What is the Additional Feature ?

Name: LP8869QPWPRQ1
Brand: Texas Instruments
SKU: LP8869QPWPRQ1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments LP8869QPWPRQ1

Part No.:: LP8869QPWPRQ1

Manufacturer:: Texas Instruments

Package:: 20-PowerTSSOP (0.173, 4.40mm Width)

Datasheet:: LP8869QPWPRQ1.pdf

Description:: IC LED DRVR RGLTR PWM 20HTSSOP

In Stock:: 2930

Quantity:: Add To Cart

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LP8869QPWPRQ1 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Automotive, AEC-Q100
ProductStatus:
Active
Type:
DC DC Regulator
Topology:
SEPIC, Step-Up (Boost)
InternalSwitch(s):
Yes
NumberofOutputs:
3
Voltage-Supply(Min):
4.5V
Voltage-Supply(Max):
45V
Voltage-Output:
6V ~ 45V
Current-Output/Channel:
120mA
Frequency:
300kHz ~ 2.2MHz
Dimming:
PWM
Applications:
Automotive, Backlight
OperatingTemperature:
-40°C ~ 125°C (TA)
MountingType:
Surface Mount

LP8869QPWPRQ1 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LP8869QPWPRQ1 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for LP8869QPWPRQ1 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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LP8869QPWPRQ1 information

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LP8869QPWPRQ1 Typical application Circuitry

The LP8869QPWPRQ1 is a sophisticated LED backlight driver developed by Texas Instruments. The device's main function is to facilitate high-efficiency drive for LED backlights, making it apt for LCD displays used in automotive applications.

The LP8869QPWPRQ1 excels in automotive infotainment systems, instrumental cluster displays, and center stack displays. It ensures high efficiency and precision, and includes a host of diagnostic features that contribute to its performance.

Features of the LP8869QPWPRQ1 include four high-precision current sinks that can support up to 40 LEDs, with an input voltage range of 4.5V to 40V. The LED current can be adjusted from 0.5 mA to 60 mA. Furthermore, it employs spread-spectrum frequency modulation to reduce electromagnetic interference (EMI), a crucial feature for automotive applications.

Delving into a standard LCD backlighting circuit arrangement:

1. Power Source (VIN, Pin 15): The power supply ought to be connected to this pin. Do ensure that the supply falls within the operating voltage range of 4.5V to 40V. Using an input bypass capacitor close to this pin is recommended to decrease noise.

2. Ground Connection (PGND, Pin 10 and AGND, Pin 8): Both represent power and analog grounds respectively. They should be linked to the system's ground.To avoid noise coupling, a solid ground plane design must be maintained.

3. LED Output (OUT1 to OUT4, Pins 18, 19, 20, 21): Connect your LED strings to these output pins. Each string of LEDs should have a forward voltage that is less than the input voltage.

4. I2C Interface (SCL, Pin 5 and SDA, Pin 6): These are for communication between the LP8869QPWPRQ1 and the microcontroller. Attach these pins to the microcontroller's corresponding I2C lines.

5. Enable Control (EN, Pin 7): Attach this pin to a digital GPIO pin on the microcontroller to dictate the ON and OFF states of the IC.

Designing with the LP8869QPWPRQ1 needs particular attention to thermal management, input and output capacitors, and the board layout. Heat must be efficiently dissipated to avoid overheating. Also, capacitors must be selected per the datasheet requirements to maintain stability. The board layout should minimize noise coupling and retain signal integrity. Adhering to the guidelines in the datasheet ensures optimal performance.

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6. What is the process for return or replacement of LP8869QPWPRQ1?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LP8869QPWPRQ1 we delivered, we will accept the replacement or return of the LP8869QPWPRQ1 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LP8869QPWPRQ1.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations