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STP24DP05BTR Datasheet

  • STP24DP05BTR

  • 24-bit constant current LED sink driver with output error de...

  • 471.79KB

  • 26頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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STP24DP05
24-bit constant current
LED sink driver with output error detection
Features
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Low voltage power supply down to 3 V
8 x 3 constant current output channels
Adjustable output current through external
resistors
Short and open output error detection
Serial data IN/Parallel data OUT
Shift register data flow registers control
Accepts 3.3 V and 5 V micro driver
Output current: 5-80 mA
25 MHz clock frequency
High thermal efficiency package
TQFP48
The data detection results are loaded in the shift
registers and shifted out via the serial line output.
The detection functionality is activated with a
dedicated pin or as alternative, through a logic
sequence that allows the user to enter or exit from
detection mode.
Through three external resistors, users can adjust
the output current for each 8-channel group,
controlling in this way the light intensity of LEDs.
The STP24DP05 guarantees a 20 V output
driving capability, allowing users to connect more
LEDs in series.
The high clock frequency, 25 MHz, makes the
device suitable for high data rate transmission.
The 3.3 V of voltage supply is useful for
applications that interface any micro from 3.3 V.
Description
The STP24DP05 is a monolithic, low voltage, low
current power 24-bit shift register designed for
LED panel displays. The device contains a
8 x 3-bit serial-in, parallel-out shift register that
feeds a 8 x 3-bit D-type storage register. In the
output stage, twenty-four regulated current
sources were designed to provide 5-80 mA
constant current to drive the LEDs.
The 8x3 shift registers data flow sequence order
can be managed with two dedicated pins.
The STP24DP05 has a dedicated pin to activate
the outputs with a sequential delay, that will
prevent inrush current during outputs turn-ON.
The device detection circuit checks 3 different
conditions that can occur on the output line: short
to GND, short to V
O
or open line.
Table 1.
Device summary
Order code
STP24DP05BTR
Package
TQFP48
Packaging
Tape and reel
May 2008
Rev 1
1/26
www.st.com
26

STP24DP05BTR 產(chǎn)品屬性

  • STP24DP05 View All Specifications

  • 1

  • 集成電路 (IC)

  • PMIC - LED 驅(qū)動(dòng)器

  • -

  • 是

  • -

  • 24

  • 是

  • 通用

  • RGB

  • 25MHz

  • 3 V ~ 5.5 V

  • 20V

  • 表面貼裝

  • 48-TQFP 裸露焊盤

  • 48-TQFP 裸露焊盤（7x7）

  • Digi-Reel®

  • -40°C ~ 125°C

  • 497-8490-ND - BOARD EVAL STP24DP05/STM32 BASED

  • 497-8283-6

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