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LP8867CQPWPRQ1 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LP8867CQPWPRQ1 product

LP8867CQPWPRQ1

LED Drivers

4-channel LED driverAutomotiveAEC-Q100Boost converterSEPIC converterPWM dimmingHTSSOP-20

LP8867CQPWPRQ1 is a 4-channel AEC-Q100 automotive LED backlight driver with an integrated boost or SEPIC converter, supporting up to 120 mA per channel.

Best for

  • Four-string automotive LCD backlights
  • Automotive infotainment and instrument displays
  • HUD and smart-mirror backlight systems

Avoid if

  • More than four independently regulated LED strings are required
  • The required LED current exceeds the combined capability of paralleled outputs
  • Input plus output voltage in a SEPIC design can approach the SW overvoltage limit

Check before use

  • Program LED current with RISET; 20 kΩ corresponds to 120 mA per channel.
  • Use RFSET to select a switching frequency between 300 kHz and 2.2 MHz.
  • For SEPIC operation, keep the maximum VIN plus VOUT below the 49 V SW overvoltage threshold.
  • Place the LDO bypass capacitor close to the LDO pin and maintain separate PGND and signal-ground routing.

Key specifications

LED outputs
4 constant-current sinks
LED current
Up to 120 mA/channel
Input voltage
4.5 V to 40 V
Converter output
Up to 45 V
Switching frequency
300 kHz to 2.2 MHz
Qualification
AEC-Q100 Grade 1

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level-2-260C-1 YEAR
ECCN
-
HTSUS
-

Application

Automotive infotainment backlightsInstrument-cluster displaysHead-up displaysSmart mirrors

Datasheet

ssiy007

800 KB

Datasheet AI

CAD Models

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Alternative components

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Design and risk insights

Questions & answers

LP8867CQPWPRQ1 is the orderable 20-pin HTSSOP version of TI's LP8867C-Q1, an automotive-qualified four-channel constant-current LED driver with an integrated boost or SEPIC converter.