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| TLC5960 Datasheet, PDF (6/33 Pages) Texas Instruments – Eight-Channel LED Driver with Intelligent Headroom Voltage Monitor (iHVM) | |||
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TLC5960
SBVS147 â SEPTEMBER 2010
FUNCTIONAL BLOCK DIAGRAM
DC/DC 1
VIN
DC/DC 2
DC/DC 3
DC/DC 4
HVM1
HVM2
HVM3
HVM4
HVM
Configuration
HVM1
(Ch1, Ch2)
HVM2
(Ch3, Ch4)
HVM3
(Ch5, Ch6)
HVM4
(Ch7, Ch8)
EN
CTRL1
PWM1
CTRL2
PWM2
CTRL3
PWM3
CTRL4
PWM4
PWM
Control Logic
CTRL1
(Ch1, Ch2)
CTRL2
(Ch3, Ch4)
CTRL3
(Ch5, Ch6)
CTRL4
(Ch7, Ch8)
XFLT
XFLT
Buffer
VIN
VREG5
LDO
Regulator
VADJ
0V to 1.4V
Thermal
Shutdown
VREF
Analog
Input
Buffer
GND
TLC5960
HVM
Fault Detection
Channel 1 D1
Driver Control Driver
G1
Phase Delay
VREF
S1
HVM
Fault Detection
Channel 2 D2
Driver Control Driver
G2
Phase Delay
VREF
S2
HVM
Fault Detection
Channel 3 D3
Driver Control Driver
G3
Phase Delay
VREF
S3
HVM
Fault Detection
Channel 4 D4
Driver Control Driver
G4
Phase Delay
VREF
S4
HVM
Fault Detection
Channel 5 D5
Driver Control Driver
G5
Phase Delay
VREF
S5
HVM
Fault Detection
Channel 6 D6
Driver Control Driver
G6
Phase Delay
VREF
S6
HVM
Fault Detection
Channel 7 D7
Driver Control Driver
G7
Phase Delay
VREF
S7
HVM
Fault Detection
Channel 8 D8
Driver Control Driver
G8
Phase Delay
VREF
S8
www.ti.com
Figure 1. Configuration with Four PWM Inputs and Four DC/DC Converters
6
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Product Folder Link(s): TLC5960
Copyright © 2010, Texas Instruments Incorporated
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