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DLPC3430 Datasheet(PDF) 34 Page - Texas Instruments

Part # DLPC3430
Description  DLPA2000 Power Management and LED/Lamp Driver IC
PDF  58 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

DLPC3430 Datasheet(HTML) 34 Page - Texas Instruments

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34
DLPA2000
DLPS043B – JUNE 2014 – REVISED FEBRUARY 2018
www.ti.com
Product Folder Links: DLPA2000
Submit Documentation Feedback
Copyright © 2014–2018, Texas Instruments Incorporated
7.5.10 Switch On/Off Control (Direct Mode)
Figure 25. Switch On/Off Control (Direct Mode), Address = 09h, HEX = 00
7
6
5
4
3
2
1
0
SWCNTRL [79:72]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset.
Table 20. Switch On/Off Control (Direct Mode) Field Descriptions
BIT
FIELD
TYPE
RESET
DESCRIPTION
79
SWCNTRL
R/W
0
SW6 (controls switch 6 if direct mode
(see reg 11h) is enabled)
00000
00001
.....
11110
11111
2.3 V (minimum value – default value)
2.37 V
Step approximately 70 mV
4.43 V
4.5 V (maximum value)
78
R/W
0
SW5 (controls switch 5 if direct mode
(see reg 11h) is enabled)
77
R/W
0
SW4 (controls switch 4 if direct mode
(see reg 11h) is enabled)
76:72
R/W
00000
UVLO_TRIM<4:0>
7.5.11 AFE (MUX) Control
Figure 26. AFE (MUX) Control, Address = 0Ah, HEX = 00
7
6
5
4
3
2
1
0
AFE [87:80]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset.
Table 21. AFE (MUX) Control Field Descriptions
BIT
FIELD
TYPE
RESET
DESCRIPTION
87
AFE
R/W
00
AFE_EN
86
R/W
00
AFE_CAL_DIS
85:84
R/W
00
AFE_GAIN<1:0>
83:80
R/W
00
AFE_SEL<3:0>
7.5.12 Break Before Make (BBM) Timing
Figure 27. BBM Timing, Address = 0Bh, HEX = 00
7
6
5
4
3
2
1
0
BBM [95:88]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset.
(1)
It takes 333 to 444 ns to turn off the switches from the time a change occurs on LED_SEL[1:0].
Table 22. BBM Timing Field Descriptions(1)
BIT
FIELD
TYPE
RESET
DESCRIPTION
95:88
BBM
R/W
00000000
BBM_DELAY<7:0>
0x00 – 0 ns
0x40 – 7326 ns
0x80 – 14430 ns
0xC0 – 21534 ns
0x01 – 333 ns
0x41 – 7437 ns
0x81 – 14541 ns
0xC1 – 21645 ns
0x02 – 444 ns
0x42 – 7548 ns
0x82 – 14652 ns
0xC2 – 21756 ns
...
...
...
...
0x3E – 7104 ns
0x7E – 14208 ns
0xBE – 21312 ns
0xFE – 28416 ns
0x3F – 7215 ns
0x7F – 14319 ns
0xBF – 21423 ns
0xFF – 28527 ns



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