| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Frequency | 4 MHz |
| Number of Pins | 32 Pin |
| Case/Package | VQFN-32 |
| Number of Outputs | 24 Output |
| Output Voltage | 30 V |
| Output Current | 30 mA |
| Supply Current | 90000 mA |
| Number of Positions | 32 Position |
| Power Dissipation | 3482 mW |
| Switching Frequency | 30 MHz |
| Input Voltage (Max) | 5.5 V |
| Input Voltage (Min) | 3 V |
| Output Voltage (Max) | 30 V |
| Output Current (Max) | 30 mA |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 3482 mW |
| Supply Voltage | 3V ~ 5.5V |
| Input Voltage | 3V ~ 5.5V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| Size-Length | 5.15 mm |
| Size-Width | 5.15 mm |
| Size-Height | 0.95 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The TLC5947RHBT is a 24-channel 12-bit PWM constant-current LED Sink Driver with 4MHz internal oscillator. Each channel is individually adjustable with 4096 pulse-width modulated (PWM) steps. PWM control is repeated automatically with the programmed grayscale (GS) data. GS data are written via a serial interface port. The current value of all 24 channels is set by a single external resistor. It has a thermal shutdown (TSD) function that turn-OFF all output drivers during an over-temperature condition. All of the output drivers automatically restart when the temperature returns to normal conditions.
● CMOS logic level I/O
● Shift out data changes with falling edge to avoid data shift error
● Auto display repeat function
● Thermal shutdown (TSD) - Automatic shutdown at over-temperature conditions
● Noise reduction - 4-channel Grouped delay to prevent inrush current
● Constant-current accuracy - ±2% (typical) channel-to-channel and ±2% (typical) device-to-device
● Green product and no Sb/Br
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