The LED1642GWXTTR is a 16-channel LED Driver with error detection, current gain control and 12/16-bit PWM brightness control. The monolithic low voltage/low current power 16-bit shift register designed for LED panel displays. The LED1642GW guarantees 20V output driving capability allowing the user to connect several LEDs in series. In the output stage, sixteen regulated current sources provide from 3 to 40mA constant current to drive the LEDs. The current is programmed through an external resistor and can be adjusted by a 7-bit current gain register in two sub ranges. The brightness can be adjusted separately for each channel through 12/16-bit grayscale control. Programmable turn-ON and turn-OFF time (four different values available) improves the low noise generation performance of the system. Open/short error detection mode. The auto power-shutdown and auto power-ON features (selectable) allow the device to save power without external intervention.
- 16 Constant current output channels
- Current programmable through external resistor
- 7-bit Global current gain adjustment in two ranges
- Programmable output turn-ON/OFF time
- Error detection mode (both open and shorted-LED)
- Programmable shorted-LED detection thresholds
- Auto power-saving/auto-wakeup
- Thermal management includes an over-temperature data alert and output thermal shutdown (170°C)
Applications
LED Lighting
Warnings Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
Product details
| Device Topology |
Constant Current |
| No. of Outputs |
16Outputs |
| Output Current |
40mA |
| Output Voltage |
19V |
| Driver Case Style |
HTSSOP |
| No. of Pins |
24Pins |
| Input Voltage Min |
3V |
| Input Voltage Max |
5.5V |
| Switching Frequency |
30MHz |
| Operating Temperature Min |
-40°C |
| Operating Temperature Max |
85°C |
| Product Range |
- |
| Automotive Qualification Standard |
- |
| MSL |
MSL 3 - 168 hours |
Other details
| Brand |
STMICROELECTRONICS |
| Part Number |
LED1642GWXTTR |
| Quantity |
Each (Supplied on Cut Tape) |
| Technical Data Sheet EN |
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| Technical Data Sheet EN |
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| Product Change Notice EN |
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