The LED1202 from STMicroelectronics is a programmable 12-channel low quiescent current LED driver. The device guarantees 5 V output driving capability and has 12 low-side current generators allowing each channel to provide up to 20 mA output current with a headroom voltage of just 350 mV (typ.)
The LED1202 LED driver offers maximum design flexibility by allowing separate output current adjustment for each channel by 8-bit analog and 12-bit digital dimming control, this allows the driver to deliver smoother more realistic lighting effects.
The LED1202 LED driver is part of STMicroelectronics Sustainable Technology program and features low quiescent current of 4 uA (typ.) making it suitable for use in portable battery powered applications such as wearables.
LED1202 simplified block diagram
Multiple device connection concept
The LED1202 device also includes inbuilt thermal shutdown protection and open LED detection and is included in STMicroelectronics 10-year Longevity Program giving developers the reassurance to use the product in new designs.
Evaluation Board
The LED1202 programmable 12-channel low quiescent current LED driver is supported by the X-NUCLEO-LED12A1 LED driver STM32 Nucleo expansion board, this board features four LED1202 devices that can drive up to 48 LEDs allowing developers to experiment with the full capabilities of the device.
The X-NUCLEO-LED12A1 expansion board comes with an additional LED panel board that houses two LEDs matrices: a 6x8 white LED matrix and a 4x4 RGB matrix.
LED matrices can be supplied via an external power supply connected to J13 connector and by selecting the right path through J15 jumper to reach the maximum luminosity available.
The LED1202 is available in a choice of packages, WLCSP20 measuring 1.71 x 2.16 x 0.5 mm with 0.4 mm pitch and a QFN20 package measuring 3 x 3 x 0.6 mm with 0.5 mm pitch. The device has an operating temperature range of -40°C to +85°C.
The LED1202 programmable 12-channel low quiescent current LED driver is suitable for a range of applications including general lighting, signage, small appliances and wearables
Anglia are offering customers a FREE evaluation board and samples of the LED1202 12-Channel low quiescent current LED driver from STMicroelectronics, please fill in the form below to register your interest now.
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