STP16CPPS05 STMicroelectronics, STP16CPPS05 Datasheet

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STP16CPPS05

Manufacturer Part Number
STP16CPPS05
Description
Low voltage 16-bit constant current LED sink driver with auto power-saving
Manufacturer
STMicroelectronics
Datasheet

Specifications of STP16CPPS05

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

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Features
Description
The STP16CPPS05 is a monolithic, low voltage,
low current power 16-bit shift register designed for
LED panel displays. The device features a 16-bit
serial-in, parallel-out shift register that feeds a
16-bit D-type storage register. In the output stage,
sixteen regulated current sources are designed to
provide 3 to 40 mA of constant current to drive the
LEDs.
Table 1.
October 2009
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
Low voltage power supply down to 3 V
16 constant current output channels
Adjustable output current through external
resistor
Serial data IN/parallel data OUT
Auto power-saving
3.3 V MCU-driving capability
Output current: 3 to 40 mA
30 MHz clock frequency
Available in high thermal efficiency TSSOP
exposed pad
ESD protection: 2 kV HBM, 200 V MM
STP16CPPS05XTTR
STP16CPPS05MTR
STP16CPPS05TTR
STP16CPPS05PTR
Order codes
Device summary
TSSOP24 exposed pad
Doc ID 16536 Rev 1
LED sink driver with auto power-saving
TSSOP24
QSOP-24
Package
Low voltage 16-bit constant current
SO-24
The STP16CPPS05 output current can be
adjusted through an external resistor to control
the light intensity of the LEDs.
LED brightness is adjustable from 0% to 100% via
the
The auto power-shutdown and auto power-ON
feature allows the device to save power with no
external intervention.
The STP16CPPS05 guarantees a 20 V output
driving capability, allowing users to connect more
LEDs in series. The high 30 MHz clock frequency
makes the device suitable for high data rate
transmission. The 3.3 V supply is well suited for
applications which interface a 3.3 V MCU.
Compared to a standard TSSOP package, the
TSSOP with exposed pad increases heat
dissipation capability by a factor of 2.5
OE
pin.
TSSOP24
QSOP-24
STP16CPPS05
1000 parts per reel
2500 parts per reel
2500 parts per reel
2500 parts per reel
(exposed pad)
Packaging
TSSOP24
SO-24
Preliminary data
www.st.com
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STP16CPPS05 Summary of contents

Page 1

... ESD protection HBM, 200 V MM Description The STP16CPPS05 is a monolithic, low voltage, low current power 16-bit shift register designed for LED panel displays. The device features a 16-bit serial-in, parallel-out shift register that feeds a 16-bit D-type storage register. In the output stage, ...

Page 2

... Pin connection and description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.3 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4 Equivalent circuit and outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5 Timing diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 6 Typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 6.1 Auto power-saving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 7 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 2/29 Doc ID 16536 Rev 1 STP16CPPS05 ...

Page 3

... STP16CPPS05 1 Summary description Table 2. Typical current accuracy Output voltage ≥ 1.3 V 1.1 Pin connection and description Figure 1. Pin connection Note: The exposed pad should be electrically connected to a metal land electrically isolated or connected to ground. Current accuracy Output current Between bits Between ICs ± 1% ± 2% ...

Page 4

... Latch input terminal - detect mode 1 (see operation principle) Output terminal Input terminal of output enable (active low) - detect mode 1 OE (see operation principle) SDO Serial data out terminal Input terminal for an external resistor for constant current R-EXT programming V Supply voltage terminal DD Doc ID 16536 Rev 1 STP16CPPS05 Name and function ...

Page 5

... STP16CPPS05 2 Electrical ratings 2.1 Absolute maximum ratings Stressing the device above the ratings 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 condition above those indicated in the operating sections of this specification is not implied ...

Page 6

... If the device is connected in cascade, it may not be possible achieve the maximum data transfer. Please consider the timings carefully. 6/29 Test conditions Min. 3.0 OUTn 3 SERIAL-OUT SERIAL-OUT 0 100 (1) Cascade operation Doc ID 16536 Rev 1 STP16CPPS05 Typ. Max. Unit 5 0 ...

Page 7

... STP16CPPS05 3 Electrical characteristics Table 7. Electrical characteristics Symbol 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 ΔI OL1 Output current error Δ ...

Page 8

... In order to achieve high cascade data transfer, please consider tr/tf timings carefully. 8/ °C, unless otherwise specified. A Test conditions GND 3 Ω KΩ R EXT L Doc ID 16536 Rev 1 STP16CPPS05 Min Typ Max V = 3.3 V 53 3.3 V 71.5 118 ...

