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LP8556SQE-E00/NOPB +BOM

6 channel high-efficiency/Efficacy LED backlight driver

Produttore:

Texas Instruments, Inc
ProduttorePart #:

LP8556SQE-E00/NOPB
Scheda dati:

LP8556SQE-E00/NOPB Scheda dati (PDF)
Number Of Channels:

6
Vin (min) (V):

2.7
Vin (max) (V):

20
Vout (min) (V):

7
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per LP8556SQE-E00/NOPB

LP8556SQE-E00/NOPB Descrizione generale

The LP8556SQE-E00/NOPB LED driver is a versatile and efficient solution for driving white LEDs in various applications. With its asynchronous boost converter and six high precision current sinks, this device offers excellent control and flexibility for achieving optimal lighting performance

Caratteristiche principali

High-efficiency DC/DC boost converter with integrated 0.19-Ω power MOSFET and three switching frequency options: 312 kHz, 625 kHz, and 1250 kHz
2.7-V to 36-V Boost switch input voltage range supports multi-cell Li-Ion batteries
(2.7-V to 20-V V_DD input range)
7-V to 43-V Boost switch output voltage range supports as few as 3 WLEDs in series per channel and as many as 12
Configurable channel count (1 to 6)
Up to 50 mA per channel
PWM and / or I²C brightness control
Phase-shift PWM mode reduces audible noise
Adaptive dimming for higher LED drive optical efficiency
Programmable edge-rate control and spread spectrum scheme minimize switching noise and improve EMI performance
LED fault (short and open) detection, UVLO, TSD, OCP, and OVP (up to 6 threshold options)
Available in tiny 20-pin, 0.4-mm pitch DSBGA package and 24-pin, 0.5-mm pitch WQFN package

Specifiche

Number of channels	6	Vin (min) (V)	2.7
Vin (max) (V)	20	Vout (min) (V)	7
Vout (max) (V)	48	Type	Inductive
Switching frequency (max) (kHz)	1250	Duty cycle (max) (%)	100
LED current per channel (mA)	50	Peak efficiency (%)	95
Topology	Boost	Features	I2C control
Operating temperature range (°C)	-30 to 85	Rating	Catalog
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	2.7	feature-maximum-operating-supply-voltage-v	20
feature-output-voltage-v	16 to 34.5	feature-maximum-supply-current-ua	3650
feature-maximum-output-current-ma		feature-maximum-power-dissipation-mw
feature-packaging	Tape and Reel	feature-rad-hard
feature-pin-count	24	feature-cecc-qualified	No
feature-esd-protection		feature-military	No
feature-aec-qualified	No	feature-aec-qualified-number
feature-eccn-code	EAR99	feature-svhc	Yes
feature-svhc-exceeds-threshold	No

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