
Ultra DB X51 v1
ExploreEmbedded/8051_DevelopmentBoard
Design files and sample code for 8051 development Ultra Boards

The L293D is a stepper Motor Driver made by STMicroelectronics in a DIP-16 package with 16 pins. -40℃~+150℃ 1.2A 2 4.5V~36V 4mA 600mA DIP-16 Brushed DC Motor Drivers ROHS.
PCBKit's library has its KiCad symbol (Driver_Motor:L293D, from KiCad's library) and its footprint (Package_DIP:DIP-16_W7.62mm, from KiCad's library), ready for a KiCad board. 665 are in stock at JLCPCB (part C12340). 280 open-source boards in 227 repositories on GitHub use it.
| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Supply Voltage VS | max 36 V | 2 | |
| Logic Supply Voltage VSS | max 36 V | 2 | |
| Input Voltage Vi | max 7 V | 2 | |
| Enable Voltage Ven | max 7 V | 2 | |
| Peak Output Current Io | 100 us non repetitive | max 1.2 A | 2 |
| Total Power Dissipation Ptot | Tpins = 90 °C | max 4 W | 2 |
| Storage and Junction Temperature Tstg, Tj | min -40 · max 150 °C | 2 | |
| Thermal Resistance junction-ambient Rth j-amb | DIP | max 80 °C/W | 2 |
| Thermal Resistance Junction-case Rth j-case | DIP | max 14 °C/W | 2 |
| Supply Voltage (pin 10) VS | Minimum is VSS; for each channel, VSS = 5 V, Tamb = 25 °C | max 36 V | 3 |
| Logic Supply Voltage (pin 20) VSS | For each channel, VS = 24 V, Tamb = 25 °C | min 4.5 · max 36 V | 3 |
| Total Quiescent Supply Current (pin 10) IS | Vi = L ; IO = 0 ; Ven = H; VS = 24 V, VSS = 5 V, Tamb = 25 °C | typ 2 · max 6 mA | 3 |
| Total Quiescent Supply Current (pin 10) IS | Vi = H ; IO = 0 ; Ven = H; VS = 24 V, VSS = 5 V, Tamb = 25 °C | typ 16 · max 24 mA | 3 |
| Total Quiescent Supply Current (pin 10) IS | Ven = L; VS = 24 V, VSS = 5 V, Tamb = 25 °C | max 4 mA | 3 |
| Total Quiescent Logic Supply Current (pin 20) ISS | Vi = L ; IO = 0 ; Ven = H; VS = 24 V, VSS = 5 V, Tamb = 25 °C | typ 44 · max 60 mA | 3 |
| Total Quiescent Logic Supply Current (pin 20) ISS | Vi = H ; IO = 0 ; Ven = H; VS = 24 V, VSS = 5 V, Tamb = 25 °C | typ 16 · max 22 mA | 3 |
| Total Quiescent Logic Supply Current (pin 20) ISS | Ven = L; VS = 24 V, VSS = 5 V, Tamb = 25 °C | typ 16 · max 24 mA | 3 |
| Input Low Voltage (pin 2, 9, 12, 19) VIL | VS = 24 V, VSS = 5 V, Tamb = 25 °C | min -0.3 · max 1.5 V | 3 |
| Input High Voltage (pin 2, 9, 12, 19) VIH | VSS ≤ 7 V; maximum is VSS; VS = 24 V, Tamb = 25 °C | min 2.3 V | 3 |
| Input High Voltage (pin 2, 9, 12, 19) VIH | VSS > 7 V; VS = 24 V, Tamb = 25 °C | min 2.3 · max 7 V | 3 |
| Low Voltage Input Current (pin 2, 9, 12, 19) IIL | VIL = 1.5 V; VS = 24 V, VSS = 5 V, Tamb = 25 °C | max -10 uA | 3 |
| High Voltage Input Current (pin 2, 9, 12, 19) IIH | 2.3 V ≤ VIH ≤ VSS – 0.6 V; VS = 24 V, VSS = 5 V, Tamb = 25 °C | typ 30 · max 100 uA | 3 |
