sales@hkmjd.com
Service Telephone:86-755-83294757
Trade Name:LP8864QRHBRQ1
Data Manual:LP8864QRHBRQ1.pdf
Brand:TI
Particular Year:23+
Package:VQFN-32
Delivery Date:New and Original
Stock: 6650pcs
The LP8864QRHBRQ1 is an automotive high efficiency LED driver with a boost controller. The four high precision current traps support automatic phase shift adjustment based on the number of channels used. LED brightness can be controlled globally via the I²C interface or PWM input.
The boost controller has adaptive output voltage control based on the LED current trap residual voltage. This feature reduces power consumption even further by regulating the boost voltage to the lowest level needed under all conditions. With a wide range of adjustable frequencies, the LP8864-Q1 avoids interference in the AM radio band.
The LP8864QRHBRQ1 supports built-in hybrid PWM dimming and analogue current dimming, which reduces EMI, extends LED life and improves total optical efficiency.
Features
- Complies with AEC-Q100 for automotive applications:
- Device temperature class 1:
-40°C to +125°C, TA
- Device HBM ESD Classification 2
- Device CDM ESD Classification C4B
- Input voltage operating range: 3V to 48V
- Four high-precision current traps
- Up to 200mA DC current per current trap
- Current matching of 1% (typical)
- Dimming ratio of 32000:1 using 152Hz LED output PWM frequency
- Up to 16-bit LED dimming resolution using I2C or PWM inputs
- Configurable for 8 LED strings
- Automatic phase shift PWM dimming
- 12-bit analogue dimming
- Up to 48V VOUT Boost or SEPIC DC/DC Controller
- Switching frequencies from 100kHz to 2.2MHz
- Boost spread spectrum function reduces EMI
- Boost synchronous input with external clock to set boost switching frequency
- Automatic output voltage discharge when boost is disabled
- Multiple fault diagnostic functions
Applications
- Provides backlighting for the following applications:
- Automotive infotainment
- Automotive infotainment systems
- Automotive infotainment systems Automotive instrument clusters
- Head-Up Display (HUD)
Model
Brand
Package
Quantity
Describe
TI
VQFN-36
3000
An 8-channel, 2.5A LED point controller for high-precision dimming control via SPI interface
ON
SSOP-36
3000
LED driver IC, a serial pixel controller for automotive (front) lighting
ADI
QFN-28
3000
High-current, synchronous step-down LED driver with three-state control function
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