Overview
The DLPA3000DPFDR is a highly integrated Power Management IC (PMIC) and high-current LED driver, designed by Texas Instruments. This device is optimized for use in DLP® Pico Projector systems, particularly those utilizing the DLP3010 (0.3 720p) DMD. It features a comprehensive set of power management and LED driving capabilities, making it an ideal solution for portable projector applications up to several hundred lumens.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | HTQFP-100 | - |
| Package Size | 14.00 mm × 14.00 mm | - |
| Number of Pins | 100 | - |
| LED Driver Current | Up to 6 A | A |
| Buck Converters | Five (including two for DLPC low-voltage supplies and one for DMD supplies) | - |
| LDOs | Two (predefined to 2.5 V and 3.3 V, up to 200 mA) | - |
| Programmable Current per Channel | 10-bit programmable | - |
| RGB MOSFET Switches | Very low on-resistance | - |
| Operating Voltage Range | VIN: -0.3 to 28 V (absolute maximum rating) | V |
Key Features
- High-efficiency, high-current RGB LED driver with integrated buck converter supporting up to 6 A LED driver current.
- RGB MOSFET switches with very low on-resistance for channel selection.
- 10-bit programmable current per channel.
- Inputs for selecting color-sequential RGB LEDs.
- Generation of DMD high-voltage supplies (VBIAS, VRST, VOFS).
- Two high-efficiency buck converters for DLPC low-voltage supplies and one for DMD supplies.
- One 8-bit programmable buck converter for FAN driver application or general power supply.
- Two LDOs supplying auxiliary voltages (2.5 V and 3.3 V, up to 200 mA).
- Analog MUX for measuring internal and external nodes such as a thermistor and reference levels.
- Monitoring and protections: thermal shutdown, hot die, low-battery, and undervoltage lockout (UVLO).
Applications
The DLPA3000DPFDR is primarily designed for use in portable DLP® Pico™ projectors, particularly those requiring high-efficiency power management and LED driving capabilities. It is suitable for accessory applications up to several hundred lumens.
Q & A
- What is the primary function of the DLPA3000DPFDR?
The DLPA3000DPFDR is a PMIC and high-current LED driver optimized for DLP® Pico Projector systems. - What is the maximum LED driver current supported by the DLPA3000DPFDR?
The device supports up to 6 A LED driver current. - How many buck converters does the DLPA3000DPFDR have?
The device includes five buck converters, with specific allocations for DLPC low-voltage supplies and DMD supplies. - What are the predefined voltages for the LDOs in the DLPA3000DPFDR?
The LDOs are predefined to 2.5 V and 3.3 V, each capable of supplying up to 200 mA. - What kind of protections does the DLPA3000DPFDR offer?
The device includes thermal shutdown, hot die protection, low-battery detection, and undervoltage lockout (UVLO). - What is the package type and size of the DLPA3000DPFDR?
The device is packaged in a HTQFP-100 package with dimensions of 14.00 mm × 14.00 mm. - How many pins does the DLPA3000DPFDR have?
The device has 100 pins. - Can the DLPA3000DPFDR be used for general power supply applications?
Yes, one of the buck converters can be used for general power supply or FAN driver applications. - What is the purpose of the analog MUX in the DLPA3000DPFDR?
The analog MUX is used for measuring internal and external nodes such as a thermistor and reference levels. - How is the DLPA3000DPFDR controlled?
All blocks of the DLPA3000DPFDR can be addressed through the SPI interface.
