SMBus/I2C Controlled WLED Driver for Medium Sized LCD Backlight 24-WQFN -30 to 85
IC LED DRIVER RGLTR DIM 24WQFN Product overview: LP8543SQX/NOPB from Texas Instruments is a LED Driver IC for LED lighting, display backlights, indicator control, automotive lighting, signage, and regulated current drive circuits. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include key electrical ratings, package details, and application requirements. Search-friendly keywords include LED driver IC, constant current, lighting control, display backlight, External/Internal LED Drivers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 137-LP8543SQX/NOPB can be used for catalog matching and distributor lookup.
Manufacturer: Texas Instruments
Win Source Part Number: 724635-LP8543SQX/NOP
Packaging: Tape and Reel
Type: DC DC Regulator
Mounting Style: SMD
Applications: Backlight
Voltage - Output: 40V
Frequency: 625kHz ~ 1.25MHz
Current - Output / Channel: 60mA
Internal Switch(s): Yes
Topology: Step-Up (Boost)
Number of Outputs: 7
Dimming: PWM
Categories: Integrated Circuits
Supplier Device Package: 24-WQFN (4x4)
Temperature Range - Operating: -30°C ~ 85°C
Manufacturer Package: 24-WFQFN Exposed Pad
Popularity: Medium
Fake Threat In the Open Market: 47 pct.
Supply and Demand Status: Limited
Family Part Number: LP8543
Manufacturer Pack Quantity: 4,500
MSL Level: 1 (Unlimited)
Voltage - Supply (Minimum): 5.5V
Voltage - Supply (Maximum): 22V
LED Driver IC 7 Output DC DC Regulator Step-Up (Boost) PWM Dimming 60mA 24-WQFN (4x4)
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| Texas Instruments | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | |
|---|---|---|---|---|---|---|
| Product Category | LED Drivers | LED Drivers | LED Drivers | LED Drivers | LED Drivers | LED Drivers |
| Product Number | LP8543SQX/NOPB | 137-LP8543SQX/NOPB | 724635-LP8543SQX/NOPB | LP8543SQX/NOPB-ND | LP8543SQX/NOPB | LP8543SQX/NOPB |
| Product Name | LP8543 SMBus/I2C Controlled WLED Driver for Medium Sized LCD Backlight | LED Driver IC | PMIC - PMIC - LED Drivers - LP8543SQX/NOPB | LED Drivers | Integrated Circuits (ICs) - Power Management (PMIC) - LED Drivers | PMIC - LED Drivers |
| Form Factor | Intgrated Circuit (IC) | Intgrated Circuit (IC) | Intgrated Circuit (IC) | |||
| Input Voltage | 5.5 to 22 volts | 5.5 to 22 volts | 5.5 to 22 volts | |||
| Output Voltage | 40 volts | 40 volts | 40 volts | 40 volts | ||
| Efficiency | 91 % | |||||
| Number of Channels | 7 # | 7 # |
