DLPA2005 - Texas Instruments

DLPA2005 Power Management and LED/Lamp Driver

DLPA2005 is a dedicated PMIC/RGB LED/Lamp driver for the DLP2010, DLP2010NIR and DLP3010 Digital Micromirror Devices (DMD) when used with a DLPC3430, DLPC3433, DLPC3435, DLCP3438, or DLPC150 digital controller. For reliable operation of these chipsets it is mandatory to use a DLPA2000 or DLPA2005. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM).

Features

• High Efficiency RGB LED/Lamp Driver With BuckBoost DC-to-DC Converter, DMD Supplies, DPP Core Supply, 1.8-V Load Switch, and Measurement System in a Small Chip-Scale Package
• Three Low-Impedance (30 mΩ Typical at 27°C) MOSFET Switches for Channel Selection
• Independent, 10-Bit Current Control per Channel
• 2.4-A Max LED Current for DLPA2005 Embedded Applications
• DMD Regulators
  – Requires Only a Single Inductor
  – VOFS: 10 V
  – VBIAS: 18 V
  – VRST:
  –14 V
  – Passive Discharge to GND When Disabled
• DPP 1.1-V Core Supply
  – Synchronous Step-Down Converter With Integrated Switching FETs
  – Support.