Home Power management LED drivers RGB LED drivers
Home
Power management
LED drivers
RGB LED drivers

LP5012

ACTIVE

12-channel I2C constant-current RGB LED driver

Order now
Data sheet

LP5012

ACTIVE
Data sheet Order now

Product details

Number of channels 12 LED current per channel (mA) 35 LED configuration Parallel Program memory No Topology Current Sink Programmable ramp control No Vin (min) (V) 2.7 Vin (max) (V) 5.5 Iout (max) (A) 0.035 Features I2C control Iq (typ) (mA) 0.01 Shutdown current (ISD) (typ) (µA) 1 Operating temperature range (°C) -40 to 85 Rating Catalog
Number of channels 12 LED current per channel (mA) 35 LED configuration Parallel Program memory No Topology Current Sink Programmable ramp control No Vin (min) (V) 2.7 Vin (max) (V) 5.5 Iout (max) (A) 0.035 Features I2C control Iq (typ) (mA) 0.01 Shutdown current (ISD) (typ) (µA) 1 Operating temperature range (°C) -40 to 85 Rating Catalog
TSSOP (PW) 24 49.92 mm² 7.8 x 6.4 WQFN (RUK) 20 9 mm² 3 x 3
  • Operating voltage range:
    • VCC range: 2.7 V to 5.5 V
    • EN, SDA, and SCL pins compatible with 1.8-V, 3.3-V, and 5-V power rails
    • Output maximum voltage: 6 V
  • 12 Constant-current sinks with high precision
    • 25.5 mA Maximum per channel with VCC in full range
    • 35 mA Maximum per channel when VCC ≥ 3.3 V
    • Device-to-device error: ±5%; channel-to-channel error: ±5%
  • Ultra-low quiescent current:
    • Shutdown mode: 1 µA (maximum) with EN low
    • Power-saving mode: 10 µA (typical) with EN high and all LEDs off for > 30 ms
  • Integrated 12-bit, 29-kHz PWM generator for each channel:
    • Independent color-mixing register per channel
    • Independent brightness-control register per RGB LED module
    • Optional logarithmic- or linear-scale brightness control
    • Integrated 3-phase PWM-shifting scheme
  • 3 Programmable banks (R, G, B) for easy software control of each color
  • 2 External hardware address pins allow connecting up to 4 devices
  • Broadcast slave address allows configuring multiple devices simultaneously
  • Auto-increment allows writing or reading consecutive registers within one transmission
  • Up to 400-kHz fast-mode I2C speed
  • Operating voltage range:
    • VCC range: 2.7 V to 5.5 V
    • EN, SDA, and SCL pins compatible with 1.8-V, 3.3-V, and 5-V power rails
    • Output maximum voltage: 6 V
  • 12 Constant-current sinks with high precision
    • 25.5 mA Maximum per channel with VCC in full range
    • 35 mA Maximum per channel when VCC ≥ 3.3 V
    • Device-to-device error: ±5%; channel-to-channel error: ±5%
  • Ultra-low quiescent current:
    • Shutdown mode: 1 µA (maximum) with EN low
    • Power-saving mode: 10 µA (typical) with EN high and all LEDs off for > 30 ms
  • Integrated 12-bit, 29-kHz PWM generator for each channel:
    • Independent color-mixing register per channel
    • Independent brightness-control register per RGB LED module
    • Optional logarithmic- or linear-scale brightness control
    • Integrated 3-phase PWM-shifting scheme
  • 3 Programmable banks (R, G, B) for easy software control of each color
  • 2 External hardware address pins allow connecting up to 4 devices
  • Broadcast slave address allows configuring multiple devices simultaneously
  • Auto-increment allows writing or reading consecutive registers within one transmission
  • Up to 400-kHz fast-mode I2C speed

In smart homes and other applications that use human-machine-interaction, high-performance RGB LED drivers are required. LED animation effects such as flashing, breathing and chasing that greatly improves user experience, and minimal system noise is essential.

