STP16DPP05 STMicroelectronics, STP16DPP05 Datasheet - Page 22

• Manufacturer Part Number: STP16DPP05
• Description: Low voltage 16-bit constant current LED sink driver with output error detection
• Manufacturer: STMicroelectronics

Specifications of STP16DPP05

• Output Current: 3 to 40 mA
• Esd Protection: 2 kV HBM, 200 V MM

Error detection mode functionality
22/32
Figure 23. Error detection sequence
Feeding 16 bit of CLK signal af ter
entering the EDM, the SDI signal, set to
1, is loaded in the shif t register
Turn ON the output with the OE/DM2 pin and wait 1 µs to
have the correct output status acquisition. During this time
a minimum of three CLK pulses are required (2 at the
beginning and 1 at the end) to rewrite the shif t register.
OE/DM2 and LE/DM1
sequence signals to
start the error
detection sequence
Doc ID 16518 Rev 1
Ignore
On the rising edge of f irst CLK pulse af ter the detection, the SDO
provides the Output status f eedback with the sequence Out 15;
Out 14…Out 0.
In this case all the outputs are in f ault condition (Open or Short)
This LE/DM1 pulse latch
the data to the outputs
This OE/DM2 pulse put the
device in Normal Mode
Condition af ter EDM test
STP16DPP05