Texas Instruments LM3432SQ/NOPB Drivers, Receivers and Transceivers
6-channel current regulator for LED backlight applications, featuring analog and PWM dimming.

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM3432SQ/NOPB
Detailed Description
6-channel current regulator for LED backlight applications, featuring analog and PWM dimming. This surface mount integrated circuit supports a 6V to 40V input voltage range and delivers 40mA output current per channel with an 80V output voltage capability. Operating across a -40°C to 125°C temperature range, it utilizes a boost topology and is packaged in a 24-WQFN format on tape and reel.
Package
24-WFQFN Exposed Pad
Key Features
Output Voltage: 80V; Output Current: 40mA
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LM3432SQ/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM3432SQ/NOPB Drivers, Receivers and Transceivers technical specifications.
General
RoHS
Yes
Package / Case
24-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Supply Voltage
6V ~ 40V
Dimming
Analog, PWM
Height
0.8mm
Lead Free
Contains Lead
Length
5mm
Low Level Output Current
41.55mA
Alternate Parts Comparison (LM3432SQ/NOPB vs LM3S1332-EQC50-A2T vs LM3S1435-EQC50-A2 vs LM3S2533-EQC50-A2)
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 | 100-LQFP | 100-LQFP | 100-LQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Supply Voltage | 6V ~ 40V | 2.25V ~ 2.75V | 2.25V ~ 2.75V | 2.25V ~ 2.75V |
| RoHS | Yes | Yes | Yes | Yes |
| Radiation Hardening | No | No | No | No |
| Data Bus Width | -- | 32bit | 32bit | 32bit |
| Number of Pins | -- | 100 | 100 | 100 |
| Core Processor | -- | ARM® Cortex®-M3 | ARM® Cortex®-M3 | ARM® Cortex®-M3 |
| Core Size | -- | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | -- | 16KB | 32KB | 64KB |
| ADC Channels | -- | 3 | 2 | 3 |
| Action |
Texas Instruments LM3432SQ/NOPB Drivers, Receivers and Transceivers Overview
6-channel current regulator for LED backlight applications, featuring analog and PWM dimming. This surface mount integrated circuit supports a 6V to 40V input voltage range and delivers 40mA output current per channel with an 80V output voltage capability. Operating across a -40°C to 125°C temperature range, it utilizes a boost topology and is packaged in a 24-WQFN format on tape and reel.
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