DLPA1000 Texas instruments

DLPA1000

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DLPA1000

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Описание

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.

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

Regulated outputs (#)	3
Vin (min) (V)	2.7
Vin (max) (V)	6
Iout (max) (A)	2.5
Rating	Catalog
Step-down DC/DC controller	0
Step-down DC/DC converter	0
Step-up DC/DC controller	0
Step-up DC/DC converter	1
LDO	2
Iq (typ) (mA)	12
Switching frequency (max) (kHz)	2250
Features	Enable pin, Overcurrent protection, Power sequencing, SPI control
Operating temperature range (°C)	-10 to 85
Processor name	DLP2000
Processor supplier	Texas Instruments
Shutdown current (ISD) (typ) (µA)	10
Switching frequency (typ) (kHz)	2250
Configurability	Factory programmable