Texas Instruments LP8543SQX/NOPB Microcontrollers
IC LED DRIVER RGLTR DIM 24WQFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LP8543SQX/NOPB
Detailed Description
IC LED DRIVER RGLTR DIM 24WQFN
Package
24-WFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
LP8543SQX/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LP8543SQX/NOPB Microcontrollers technical specifications.
General
RoHS
Yes
Number of Channels
7
Package / Case
24-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-30°C ~ 85°C (TA)
Supply Voltage
5.5V ~ 22V
Lifecycle Status
Active
Frequency
625kHz ~ 1.25MHz
Type
DC DC Regulator
Internal Switch S
Yes
Alternate Parts Comparison (LP8543SQX/NOPB vs LP8556SQX-E09/NOPB vs PCA9535RTWR vs TCA6416RTWR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | -40°C ~ 85°C | -40°C ~ 85°C |
| Supply Voltage | 5.5V ~ 22V | 2.7V ~ 20V | 2.3V ~ 5.5V | 1.65V ~ 5.5V |
| Lifecycle Status | Active | Active | Not For New Designs | Not For New Designs |
| RoHS | Yes | Yes | Yes | -- |
| Operating Temperature Range C | -30 to 85 | -30 to 85 | -40 to 85 | -- |
| Package | WQFN (RTW)-24 | WQFN (RTW)-24 | WQFN (RTW)-24 | -- |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MC34844AEPNXP SemiconductorsNXP
IC LED DRVR RGLTR DIM 80MA 32QFN
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
LM25117QPSQX/NOPBTexas InstrumentsAutomotive Grade 4.5-42V Wide Vin, Current Mode Synchronous Buck Controller with Tracking 24-WQFN -40 to 125
LMX2485ESQX/NOPBTexas InstrumentsDelta-Sigma Low Power Dual PLL for RF Personal Communications 24-WQFN -40 to 85
LP8556SQX-E09/NOPBTexas Instruments6 channel high-efficiency/Efficacy LED backlight driver 24-WQFN -30 to 85
PCA9535RTWRTexas InstrumentsRemote 16-Bit I 2 C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers 24-WQFN -40 to 85