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ON Semiconductor - 24-channel LED Driver

Numéro de référence LV5239TA
Description 24-channel LED Driver
Fabricant ON Semiconductor 
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LV5239TA fiche technique
LV5239TA
Bi-CMOS LSI
24-channel LED Driver
Overview
The LV5239TA is a 24-channel LED driver IC that is capable of switching
between constant-current output and open drain output. It enables
2-wire/3-wire serial bus control (address designation) to be set arbitrarily
using an external pin. Also possible are 24-channel LED ON/OFF control
and the setting of the PWM luminance in 256 steps.
Up to 32 driver ICs can be connected using the slave address setting pins.
www.onsemi.com
TQFP48 EP 7x7, 0.5P
Function
24-channel output constant-current LED driver/open drain output LED driver (selected by using an external pin).
Supports separate ON/OFF setting for each LED output, high withstand voltage (VOUT<42V).
In the constant-current mode (OUTSCT: L), the reference current is set by the value of resistor connected to the
external pin (RT1).
Built-in D/A (3 bits) for switching current level … 6.40mA to 32.40mA (RGB drive).
Constant current (IO max=50mA) for full-color LEDs 24 channels.
In the open drain mode (OUTSCT: H), high current drive
(IO max=100mA) 24 channels
In the constant-current mode (OUTSCT: M)
Only RGB7, RGB8 is open drain (IO max=100mA)
Luminance adjustment using internal PWM control (256 steps), It copes with independent PWM control for each
LED output.
8-bit PWM luminance dimming (0% to 99.6%)
8-phase PWM
Selection of 2-wire/ 3-wire serial bus control signals enabled (switching using an external pin).
Schmitt trigger input (3.3V/5V)
Slave addressing (5 bits, connection of up to 32 driver ICs possible)
Input Power supply supports 12V
Internal reference output terminal (5V)
Low current consumption
Output malfunction protection circuits
(thermal protection function, UVLO detection protection function, Power on RESET)
ORDERING INFORMATION
See detailed ordering and shipping information on page 28 of this data sheet.
© Semiconductor Components Industries, LLC, 2016
February 2016 - Rev. 0
1
Publication Order Number :
LV5239TA/D

PagesPages 28
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