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august 2009 doc id 14899 rev 3 1/13 13 l2293q push-pull four channel driver with diodes features 600 ma output curren t capability per channel 1.2 a peak output current (non repetitive) per channel enable facility overtemperature protection logical ?0? input voltage up to 1.5 v (high noise immunity) internal clamp diodes description the device is a monolithic integrated high voltage, high current four channel driver designed to accept standard dtl or ttl logic levels and drive inductive loads (such as relays solenoides, dc and stepping motors) and switching power transistors. to simplify use as two bridges each pair of channels is equipped with an enable input. a separate supply input is provided for the logic, allowing operation at a lower voltage and internal clamp diodes are included. this device is suitable for use in switching applications at frequencies up to 50 khz. the l2293q is assembled in a vfqfpn-32l 5x5 package which has exposed pad available for heatsinking. vfqfpn 5 mm x 5 mm 32l figure 1. block diagram www.st.com
contents l2293q 2/13 doc id 14899 rev 3 contents 1 electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 recommended conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.3 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5 order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 6 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
l2293q electrical data doc id 14899 rev 3 3/13 1 electrical data 1.1 absolute maximum ratings 1.2 recommended conditions table 1. absolute maximum ratings symbol parameter value unit v s supply voltage 36 v v ss logic supply voltage 36 v v i input voltage 7 v v en enable voltage 7 v i o peak output current (100 s non repetitive) 1.2 a p tot total power dissipation at t pins = 90 c 4 w t j junction temperature 150 c t stg storage temperature ? 40 to 150 c table 2. recommended conditions symbol parameter value unit min typ max v s supply voltage v ss 36 v v ss logic supply voltage 2.8 (1) 1. see figure 2 36 v t j junction temperature -20 (1) 125 c
electrical data l2293q 4/13 doc id 14899 rev 3 1.3 thermal data figure 2. typical minimum logic supply voltage vs junction temperature table 3. thermal data symbol parameter value unit r th(ja) thermal resistance j unction-ambient max. (1) 1. mounted on a double-layer fr4 pcb with a dissipating copper surface of 0.5 cm 2 on the top side plus 6 cm 2 ground layer connected through 18 via holes (9 below the ic). 42 c/w t j [c] v ss_min [v] 0 -10 -20 2.7 2.8
l2293q pin connection doc id 14899 rev 3 5/13 2 pin connection figure 2. pin connection (top view) note: nc (1) these nc pins are connected to the exposed pad. the exposed pad must be connected to gnd pins. nc (2) these nc pins can be connected to gnd pins and exposed pad. figure 3. recommended pcb layout for r th(ja) optimization bottom layer b o t t o m l a y e r (connected to gnd) ( c o n n e c t e d t o g n d ) gnd pins via holes top layer t o p l a y e r (connected to gnd) ( c o n n e c t e d t o g n d ) l2293q l 2 2 9 3 q
pin connection l2293q 6/13 doc id 14899 rev 3 table 4. pin description pin n name type function 1, 18, 19, 20, 21, 22, 23 nc not connected 2, 3, 4, 5, 6, 7, nc pins connected to the exposed pad 8, 9, 17, 24, 28, 32 gnd ground 10 output2 o output 2 11 input2 i input 2 12, 13 v s supply voltage for the power output stages. a non-inductive 100 nf capacitor must be con nected between these pins and ground. 14 enable2 i enable 2 input, the low state disables the output 3 and output 4. 15 input3 i input 3 16 output3 o output 3 25 output4 o output 4 26 input4 i input 4 27 v ss supply voltage for the logic blocks. a 100 nf capacitor must be connected between this pin and ground. 29 enable1 i enable 1 input, the low state disables the output 1 and output 2. 30 input1 i input 1 31 output1 o output 1
l2293q electrical characteristics doc id 14899 rev 3 7/13 3 electrical characteristics for each channel, v s = 24 v, v ss = 5 v, t a = 25 c, unless otherwise specified. table 5. electrical characteristics symbol pin parameter test condition min typ max unit i s 12,13 total quiescent supply current v i = l; i o = 0; v en = h 2 6 ma v i = h; i o = 0; v en = h 16 24 ma v en = l 4 ma i ss 27 total quiescent logic supply current v i = l; i o = 0; v en = h 44 60 ma v i = h; i o = 0; v en = h 16 22 ma v en = l 16 24 ma v il 11, 15, 26, 30 input low voltage ? 0.3 1.5 v v ih 11, 15, 26, 30 input high voltage v ss 7 v 2.3 v ss v v ss > 7 v 2.3 7 v i il 11, 15, 26, 30 low voltage input current v il = 1.5 v ? 10 a i ih 11, 15, 26, 30 high voltage input current 2.3 v v ih v ss ? 0.6 v 30 100 a v en l 14, 29 enable low voltage ? 0.3 1.5 v v en h 14, 29 enable high voltage v ss 7 v 2.3 v ss v v ss > 7 v 2.3 7 v i en l 14, 29 low voltage enable current v en l = 1.5 v ? 30 ? 100 a i en h 14, 29 high voltage enable current 2.3 v v en h v ss ? 0.6 v 10 a v ce(sat)h 10, 16, 25, 31 source output saturation voltage i o = ? 0.6 a 1.4 1.8 v v ce(sat)l 10, 16, 25, 31 sink output saturation voltage i o = + 0.6 a 1.2 1.8 v v f clamp diode forward voltage i o = 600 na 1.3 v
electrical characteristics l2293q 8/13 doc id 14899 rev 3 v s = 24 v, v ss = 5 v, t a = 25 c, unless otherwise specified. figure 4. switching times table 6. ac operation symbol parameter test condition min typ max unit t r rise time (1) 1. see figure 4 0.1 to 0.9 v o 250 ns t f fall time (1) 0.9 to 0.1 v o 250 ns t on turn-on delay (1) 0.5 v i to 0.5 v o 750 ns t off turn-off delay (1) 0.5 v i to 0.5 v o 200 ns table 7. truth table (one channel) input enable (1) 1. relative to the considered channel output hh h lh l hlz (2) 2. z = high output impedance llz (2)
l2293q package mechanical data doc id 14899 rev 3 9/13 4 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 is an st trademark. note: 1 vfqfpn stands for thermally enhanced very thin profile fine pitch quad flat package no lead. very thin profile: 0.80 < a 1.00 mm. 2 details of terminal 1 are optional but must be located on the top surface of the package by using either a mold or marked features. table 8. vfqfpn 5x5x1.0 32l pitch 0.50 dim. databook (mm) min typ max a 0.80 0.85 0.95 b 0.18 0.25 0.30 b1 0.165 0.175 0.185 d 4.85 5.00 5.15 d2 3.00 3.10 3.20 d3 1.10 1.20 1.30 e 4.85 5.00 5.15 e2 4.20 4.30 4.40 e3 0.60 0.70 0.80 e0.50 l 0.30 0.40 0.50 ddd 0.08
package mechanical data l2293q 10/13 doc id 14899 rev 3 figure 5. package dimensions
l2293q order codes doc id 14899 rev 3 11/13 5 order codes table 9. order code order code package packaging l2293q vfqfpn 5x5x1.0 32l tube
revision history l2293q 12/13 doc id 14899 rev 3 6 revision history table 10. document revision history date revision changes 10-jul-2008 1 first release 26-feb-2009 2 updated table 3 on page 4 12-aug-2009 3 updated description in coverpage
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