TM512AC0 DMX512 LED Driver with Forwarding Function
TM512AC0 is a DMX512 differential parallel protocol LED driver chip with decoding and forwarding functions. It converts the DMX512 data into a single-wire zero-code signal via the DO output. This output can control various ICs at 800Kbps, forwarding up to 192 channels of data.
With advanced decoding technology, TM512AC0 can accurately decode DMX512 signals, making it compatible with and extending DMX512 protocol support. The chip automatically adapts to DMX512 signal transmission speeds ranging from 200Kbps to 1000Kbps without requiring rate adjustments. It supports addressing up to 4096 channels. The TM512AC0 comes with built-in EEPROM, eliminating the need for external components, and also supports online code writing.
Key Features:
- Compatible with DMX512 (1990) signal protocol
- Supports up to 4096 channels for addressing
- High-speed DMX512 patented algorithm (200Kbps to 1000Kbps)
- Pure forwarding mode with no direct lighting, ideal for driving chips like TM1804, TM1925D, TM1926D
- Built-in EEPROM eliminates the need for external components
- Automatic online code writing with AB line support
- Dual backup mode ensures reliable E2 address code reading
- 5V voltage regulator for system stability
- No power cycling required after code writing
- Progressive output channel delay to reduce interference
Specification Table:
| Feature | Specification |
|---|---|
| Protocol | DMX512 (Differential Parallel) |
| Control Method | Differential Parallel, Supports up to 4096 Channels |
| Transmission Speed | 200Kbps – 1000Kbps |
| Forwarding Mode | Pure forwarding (no direct lighting) |
| Chipset Compatibility | Drives TM1804, TM1925D, TM1926D, and other zero-code communication ICs |
| Built-in EEPROM | Yes (No external EEPROM required) |
| Online Code Writing | Yes, via AB Line |
| Code Writing Mode | Supports installation-first, write-later method |
| Backup Mode | Dual E2 Address Code Backup |
| Voltage Regulation | Built-in 5V Voltage Regulator |
| Output Channels | 192 Data Channels Forwarded |
| Delay Function | Progressive Output Channel Delay to Reduce Interference |
| Operating Voltage | 5V (supports stable operation in low-voltage conditions) |
| Package Type | SOP8 |
| Industrial Design | Yes, stable and reliable performance |
Applications:
- Point light sources
- Linear lights
- Wall washing lights
- Stage lighting systems
- Indoor and outdoor video walls
- Decorative lighting systems
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