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LP5861T Datasheet (PDF) - Texas Instruments

LP5861T Datasheet PDF - Texas Instruments
Part # LP5861T
Download  LP5861T Download

File Size   3376.46 Kbytes
Page   56 Pages
Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments
Description LP5860T 11 × 18 LED High-Current Matrix Driver with 8-Bit Analog and 8-Bit or 16-Bit PWM Dimming

LP5861T Datasheet (PDF)

Go To PDF Page Download Datasheet
LP5861T Datasheet PDF - Texas Instruments

Part # LP5861T
Download  LP5861T Click to download

File Size   3376.46 Kbytes
Page   56 Pages
Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments
Description LP5860T 11 × 18 LED High-Current Matrix Driver with 8-Bit Analog and 8-Bit or 16-Bit PWM Dimming

LP5861T Datasheet (HTML) - Texas Instruments


LP5861T Product details

1 Features
• LED matrix topology:
– 18 constant current sinks with 11 scan switches
for 198 LED dots
– Configurable for 1 to 11 scan switches
• Operating voltage range:
– VCC/VLED range: 2.7 V to 5.5 V
– Logic pins compatible with 1.8 V, 3.3 V, and 5 V
• 18 constant current sinks with high precision:
– 100 mA per current sink when VCC ≥ 3.3 V
– Device-to-device error: ±5%
– Channel-to-channel error: ±5%
– Phase-shift for balanced transient power
• Ultra-low power consumption:
– Shutdown mode: ICC ≤ 1 uA when EN = Low
– Standby mode: ICC ≤ 10 uA when EN = High
and CHIP_EN = 0 (data retained)
– Active mode: ICC = 5 mA (typ.) when channel
current = 12.5 mA
• Flexible dimming options:
– Individual ON/OFF control for each LED dot
– Analog dimming (current gain control)
• Global 7-step Maximum Current (MC)
setting for all LED dots
• 3 groups of 7-bit Color Current (CC) setting
for red, green, and blue
• Individual 8-bit Dot Current (DC) setting for
each LED dot
– PWM dimming with audible-noise-free
frequency
• Global 8-bit PWM dimming for all LED dots
• 3 programmable groups of 8-bit PWM
dimming for LED dot arbitrary mapping
• Individual 8-bit or 16-bit PWM dimming for
each LED dot
• Full addressable SRAM to minimize data traffic
• Individual LED dot open/short detection
• De-ghosting and low brightness compensation
• Interface options:
– 1-MHz (max.) I2C interface when IFS = Low
– 12-MHz (max.) SPI interface when IFS = High

2 Applications
• LED animation and indication for:
– Major and smart home appliances
– Global RGB keyboard backlighting
– Outdoor keypad backlighting
– IR module for video surveillance and IP camera
– Laser diode in optical module

3 Description
The LP5860T is a high-current and high-performance
LED matrix driver. The device integrates 18 constant
current sinks with N (N = 6/8/11) switching MOSFETs
to support N × 18 LED dots or N × 6 RGB LEDs. The
LP5860T integrates 11 MOSFETs for up to 198 LED
dots or 66 RGB LEDs.
The LP5860T supports both analog dimming and
PWM dimming methods. For analog dimming, each
LED dot can be adjusted with 256 steps. For PWM
dimming, the integrated 8-bit or 16-bit configurable
PWM generators enable smooth and audible-noisefree
dimming control. Each LED dot can also be
arbitrarily mapped into 8-bit Group PWM to achieve
dimming control together.
The LP5860T device implements full addressable
SRAM to minimize the data traffic. The ghostcancellation
circuitry is integrated to eliminate both
upside and downside ghosting. The LP5860T also
supports LED open and short detection functions.
Both 1-MHz (maximum) I2C and 12-MHz (maximum)
SPI are available in LP5860T.




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About Texas Instruments


Texas Instruments (TI) is a publicly traded company that designs and manufactures semiconductor and computer technology products.

It was founded in 1930 and is headquartered in Dallas, Texas.

TI is a global leader in the production of analog and digital signal processing (DSP) integrated circuits, as well as embedded processors and other microcontroller products.

The company serves customers in a variety of industries, including automotive, communications, computing, industrial, and consumer electronics.

TI's product portfolio includes data converters, amplifiers and comparators, power management ICs, microcontrollers, sensors, and wireless connectivity solutions, among others.

TI is committed to innovation and customer satisfaction, and has a long history of delivering high-quality, reliable products to its customers.

With a focus on sustainability and energy efficiency, TI is dedicated to making a positive impact on the world through its technology and products.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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