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TLD7002-16SYS_EVAL board
User guide
2 Quick start
2
Quick start
2.1
Operational modes summary
The TLD7002-16SYS_EVAL can operate in three different manners.
•
Fail safe operation
•
GPINx direct drive control
•
HSLI bus control
2.2
Fail safe operation
The TLD7002-16ES devices on the TLD7002-16SYS_EVAL are programmed watchdog timeout set to 2 s. If within
2 seconds from the board power up, no HSLI communication is received by the TLD7002-16ES, then the fail safe
configuration will turn on as shown in figure below.
To check the device in Fail safe operation:
1.
Close JVS_VL in order to use a single power supply (or use 2 power supplies for VS and VLED_REV)
2.
Connect the GND at the - terminal of a 6 V to 20 V 500 mA power supply
3.
Connect VS_REV to the + terminal of the power supply
4.
The OTP programmed fail safe configuration will turn on after 2 s as shown in figure below
Figure 3
TLD7002-16SYS_EVAL fail safe operation with 1 supply only
User guide
7
Revision 1.00
2023-05-29
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