AGND D7 GND Analog ground. Connect to ground plane.
VLED E1 OUT (A) VLED BUCK-BOOST converter output pin.
VLED E2 OUT(A) VLED BUCK-BOOST converter output pin.
LED_SEL1 E3 IN(D) Digital input to the RGB STROBE DECODER.
SENS1 E4 IN(A) Input signal from light sensor.
SENS2 E5 IN(A) Input signal from temperature sensor.
PROJ_ON E6 IN(D) Input signal to enable/disable the IC and DLP projector.
V2V5 E7 OUT (D) Internal supply filter pin for digital logic. Typical 2.45 V.
V6V F1 OUT(D) Internal supply filter pin for gate driver circuitry. Typical 6 V.
VLED F2 OUT(A) VLED BUCK-BOOST converter output pin.
LED_SEL0 F3 IN(D) Digital input to the RGB STROBE DECODER.
TEST F4 IN(D) Test pin for digital, must be tied to the output capacitor of V2V5.
RLIM_K F5 IN(A) Kelvin sense connection for LED current sense resistor. For best accuracy, route signal with a dedicated trace separated from F6/F7 and connect directly at sense resistor.
RLIM F6 OUT(A) Connection to LED current sense resistor. Connect to a 100-mΩ resistor.
RLIM F7 OUT(A) Connection to LED current sense resistor. Connect to pin F6.
SW1 G1 OUT(A) High-side MOSFET switch for LED anode. Connect to RGB LED assembly.
If output is not used, short to VLED.
SW2 G2 OUT(A) High-side MOSFET switch for LED anode. Connect to RGB LED assembly.
If output is not used, short to VLED.
SW3 G3 OUT(A) High-side MOSFET switch for LED anode. Connect to RGB LED assembly.
If output is not used, short to VLED.
VINA G4 POWER Power supply input for sensitive analog circuitry.
SW4 G5 OUT(A) Low-side MOSFET switch for LED cathode. Connect to RGB LED assembly.
SW5 G6 OUT(A) Low-side MOSFET switch for LED cathode. Connect to RGB LED assembly.
SW6 G7 OUT(A) Low-side MOSFET switch for LED cathode. Connect to RGB LED assembly.