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LP8864S Q1 Automotive Display LED backlight with Four 150 mA Channels

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LP8864SQDCPRQ1 General Description

The LP8864S-Q1 is an automotive high-efficiency LED driver with boost controller. The Four high-precision current sinks support phase shifting that is automatically adjusted based on the number of channels in use. LED brightness can be controlled globally through the I²C interface or PWM input.

The boost controller has adaptive output voltage control based on the headroom voltages of the LED current sinks. This feature minimizes the power consumption by adjusting the boost voltage to the lowest sufficient level in all conditions. A wide-range adjustable frequency allows the LP8864S-Q1 to avoid disturbance for AM radio band.

The LP8864S-Q1 supports built-in hybrid PWM dimming and analog current dimming, which reduces EMI, extends the LED lifetime, and increases the total optical efficiency.

Texas Instruments, Inc Inventory

Key Features

  • AEC-Q100 qualified for automotive applications:
    • Device temperature grade 1: –40°C to +125°C, TA
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • Input voltage operating range 3 V to 48 V
  • Four high-precision current sinks
    • Up to 150-mA DC current for each current sink
    • Current matching 1% (typical)
    • Dimming ratio 32 000:1 using 152-Hz LED output PWM frequency
    • Up to 16-bit LED dimming resolution with I2C, or PWM input
    • 8 Configurable LED strings configuration
  • Auto-phase shift PWM dimming
  • 12-bit analog dimming
  • Up to 48-V VOUT boost or SEPIC DC/DC controller
    • Switching frequency 100 kHz to 2.2 MHz
    • Boost spread spectrum for reduced EMI
    • Boost sync input to set boost switching frequency from an external clock
    • Output voltage automatically discharged when boost is disabled
  • Extensive fault diagnostics
Texas Instruments, Inc Original Stock
Texas Instruments, Inc Inventory


Number of channels 4 Topology Boost with Current Sink, SEPIC
Rating Automotive Operating temperature range (°C) -40 to 125
Vin (min) (V) 3 Vin (max) (V) 48
Vout (min) (V) 0 Vout (max) (V) 48
Iout (max) (A) 0.6 Iq (typ) (mA) 20
Switching frequency (max) (kHz) 2200 Features Adjustable Switch Frequency, Boost Sync, Enable/Shutdown, Fault Detection, Fault Diagnostic, Global dimming, Hybrid Dimming/Phase Shift, I2C control, LED Open Detection, LED Short to Ground Detection, LED Shorted Detection, PWM Dimming, Power-Line FET, SEPIC Sync, Soft Start, Spread Spectrum, Thermal shutdown
feature-number-of-digits feature-number-of-segments
feature-number-of-led-outputs feature-topology
feature-process-technology feature-input-output-type
feature-minimum-operating-supply-voltage-v feature-maximum-operating-supply-voltage-v
feature-output-voltage-v feature-maximum-supply-current-ua
feature-maximum-output-current-ma feature-maximum-power-dissipation-mw
feature-packaging feature-rad-hard
feature-pin-count 38 feature-supplier-package HTSSOP EP
feature-standard-package-name1 SOP feature-cecc-qualified
feature-esd-protection feature-military No
feature-aec-qualified Yes feature-aec-qualified-number AEC-Q100
feature-auto-motive Yes feature-p-pap Yes
feature-eccn-code EAR99 feature-svhc
feature-svhc-exceeds-threshold No


Shipping Method

Our products are mainly transported and delivered by DHL, FedEx, UPS and other logistics partners on site -- Available to 200+ countries.

Delivery Time

The delivery time is usually within 2-7 days, depending on the logistics provider and the area of delivery.

The following are the estimated delivery times of some logistics service providers.

  • DHL

  • Fedex

  • UPS

  • EMS

  • Registered Air Mail


We accept TT prepayment (bank transfer), paypal, credit cards, Western Union, Money Gram.

Checks and other instruments are not supported to pay for orders and customers are required to pay all possible fees, including sales tax,
customs fees, etc.

  • Wire Transfer

  • Paypal

  • Credit Card

  • Western Union

  • Money Gram


Our policies and procedures are designed to ensure compliance with various quality specifications and to quickly resolve quality-related issues.

We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.


AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.
  • ESD


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Buying Guide

  • What is the lifespan of LP8864SQDCPRQ1?

    The lifespan of LP8864SQDCPRQ1 depends on various factors such as the quality of materials used, operating conditions, and the manufacturer's recommended usage time. The datasheet provided by the manufacturer specifies the expected lifespan of the product.

  • Where can I find the full specification of LP8864SQDCPRQ1?

    You can find it with PDF Datasheet for LP8864SQDCPRQ1 on this page. If it is not available, you can contact Avaq at [email protected] to inquire about the Datasheet for this part.

  • How to check the quality of LP8864SQDCPRQ1?

    Avaq has separate quality services with common quality inspection equipment for testing items, you can also fill out a sample form, our team will get in touch with you within 24 HOURS.

  • Can I purchase samples for testing?

    Avaq offers free samples for customers to test. This can often help you determine whether the chip or component meets your needs.

  • Where can I check the delivery after the order is completed?

    Once the order is completed, you will receive an order confirmation email containing a tracking number from AVAQ, then you can track the delivery by yourself.

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