DLPA1000 Datasheet, PDF (1/47 Pages) Texas Instruments – Power Management and LED Driver IC

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DLPA1000 Power Management and LED Driver IC
DLPA1000
SLVSDP7 – FEBRUARY 2017
1 Features
•1 High-Efficiency RGB LED Driver With Buck-Boost
DC-to-DC Converter and Integrated MOSFETS
• Six Low-Impedance (<100 mΩ) MOSFET
Switches for Channel Selection
• Independent, 10-Bit Current Control per Channel
• DMD Regulators
– Requires Only a Single Inductor
– VOFS: 8.5 V
– VBIAS: 16 V
– VRST: –10 V
• Reset Generation and Power Supply Sequencing
• RGB LED Strobe Decoder Supports:
– Common-Anode RGBs
– Cathode-Cathode-Anode RGBs
• 33-MHz Serial Peripheral Interface (SPI)
• Multiplexer for Measuring Analog Signals
– Battery Voltage
– LED Voltage, LED Current
– Light Sensor (for White Point Correction)
– External Temperature Sensor
• Monitoring and Protection Circuits
– Hot Die Warning and Thermal Shutdown
– Low-Battery and Undervoltage Lockout
– Overcurrent and Undervoltage Protection
• 49-Ball 0.4-mm Pitch, DSBGA Package
2 Applications
• DLP^® Pico™ Projector
3 Description
DLPA1000 is a dedicated PMIC / RGB LED driver for
the DLP2000 Digital Micromirror Devices (DMD)
when used with a DLPC2607 digital controller. For
reliable operation of these chipsets, it is mandatory to
use the DLPA1000.
Device Information⁽¹⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
DLPA1000
DSBGA (49)
2.40 mm × 2.40 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Simplified Schematic
Main System
Processor
(MPU)
DLPC2607
Pico Processor
RESETZ
INTZ
SPI (4)
LED_SEL0
LED_SEL1
PWM_IN
CMP_OUT
DPP
Power Supplies
PWR_EN
DLPA1000
VBIAS
VOFS
VRST
DLP2000
DMD
VLED
SW4
SW5
SW6
VINA
RGB LED
Assembly
Single Cell Li-Ion
Light
Sensor
Temp.
Sensor
Copyright © 2017, Texas Instruments Incorporated
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. PRODUCTION DATA.