TLC5951 Datasheet, PDF (36/46 Pages) Texas Instruments – 24-Channel, 12-Bit PWM LED Driver with 7-Bit Dot Correction and 3-Group, 8-Bit Global Brightness Control

TLC5951
SBVS127B – MARCH 2009 – REVISED DECEMBER 2009
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REVISION HISTORY
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision A (April 2009) to Revision B
Page
• Changed product status from mixed to production data ....................................................................................................... 1
• Changed TLC5951 RHA package status to production data ............................................................................................... 2
• Deleted footnote 2 from Ordering Information table ............................................................................................................. 2
• Changed test conditions of t_D8 in Switching Characteristics table ........................................................................................ 6
• Deleted footnote 1 from RHA pinout ..................................................................................................................................... 8
• Changed header for second column in Table 10 ............................................................................................................... 30
• Changed description for bits 175-168, 183-176, and 191-184 in Table 14 ........................................................................ 33
Changes from Original (March 2009) to Revision A
Page
• Changed T_SU3 minimum specification to 40 ns in the Recommended Operating Conditions table ...................................... 3
• Changed V_O minimum specification to maximum specification in the Recommended Operating Conditions table ............. 3
• Changed I_OH minimum specification to maximum specification in the Recommended Operating Conditions table ............ 3
• Changed I_OL minimum specification to maximum specification in the Recommended Operating Conditions table ............. 3
• Changed I_OLC minimum specification to maximum specification in the Recommended Operating Conditions table ........... 3
• Changed f_{CLK (SCLK)} minimum specification to maximum specification in the Recommended Operating Conditions
table ...................................................................................................................................................................................... 3
• Changed f_{CLK (GSCKR/G/B)} minimum specification to maximum specification in the Recommended Operating Conditions
table ...................................................................................................................................................................................... 3
• Changed I_CC2 typical value to 6 mA in the Electrical Characteristics table ........................................................................... 4
• Changed I_CC3 typical value to 12 mA and maximum value to 27 mA in the Electrical Characteristics table ........................ 4
• Changed I_CC4 typical value to 21 mA and maximum value to 55 mA in the Electrical Characteristics table ........................ 4
• Changed ΔI_OLC2 typical value to ±1% in the Electrical Characteristics table ........................................................................ 4
• Changed ΔI_OLC3 typical value to ±0.5% in the Electrical Characteristics table ..................................................................... 4
• Changed t_R0 typical value to 6 ns in the Switching Characteristics table ............................................................................. 6
• Changed t_F0 typical value to 6 ns in the Switching Characteristics table ............................................................................. 6
• Changed fourth paragraph of Maximum Constant Sink Current Value section to reference correct graph ....................... 21
• Changed DC function adjustment range description to reflect proper adjustment range for each control in Dot
Correction (DC) Function section ....................................................................................................................................... 21
• Changed brightness control to dot correction data in 288-Bit Common Shift Register section .......................................... 28
• Corrected number of bits contained within the DC/BC/FC/UD shift register in the DC/BC/FC/UD Shift Register
section ................................................................................................................................................................................. 29
• Corrected typo about which bits are written in the DC/BC/FC/UD Data Latch section ...................................................... 29
• Corrected percentage of adjustment rage selected in the Dot Correction Data Latch section .......................................... 29
• Deleted second paragraph of Status Information Data (SID) section ................................................................................ 32
• Updated LOD bit = '1' condition description in the Continuous Base LOD, LSD, and TEF section ................................... 34
36
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