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DLPA2000 Power Management and LED/Lamp …

Product Order Technical Tools & Support &. Folder Now Documents Software Community DLPA2000 . DLPS043B JUNE 2014 REVISED FEBRUARY 2018. DLPA2000 Power Management and LED/Lamp Driver IC. 1 Features Battery Voltage 1 High Efficiency RGB LED/Lamp Driver with Buck- LED Voltage, LED Current Boost DC-to-DC Converter, DMD Supplies, DPP Light Sensor (for White Point Correction). Core Supply, Load Switch, and Internal Reference Voltage Measurement System in a Small Chip-Scale External (Thermistor) Temperature Sensor Package Monitoring and Protection Circuits Three Low-Impedance (30 m Typical at 27 C). MOSFET Switches for Channel Selection Hot Die Warning and Thermal Independent, 10-Bit Current Control per Channel Low-Battery Warning 750-mA Max LED Current for DLPA2000 Programmable Battery Undervoltage Lockout Embedded Applications (UVLO).

d c b a 1 52 3 4 e f 6 g 7 h sw5 rlim aout1 bout1 pgnd cm vcore sw4 led_ sel1 rlim_ k ls_in ls_ out vled sens1 sens2 proj_ on dgnd v2v5 l2 vspi cmp_ out pwm_ in …

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Transcription of DLPA2000 Power Management and LED/Lamp …

1 Product Order Technical Tools & Support &. Folder Now Documents Software Community DLPA2000 . DLPS043B JUNE 2014 REVISED FEBRUARY 2018. DLPA2000 Power Management and LED/Lamp Driver IC. 1 Features Battery Voltage 1 High Efficiency RGB LED/Lamp Driver with Buck- LED Voltage, LED Current Boost DC-to-DC Converter, DMD Supplies, DPP Light Sensor (for White Point Correction). Core Supply, Load Switch, and Internal Reference Voltage Measurement System in a Small Chip-Scale External (Thermistor) Temperature Sensor Package Monitoring and Protection Circuits Three Low-Impedance (30 m Typical at 27 C). MOSFET Switches for Channel Selection Hot Die Warning and Thermal Independent, 10-Bit Current Control per Channel Low-Battery Warning 750-mA Max LED Current for DLPA2000 Programmable Battery Undervoltage Lockout Embedded Applications (UVLO).

2 On-Chip Motor Driver Load Switch UVLO. DMD Regulators Overcurrent and Undervoltage Protection Requires Only a Single Inductor DLPA2000 DSBGA Package VOFS: 10 V 56-Ball Pitch VBIAS: 18 V Die Size: mm mm mm VRST: 14 V. 2 Applications Passive Discharge to GND When Disabled DLP Display Projector DPP Core Supply DLP Mobile Sensing Synchronous Step-Down Converter with Integrated Switching FETs 3 Description Supports up to 600-mA Output Current The DLPA2000 is a dedicated PMIC/RGB LED/Lamp VLED Buck Boost Converter driver for the DLP2010 and DLP2010 NIR digital Power Save Mode at Light Load Current micromirror devices (DMD) when used with a DLPC3430, DLPC3435, or DLPC150 digital Low-Impedance Load Switch controller.

3 For reliable operation of these chipsets, it VIN Range from V to V is mandatory to use the DLPA2000 . Supports up to 200 mA of Current Device Information(1). Passive Discharge to GND When Disabled PART NUMBER PACKAGE BODY SIZE (NOM). DMD Reset Signal Generation and Power Supply mm mm Sequencing DLPA2000 DSBGA (56). mm 33-MHz Serial Peripheral Interface (SPI) (1) For all available packages, see the orderable addendum at Multiplexer for Measuring Analog Signals the end of the data sheet. Figure 1. Simplified Schematic DC_IN Charger BAT. +.. to V Projector Module Electronics DC Supplies V VSPI. V. V. On/Off Other V. Reg L3. Supplies SYSPWR. VDD. V. V. HDMI VLED. HDMI. PROJ_ON PROJ_ON. Receiver Current L1 Sense VGA.

4 Triple Keystone GPIO_8 (Normal Park). DLPA2000 . ADC Sensor Cal data 4. SPI_0 FLASH L2. (optional). Front-End EEPROM 4 RED. SPI_1. Chip RESETZ GREEN. FLASH, - OSD HOST_IRQ I2C_1 INTZ BLUE. SDRAM - AutoLock PARKZ. - Scaler BIAS, RST, OFS. LED_SEL(2) 3. -MicroController CMP_PWM WPC Illumination DLPC3430/ Optics Keypad Parallel I/F DLPC3435 LABB. 28 CMP_OUT. eDRAM. I2C DLP2010. WVGA. SD Card (WVGA. Thermistor DDR DMD. Reader, and Sub-LVDS DATA DMD). so forth V VIO CTRL. (optional). VCC_INTF. VCC_FLSH 18 Spare R/W. V VCORE GPIO. CVBS TVP5151 Video Decoder Included in DLP Chip Set GND. 1. An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers.

