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LP5569RTWR

In Stock: 4,800

Nine-channel I2C RGB LED driver with engine control and charge pump

Manufacturers:
Texas Instruments, Inc
Mfr.Part#:
LP5569RTWR
Datasheet:
LP5569RTWR Datasheet (PDF)
Package/Case:
WQFN-24
Product Type:
LED Drivers
RoHS:
Lifecycle:
Active
EDA/CAD Models:
Request Free CAD Models for LP5569RTWR

LP5569RTWR Information

Description

Here's a concise introduction to the LP5569RTWR: The LP5569RTWR is a versatile nine-channel I2C RGB LED driver from Texas Instruments, designed for synchronized illumination control in various applications. This device features advanced PWM dimming techniques, high-efficiency charge-pump technology, and a master fader control system, making it suitable for controlling LED lighting effects and providing customizable illumination options. The LP5569RTWR is particularly well-suited for use in automotive interiors, wearable devices, gaming peripherals, IoT devices, and smart home lighting systems. With its low power consumption mode activated, this device minimizes energy waste while delivering accurate current control and efficient driving capabilities. Overall, the LP5569RTWR offers a comprehensive solution for LED driver applications requiring synchronized illumination control and advanced features.

Package

The package type of LP5569RTWR is WQFN24.

Pinout

The LP5569RTWR has a pin count of 24 (WQFN24). The functions of each pin are:

VCC: Power supply input
GND: Ground
SCL: I2C clock line
SDA: I2C data line
EN: Enable input
INT: Interrupt output
FET1-9: Gate driver outputs for the nine LED channels
CPVCC: Charge pump power supply input
CPVSS: Charge pump ground

These pins allow the device to be controlled and monitored through an I2C interface, while also providing the necessary connections for driving the LED channels.

Manufacturer

The manufacturer of the LP5569RTWR is Texas Instruments (TI).

Applications

The LP5569RTWR is commonly used in applications such as automotive interiors, wearable devices, gaming peripherals, IoT devices, and smart home lighting. It's often applied for controlling LED lighting effects, providing customizable illumination options, and enhancing visual aesthetics in a wide range of electronic products.

Equivalent

The equivalent products to LP5569RTWR are other I2C RGB LED drivers with similar functionalities, such as:

NXP PCA9950A
Philips/ChipX1 A7293D
Maxim MAX7450

These devices offer similar features like synchronized LED illumination, accurate current control, and advanced PWM dimming techniques. However, it's essential to note that each company may have their unique product architecture and characteristics beyond just the I2C RGB LED driver functionality.

Specifications

Number of channels	9	LED current per channel (mA)	22.5
LED configuration	Parallel	Program memory	Yes
Topology	Charge pump, Current Sink	Programmable ramp control	Yes
Vin (min) (V)	2.5	Vin (max) (V)	5.5
Iout (max) (A)	0.23	Features	Analog/PWM mixed dimming, Constant current, Current control, Direct PWM dimming, I2C control, Power-save mode, Programmable lighting engines
Iq (typ) (mA)	0.002	Shutdown current (ISD) (typ) (µA)	0.2
Operating temperature range (°C)	-40 to 85	Rating	Catalog
Package/Case	WQFN-24

LP5569RTWR FAQs

1.Q: Are there related parts to the LP5569RTWR?

A: Similar devices include the LP55231 (12-channel driver) and LP5569 (same family with different packaging). Check TI’s portfolio for alternatives.

2.Q: What is the thermal resistance (θJA) of the LP5569RTWR?

A: The thermal resistance is typically ~30°C/W (junction-to-ambient) due to its WQFN package with an exposed thermal pad.

3.Q: How many LEDs can the LP5569RTWR drive per channel?

A: Each of the 9 channels can drive up to 160mA, supporting multiple LEDs per channel depending on their forward current requirements.

4.Q: What certifications does the LP5569RTWR comply with?

A: It is RoHS compliant, follows ECCN EAR99 regulations, and meets industrial temperature grade standards (-40°C to +85°C).

5.Q: What package does the LP5569RTWR use?

A: It comes in a 24-pin WQFN (HVQCCN) package with a square shape (4mm x 4mm) and no-lead terminals for surface mounting.

6.Q: What is the absolute maximum input voltage for the LP5569RTWR?

A: The absolute maximum input voltage is 6V. Exceeding this may damage the device. The recommended operating range is 2.5V–5.5V.

7.Q: What is the typical application circuit for the LP5569RTWR?

A: The typical circuit includes a microcontroller (for I²C control), input decoupling capacitors, and LED arrays connected to the 9 output channels. Refer to the datasheet for a detailed schematic.

8.Q: What are the key features of the LP5569RTWR LED driver?

A: The LP5569RTWR features a charge pump topology, 9 outputs (up to 160mA each), 1.25MHz switching frequency, and a wide input voltage range (2.5V–5.5V). It supports serial data input and is RoHS compliant.

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Quantity

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Ext. Price

$0.713

$0.71

10+

$0.633

$6.33

30+

$0.594

$17.82

100+

$0.555

$55.50

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$0.477

$238.50

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$0.465

$465.00

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