component
DRV8424PPWPR
Public Made by Adomby adom
Texas Instruments Stepper Motor Driver, HTSSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownDRV8424PPWPR
Texas Instruments · Stepper Motor Driver · HTSSOP-28
DRV8424PPWPR from Texas Instruments, in a HTSSOP-28. 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 | VCP | power_out | Charge pump output regulated to VM+5V, requires 0.22μF X7R bypass capacitor to VM. |
| 2 | VM | power_in | Motor power supply rail 4.5V to 33V, bypass with dual 0.01μF ceramic capacitors and bulk capacitor. |
| 3 | PGND | power_in | Power ground rail, connect to system ground. |
| 4 | AOUT1 | output | Bridge A motor output, full-scale current 2.5A (DRV8424) or 2A (DRV8425). |
| 5 | AOUT1 | output | Bridge A motor output, full-scale current 2.5A (DRV8424) or 2A (DRV8425). |
| 6 | AOUT2 | output | Bridge A motor output, full-scale current 2.5A (DRV8424) or 2A (DRV8425). |
| 7 | AOUT2 | output | Bridge A motor output, full-scale current 2.5A (DRV8424) or 2A (DRV8425). |
| 8 | BOUT2 | output | Bridge B motor output, full-scale current 2.5A (DRV8424) or 2A (DRV8425). |
| 9 | BOUT2 | output | Bridge B motor output, full-scale current 2.5A (DRV8424) or 2A (DRV8425). |
| 10 | BOUT1 | output | Bridge B motor output, full-scale current 2.5A (DRV8424) or 2A (DRV8425). |
| 11 | BOUT1 | output | Bridge B motor output, full-scale current 2.5A (DRV8424) or 2A (DRV8425). |
| 12 | PGND | power_in | Power ground rail, connect to system ground. |
| 13 | VM | power_in | Motor power supply rail 4.5V to 33V, bypass with dual 0.01μF ceramic capacitors and bulk capacitor. |
| 14 | GND | power_in | Logic device ground reference, connect to system ground. |
| 15 | DVDD | power_in | Internal logic supply 5V nominal, bypass with 0.47μF to 1μF X7R capacitor rated 6.3V or 10V. |
| 16 | nFAULT | tri_state | Fault indicator open-drain output, driven low in fault condition, requires external pull-up resistor. |
| 17 | VREFB | input | Reference voltage input for bridge B, 0.05V to 2.64V sets full-scale current via IREG=VREF/1.32. |
| 18 | VREFA | input | Reference voltage input for bridge A, 0.05V to 3.3V sets full-scale current via IREG=VREF/1.32. |
| 19 | TOFF | input | PWM chopping off-time control four-level input, selectable as 7μs, 16μs, 24μs, or 32μs. |
| 20 | BDECAY | input | Bridge B decay mode configuration four-level input, selects smart-tune dynamic, fast, hybrid, or smart-tune ripple control. |
| 21 | ADECAY | input | Bridge A decay mode configuration four-level input, selects smart-tune dynamic, fast, hybrid, or smart-tune ripple control. |
| 22 | BIN2 | input | Bridge B PWM input, logic high/low controls H-bridge state, internal pull-down to GND. |
| 23 | BIN1 | input | Bridge B PWM input, logic high/low controls H-bridge state, internal pull-down to GND. |
| 24 | AIN2 | input | Bridge B PWM input per datasheet, logic high/low controls H-bridge state, internal pull-down to GND. |
| 25 | AIN1 | input | Bridge A PWM input, logic high/low controls H-bridge state, internal pull-down to GND. |
| 26 | nSLEEP | input | Sleep mode control, high enables active mode, low enters sleep mode ~2μA quiescent, internal pull-down, low pulse clears fault. |
| 27 | CPL | passive | Charge pump capacitor node, connect 0.022μF X7R ceramic capacitor between CPL and CPH rated for VM. |
| 28 | CPH | passive | Charge pump capacitor node, connect 0.022μF X7R ceramic capacitor between CPL and CPH rated for VM. |
| 29 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | HTSSOP-28 |
| Category | Motor Driver ICs |
| Pins | 29 |
CAD (KiCad official)
- Symbol:
DRV8424PPWPR - Footprint:
Package_SO:TSSOP-28-1EP_4.4x9.7mm_P0.65mm_EP2.85x6.7mm - 3D model: HTSSOP-28 (KiCad packages3D, STEP)
- 3D model files:
drv8424ppwpr-etched.step/drv8424ppwpr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);drv8424ppwpr.step/drv8424ppwpr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (53 pp, sha256
61208cc09b733204, retrieved 2026-10-01, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-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).