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DLPA3005 Datasheet(PDF) 1 Page - Texas Instruments

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No. de Pieza. DLPA3005
Descripción  PMIC and High-Current LED Driver IC
Descarga  75 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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DLPA3005 Datasheet(HTML) 1 Page - Texas Instruments

 
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OPTICS
FLASH
Projector Module
DC
SUPPLIES
CHARGER
HDMI
RECEIVER
VGA
FLASH,
SDRAM
KEYPAD
SD CARD
READER,
VIDEO
DECODER,
etc
SENSORS
DLPC3439
eDRAM
DLPA3005
ILLUMINATION
SUPPLIES
and
MONITORING
3x BUCK
CONVERTER
(GEN.PURP)
MEASUREMENT
SYSTEM
DIGITAL
CONTROL
FAN(S)
FRONT-
END
CHIP
- OSD
- Autolock
- Scaler
- Deinterlacer
- KS Corr
- uController
Processor
1080P
TRP-DMD
Buck 1.1V
Buck 1.8V
LDO 2.5V
CTRL / DATA
+
BAT
-
SYSPWR
DMD HIGH
VOLTAGE
GENERATION
DMD/DPP
BUCKS
LDO 3.3V
RESET_Z
AUX LDOs
External
Power
FETs
DLPC3439
eDRAM
FLASH
PROJ_ON
TI Device
Non-TI Device
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
DLPA3005
DLPS071 – OCTOBER 2015
DLPA3005 PMIC and High-Current LED Driver IC
1 Features
3 Description
The
DLPA3005
is
a
highly-integrated
power
1
High-Efficiency, High-Current RGB LED Driver
management IC optimized for DLP® Pico™ Projector
Drivers for External Buck FETs up to 16 A
systems. The DLPA3005 supports LED projectors up
Drivers for External RGB Switches
to 16 A per LED, enabled by an integrated high
efficiency buck controller. Additionally, the drivers
10-Bit Programmable Current per Channel
control the RGB switches, supporting the sequencing
Inputs for Selecting Color-Sequential RGB LEDs
of R, G, and B LEDs. The DLPA3005 contains five
Generation of DMD High Voltage Supplies
buck converters, two of which are dedicated for
DLPC
low
voltage
supplies.
Another
dedicated
Two High Efficiency Buck Converters to Generate
regulating supply generates the three timing-critical
the DLPC343x and DMD Supply
DC supplies for the DMD: VBIAS, VRST, and VOFS.
Three High Efficiency, 8-Bit Programmable Buck
Converters for FAN Driver Application or General
The DLPA3005 contains several auxiliary blocks
which can be used in a flexible way. This enables a
Power Supply. General Purpose Buck2 (PWR6
tailor-made
Pico
Projector
system.
Three
8-bit
currently supported, others may be available in
programmable buck converters can be used, for
the future)
instance, to drive rgb projector FANs or to make
Two LDOs Supplying Auxiliary Voltages
auxiliary
supply
lines.
General
Purpose
Buck2
Analog MUX for Measuring internal and external
(PWR6) currently supported, others may be available
nodes such as a thermistor and reference levels
in the future. Two LDOs can be used for a lower-
current supply, up to 200 mA. These LDOs are pre-
Monitoring/Protections: Thermal Shutdown, Hot
defined to 2.5 V and 3.3 V.
Die, Low-Battery, and Undervoltage Lockout
(UVLO)
Through the SPI, all blocks of the DLPA3005 can be
addressed. Features included are the generation of
the system reset, power sequencing, input signals for
2 Applications
sequentially
selecting
the
active
LED,
IC
self-
Portable DLP® Pico™ Projectors
protections, and an analog MUX for routing analog
information to an external ADC.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
DLPA3005
HTQFP (100)
14.00 mm × 14.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
System Block Diagram
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.


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