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1 Features

1? High Efficiency RGB LED/Lamp Driver with Buck-

Boost 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

? 750-mA Max LED Current for DLPA2000

Embedded Applications

? On-Chip Motor Driver

? 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

– Supports up to 600-mA Output Current

? VLED Buck Boost Converter

– Power Save Mode at Light Load Current

? Low-Impedance Load Switch

– VIN Range from 1.8 V to 3.6 V

– Supports up to 200 mA of Current

– Passive Discharge to GND When Disabled

? DMD Reset Signal Generation and Power Supply

Sequencing

? 33-MHz Serial Peripheral Interface (SPI)

? Multiplexer for Measuring Analog Signals

– Battery Voltage

– LED Voltage, LED Current

– Light Sensor (for White Point Correction)

– Internal Reference Voltage

– External (Thermistor) Temperature Sensor

? Monitoring and Protection Circuits

– Hot Die Warning and Thermal

– Low-Battery Warning

– Programmable Battery Undervoltage Lockout

(UVLO)

– Load Switch UVLO

– Overcurrent and Undervoltage Protection

? DLPA2000 DSBGA Package

– 56-Ball 0.4-mm Pitch

– Die Size: 3.280 mm × 3.484 mm ± 0.03 mm

2 Applications

DLP? Display Projector

DLP? Mobile Sensing

3 Description

The DLPA2000 is a dedicated PMIC/RGB LED/lamp

driver for the DLP2010 and DLP2010NIR digital

micromirror devices (DMD) when used with a

DLPC3430, DLPC3435, or DLPC150 digital

controller. For reliable operation of these chipsets, it

is mandatory to use the DLPA2000.