Overview
The DLPA3005DPFDR, produced by Texas Instruments, is a highly-integrated power management IC (PMIC) and high-current LED driver optimized for DLP Pico™ Projector systems. This component is designed to support LED projectors with high efficiency and high current capabilities, making it ideal for portable DLP Pico projectors. The DLPA3005 integrates multiple functions, including high-efficiency buck converters, RGB LED drivers, and various auxiliary blocks, enabling a flexible and tailor-made projector system.
Key Specifications
| Specification | Value | Unit |
|---|---|---|
| Input Voltage Range | 6 to 20 | V |
| Ambient Temperature Range | 0 to 70 | °C |
| Operating Junction Temperature | 0 to 120 | °C |
| Current per Channel (RGB LEDs) | Up to 16 A per LED, up to 32 A for series LEDs | A |
| Programmable Current Resolution | 10-bit | |
| Buck Converters | Five high-efficiency buck converters | |
| LDOs | Two LDOs (2.5 V and 3.3 V) | |
| Package Type | HTQFP (100 pins) | |
| Package Size | 14.00 mm × 14.00 mm | mm |
Key Features
- High-efficiency, high-current RGB LED driver
- Drivers for external buck FETs up to 16 A and external RGB switches
- 10-bit programmable current per channel
- Inputs to select color-sequential RGB LEDs
- Generation of DMD high voltage supplies (VBIAS, VRST, VOFS)
- Two high-efficiency buck converters for DLPC and DMD supplies
- One high-efficiency, 8-bit programmable buck converter for fan driver or general power supply
- Two LDOs supplying auxiliary voltages (2.5 V and 3.3 V)
- Analog MUX for measuring internal and external nodes
- Monitoring and protections: thermal shutdown, hot die, and undervoltage lockout (UVLO)
- SPI interface for addressing all blocks of the IC
- Power sequencing and system reset generation
Applications
The DLPA3005DPFDR is primarily used in portable DLP Pico™ Projector systems. It supports the high current and efficiency requirements of these projectors, making it an ideal choice for compact and portable projector designs.
Q & A
- What is the primary function of the DLPA3005DPFDR?
The DLPA3005DPFDR is a highly-integrated power management IC and high-current LED driver optimized for DLP Pico™ Projector systems.
- What is the maximum current supported by the DLPA3005DPFDR for RGB LEDs?
The DLPA3005DPFDR supports up to 16 A per LED and up to 32 A for series LEDs.
- How many buck converters does the DLPA3005DPFDR contain?
The DLPA3005DPFDR contains five high-efficiency buck converters.
- What are the predefined voltages for the LDOs in the DLPA3005DPFDR?
The LDOs are predefined to 2.5 V and 3.3 V.
- What interface is used to address all blocks of the DLPA3005DPFDR?
The SPI interface is used to address all blocks of the DLPA3005DPFDR.
- What kind of protections does the DLPA3005DPFDR include?
The DLPA3005DPFDR includes thermal shutdown, hot die protection, and undervoltage lockout (UVLO).
- What is the package type and size of the DLPA3005DPFDR?
The DLPA3005DPFDR comes in an HTQFP package with 100 pins and measures 14.00 mm × 14.00 mm.
- Can the DLPA3005DPFDR be used for other applications besides DLP Pico projectors?
While it is optimized for DLP Pico projectors, the flexibility of the DLPA3005DPFDR allows it to be used in other high-current LED driver applications, but it is primarily designed for projector systems.
- How does the DLPA3005DPFDR manage power sequencing?
The DLPA3005DPFDR includes features for power sequencing and system reset generation, ensuring proper startup and shutdown of the system.
- What is the purpose of the analog MUX in the DLPA3005DPFDR?
The analog MUX is used for measuring internal and external nodes such as a thermistor and reference levels, routing this information to an external ADC.