5 PRODUCTION DATA. DLPA2000 . DLPS043B JUNE 2014 REVISED FEBRUARY 2018 Table of Contents 1 Features .. 1 Device Functional 27. 2 Applications .. 1 Register Maps .. 29. 3 Description .. 1 8 Application and Implementation .. 41. 4 Revision 2 Application 41. Typical Projector Application .. 41. 5 Pin Configuration and Functions .. 3. Typical Mobile Sensing Application .. 43. 6 5. Absolute Maximum Ratings .. 5 9 Power Supply 46. Storage 5 10 47. ESD 5 Layout Guidelines .. 47. Recommended Operating 5 Layout Example .. 48. Thermal Information .. 6 11 Device and Documentation Support .. 49. Electrical 6 Device Support .. 49. Motor Driver Timing Requirements .. 11 Related Links .. 49. Data Transmission Timing 12 Community 49.

6 Typical Characteristics .. 13 Trademarks .. 49. 7 Detailed Description .. 14 Electrostatic Discharge Caution .. 50. Overview .. 14 Glossary .. 50. Functional Block Diagram .. 15 12 Mechanical, Packaging, and Orderable Feature 16 Information .. 51. 4 Revision History Changes from Revision A (August 2015) to Revision B Page Fixed body size dimension typo in Device Information, corrected mm2 to 1. Added missing history tags to Revision A that were not 1. Corrected package family to 'DSBGA' in Pin Functions Diagram, originally labeled as 'DSGBA' .. 3. Added mechanical package designator YFF to Thermal Information .. 6. Changed layout example to show correct image in Figure 46 .. 48. Changes from Original (June 2014) to Revision A Page Changed max current to 750 mA.

7 1. Added Mobile Sensing application .. 1. Added typical Mobile sensing application .. 43. Updated the Power Supply Recommendations to remove information that did not apply to the DLPA2000 .. 46. 2 Submit Documentation Feedback Copyright 2014 2018, Texas Instruments Incorporated Product Folder Links: DLPA2000 . DLPA2000 . DLPS043B JUNE 2014 REVISED FEBRUARY 2018. 5 Pin Configuration and Functions YFF PACKAGE. 56-PIN DSBGA. BOTTOM VIEW. H SW6 RLIM V6V AOUT2 VINM VINC SWC. RBOT_ PGND. G SW5 RLIM. K. AOUT1 BOUT2 VCORE. CM. RLIM_ LED_ LED_ LS_. SW4 BOUT1 LS_IN. F K SEL1 SEL0 OUT. PROJ_. VLED VLED SENS1 SENS2 DGND V2V5. E ON. CMP_ PWM_. L2 L2 VSPI AGND VINA. D OUT IN. SPI_ SPI_ SPI_ SPI_. PGNDL PGNDL VOFS.

8 C CLK CSZ DIN DOUT. RESET CNTR_ REF_. L1 L1 INTZ VBIAS. B Z VRST VRST. VINL VINL AGND1 VINR SWN PGNDR SWP. A. 1 2 3 4 5 6 7. Pin Functions PIN. I/O DESCRIPTION. NAME NUMBER. A1. VINL I Power supply input for VLED BUCK-BOOST Power stage. Connect to system Power . A2. AGND1 A3 GND Analog ground. Connect to ground plane. VINR A4 I Power supply input for DMD switch mode Power supply (SMPS). Connect to system Power . SWN A5 I Connection for the DMD SMPS-inductor (high-side switch). PGNDR A6 GND Power ground for DMD SMPS. Connect to ground plane. SWP A7 O Connection for the DMD SMPS-inductor (low-side switch). B1. L1 O Connection for VLED BUCK-BOOST inductor. B2. RESETZ B3 O Reset output to the DLP system (active low).

9 Pin is held low to reset DLP system. INTZ B4 O Interrupt output signal (open drain). Connect to pull-up resistor or short to ground. CNTR_VRST B5 O Connection to VRST for fast discharge function. REF_VRST B6 I Reference pin for the VRST regulator. Connect to VRST rail through 100-k resistor. VBIAS B7 O VBIAS output rail. Connect to ceramic capacitor. C1. PGNDL GND Power ground for VLED BUCK-BOOST. Connect to ground plane. C2. SPI_CLK C3 I Clock input for SPI interface. SPI_CSZ C4 I SPI chip select (active low). SPI_DIN C5 I SPI data input. Copyright 2014 2018, Texas Instruments Incorporated Submit Documentation Feedback 3. Product Folder Links: DLPA2000 . DLPA2000 . DLPS043B JUNE 2014 REVISED FEBRUARY 2018 Pin Functions (continued).

10 PIN. I/O DESCRIPTION. NAME NUMBER. SPI_DOUT C6 O SPI data output. VOFS C7 O VOFS output rail. Connect to ceramic capacitor. D1. L2 I Connection for VLED BUCK-BOOST inductor. D2. VSPI D3 I Power supply input for SPI interface. Connect to system I/O voltage. CMP_OUT D4 O Analog-comparator output. PWM_IN D5 I Reference voltage input for analog comparator. AGND D6 GND Analog ground. Connect to ground plane. VINA D7 Power Power supply input for sensitive analog circuitry. E1. VLED O VLED BUCK-BOOST converter output pin. E2. SENS1 E3 I Input signal from light sensor. SENS2 E4 I Input signal from temperature sensor. PROJ_ON E5 I Input signal to enable or disable the IC and DLP projector. DGND E6 GND Digital ground.


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