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TLC5948APWPR Datasheet(PDF) 33 Page - Texas Instruments

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No. de pieza TLC5948APWPR
Descripción Electrónicos  16-Channel, 16-Bit, ES-PWM, Full Self-Diagnosis LED Driver
PDF  50 Pages
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TLC5948APWPR Datasheet(HTML) 33 Page - Texas Instruments

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TLC5948A
www.ti.com
SBVS192 – MARCH 2012
Table 11. LOD Threshold Voltage Truth Table
LODVLT
BIT 124
BIT 123
LED OPEN DETECTION (LOD) THRESHOLD VOLTAGE
0
0
VLOD0 (0.3 V, typ)
0
1
VLOD1 (0.6 V, typ)
1
0
VLOD2 (0.9 V, typ)
1
1
VLOD3 (1.2 V, typ)
Table 12. LSD Threshold Voltage Truth Table
LSDVLT
BIT 126
BIT 125
LED SHORT DETECTION (LSD) THRESHOLD VOLTAGE
0
0
VLSD0 (0.35 × VCC, typ)
0
1
VLSD1 (0.45 × VCC, typ)
1
0
VLSD2 (0.55 × VCC, typ)
1
1
VLSD3 (0.65 × VCC, typ)
Table 13. LOD and LSD Data Latch Time Truth Table
LATTMG
BIT 128
BIT 127
LOD and LSD DATA LATCH TIMING
0
0
17th GSCLK after BLANK bit is changed to '0' or GS counter is reset.(1)
0
1
33rd GSCLK after BLANK bit is changed to '0' or GS counter is reset.(1)
1
0
65th GSCLK after BLANK bit is changed to '0' or GS counter is reset.(1)
1
1
129th GSCLK after BLANK bit is changed to '0' or GS counter is reset.(1)
(1)
When DSPRPT is '1' and IDMRPT is '0', the resulting LOD and LSD data are loaded to the LOD and LSD data latch only once after new
GS data are written into the second GS data latch.
Table 14. IDM Sink Current Truth Table
IDMCUR
BIT 132
BIT 131
INVISIBLE DETECTION MODE (IDM) SINK CURRENT
0
0
2
μA (typ)
0
1
10
μA (typ)
1
0
20
μA (typ)
1
1
1 mA (typ)
Copyright © 2012, Texas Instruments Incorporated
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Product Folder Link(s): TLC5948A



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