Key Selection Information
| Selection Parameter | Confirmed Information |
|---|---|
| Channels | 12 constant-current sinks / four RGB groups |
| PWM | 12-bit, 29 kHz per channel |
| Current | 25.5 mA/channel over full VCC; up to 35 mA at VCC ≥3.3 V |
| Supply | 2.7 V to 5.5 V; 1.8 V-compatible I²C/control |
| Power Saving | 10 µA typical all-LEDs-off mode; 1 µA max shutdown |
| Control | I²C 400 kHz, 4 hardware addresses, broadcast/autoincrement |
| Visual Features | Independent color/brightness registers, PWM phase shifting |
| Exact Package / Packing | WQFN (RUK), 20 pins; 3000-piece large reel |
Product Overview
LP5012RUKR is a 12-channel constant-current RGB LED driver aimed at animated indicators rather than high-power illumination. Each channel has 12-bit PWM while RGB-module brightness and channel color values can be controlled separately, simplifying firmware dimming and color mixing.
The integrated phase-shifting scheme spreads switching edges between channels, reducing simultaneous current steps and audible/EMI stress on the supply. That is more useful in multi-LED HMI patterns than simply raising PWM resolution.
RUKR is the compact 3 mm WQFN large-reel option; exposed-pad assembly and thermal/ground layout must be production-qualified.
For related devices, see HKEQGOO’s LED Drivers ICs category.
Technical Specifications
| Parameter | Verified Information |
|---|---|
| Manufacturer | Texas Instruments |
| Exact MPN | LP5012RUKR |
| Channels | 12 constant-current sinks / four RGB groups |
| PWM | 12-bit, 29 kHz per channel |
| Current | 25.5 mA/channel over full VCC; up to 35 mA at VCC ≥3.3 V |
| Supply | 2.7 V to 5.5 V; 1.8 V-compatible I²C/control |
| Power Saving | 10 µA typical all-LEDs-off mode; 1 µA max shutdown |
| Control | I²C 400 kHz, 4 hardware addresses, broadcast/autoincrement |
| Visual Features | Independent color/brightness registers, PWM phase shifting |
| Exact Package / Packing | WQFN (RUK), 20 pins; 3000-piece large reel |
| Manufacturer Status | Active / Production |
| Part Marking | LP5012 |
Functional Highlights
Two-level color/brightness control reduces software multiplication
Global RGB-module brightness can be changed without rewriting all individual color ratios, which simplifies fades and preserves color balance.
Power-saving mode fits always-on status lighting
When all channels remain off long enough, the device reduces quiescent current automatically; firmware can therefore keep I²C state without fully disabling VCC.
Design Considerations
- Set LED current from the allowed VCC/current range and thermal budget; 35 mA is conditional on VCC.
- Use phase-shift/bank features deliberately rather than updating all PWM channels synchronously.
- Follow RUK exposed-pad solder/ground guidance.
Product Status and Exact Order Code
Manufacturer status: Active / Production
Texas Instruments lists LP5012RUKR as Active / Production; WQFN (RUK), 20 pins; 3000-piece large tape and reel; −40°C to +85°C.
Related Engineering Resources
Quality & Verification Support
Third-party inspection or testing can be arranged according to customer requirements. Testing fees are borne by the buyer. Additional verification requirements can be discussed before shipment. After an order is placed, physical product, label, packaging, and Date Code photos may be provided where appropriate.
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