TBSA1664 LED Driver IC
The TBSA1664 is an LED display driver chip from TB Silicon. This page covers its specifications, datasheet, and which NovaStar receiving cards and firmware support it.
NovaStar support
| LED Driver IC | TBSA1664 |
| Manufacturer | TB Silicon |
| Driver type | PWM / constant-current |
TBSA1664 technical specifications
| Output channels | 16 |
| PWM type | PWM+PAM (PMM) |
| Grayscale (bits) | 16 |
| Max scan | 1-64 |
| Output current (mA) | 0.3-20 |
| Max data clock (MHz) | 25 |
| Supply voltage (V) | 3.3-5.5 |
| Package | SSOP24 / QFN24 |
Key features
- common-anode drive
- hybrid PWM (16-bit) + pixel PAM
- internal white-balance resistor
- refresh-rate enhancement + S-PWM
- chip-level + pixel-level dynamic power saving + standby mode
- current accuracy +/-1.25% (channels) / +/-1.5% (ICs)
- LED error + open-circuit detection & protection
- RoHS compliant
Typical use: common-anode full-color LED display.
NovaStar receiving cards & firmware that drive the TBSA1664
Important: each NovaStar receiving card ships several firmware versions, and each one supports a different group of pixel driver ICs paired with a group of row/scan decode chips — the version label selects the chip group, not a newer/older build. A panel is defined by both its driver IC and its decode/scan chip, so the firmware must list both. To drive the TBSA1664, flash the exact version listed for your card below; a higher-numbered version meant for a different chip group will not work.
⚠️ Don't upgrade unless you have a reason to. Receiving-card firmware is not like a controller update that adds features — a higher number just means a different driver-IC group. If your screen works, leave it alone; only re-flash to match a different driver IC.
| Receiving card | Supported firmware |
|---|---|
| RH460 Plus |
Frequently asked questions
What is the TBSA1664 LED driver IC?
The TBSA1664 is an LED display driver chip made by TB Silicon. It is a PWM (constant-current, pulse-width-modulated) driver used on the LED module to control each pixel's grayscale.
Can a NovaStar receiving card drive the TBSA1664?
The TBSA1664 is not in NovaStar's default driver-IC library, but many NovaStar receiving cards can still drive it depending on the card model and firmware. The reliable way to confirm is to upload your receiving-card config to our free RCFGX viewer, or call us at 321-747-3220.
How do I find out which driver IC my LED panel uses?
Open your receiving card configuration file (.rcfgx) — it records the driver IC type and firmware version. Our free online RCFGX viewer reads this for you without installing NovaLCT.