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this is information on a product in full production. september 2013 doc id 1766 rev 5 1/14 1 l9338 quad low side driver datasheet ? production data features wide input voltage range from -24 v up to +45 v wide operating supply voltage range from 4.5 v up to 32 v reverse biasing protected (v s = -24 v) very low standby quie scent current < 2 a programmable signal transfer polarity ttl and cmos compatible inputs defined output off state off for open inputs three open drain dmos outputs, with r dson =1.5 ? . at 25 c and v s > 6 v output current limitation controlled output slope for low emi over temperature shut-down integrated output clamping for fast inductive recirculation v fb > 45 v status monitoring for: ? over temperature ? disconnected ground or supply voltage esd: all pins are guar anteed till 2 kv human body mode description the l9338 is a monolithic integrated quad low side driver realized in advanced multipower-bcd technology. it is intended to drive lines, lamps or relays in automotive or industrial applications. '!0'03 so20 table 1. device summary order code package packing e-l9338md so20 tube e-l9338md/tr so20 tape and reel www.st.com
contents l9338 2/14 doc id 1766 rev 5 contents 1 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 pins description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.1 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.2 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.3 operating condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.4 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4 circuit description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 5 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 6 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
l9338 list of tables doc id 1766 rev 5 3/14 list of tables table 1. device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 table 2. pins function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 table 3. absolute maximum ratings (no damage or latch) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 table 4. thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 table 5. operating condition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 table 6. electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 table 7. diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 table 8. document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
list of figures l9338 4/14 doc id 1766 rev 5 list of figures figure 1. block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figure 2. pins connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 figure 3. timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 figure 4. application circuit for inverting transfer polarity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 figure 5. so20 mechanical data and package dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
l9338 block diagram doc id 1766 rev 5 5/14 1 block diagram figure 1. block diagram 4(%2-!, 3(54$/7. #(!..%, $)!'./34)# ,/')# 2%&%2%.#% 6int 6logic #(!..%, ). ). 02' %. 63 '.$ /54 /54 $)!' '!0'03
pins description l9338 6/14 doc id 1766 rev 5 2 pins description figure 2. pins connection diagram table 2. pins function pin # pin name function 1 in1 input 1 2 in2 input 2 3 diag diagnostic 4,5,6,7,14, 15,16,17 gnd ground 8 vs supply voltage 9 in3 input 3 10 in4 input 4 11 en enable 12 out 4 output 4 13 out 3 output 3 18 out 2 output 2 19 out 1 output 1 20 prg program '!0'03 ). ). $)!' '.$ '.$ '.$ '.$ 63 ). /54 /54 '.$ '.$ '.$ '.$ /54 /54 02' ). %.
l9338 electrical specifications doc id 1766 rev 5 7/14 3 electrical specifications 3.1 absolute maximum ratings 3.2 thermal data 3.3 operating condition the electrical characteristics are valid with in the below defined operating ranges, unless otherwise specified. the function will be guaranteed by design until t jmon switch-off-level. table 3. absolute maximum ratings (no damage or latch) symbol parameter value unit v s supply voltage -24 to 45 v pin voltages v in input, enable, program -24 to 45 v v out output -0.3 to 45 v v diag diagnostic output -0.3 to 45 v table 4. thermal data symbol parameter value unit r th (j-pins) thermal resistance junction-to-pin 14 (typ.) ? c/w t jmon temperature-monitoring switch-off-level switch-on-level 160 to 190 140 to 170 ? c ? c table 5. operating condition symbol parameter value unit v s supply voltage 4.5 to 32 v v in input pin voltage -24 to 45 v v en enable pin voltage -24 to 45 v v out , v d output pin voltage -0.3 to 45 v t j junction temperature -40 to 150 ? c
electrical specifications l9338 8/14 doc id 1766 rev 5 3.4 electrical characteristics table 6. electrical characteristics symbol parameter test condition min. typ. max. unit i q quiescent current -0.3v ? v en ? 0.5v; v s = 14v; t j = 85c - < 2 10 ? a en = high; v s ? 14v - 1.5 2 ma inputs in1 - in3, prg v inilow input voltage low - -24 - 2.0 v v inhigh input voltage high - 2.8 - 45 v i in input current -24 v ? v i ? 10 v -10 - 15 ? a enable input en v enlow input voltage low - -24 - 1 v v enhigh input voltage high - 3.2 - v s v r en input impedance -24v < v i < 2.5v 10 - - k ? i en input current 2.5v ? v i ? 25v - 20 50 ? a outputs out1-out3 r dson output on-resistor to ground v s ? 6 v, i o = 0.3 a t j = 25 c t j = 125 c -1.7 2.3 3.5 ? ? i oleak leakage current v o = v s = 14 v; t j = 85 c - ? 1 5 ? a v oclamp output voltage during clamping time < 200 ? s; 10 ma ? io ? 0.3 a 45 52 60 v i osc short-circuit current - 400 700 1200 ma c o internal output capacities v o ? 4.5v - - 100 pf diagnostic output diag v dlow output voltage low i dl ? 1 ma - 0.3 0.5 v i dmax max. output current internal current limitation 1 5 15 ma i dleak leakage current v s = 14 v; t j = 85 c - ? 0.1 1 ? a timing (see figure 3 ) t d,on on delay time v s = 14 v, c ext = 0 pf 10 ma ? i o ? 200m a - 2.5 3.5 ? s t d,off off delay time - 3 4.5 ? s t set enable settling time - - 10 ? s t d,diag on or off diagnostic delay time - - 10 ? s s out output slopes 2.5 9 16 v/ ? s
