IS32FL3746B
IS32FL3746B is 18x4 DOTS MATRIX LED DRIVER manufactured by Lumissil.
DESCRIPTION
The IS32FL3746B is a general purpose 18×n (n=1~4) LED Matrix programmed via 12MHz SPI interface. Each LED can be dimmed individually with 8-bit PWM data and 8-bit DC scaling data which allowing 256 steps of linear PWM dimming and 256 steps of DC current adjustable level.
Additionally each LED open state can be detected, IS32FL3746B store the open information in Open Registers. The Open Registers allowing MCU to read out via SPI, inform MCU whether there are LEDs open or short LEDs.
The IS32FL3746B operates from 2.7V to 5.5V and features a very low shutdown and operational current.
IS32FL3746B is available in WFQFN-32 (5mm×5mm) and e TQFP-32 packages. It operates from 2.7V to 5.5V over the temperature range of -40°C to +125°C.
February 2020
FEATURES
- Supply voltage range: 2.7V to 5.5V
- 18 current sinks
- Support 18×n (n=1~4) LED matrix configurations
- Accurate Color Rendition
- 8-bit PWM
- 8-bit Dot correction
- 8-bit Global current adjust
- SDB rising edge reset SPI module
- 29k Hz PWM frequency
- 12MHz SPI interface
- Individual open and short error detect function
- 180 degree phase delay operation to reduce power noise
- Spread spectrum
- De-Ghost
- WFQFN-32 (5mm×5mm) and e TQFP-32 packages
- AEC-Q100 Qualified
APPLICATIONS
- Automotive clusters
- Dashboards
- Automotive interiors
TYPICAL APPLICATION CIRCUIT
5V 29 VCC
3.3V
- Note 3 19 VIO
- Note 3
1 F 0.1 F
3.3V
Micro Controller
- Note...
