STMicroelectronics LED1642GWPTR
| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 24-SSOP (0.154", 3.90mm Width) |
| Frequency | 30MHz |
| Mfr | STMicroelectronics |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Type | Linear |
| Number of Outputs | 16 |
| Voltage - Output | 19V |
| Applications | Signage |
| Supplier Device Package | 24-QSOP |
| Dimming | PWM |
| Topology | Shift Register |
| Current - Output / Channel | 40mA |
| Internal Switch(s) | Yes |
| Voltage - Supply (Max) | 5.5V |
| Voltage - Supply (Min) | 3V |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Base Product Number | LED1642 |
| REACH Status | REACH Unaffected |
| Standard Package | 2,500 |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
LED1642GWPTR Chip Overview -- LED Driver IC
The LED1642GWPTR is a high-performance, 16-channel LED driver designed by STMicroelectronics for driving high-brightness LEDs in various applications. This device features a constant current source that can deliver output currents ranging from 3 mA to 40 mA per channel. It operates over a supply voltage range of 3V to 5.5V and supports a maximum switching frequency of 30 MHz. Housed in a 24-pin QSOP package, the LED1642GWPTR is suitable for surface-mount applications and offers excellent thermal performance.
LED1642GWPTR Features
The LED1642GWPTR includes 16 constant current output channels, each capable of delivering up to 40 mA of current. The output current can be programmed via an external resistor and further adjusted using a 7-bit global current gain control register. Additionally, the device supports 12-bit or 16-bit PWM brightness control for each channel, allowing precise control over LED brightness. It also features open/short circuit detection for each LED channel, with programmable thresholds for short-circuit detection.
LED1642GWPTR Applications
The LED1642GWPTR is ideal for a wide range of applications that require precise control over LED brightness and current. These include full-color and monochrome large displays, LED signage, and backlighting for LCD panels. Its ability to drive multiple LEDs in series makes it suitable for applications where high brightness and uniform illumination are required. The device's high switching frequency and PWM brightness control also make it suitable for applications requiring high dynamic range and fast response times.
Advantages of Choosing LED1642GWPTR
Choosing the LED1642GWPTR offers several advantages. Its wide current range and programmable current control allow for flexible design options and precise brightness control. The device's error detection and thermal management features ensure reliable operation and protect against overcurrent and overheating. Additionally, the LED1642GWPTR's high switching frequency and PWM control enable high data rate transmission and dynamic brightness adjustment, making it suitable for demanding applications. Its compact QSOP-24 package also makes it suitable for space-constrained designs.