l9338 electrical specifications doc id 1766 rev 5 9/14 figure 3. timing diagram '!0'03 6 %. 6 ).high 6 ).low active t 6 02' 6 ).high 6 ).low )nverting-ode t .on )nverting-ode 6 ). 6 ).high 6 ).low t 6 /54 6 3 t 6 3 t set t doff t don t doff t don t doff t don t set .ocontrolledoutputslopeforenablelow
circuit description l9338 10/14 doc id 1766 rev 5 4 circuit description the l9338 is a quad low side driver for lines, lamps or inductive loads in automotive and industrial applications. all inputs are ttl or cmos comp atible. this allows the device to be driven directly by a microcontroller. for the noise immunity, all inputs have a schmitt-trigger with a hysteresis of typ. 100 mv. each input stage has an input voltage protection from -24 v to 45 v. the device can be activated with a ?high? signal on enable (en) in put. enable ?low? switches the device into the sleep mode. in this mode the quiescent current is less than 10 ma. a high signal on programming (prg) input changes the signal transfer polarity from non inverting into the inverting mode. normally this pin is connected to v s or gnd. these pins (prg and en) are internally fixed at low stat us by open input condition. independent of the programming input, the output (out) switches off, if the signal input (in) pin is not connected. each output driver has a current limitation of min. 0.4 a and a separate thermal shut-down. the thermal shut-down deactivates that output which exceeds temperature switch off level. about 20k below this te mperature threshold the output will be activated again. this means, that each output is able to sink continuously 285 ma without activating thermal shut-down at 85 c ambient temperature. the slew rate of the output is limited to max. 14 v/ms to reduce the electromagnetic interference, but not for the enable transfer characteristic (see figure 3 ). an integrated active flyback voltage limitation clamps the output voltage during the flyback phase of inductive loads to typ. 50 v. the power dmos switches on, if the device is enabled and the output swings below ground. this protection avoids the activation of parasitic inside the power dmos. the diagnostic (diag) is an open drain ou tput. the logic status depends on the programming pin. if the prg pin is ?low? the diag output becomes low, if the device works correctly. at thermal shut-down of one channel, disconnec ted ground or supply voltage the diagnostic output becomes high. if the prg pin is ?high? this output is switched off at normal function and switched on at over temperature. table 7. diagnostic pins en prg in out diag normal function h l l l (on) l (on) h l h h (off) l (on) h h l h (off) h(off) h h h l (on) h(off) l x x h (off) h(off) over temperature, disconnected ground or supply voltage h l x h (off) (1) 1. selective for each channel at over temperature. x = not relevant. h (off) over temperature h h x h (off) (1) l (on)
l9338 circuit description doc id 1766 rev 5 11/14 figure 4. application circuit for inverting transfer polarity '!0'03 - ). /54 /54 /54 /54 ). ). ). ). '.$ 63 02' %. $)!' !dressdecoder ! $ $ $ $ 6##6 6## '.$ -)#2/#/.42/,,%2 ).4 "/!2$6/,4!'%6 7 m( m! k(z 6## '.$ 6##6 p & : p& p (
package information l9338 12/14 doc id 1766 rev 5 5 package information 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 ? is an st trademark. figure 5. so20 mechanical data and package dimensions '!0'03 /54,).%!.$ -%#(!.)#!,$!4! $)- mm inch -). 490 -!8 -). 490 -!8 ! ! " # $ % e ( h , k ?plq?pd[ ddd h$vdimensiondoesnotincludemoldflashprotusionsorga te burrs-oldflashprotusionsorgateburrsshallnotexceed mmperside 3/ $
l9338 revision history doc id 1766 rev 5 13/14 6 revision history table 8. document revision history date revision changes march 2000 3 10-apr-2012 4 document reformatted. updated ordering numbers, see table 1: device summary on page 1 . 16-sept-2013 5 updated disclaimer
l9338 14/14 doc id 1766 rev 5 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 particul ar purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. st products are not designed or authorized for use in: (a) safety critical applications such as life supporting, active implanted devices or systems with product functional safety requirements; (b) aeronautic applications; (c) automotive applications or environments, and/or (d) aerospace applications or environments. where st products are not designed for such use, the purchaser shall use products at purchaser?s sole risk, even if st has been informed in writing of such usage, unless a product is expressly designated by st as being intended for ? automotive, automotive safe ty or medical? industry domains according to st product design specifications. products formally escc, qml or jan qualified are deemed suitable for use in aerospace by the corresponding governmental agency. 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. ? 2013 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 - philippines - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com

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