For Reference Only
| Part Number | RT8543GQW |
| Manufacturer | Richtek USA Inc. |
| Category | Integrated Circuits (ICs) › LED Drivers |
| Description | IC LED DRVR CTRL PWM 50MA 20WQFN |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | RT8543GQW PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 14 - Dec 18 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment | 
|
| Shipping |  |
| Part Number: | RT8543GQW |
| Brand: | Richtek USA Inc. |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | LED Drivers |
| Manufacturer: | Richtek USA Inc. |
| Product Status: | Active |
| Type: | DC DC Controller |
| Topology: | Step-Up (Boost) |
| Internal Switch(s): | Yes |
| Number of Outputs: | 6 |
| Voltage - Supply (Min): | 2.5V |
| Voltage - Supply (Max): | 24V |
| Voltage - Output: | 43V |
| Current - Output / Channel: | 50mA |
| Frequency: | 600kHz ~ 1.2MHz |
| Dimming: | PWM |
| Applications: | Backlight |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 20-WFQFN Exposed Pad |
| Supplier Device Package: | 20-WQFN (4x4) |
 |
IS31LT3948-GRLS2-TR | IC LED DRIVER CTRLR PWM 8SOP | 33291 More on Order |
 |
TLC6C5724QDAPRQ1 | IC LED DRV LIN PWM 50MA 38HTSSOP | 23215 More on Order |
 |
TLD2311ELXUMA1 | IC LED DRVR LINEAR 120MA 14SSOP | 54998 More on Order |
 |
TS19452CS RLG | IC LED DRIVER OFFL 100MA 8SOP | 48833 More on Order |
 |
STP16CPS05TTR | IC LED DRVR LINEAR 100MA 24TSSOP | 46254 More on Order |
 |
MAX16822AASA/V+T | IC LED DRV RGLTR PWM 350MA 8SOIC | 45619 More on Order |
 |
TLC5917ID | IC LED DRVR LINEAR 120MA 16SOIC | 46885 More on Order |
 |
IS32LT3172-GRLA3-TR | IC LED DRIVER LINEAR 200MA 8SOP | 90840 More on Order |
 |
LT3519EMS#PBF | IC LED DRV RGLTR PWM 16MSOP | 12322 More on Order |
 |
MIC2287CYD5-TR | IC LED DRVR RGLTR PWM TSOT23-5 | 67522 More on Order |
 |
LT3477IUF#PBF | IC LED DRIVER RGLTR PWM 3A 20QFN | 8581 More on Order |
 |
LM3464MH/NOPB | IC LED DRIVER CTRLR PWM 28HTSSOP | 17819 More on Order |
| In Stock | 49989 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $1.77000 | $1.77 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.