Page 9

... STP16CPPS05 4 Equivalent circuit and outputs Figure 2. OE terminal Figure 3. LE terminal Figure 4. CLK, SDI terminal Equivalent circuit and outputs Doc ID 16536 Rev 1 9/29 ...

Page 10

... Equivalent circuit and outputs Figure 5. SDO terminal Figure 6. Block diagram 10/29 Doc ID 16536 Rev 1 STP16CPPS05 ...

Page 11

... STP16CPPS05 5 Timing diagrams Table 9. Truth table CLOCK Note: OUTn = ON when OUTn = OFF when Figure 7. Timing diagram Note: 1 Latch and output enable terminals are level-sensitive and are not synchronized with rising or falling edge of CLK signal. 2 When LE terminal is low level, the latch circuit holds previous set of data. ...

Page 12

... power-up, the device starts in shutdown mode. 2. Undefined. Figure 8. Clock, serial-in, serial-out 12/29 SDI ........... SDI ............ SDI All = L No change One or more = H Doc ID 16536 Rev 1 STP16CPPS05 Auto SH OUTn Power-up (1) Active Not active OFF No change No change No change Not active Active X (2) ...

Page 13

... STP16CPPS05 Figure 9. Clock, serial-in, latch, enable, outputs LE OE OUTn Figure 10. Outputs OUTn Doc ID 16536 Rev 1 Timing diagrams 13/29 ...

Page 14

... Figure 11. Output current vs. R-EXT resistor Table 11. Output current vs. R-EXT resistor 14/29 25000 20000 15000 10000 5000 Current (mA) R-EXT (Ω) 23700 11730 6930 4090 2025 1000 667 497 331 Doc ID 16536 Rev 1 STP16CPPS05 Output current (mA ...

Page 15

... STP16CPPS05 Conditions: Temperature = 25 °C, V Figure 12. I SET 1200 1000 800 600 400 200 Table 12. I SET Iout (mA 3 mA; 5 mA; 10 mA; 20 mA; 50 mA; 60 mA. DD SET vs. dropout voltage (V ) drop Current (mA) vs ...

Page 16

... Vdd = 3 Figure 13. Output current vs. ± ΔI Figure 14. Idd ON/OFF 16/29 (%) Iset (mA) Doc ID 16536 Rev 1 STP16CPPS05 AVG IDD ON @ 5.0V AVG IDD ON @ 3.3V AVG IDD OFF @ 5.0V AVG IDD OFF @ 3. ...

Page 17

... STP16CPPS05 Figure 15. Power dissipation vs. package temperature Note: The exposed pad should be soldered to the PCB to obtain the thermal benefits. Figure 16. Turn ON output current characteristics Electrical conditions: Vdd = 3.3 V, Vin = Vdd, Vled = 3 Ω Ch1 (Yellow) = OE, Ch2 (Blue) = CLK, Ch3 (Purple) = VOUT, Ch4 (Green) = OUT 1 ...

Page 18

... Figure 18. Auto power-saving feature Electrical conditions: Temp °C, Vdd = 3.3 V, Vin = Vdd, Vled = 3 Ω Ch1 (Yellow) = OE, Ch2 (Blue) = CLK, Ch3 (Purple) = LE, Ch4 (Green) = idd Idd consumption: Idd (normal operation) = 4.2 mA Idd (shut down condition) = 190 µA 18/29 Doc ID 16536 Rev 1 STP16CPPS05 ...

Page 19

... STP16CPPS05 Figure 19. First output ON after switching from auto power saving to normal operating condition Electrical conditions: temp °C, Vdd = 3.3 V, Vin = Vdd, Vled = 3.0 V, Iset = 20 mA Ch1 (Yellow) = SDI, Ch2 (Blue) = CLK, Ch3 (Purple) = LE, Ch4 (Green) = first output ON Note: When the device goes from AUTO power saving to normal operative condition, the first output that switch ON shows TON condition as seen in the plot above ...

Page 20

... Max 1.54 1.62 1.73 0.1 0.15 0.25 1.47 0.31 0.2 0.254 0.17 8.56 8.66 8.76 5.8 6 6.2 3.8 3.91 4.01 0.635 0.4 0.635 0.89 0.25 0.33 0.41 8° 0° Doc ID 16536 Rev 1 STP16CPPS05 inch Min Typ Max 0.061 0.064 0.068 0.004 0.006 0.010 0.058 0.012 0.008 0.010 0.007 0.337 0.341 0.345 0.228 0.236 0.244 0.150 0.154 0.158 0.025 0.016 0.025 0.035 0.010 0.013 0.016 ...

Page 21

... STP16CPPS05 Figure 20. QSOP-24 package dimensions Doc ID 16536 Rev 1 Package mechanical data 21/29 ...

Page 22

... Package mechanical data Table 14. QSOP-24 tape and reel Dim eint e1 Figure 21. QSOP-24 tape and reel dimensions 0.3+/-0.05 0.3+/-0.05 22/29 mm. Min Typ Max 12.8 13 13.5 330 100 16.4 1.5 2 2.5 2.0+/-0.1 2.0+/-0.1 1.5+1/0 1.5+1/0 8 +/-0.1 8 +/-0.1 2.1 +/-0.1 2.1 +/-0.1 Doc ID 16536 Rev 1 STP16CPPS05 Inches Min Typ 5.039 5.118 129.921 39.37 6.457 0.591 0.787 4.0+/-0.1 4.0+/-0.1 1.75+/-0.1 1.75+/-0.1 16 +/-0.3 16 +/-0.3 1.6 +1/-0.1 1.6 +1/-0.1 Max 5.315 0.984 7217811_C ...

Page 23

... STP16CPPS05 Table 15. TSSOP24 mechanical data Dim Figure 22. TSSOP24 package dimensions mm. Min Typ Max 1.1 0.05 0.15 0.9 0.19 0.30 0.09 0.20 7.7 7.9 4.3 4.5 0.65 BSC 6.25 6.5 0° 8° 0.50 0.70 Doc ID 16536 Rev 1 Package mechanical data Inches Min Typ Max 0.043 0.002 0.006 0.035 0.0075 0.0118 0.0035 0.0079 0.303 0.311 ...

Page 24

... Typ Max 1.2 0.15 0.8 1 1.05 0.19 0.30 0.09 0.20 7.7 7.8 7.9 4.7 5.0 5.3 6.2 6.4 6.6 4.3 4.4 4.5 2.9 3.2 3.5 0.65 0° 8° 0.45 0.60 0.75 Doc ID 16536 Rev 1 STP16CPPS05 Inches Min Typ Max 0.047 0.004 0.006 0.031 0.039 0.041 0.007 0.012 0.004 0.0089 0.303 0.307 0.311 0.185 0.197 0.209 0.244 0.252 0.260 0.169 0.173 0.177 0.114 0.126 0.138 0.0256 0° 8° ...

Page 25

... STP16CPPS05 Table 17. Tape and reel TSSOP24 and TSSOP24 exposed pad Dim Figure 24. TSSOP24 and TSSOP24 exposed pad tape and reel dimensions mm. Min Typ Max 330 12.8 13.2 20.2 60 22.4 6.8 7 8.2 8.4 1.7 1.9 3.9 4.1 11.9 12.1 Doc ID 16536 Rev 1 Package mechanical data Inches Min Typ Max 12 ...

Page 26

... Figure 25. SO-24 package dimensions 26/29 mm. Min Typ Max 2.65 0.1 0.2 2.45 0.35 0.49 0.23 0.32 0.5 15.20 15.60 10.00 10.65 1.27 13.97 7.40 7.60 0.50 1.27 Doc ID 16536 Rev 1 STP16CPPS05 Inches Min Typ 0.004 0.014 0.009 0.020 45°(typ.) 0.598 0.393 0.050 0.550 0.291 0.020 °(max.) 8 Max 0.104 0.008 0.096 0.019 0.012 0.614 0.419 0.300 0.050 ...

Page 27

... STP16CPPS05 Table 19. Tape and reel SO-24 Dim Figure 26. SO-24 tape and reel dimensions mm. Min Typ Max 330 12.8 13.2 20.2 60 30.4 10.8 11.0 15.7 15.9 2.9 3.1 3.9 4.1 11.9 12.1 Doc ID 16536 Rev 1 Package mechanical data Inches Min Typ Max 12.992 0.504 0.519 0.795 2.362 1.197 0.425 0.433 0.618 0.626 0.114 ...

Page 28

... Revision history 8 Revision history Table 20. Document revision history Date 23-Oct-2009 28/29 Revision 1 Initial release. Doc ID 16536 Rev 1 STP16CPPS05 Changes ...

Page 29

... STP16CPPS05 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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