STP16DPS05 STMicroelectronics, STP16DPS05 Datasheet - Page 21

• Manufacturer Part Number: STP16DPS05
• Description: Low voltage 16-bit constant current LED sink driver with outputs error detection
• Manufacturer: STMicroelectronics

Specifications of STP16DPS05

• Output Current: 20-85 mA

STP16DPS05
Typical schematic used to perform the error detection:
Figure 20. Error detection typical schematic
Using the follow formula is possible measure the Iodec
I
The tables below shows the I
The I
Table 14.
Table 15.
ODEC
ODEC
= (Vled-Vload) / Rload
Vdd (V)
Vdd (V)
3.3
5
is the current value recognized by the devices output open error detection
I
I
ODEC
ODEC
average value at 3.3 V
average value at 5 V
R
EXT
ODEC average
Iset (mA)
Iset (mA)
Doc ID 16538 Rev 2
Iset
10
20
50
80
10
20
50
80
5
5
DUT
Vdd
value at 3.3 V and 5.0 V of power supply voltage.
Out
GND
I
DEC
Rext (Ω)
Rext (Ω)
4270
2056
1006
4270
2056
1006
382
251
382
251
Detection mode functionality
Rload
Vled
Iout AVG (mA)
Iout AVG (mA)
2.097
10.46
26.92
35.03
25.54
6.79
1.98
6.09
9.67
38.9
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