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DRV8436RGER

Public Made by Adom

by adom

Texas Instruments Stepper Motor Driver, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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docs drv8436rger: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
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drv8436rger-etched.fit.json drv8436rger: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
drv8436rger-etched.glb drv8436rger: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
drv8436rger-etched.step drv8436rger: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
drv8436rger.glb Publish 0.1.0 · Ray 4d ago
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DRV8436RGER

Texas Instruments · Stepper Motor Driver · VQFN-24-EP(4x4)

DRV8436RGER from Texas Instruments, in a VQFN-24-EP(4x4). 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 VM power_in Motor driver power supply voltage input from 4.5V to 48V range.
2 PGND power_in Power ground internally connected with internal short to pin 7, connect to system ground.
3 AOUT1 output Motor winding A phase output connected to stepper motor coil for phase drive.
4 AOUT2 output Motor winding A phase output connected to stepper motor coil for phase drive.
5 BOUT2 output Motor winding B phase output connected to stepper motor coil for phase drive.
6 BOUT1 output Motor winding B phase output connected to stepper motor coil for phase drive.
7 PGND power_in Power ground internally connected with internal short to pin 2, connect to system ground.
8 VM power_in Motor driver power supply voltage input from 4.5V to 48V range.
9 GND power_in Device ground reference connected to system ground.
10 DVDD power_out Internal regulated 5V output with maximum 2mA load capability, bypass with 0.47µF to 1µF capacitor to GND.
11 nFAULT output Open-drain fault indicator output pulled low on fault detection, requires external pull-up resistor.
12 VREF power_in Current reference input from 0.05V to 3.3V maximum for setting full-scale motor current.
13 M0 input Microstepping resolution mode configuration input with internal pull-down resistor to GND.
14 TOFF input Four-level PWM off-time selector input for decay mode timing (7µs, 16µs, 24µs, or 32µs options).
15 DECAY1 input Decay mode configuration input with internal pull-down resistor.
16 DECAY0 input Decay mode configuration input with internal pull-down resistor.
17 M1 input Four-level microstepping resolution mode configuration input with internal pull-down resistor.
18 STEP input Step command input triggered by rising edge to advance stepper with internal pull-down resistor.
19 DIR input Direction control input setting motor step direction with internal pull-down resistor.
20 ENABLE input Output driver enable input with internal pull-up to DVDD, controls output disable and OCP response type.
21 nSLEEP input Sleep mode control input with logic high enabling device and logic low entering low-power shutdown mode.
22 CPL passive Charge pump negative switch node, connect 0.022µF X7R capacitor between CPL and CPH.
23 CPH passive Charge pump switching node rated for VM voltage, connect 0.022µF X7R capacitor between CPH and CPL.
24 VCP power_out Charge pump output at nominal VM + 5V for high-side gate drive, connect 0.22µF 16V capacitor to VM.
25 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-24-EP(4x4)
Category Motor Driver ICs
Pins 25

CAD (KiCad official)

  • Symbol: DRV8436RGER
  • Footprint: Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm
  • 3D model: VQFN-24-EP(4x4) (KiCad packages3D, STEP)
  • 3D model files: drv8436rger-etched.step / drv8436rger-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); drv8436rger.step / drv8436rger.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (52 pp, sha256 8c817610402342b6, 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, primary claude-haiku-4-5-20251001 (text), consensus claude-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).

Datasheet PDF