STP08DP05 STMicroelectronics, STP08DP05 Datasheet

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STP08DP05

Manufacturer Part Number
STP08DP05
Description
Low-voltage 8-bit constant current LED sink with full outputs error detection
Manufacturer
STMicroelectronics
Datasheet

Specifications of STP08DP05

Output Current
5-100mA

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Features
Description
The STP08DP05 is a monolithic, low voltage, low
current power 8-bit shift register designed for LED
panel displays. The STP08DP05 contains a 8-bit
serial-in, parallel-out shift register that feeds a
8-bitD-type storage register. In the output stage,
eight regulated current sources were designed to
provide 5-100 mA constant current to drive the
LEDs.
The STP08DP05 is backward compatible in the
functionality and footprint with STP8C/L596 and
extends its functionality with open and short
detection on the outputs. The detection circuit
checks 3 different conditions that can occur on the
output line: short to GND, short to V
Table 1.
October 2009
Low voltage power supply down to 3 V
8 constant current output channels
Adjustable output current through external
resistor
Short and open output error detection
Serial data IN/parallel data OUT
3.3 V micro driver-able
Output current: 5-100 mA
30 MHz clock frequency
Available in high thermal efficiency TSSOP
exposed pad
ESD protection 2.5 kV HBM, 200 V MM
STP08DP05XTTR
STP08DP05MTR
STP08DP05B1R
STP08DP05TTR
Order codes
Device summary
TSSOP16 exposed-pad (Tape and reel)
O
or open line.
TSSOP16 (Tape and reel)
LED sink with full outputs error detection
SO-16 (Tape and reel)
Doc ID 13405 Rev 4
Package
DIP-16
Low voltage 8-bit constant current
The data detection results are loaded in the shift
register and shifted out via the serial line output.
The detection functionality is implemented without
increasing the pin number, through a secondary
function of the output enable and latch pin (DM1
and DM2 respectively), a dedicated logic
sequence allows the device to enter or leave from
detection mode. Through an external resistor,
users can adjust the STP08DP05 output current,
controlling in this way the light intensity of LEDs,
in addition, user can adjust LED’s brightness
intensity from 0% to 100% via OE/DM2 pin.
The STP08DP05 guarantees a 20 V output
driving capability, allowing users to connect more
LEDs in series. The high clock frequency,
30 MHz, also satisfies the system requirement of
high volume data transmission. The 3.3 V of
voltage supply is well useful for applications that
interface any micro from 3.3 V. Compared with a
standard TSSOP package, the TSSOP exposed
pad increases heat dissipation capability by a 2.5
factor.
TSSOP16
DIP-16
2500 parts per reel
2500 parts per reel
2500 parts per reel
STP08DP05
25 parts per tube
Packaging
(Exposed pad)
TSSOP16
SO-16
www.st.com
1/30
30

Related parts for STP08DP05

STP08DP05 Summary of contents

Page 1

... ESD protection 2.5 kV HBM, 200 V MM Description The STP08DP05 is a monolithic, low voltage, low current power 8-bit shift register designed for LED panel displays. The STP08DP05 contains a 8-bit serial-in, parallel-out shift register that feeds a 8-bitD-type storage register. In the output stage, ...

Page 2

... Timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 8 Typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 9 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 10 Detection mode functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 10.1 Phase one: “entering in detection mode“ 10.2 Phase two: “error detection“ 10.3 Phase three: “resuming to normal mode” 10.4 Error detection conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 11 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 12 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 2/30 Doc ID 13405 Rev 4 STP08DP05 ...

Page 3

... STP08DP05 1 Summary description Table 2. Typical current accuracy Output voltage ≥1.3 V 1.1 Pin connection and description Figure 1. Connections diagram Note: The exposed pad should be electrically connected to a metal land electrically isolated or connected to ground. Table 3. Pin description Pin n° 5- Current accuracy Between bits ± ...

Page 4

... Block diagram 2 Block diagram Figure 2. Normal mode - block diagram 4/30 Doc ID 13405 Rev 4 STP08DP05 ...

Page 5

... STP08DP05 3 Maximum rating Stressing the device above the rating listed in the “absolute maximum ratings” table may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the operating sections of this specification is not implied ...

Page 6

... Clock frequency CLK 1. If the device is connected in cascade, it may not be possible achieve the maximum data transfer. Please consider the timings carefully. 6/30 Test conditions OUTn SERIAL-OUT SERIAL-OUT 0. 3.0 to 5.0V DD (1) Cascade operation Doc ID 13405 Rev 4 STP08DP05 Min. Typ. Max. Unit 3 100 mA ...

Page 7

... STP08DP05 4 Electrical characteristics °C, unless otherwise specified. DD Table 7. Electrical characteristics Symbol Parameter V Input voltage high level IH V Input voltage low level IL I Output leakage current OH Output voltage V OL (Serial-OUT) Output voltage V OH (Serial-OUT) I OL1 I Output current OL2 I OL3 Δ ...

Page 8

... 3 Ω KΩ R EXT Doc ID 13405 Rev 4 STP08DP05 Min. Typ. Max 24 27 23 6 ...

Page 9

... STP08DP05 6 Equivalent circuit and outputs Figure 3. OE/DM2 terminal Figure 4. LE/DM1 terminal Figure 5. CLK, SDI terminal Figure 6. SDO terminal Equivalent circuit and outputs Doc ID 13405 Rev 4 9/30 ...

Page 10

... OUT0 to OUT7 = ON when OUT0 to OUT7 = OFF when 7.2 Timing diagram Figure 7. Timing diagram - normal mode 10/30 OE/DM2 SDI OUT0 ........ OUT0 ........ OUT7 ..... Dn -3 ..... ..... Dn -3 ..... Doc ID 13405 Rev 4 STP08DP05 Dn ..... Dn -5 ..... change OFF SDO ...

Page 11

... STP08DP05 Figure 8. Clock, serial-in, serial-out Figure 9. Clock, serial-in, latch, enable, outputs Truth table and timing diagram Doc ID 13405 Rev 4 11/30 ...

Page 12

... Truth table and timing diagram Figure 10. Outputs 12/30 Doc ID 13405 Rev 4 STP08DP05 ...

Page 13

... STP08DP05 8 Typical characteristics Figure 11. Output current °C, Vdrop = 0.3 V; 1.2 V, Iset = 3 mA; 5 mA; 10 mA; 20 mA; 50 mA; 80 mA, Max A Table 10. Output current-R Output current (mA) Rext (Ω) Note: Maximum output current capabilities setting was 130 mA applying a Rext = 124 resistor EXT resistor EXT ...

Page 14

... Doc ID 13405 Rev 4 STP08DP05 Vdd 5.0V Vdd 3. 100 110 Vdrop max Vdrop AVG (mV) (mV) 31.2 30.93 52.9 48.63 100 82.26 161 157 396 394.3 646 640.3 850 848 29 26.96 41.7 41.16 105 89 ...

Page 15

... STP08DP05 Figure 13. Power dissipation vs temperature package Note: The exposed-pad should be soldered to the PBC to realize the thermal benefits. Doc ID 13405 Rev 4 Typical characteristics 15/30 ...

Page 16

... Test circuit 9 Test circuit Figure 14. DC characteristics Figure 15. AC characteristics 16/30 Doc ID 13405 Rev 4 STP08DP05 ...

Page 17

... STP08DP05 Figure 16. Timing example for open and/or short detection Doc ID 13405 Rev 4 Test circuit 17/30 ...

Page 18

... After these five CLK cycles the device goes into the “error detection mode” and at the 6 rise front of CLK the SDI data are ready for the sampling. 18/30 1° 2° Doc ID 13405 Rev 4 STP08DP05 3° 4° 5° ...

Page 19

... STP08DP05 10.2 Phase two: “error detection“ The eight data bits must be set “1” in order to set ON all the outputs during the detection. The data are latched by LE/DM1 and after that the outputs are ready for the detection process. When the micro controller switches the OE/DM2 to LOW, the device drives the LEDs in order to analyze if an OPEN or SHORT condition has occurred ...

Page 20

... Figure 19. Resuming to normal mode timing diagram Note: For proper device operation the “entering in detection” sequence must be follow by a “resume mode” sequence, isn’t possible to insert consecutive equal sequence. 20/30 1° 2° Doc ID 13405 Rev 4 STP08DP05 3° 4° 5° ...

Page 21

... STP08DP05 10.4 Error detection conditions temperature range 25 °C. DD Table 14. Detection condition SW-1 or SW-3b SW-2 or SW-3a Note: Where the output current programmed by the the detected output current in detection mode. ODEC Figure 20. Detection circuit Open line or output short to GND ==> I ODEC detected Short on LED or short ≥ ...

Page 22

... Package mechanical data 11 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ® ECOPACK trademark. 22/30 Doc ID 13405 Rev 4 STP08DP05 ® ...

Page 23

... STP08DP05 DIM. MIN. a1 0. Plastic DIP-16 (0.25) MECHANICAL DATA mm. TYP MAX. 1.65 0.5 0.25 20 8.5 2.54 17.78 7.1 5.1 3.3 1.27 Doc ID 13405 Rev 4 Package mechanical data inch MIN. TYP. MAX. 0.020 0.030 0.065 0.020 0.010 0.787 0.335 0.100 0.700 0.280 0.201 0.130 0.050 P001C 23/30 ...

Page 24

... TSSOP16 MECHANICAL DATA mm. TYP MAX. 1.2 0.15 1 1.05 0.30 0.20 5 5.1 6.4 6.6 4.4 4.48 0.65 BSC 8˚ 0.60 0. Doc ID 13405 Rev 4 STP08DP05 inch MIN. TYP. MAX. 0.047 0.002 0.004 0.006 0.031 0.039 0.041 0.007 0.012 0.004 0.0079 0.193 0.197 0.201 0.244 0.252 0.260 0.169 0.173 0.176 0.0256 BSC 0˚ ...

Page 25

... STP08DP05 TSSOP16 EXPOSED PAD MECHANICAL DATA DIM. MIN 0.8 b 0.19 c 0.09 D 4.9 D1 2.7 E 6 0° L 0.45 mm. TYP MAX. MIN. 1.2 0.15 1 1.05 0.031 0.30 0.007 0.20 0.004 5 5.1 0.193 3.0 3.3 6.4 6.6 0.244 4.4 4.5 0.169 3.0 3.3 0.65 8° 0° 0.60 0.75 0.018 Doc ID 13405 Rev 4 Package mechanical data inch TYP. MAX. 0.047 0.004 0.006 ...

Page 26

... Tape & Reel TSSOP16 MECHANICAL DATA DIM. MIN 12 6.7 Bo 5.3 Ko 1.6 Po 3.9 P 7.9 26/30 mm. TYP MAX. MIN. 330 13.2 0.504 0.795 2.362 22.4 6.9 0.264 5.5 0.209 1.8 0.063 4.1 0.153 8.1 0.311 Doc ID 13405 Rev 4 STP08DP05 inch TYP. MAX. 12.992 0.519 0.882 0.272 0.217 0.071 0.161 0.319 ...

Page 27

... STP08DP05 DIM. MIN 0 0. 9 3.8 G 4 SO-16 MECHANICAL DATA mm. TYP MAX. 1.75 0.25 1.64 0.46 0.25 0.5 45° (typ.) 10 6.2 1.27 8.89 4.0 5.3 1.27 0.62 8° (max.) Doc ID 13405 Rev 4 Package mechanical data inch MIN. TYP. MAX. 0.068 0.004 0.010 0.063 0.013 0.018 0.007 0.010 0.019 0.385 0.393 ...

Page 28

... Package mechanical data DIM. MIN 12 6.45 Bo 10.3 Ko 2.1 Po 3.9 P 7.9 28/30 Tape & Reel SO-16 MECHANICAL DATA mm. TYP MAX. 330 13.2 22.4 6.65 10.5 2.3 4.1 8.1 Doc ID 13405 Rev 4 STP08DP05 inch MIN. TYP. MAX. 12.992 0.504 0.519 0.795 2.362 0.882 0.254 0.262 0.406 0.414 0.082 0.090 0.153 0.161 0.311 0.319 ...

Page 29

... STP08DP05 12 Revision history Table 15. Document revision history Date 3-Apr-2007 21-May-2007 08-Aug-2008 22-Oct-2009 Revision 1 First release 2 Updated Table 7 on page 7 Updated Section 8: Typical characteristics on page 13 3 Figure 12 and Figure 11 on page 14 page 15 4 Updated Note: on page 3 Doc ID 13405 Rev 4 Revision history Changes ...

Page 30

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 30/30 Please Read Carefully: © 2009 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 13405 Rev 4 STP08DP05 ...

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