Texas Instruments LP8866SQDCPRQ1
- Part Number:
- LP8866SQDCPRQ1
- Manufacturer:
- Texas Instruments
- Ventron No:
- 6404460-LP8866SQDCPRQ1
- Description:
- Automotive display LED-backlight with six 150-mA channels
- ECAD Model:
-
- Datasheet:
- lp8866s-q1
- Number of channels6
- TopologyBoost with Current Sink
- RatingAutomotive
- 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)0.9
- Iq (typ) (mA)20
- Switching frequency (max) (kHz)2200
- FeaturesAdjustable Switch Frequency
The LP8866S-Q1 is an automotive high-efficiency LED driver with boost controller. The Six 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 LP8866S-Q1 to avoid disturbance for AM radio band.
The LP8866S-Q1 supports built-in hybrid PWM dimming and analog current dimming, which reduces EMI, extends the LED lifetime, and increases the total optical efficiency.
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ImagePart NumberManufacturerNumber of channelsTopologyRatingOperating temperature range (°C)Vin (min) (V)Vin (max) (V)Vout (min) (V)Vout (max) (V)Iout (max) (A)Iq (typ) (mA)Switching frequency (max) (kHz)FeaturesView Compare
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LP8866SQDCPRQ16Boost with Current SinkAutomotive-40 to 1253480480.9202200Adjustable Switch Frequency- -
4Boost with Current SinkAutomotive-40 to 1253480480.6202200Adjustable Switch Frequency
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4Boost with Current SinkAutomotive-40 to 1253480480.8202200Adjustable Switch Frequency
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4Boost with Current SinkAutomotive-40 to 1253480480.8202200Adjustable Switch Frequency
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