EN

SDA

SCL

OUT0

OUT1

OUT11

MCU

VCC

GND

LP5012

ADDR0

OUT2

VLED

VCC

IREF

OUT10

OUT09

VCAP

ADDR1

CVCAP

RIREF

VMCU

CVCC

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Folder

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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. ADVANCE INFORMATION for pre-production products; subject to

change without notice.

LP5009, LP5012

SLVSEH2 – MAY 2019

LP50xx 9-, 12-Channel, 12-Bit PWM Ultra-low Quiescent Current

1

1 Features

1

•

Operating voltage range:

–

–

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

–

range

–

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

•

2 Applications

LED lighting, indicator lights, and fun lights for:

•

Smart speaker (with voice assistant)

•

Smart home appliances

•

Video doorbell

•

Electronic smart lock

•

Smoke and heat detector

•

STB and DVR

•

Smart router

•

Handheld device

3 Description

In smart homes and other applications that utilize

human-machine-interaction, high-performance RGB

LED drivers are required. LED animation effects such

as flashing, breathing, and chasing greatly improve

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.

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

LP5009

WQFN (20)

3.00 mm × 3.00 mm

LP5012

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Simplified Schematic