| Enable Low Voltage (pin 1, 11) Ven L | VS = 24 V, VSS = 5 V, Tamb = 25 °C | min -0.3 · max 1.5 V | 3 |
| Enable High Voltage (pin 1, 11) Ven H | VSS ≤ 7 V; maximum is VSS; VS = 24 V, Tamb = 25 °C | min 2.3 V | 3 |
| Enable High Voltage (pin 1, 11) Ven H | VSS > 7 V; VS = 24 V, Tamb = 25 °C | min 2.3 · max 7 V | 3 |
| Low Voltage Enable Current (pin 1, 11) Ien L | Ven L = 1.5 V; VS = 24 V, VSS = 5 V, Tamb = 25 °C | typ -30 · max -100 uA | 3 |
| High Voltage Enable Current (pin 1, 11) Ien H | 2.3 V ≤ Ven H ≤ VSS – 0.6 V; maximum magnitude ±10 uA; VS = 24 V, VSS = 5 V, Tamb = 25 °C | max 10 uA | 3 |
| Source Output Saturation Voltage (pins 3, 8, 13, 18) VCE(sat)H | IO = – 0.6 A; VS = 24 V, VSS = 5 V, Tamb = 25 °C | typ 1.4 · max 1.8 V | 3 |
| Sink Output Saturation Voltage (pins 3, 8, 13, 18) VCE(sat)L | IO = + 0.6 A; VS = 24 V, VSS = 5 V, Tamb = 25 °C | typ 1.2 · max 1.8 V | 3 |
| Clamp Diode Forward Voltage VF | IO = 600nA; VS = 24 V, VSS = 5 V, Tamb = 25 °C | typ 1.3 V | 3 |
| Rise Time (*) tr | 0.1 to 0.9 VO; see fig. 1; VS = 24 V, VSS = 5 V, Tamb = 25 °C | typ 250 ns | 3 |
| Fall Time (*) tf | 0.9 to 0.1 VO; see fig. 1; VS = 24 V, VSS = 5 V, Tamb = 25 °C | typ 250 ns | 3 |
| Turn-on Delay (*) ton | 0.5 Vi to 0.5 VO; see fig. 1; VS = 24 V, VSS = 5 V, Tamb = 25 °C | typ 750 ns | 3 |
| Turn-off Delay (*) toff | 0.5 Vi to 0.5 VO; see fig. 1; VS = 24 V, VSS = 5 V, Tamb = 25 °C | typ 200 ns | 3 |
| Pin | Name | Type |
|---|---|---|
| 1 | EN1,2 | Input |
| 2 | 1A | Input |
| 3 | 1Y | Output |
| 4 | GND | Power in |
| 5 | GND | Power in |
| 6 | 2Y | Output |
| 7 | 2A | Input |
| 8 | VCC2 | Power in |
| 9 | EN3,4 | Input |
| 10 | 3A | Input |
| 11 | 3Y | Output |
| 12 | GND | Power in |
| 13 | GND | Power in |
| 14 | 4Y | Output |
| 15 | 4A | Input |
| 16 | VCC1 | Power in |

ExploreEmbedded/8051_DevelopmentBoard
Design files and sample code for 8051 development Ultra Boards

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<iframe src="https://pcbkit.io/embed/parts/st/L293D" title="L293D in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/st/L293D.jpg" alt="L293D" width="1200" height="900">[](https://pcbkit.io/parts/st/L293D)Yes. The symbol is Driver_Motor:L293D and the footprint Package_DIP:DIP-16_W7.62mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
DIP-16, with 16 pins. Its footprint is drawn on this page.
STMicroelectronics publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C12340, with 665 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the L293DN by HGSEMI, the L293DN(MS) by MSKSEMI, the L293DNE(MS) by MSKSEMI and the SN754410NE by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
280 boards in 227 repositories on GitHub; the most starred are listed on this page, with their KiCad files.