TLC5911

LED DRIVER

SLLS402 – DECEMBER 1999

1

POST OFFICE BOX 655303

– 80 mA (Current Sink) x 16 Bits

– 5 to 80 mA (Current Value Setting for All

Output Terminals Using External Resistor

and Internal Brightness Control Register)

–

±4 % (Maximum Error Between Bits)

Terminals

– Minimum 0.4 V (Output Current 5 mA to

40 mA)

– Minimum 0.7 V (Output Current 40 mA to

80 mA)

– Pulse Width Control 1024 Steps

– All Output Current Adjustment for 64

Steps (Adjustment for Brightness

Deviation Between LED Modules)

– Output Current Adjustment by Output

(OUT0 to OUT15) for 128 Steps

(Adjustment for Brightness Deviation

Between Dots)

– Brightness Control by 16 Steps

Frequency Division Gray Scale Control

Clock (Brightness Adjustment for Panel)

– Gray Scale Control Clock Generation by

Internal PLL or External Input Selectable

Cascade Operation

– Clock Invert Selectable to Reduce

Changes in Duty Ratio

– Watchdog Timer (WDT) Function (Turn

Output Off When Scan Signal Stopped)

– Thermal Shutdown (TSD) Function (Turn

Output Off When Junction Temperature

Exceeds Limit)

– LED Open Detection (Detection for LED

Disconnection)

– Port A (for Data Display)

– Clock Synchronized 10 Bit Parallel Input

(Schmitt-Triggered Input)

– Clock Synchronized 10 Bit Parallel

Output (3-State Output)

– Port B (for Dot Correction Data)

– Clock Synchronized 7 Bit Parallel Input

(Schmitt-Triggered Input)

– Clock Synchronized 7 Bit Parallel Output

– CMOS Level

– 4.5 V to 5.5 V (Logic, Analog and

Constant Current)

– 3 V to 5.5 V (Interface)

– 16 MHz (Max) Using Internal PLL

– 8 MHz (Max) Using External Clock

–20

°C to 85°C

† Adjustable for these functions independently.

‡ Allows to write all the data at port A by setting.

Copyright

© 1999, Texas Instruments Incorporated

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.