DLPA2005 Datasheet, PDF (1/55 Pages) Texas Instruments – Power Management and LED/Lamp Driver IC

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DLPA2005
DLPS047B – SEPTEMBER 2014 – REVISED OCTOBER 2015
DLPA2005 Power Management and LED/Lamp Driver IC
1 Features
• 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
• 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
– Supports up to 600-mA Output Current
• VLED Buck Boost Converter
– Power Save Mode at Light Load Current
• Low-Impedance Load Switch
– V_IN Range from 1.8 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
1
– 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
• DLPA2005 QFN Package
– 48-Pin 0.4-mm Pitch
– Die Size: 6.0 mm × 6.0 mm ± 0.15 mm
2 Applications
DLP^® Pico™ Projector
DLP^® Mobile Sensing
3 Description
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)
DLPA2005
VQFN (48)
6.00 mm × 6.00 mm
± 0.150 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
DC_IN
Charger
BAT
...
DC Supplies
2.3V-5.5V
On/Off
VDD
HDMI
HDMI
Receiver
VGA
Triple
ADC
FLASH,
SDRAM
Keypad
SD Card
Reader,
etc.
(optional)
CVBS
Other
Supplies
1.8V
Front-End
Chip
- OSD
- AutoLock
- Scaler
- uController
PROJ_ON
Keystone
Sensor
HOST_IRQ
Parallel I/F
28
I2C
TVP5151
Video
Decoder
BT.656
Projector Module Electronics
1.8V VSPI
SYSPWR
1.8V
1.1V
1.1V
Reg
L3
1.8V
Cal data
(optional)
EEPROM
1.8V
1.1V
PROJ_ON
VLED
GPIO_8 (Normal Park)
SPI_0
I2C_1
SPI_1
PARKZ
DLPC3430/
DLPC3435
eDRAM
VIO
VCC_INTF
VCC_FLSH
VCORE
4
FLASH
4
RESETZ
INTZ
LED_SEL(2)
CMP_PWM
CMP_OUT
DLPA2005
Current
L1
Sense
L2
RED
GREEN
BLUE
BIAS, RST, OFS
3
WPC
LABB
Illumination
Optics
Thermistor
Sub-LVDS DATA
CTRL
18
Spare R/W
GPIO
D(WLWPVV2GG0A1A0
DDDRMDDM) D
Included in DLP® Chip Set
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.