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DLPA3085PFD中文資料德州儀器數(shù)據(jù)手冊(cè)PDF規(guī)格書(shū)

DLPA3085PFD
廠商型號(hào)

DLPA3085PFD

功能描述

DLPA3085 PMIC and High-Current LED Driver IC

文件大小

3.2681 Mbytes

頁(yè)面數(shù)量

62 頁(yè)

生產(chǎn)廠商 Texas Instruments
企業(yè)簡(jiǎn)稱

TI1德州儀器

中文名稱

德州儀器官網(wǎng)

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更新時(shí)間

2024-12-23 11:16:00

DLPA3085PFD規(guī)格書(shū)詳情

1 Features

? High-efficiency, high-current RGB LED driver

? Drivers for external buck FETs up to 16A

? Drivers for external RGB switches

? 10-bit programmable current per channel

? Inputs for selecting color-sequential RGB LEDs

? Generation of DMD high voltage supplies

? Two high-efficiency buck converters to generate

the DLPC843x and DMD supply

? One high-efficiency, 8-bit programmable buck

converter for fan driver application or general

power supply. General purpose buck2 (PWR6) is

currently supported.

? Two LDOs supplying auxiliary voltages

? Analog MUX for measuring internal and external

nodes such as a thermistor and reference levels

? Monitoring/protections: thermal shutdown, hot die,

and undervoltage lockout (UVLO)

2 Applications

? Portable DLP? Pico? projectors

3 Description

The DLPA3085 is a highly integrated power

management IC optimized for DLP? Pico? Projector

systems. The DLPA3085 supports LED projectors

up to 16A per LED and up to 32A for series

LEDs, enabled by an integrated high efficiency

buck controller. Additionally, the drivers control the

RGB switches, supporting the sequencing of R, G,

and B LEDs. The DLPA3085 contains five buck

converters, two of which are dedicated for DLPC low

voltage supplies. Another dedicated regulating supply

generates the three timing-critical DC supplies for the

DMD: VBIAS, VRST, and VOFS.

The DLPA3085 contains several auxiliary blocks

which can be used in a flexible way. This enables

a tailor-made Pico Projector system. One 8-bit

programmable buck converter can be used, for

instance, to drive an RGB projector FAN or to make

auxiliary supply line. General purpose buck2 (PWR6)

is currently supported. Two LDOs can be used for a

lower-current supply, up to 200mA. These LDOs are

predefined to 2.5V and 3.3V.

Through the SPI, all blocks of the DLPA3085 can be

addressed. Features included are the generation of

the system reset, power sequencing, input signals

for sequentially selecting the active LED, IC selfprotections,

and an analog MUX for routing analog

information to an external ADC.

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TI
24+
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2067
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DLP
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3000
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TI
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3971
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TI
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nFBGA-256
16000
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TI
23+
N/A
8000
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TI
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961
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Texas Instruments
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9350
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6800
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