This evaluation board based on the PM6600 consists of a high efficiency monolithic boost converter and six controlled current generators (rows) specifically designed to supply LEDs arrays used in the backlight of LCD panels. The device can manage an output voltage up to 36 V (i.e. ten white-LEDs per row).
The generators can be externally programmed to sink up to 30 mA and can be dimmed via a PWM signal (1% dimming duty-cycle at 20 kHz can be managed).
The device allows to detect and manage the open and shorted LED faults and to let unused rows floating. Basic protections (output over-voltage, internal MOSFET overcurrent and thermal shutdown) are provided.
The board labeled PM6600EVAL is the same as STEVAL-ISA056V1.
| Manufacturer | STMicroelectronics |
|---|---|
| Category | Lighting |
| Sub-Category | LED Drivers - DC In |
| Eval Board Part Number | 497-8414-ND |
| Eval Board Supplier | STMicroelectronics |
| Eval Board |
Board not Stocked
|
| Voltage In |
4.5 ~ 28 V
|
| Topology |
Step Up
|
| Current Out |
30 mA
|
| Voltage Out (Max) |
36 V
|
| Outputs and Type |
6 Non-Isolated
|
| Efficiency @ Conditions |
>90%, 9 ~ 24V in, 60 LEDs @ 20 mA
|
| Features |
Dimming Control
Light Load Mode Over Current Protection Over Voltage Protection Shutdown, Enable, Standby Soft Start Synchronizable Thermal Protection |
| Switching Frequency |
200 kHz ~ 1 MHz
|
| Component Count + Extras |
26 + 17
|
| Design Author |
STMicroelectronics
|
| Application / Target Market |
LCD Backlighting
|
| Main I.C. Base Part |
PM6600
|
| Date Created By Author | |
| Date Added To Library | 2017-05 |
Austria
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