The LP50xx device is an 9- or 12-channel constant current sink LED driver. The LP50xx device includes integrated color mixing and brightness control, and pre-configuration simplifies the software coding process. Integrated 12-bit, 29-kHz PWM generators for each channel enable smooth, vivid color for LEDs, and eliminate audible noise.

The LP50xx device controls each LED output with a 12-bit PWM resolution at 29-kHz switching frequency, which helps achieve a smooth dimming effect and eliminates audible noise. The independent color mixing and intensity control registers make the software coding straightforward. When targeting a fade-in, fade-out type breathing effect, the global R, G, B bank control reduces the microcontroller loading significantly. The LP50xx device also implements a PWM phase-shifting function to help reduce the input power budget when LEDs turn on simultaneously.

The LP50xx device implements an automatic power-saving mode to achieve ultra-low quiescent current. When channels are all off for 30 ms, the device total power consumption is down to 10 µA, which makes the LP50xx device a potential choice for battery-powered end equipment.

In smart homes and other applications that use human-machine-interaction, high-performance RGB LED drivers are required. LED animation effects such as flashing, breathing and chasing that greatly improves user experience, and minimal system noise is essential.

The LP50xx device is an 9- or 12-channel constant current sink LED driver. The LP50xx device includes integrated color mixing and brightness control, and pre-configuration simplifies the software coding process. Integrated 12-bit, 29-kHz PWM generators for each channel enable smooth, vivid color for LEDs, and eliminate audible noise.

The LP50xx device controls each LED output with a 12-bit PWM resolution at 29-kHz switching frequency, which helps achieve a smooth dimming effect and eliminates audible noise. The independent color mixing and intensity control registers make the software coding straightforward. When targeting a fade-in, fade-out type breathing effect, the global R, G, B bank control reduces the microcontroller loading significantly. The LP50xx device also implements a PWM phase-shifting function to help reduce the input power budget when LEDs turn on simultaneously.

The LP50xx device implements an automatic power-saving mode to achieve ultra-low quiescent current. When channels are all off for 30 ms, the device total power consumption is down to 10 µA, which makes the LP50xx device a potential choice for battery-powered end equipment.
open-in-new Find other RGB LED drivers
Download View video with transcript Video

Technical documentation

star =Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 9
Type Title Date
* Data sheet LP50xx 9-, 12-Channel, 12-Bit PWM Ultra-low Quiescent Current I2C RGB LED Drivrs datasheet (Rev. B) 21 Aug 2020
More literature Common LED Functions and LED Driver Design Considerations 21 Sep 2020
Technical article Overcoming common design challenges in an UV sterilization box system 27 Jul 2020
More literature System Design Guidelines for Full-Color RGB LED Matrix Based on LP50xx Device 08 Apr 2020
More literature How to Select a RGB LED Driver 08 Aug 2019
EVM User's guide LP5012EVM User's Guide 08 May 2019
Technical article Here's how body electronics and lighting technology are changing the driving experience 26 Sep 2016
Technical article LED brightness adjustment: high-frequency PWM dimming 26 Aug 2016
Technical article Take better selfies with innovative LED flashes 18 Nov 2014

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

LP5012EVM — LP5012EVM, 12-bit PWM ultralow quiescent current I2C RGB LED driver evaluation module, suitable for

The LP5012EVM (evaluation module) helps the user evaluate the features of the Texas Instruments LP5012, whichis an I2C bus-controlled, 12-channel, constant-current LED driver. The user’s guide includes set-up instructions, a schematic diagram, a bill of materials, printed-circuit board layout (...)
User guide: PDF
Not available on TI.com
GUI for evaluation module (EVM)

LP50EVM GUI (Rev. A)

SLVC713A.ZIP (86539 KB)
Download
Simulation model

LP5012 UNENCRYPTED PSPICE TRANSIENT ENCRYPTED MODEL PACKAGE (Rev. B)

SLVMD46B.ZIP (85 KB) - PSpice Model
Download
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Request
Package Pins Download
TSSOP (PW) 24 View options
WQFN (RUK) 20 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

Support & training

TI E2E™ forums with technical support from TI engineers

View all forum topics

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos