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may 2006 rev 3 1/24 24 stp04cm596 4-bit constant current for power-led led sink driver general features 4 constant current output channels adjustable output current through one external resistor serial data in/parallel data out serial out change state on the failing edges of clock four outputs current: 80-500ma 25mhz clock frequency available in high thermal tssop exposed pad. description the stp04cm596 is a high-power led driver and 4-bit shift register designed for powerled applications. the stp04cm596 contains a 4-bit serial in, parallel out shift register that feeds a 4-bit d- type storage register. in the output stage, four regulated current sources were designed to provide 80-500ma constant current to drive the high powered leds. the stp04cm596 guarantees 16v output driving capability, allowing users to connect more leds in series. the high clock frequency, 25 mhz, also satisfies the system requ irements which include high volume data transmission. the stp04cm596 is well suited for very high brightness displays and special lighting applications. the stp04cm596 is offered in dip-14, so-14 and tssop16 exposed pad packages. so-14 dip-14 tssop16 (exposed pad) www.st.com order codes part number package packaging stp04c596b1r dip-24 25 parts per tube STP04C596M so-24 (tube) 50 parts per tube STP04C596Mtr so-24 (tape & reel) 2500 parts per reel stp04c596xttr tssop24 exposed-pad (tape & reel) 2500 parts per reel
contents stp04cm596 2/24 contents 1 internal schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.2 pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.1 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.2 recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5 equivalent circuit of inputs and outputs . . . . . . . . . . . . . . . . . . . . . . . . . 9 6 timing diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 7 test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 8 typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 9 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 10 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
stp04cm596 internal schematic 3/24 1 internal schematic figure 1. block diagram
pin settings stp04cm596 4/24 2 pin settings 2.1 pin connection figure 2. pin connection 2.2 pin description tssop16 (exposed pad) dip-14/so-14 table 1. pin description dip-14 and so-14 pin n tssop16 pin n symbol name and function 1 1, 2 gnd ground terminal 2 3 sdi serial data input terminal 3 4 clk clock input terminal 4 5 le latch input terminal 5 6 out 0 output terminal 6 7 out 1 output terminal 7, 8 8, 9, 12 n.c. not connected 9 10 out 2 output terminal 10 11 out 3 output terminal 11 13 oe output enable input terminal (active low) 12 14 sdo serial data out terminal 13 15 r-ext constant current programming 14 16 v dd 5v supply voltage terminal
stp04cm596 maximum rating 5/24 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. exposure to absolute maximum rating conditions for extended periods may affect device reliability. refer also to the stmicroelectronics sure program and other relevant quality documents. 3.1 thermal data table 2. absolute maximum ratings symbol parameter value unit v dd supply voltage 0 to 7 v v o output voltage -0.5 to 16 v i o output current 500 ma v i input voltage -0.4 to v dd +0.4 v i gnd gnd terminal current 2000 ma f clk clock frequency 25 mhz t opr operating temperature range -40 to +125 c t stg storage temperature range -55 to +150 c table 3. thermal data symbol parameter dip- 14 so-14 tssop16 unit r thja thermal resistance junction-ambient 70 (1) 1. 1w of dissipated power, mounted on the board 105 (2) 2. 1w of dissipated power ,mounted on sm pcb1 sgs board 37.5 (3) 3. using the pcb multi-layer jedec standard test boards c/w
maximum rating stp04cm596 6/24 3.2 recommended operating conditions table 4. recommended operating conditions symbol parameter test conditions min typ max unit v dd supply voltage 3.3 5.0 5.5 v v o output voltage 16.0 v i o output current outn v dd = 5v 80 500 ma i oh output current serial-out +1 ma i ol output current serial-out -1 ma v ih input voltage 0.7v dd v dd +0.3 v v il input voltage -0.3 0.3v dd v t wlat le pulse width v dd = 3.0 to 3.6v 20 6.5 ns t wclk clk pulse width 20 7.0 ns t wen oe pulse width 400 100 ns t setup(d) setup time for data 20 3.3 ns t hold(d) hold time for data 15 1.5 ns t setup(l) setup time for latch 15 5 ns t hold(e) hold time for enable 60 38 ns f clk clock frequency cascade operation (1) 1. if multiple devices are cascaded, it may not be possible achieve the maximum data transfer. please consider the timing conditions carefully. 25 mhz t opr operating temperature range -40 +125 c
stp04cm596 electrical characteristics 7/24 4 electrical characteristics table 5. current accuracy output voltage current accuracy output current between bits between ics 0.7v typ. 1% 6% 80 to 500 ma table 6. electrical characteristics (v dd = 5v, t a = 25c, unless otherwise specified.) symbol parameter test cond itions min. typ. max. unit v ih input voltage high level 0.7v dd v dd v v il input voltage low level gnd 0.3v dd v i oh output leakage current v oh = 16 v 10 a v ol output voltage (serial- out) i ol = 1ma 0.4 v v oh output voltage (serial- out) i oh = -1ma v dd -0.4v v i ol1 output current v o = 0.7vr ext = 910 ? 77 82 87 ma i ol2 v o = 0.7vr ext = 160 ? 470 500 530 ma ? i ol1 output current error between bit (all output on) v o = 0.7vr ext = 910 ? 1 3% ? i ol2 v o = 0.7vr ext = 160 ? 0.5 3 % r sin(up) pull-up resistor 150 300 600 k ? r sin(down ) pull-down resistor 100 200 400 k ? i dd(off1) supply current (off) r ext = open out 0 to 3 = off 0.3 0.6 ma i dd(off2) r ext = 470 ? out 0 to 3 = off 5.2 8.0 i dd(off3) r ext = 250 ? out 0 to 3 = off 8.0 12 i dd(on1) supply current (on) r ext = 470 ? out 0 to 3 = on 5.6 8.0 i dd(on2) r ext = 250 ? out 0 to 3 = on 8.3 12
electrical characteristics stp04cm596 8/24 table 7. switching characteristics (v dd =5v, t = 25c, unless otherwise specified.) symbol parameter test conditions min typ max unit t plh1 propagation delay time, clk-outn , le = h, oe = l v dd = 5 vv ih = v dd v il = gndc l = 13pf i o = 40mav l = 3 v r ext = 470 ? r l = 65 ? 100 160 ns t plh2 propagation delay time, le-outn , oe = l 100 150 ns t plh3 propagation delay time, oe -outn , le = h 90 140 ns t plh propagation delay time, clk-sdo 30 40 ns t phl1 propagation delay time, clk-outn , le = h, oe = l 40 60 ns t phl2 propagation delay time, le -outn , oe = l 35 50 ns t phl3 propagation delay time, oe -outn , le = h 40 70 ns t phl propagation delay time, clk-sdo 30 40 ns t r output rise time (1) 1. if multiple devices are cascaded, it may not be possible achieve the maximum data transfer. please consider the timing conditions carefully. v o = 1.6 v, r l = 1 ? r ext = 470 ? 300 400 ns t f output fall time (1) 55 80 ns
stp04cm596 equivalent circuit of inputs and outputs 9/24 5 equivalent circuit of inputs and outputs figure 3. oe terminal figure 4. le terminal figure 5. clk, sdi terminal
equivalent circuit of inputs and outputs stp04cm596 10/24 figure 6. sdo terminal
stp04cm596 timing diagrams 11/24 6 timing diagrams figure 7. timing diagram note: the latches circuit holds data when the le terminal is low. 1 when the le terminal is at a high level, the latch circuit holds the data it passes from the input to the output. 2 when the oe terminal is at a low level, the output terminals out0 to out3 respond to the data, either on or off. 3 when the oe terminal is at a high level, it switches off all the data on the output terminal.
timing diagrams stp04cm596 12/24 figure 8. clock, serial-in, serial-out
stp04cm596 timing diagrams 13/24 figure 9. clock, serial-in, latch, enable, outputs figure 10. outputs
test circuit stp04cm596 14/24 7 test circuit figure 11. dc characteristic figure 12. ac characteristic
stp04cm596 typical characteristics 15/24 8 typical characteristics figure 13. output current-r ext resistor figure 14. output current vs. dropout voltage figure 15. output current vs ? i ol (%)
typical characteristics stp04cm596 16/24 figure 16. blue powerled typ. application circuit note: v l will be determined by the v f of the leds table 8. typ. output waveform with blue powerleds
stp04cm596 package mechanical data 17/24 9 package mechanical data in order to meet environmental requirements, st offers these devices in ecopack? packages. these packages have a lead-free second level interconnect . the category of second level interconnect is marked on the package and on the inner box label, in compliance with jedec standard jesd97. the maximum ratings related to soldering conditions are also marked on the inner box label. ecopack is an st trademark. ecopack specifications are available at: www.st.com
package mechanical data stp04cm596 18/24 figure 17. package dimensions table 9. dip-14 mechanical data dim. mm. inch min typ max min typ max a1 0.51 0.020 b 1.39 1.65 0.055 0.065 b 0.5 0.020 b1 0.25 0.010 d 20 0.787 e 8.5 0.335 e 2.54 0.100 e3 15.24 0.600 f 7.1 0.280 i 5.1 0.201 l 3.3 0.130 z 1.27 2.54 0.050 0.100
stp04cm596 package mechanical data 19/24 figure 18. package dimensions table 10. so-14 mechanical data dim. mm. inch min typ max min typ max a 1.75 0.068 a1 0.1 0.2 0.003 0.007 a2 1.65 0.064 b 0.35 0.46 0.013 0.018 b1 0.19 0.25 0.007 0.010 c 0.5 0.019 c1 45 (typ.) d 8.55 8.75 0.336 0.344 e 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 7.62 0.300 f 3.8 4.0 0.149 0.157 g 4.6 5.3 0.181 0.208 l 0.5 1.27 0.019 0.050 m 0.68 0.026 s 8 (max.)
package mechanical data stp04cm596 20/24 figure 19. package dimensions table 11. tssop16 (exposed pad) mechanical data dim. mm. inch min typ max min typ max a1 0.05 0.15 0.002 0.004 0.006 a2 0.8 1 1.05 0.031 0.039 0.041 b 0.19 0.30 0.007 0.012 c 0.09 0.20 0.004 0.0079 d 4.9 5 5.1 0.193 0.197 0.201 e 6.2 6.4 6.6 0.244 0.252 0.260 e1 4.3 4.4 4.48 0. 169 0.173 0.176 e 0.65 bsc 0.0256 bsc k 0 8 0 8 l 0.45 0.60 0.75 0.018 0.024 0.030
stp04cm596 package mechanical data 21/24 figure 20. tape and reel dimensions table 12. tape and reel so-14 dim. mm. inch min typ max min typ max a 330 12.992 c 12.8 13.2 0.504 0.519 d 20.2 0.795 n 60 2.362 t 22.4 0.882 ao 6.4 6.6 0.252 0.260 bo 9 9.2 0.354 0.362 ko 2.1 2.3 0.082 0.090 po 3.9 4.1 0.153 0.161 p 7.9 8.1 0.311 0.319
package mechanical data stp04cm596 22/24 figure 21. tape and reel dimensions table 13. tssop16 tape and reel dim. mm. inch min typ max min typ max a 330 12.992 c 12.8 13.2 0.504 0.519 d 20.2 0.795 n 60 2.362 t 22.4 0.882 ao 6.7 6.9 0.264 0.272 bo 5.3 5.5 0.209 0.217 ko 1.6 1.8 0.063 0.071 po 3.9 4.1 0.153 0.161 p 7.9 8.1 0.311 0.319
stp04cm596 revision history 23/24 10 revision history table 14. revision history date revision changes 26-oct-2006 1 initial release. 05-apr-2006 2 new template 23-may-2006 3 updated packaging information
stp04cm596 24/24 please read carefully: 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 he rein at any time, without notice. all st products are sold pursuant to st?s terms and conditions of sale. purchasers are solely responsible for the choice, selection and use of the st products and services described herein, and st as sumes no liability whatsoever relating to the choice, selection or use of the st products and services described herein. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. i f any part of this document refers to any third party products or services it shall not be deemed a license grant by st for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoev er of such third party products or services or any intellectual property contained therein. unless otherwise set forth in st?s terms and conditions of sale st disclaims any express or implied warranty with respect to the use and/or sale of st products including without limitation implied warranties of merchantability, fitness for a parti cular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. unless expressly approved in writing by an authorize representative of st, st products are not designed, authorized or warranted for use in military, air craft, space, life saving, or life sustaining applications, nor in products or systems, where failure or malfunction may result in personal injury, death, or severe property or environmental damage. resale of st products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by st for the st product or service described herein and shall not create or extend in any manner whatsoev er, any liability of st. st and the st logo are trademarks or registered trademarks of st in various countries. information in this document supersedes and replaces all information previously supplied. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners. ? 2006 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com

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