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L293DN

Public Made by Adom

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HGSEMI Stepper Motor Driver, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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L293DN

HGSEMI · Stepper Motor Driver · DIP-16

L293DN from HGSEMI, in a DIP-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 ENABLE 1 input Enable input for channels 1 and 2 (low ≤1.5 V disables outputs to high impedance, high 2.3 V to VSS enables; max 7 V).
2 INPUT 1 input Logic input for channel 1 (VIL max 1.5 V, VIH min 2.3 V, max 7 V).
3 OUTPUT 1 output Channel 1 driver output with internal clamp diodes, rated 600 mA per channel (1.0 A peak non-repetitive).
4 GND power_in Ground, one of 4 center pins connected together and used for heatsinking.
5 GND power_in Ground, one of 4 center pins connected together and used for heatsinking.
6 OUTPUT 2 output Channel 2 driver output with internal clamp diodes, rated 600 mA per channel (1.0 A peak non-repetitive).
7 INPUT 2 input Logic input for channel 2 (VIL max 1.5 V, VIH min 2.3 V, max 7 V).
8 VS power_in Output stage supply voltage for the load drivers, maximum 36 V.
9 ENABLE 2 input Enable input for channels 3 and 4 (low ≤1.5 V disables outputs to high impedance, high 2.3 V to VSS enables; max 7 V).
10 INPUT 3 input Logic input for channel 3 (VIL max 1.5 V, VIH min 2.3 V, max 7 V).
11 OUTPUT 3 output Channel 3 driver output with internal clamp diodes, rated 600 mA per channel (1.0 A peak non-repetitive).
12 GND power_in Ground, one of 4 center pins connected together and used for heatsinking.
13 GND power_in Ground, one of 4 center pins connected together and used for heatsinking.
14 OUTPUT 4 output Channel 4 driver output with internal clamp diodes, rated 600 mA per channel (1.0 A peak non-repetitive).
15 INPUT 4 input Logic input for channel 4 (VIL max 1.5 V, VIH min 2.3 V, max 7 V).
16 VSS power_in Logic supply voltage, 4.5 V to 36 V.

Key specifications

Parameter Value
Manufacturer HGSEMI
Package DIP-16
Category Motor Driver ICs
Pins 16

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
VS Supply Voltage (pin 10) VS 36 V 3
VSS Logic Supply Voltage VSS 36 V 3
Input Voltage Vi 7 V 3
Enable Voltage Ven 7 V 3
Peak Output Current Io 1 A 100μs non repetitive 3
Total Power Dissipation Ptot 4 W Tpins = 90℃ 3
Lead Temperature (Soldering) TL 260 ℃ Soldering, 10 seconds 3
Storage and Junction Temperature Tstg, Tj -40 150 ℃ 3
Operating Temperature Range TA -20 85 ℃ 3
Thermal Resistance Junction-ambient Rth j-amb 80 ℃/W DIP package 3
Thermal Resistance Junction-case Rth j-case 14 ℃/W 3
Supply Voltage (pin 10) VS 36 V 4
Logic Supply Voltage (pin 20) VSS 4.5 36 V 4
Total Quiescent Supply Current (pin 10) IS 2 6 mA Vi = L ; IO = 0 ; Ven = H 4
Total Quiescent Supply Current (pin 10) IS 16 24 mA Vi = H ; IO = 0 ; Ven = H 4
Total Quiescent Logic Supply Current (pin 20) ISS 44 60 mA Vi = L ; IO =0 ; Ven = H 4
Total Quiescent Logic Supply Current (pin 20) ISS 16 22 mA Vi = H ; IO = 0 ; Ven = H 4
Total Quiescent Logic Supply Current (pin 20) ISS 16 24 mA Ven = L 4
Input Low Voltage (pin 2, 9, 12, 19) VIL -0.3 1.5 V 4
Input High Voltage (pin 2, 9, 12, 19) VIH 2.3 V VSS ≤ 7 V 4
Input High Voltage (pin 2, 9, 12, 19) VIH 2.3 7 V VSS > 7 V 4
High Voltage Input Current (pin 2, 9, 12, 19) IIH 30 100 μA 2.3 V ≤ VIH ≤ VSS, 0.6 V 4
Enable Low Voltage (pin 1, 11) Ven L -0.3 1.5 V 4
Enable High Voltage (pin 1, 11) Ven H 2.3 V VSS ≤ 7 V 4
Enable High Voltage (pin 1, 11) Ven H 2.3 7 V VSS > 7 V 4
Low Voltage Enable Current (pin 1, 11) Ien L -30 -100 μA Ven L = 1.5 V 4
High Voltage Enable Current (pin 1, 11) Ien H -10 10 μA 2.3 V ≤ Ven H ≤ VSS, 0.6 V 4
Source Output Saturation Voltage (pins 3, 8, 13, 18) VCE(sat)H 1.4 1.8 V IO =, 0.6A 4
Sink Output Saturation Voltage (pins 3, 8, 13, 18) VCE(sat)L 1.2 1.8 V IO = + 0.6 A 4
Total Quiescent Supply Current (pin 10) IS 4 mA Ven = L 4
Low Voltage Input Current (pin 2, 9, 12, 19) IIL -10 μA VIL = 1.5 V 4
Clamp Diode Forward Voltage VF 1.3 V IO = 600nA 4
Rise Time tr 250 ns 0.1 to 0.9 VO 4
Fall Time tf 250 ns 0.9 to 0.1 VO 4
Turn-on Delay ton 750 ns 0.5 Vi to 0.5 VO 4
Turn-off Delay toff 200 ns 0.5 Vi to 0.5 VO 4

CAD (KiCad official)

  • Symbol: L293DN
  • Footprint: Package_DIP:DIP-16_W7.62mm
  • 3D model: DIP-16 (KiCad packages3D, STEP)
  • 3D model files: l293dn-etched.step / l293dn-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); l293dn.step / l293dn.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: HGSEMI datasheet (8 pp, sha256 8734b54abdac9c39, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF