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Name: LP8864SQDCPRQ1
Brand: Texas Instruments
SKU: LP8864SQDCPRQ1
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 LP8864SQDCPRQ1

Part No.:: LP8864SQDCPRQ1

Manufacturer:: Texas Instruments

Package:: 38-TFSOP (0.173, 4.40mm Width) Exposed Pad

Datasheet:: LP8864SQDCPRQ1.pdf

Description:: IC LED DRVR CTRLR PWM 38HTSSOP

In Stock:: 3000

Quantity:: Add To Cart

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LP8864SQDCPRQ1 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Automotive, AEC-Q100
ProductStatus:
Active
Type:
DC DC Controller
Topology:
SEPIC, Step-Up (Boost)
InternalSwitch(s):
Yes
NumberofOutputs:
4
Voltage-Supply(Min):
3V
Voltage-Supply(Max):
48V
Voltage-Output:
0V ~ 48V
Current-Output/Channel:
150mA
Frequency:
100kHz ~ 2.2MHz
Dimming:
PWM
Applications:
Automotive, Backlight
OperatingTemperature:
-40°C ~ 125°C (TA)
MountingType:
Surface Mount

LP8864SQDCPRQ1 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LP8864SQDCPRQ1 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 LP8864SQDCPRQ1 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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LP8864SQDCPRQ1 information

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LP8864SQDCPRQ1 Typical application Circuitry

The LP8864SQDCPRQ1 is an integrated circuit (IC) chip with a specialized role in various electronic designs.

1. Functionality: The LP8864SQDCPRQ1 is an automotive LED controller that is primarily designed for driving multi-channel LED strings in automobile applications.

2. Applications: Given its features and automotive qualification, the LP8864SQDCPRQ1 is commonly used in applications such as infotainment backlighting, automotive interior lighting, instrument clusters, and heads-up displays in vehicles.

3. Key Features: The LP8864SQDCPRQ1 can manage up to 4 channels of LED strings. It operates with an input voltage range of 4.5V to 40V and features spread spectrum frequency modulation for reduced electromagnetic interference. It also comes with built-in safety mechanisms like overvoltage, overcurrent, and thermal shutdown protections.

An example application of this controller IC could be an automotive infotainment backlighting system. Let's go through a detailed circuit design using the LP8864SQDCPRQ1.

Circuit Description:

1. Input Power: The power supply is connected to the VIN (Pin 4) of the LP8864SQDCPRQ1. Ensure the input voltage range stays within 4.5V to 40V to avoid potential damage to the IC.

2. LED Channels: The LED channels (LED1 to LED4) are connected to the LEDxP pins (Pin 6, 7, 8, 9). This chip supports up to 4 channels of LED strings, providing consistent brightness across all channels.

3. PWM Dimming: The LP8864SQDCPRQ1 supports PWM dimming, which can be controlled using the PWMDIM (Pin 16). The brightness of the LED channels will be altered by a PWM signal provided to this pin.

4. I2C Interface: The SDA (Pin 20) and SCL (Pin 19) pins are used for the I2C interface. This allows the microcontroller to communicate with the LP8864SQDCPRQ1, providing control over various parameters like LED brightness and fault reporting.

Design Considerations:

1. Bypass Capacitor: A bypass capacitor must be placed as close as possible to the VIN and GND (Pin 3) pins of the LP8864SQDCPRQ1 to reduce noise.

2. Thermal Management: The LP8864SQDCPRQ1 should be thermally managed to prevent overheating. The IC features a built-in thermal shutdown protection mechanism, but extra measures like a heatsink or airflow might be required, depending on the application.

3. PCB Layout: For the optimal performance, a PCB layout must be well-designed. Keep trace lengths as short as possible and use adequate copper for power and ground paths.

4. LED Current Setting: The LED current can be set by the resistor connected to the ISET (Pin 10) pin. This provides flexibility for different LED specifications.

By adhering to these considerations and the datasheet's recommendations, you can effectively design a circuit with the LP8864SQDCPRQ1 for automotive LED applications.

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6. What is the process for return or replacement of LP8864SQDCPRQ1?

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 LP8864SQDCPRQ1 we delivered, we will accept the replacement or return of the LP8864SQDCPRQ1 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 LP8864SQDCPRQ1.

(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