PDRV8436PWPR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments PDRV8436PWPR is a 48V, 1.5A bipolar stepper motor driver with integrated current sensing and 1/256 microstepping in a 24-pin HTSSOP package with exposed thermal slug. It delivers smooth, low-noise motor control for precision motion applications in industrial and robotics systems available with worldwide distribution.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 29
- Lifecycle
- OBSOLETE
- Datasheet
- PDRV8436PWPR Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 48V supply voltage and 1.5A full-scale current rating support a wide range of bipolar stepper motors in industrial designs
- 1/256 microstepping resolution minimizes torque ripple and audible noise in precision positioning applications
- Integrated current sensing eliminates external sense resistors, reducing PCB component count and BOM cost
Applications
The PDRV8436PWPR drives bipolar stepper motors in precision motion applications such as 3D printer axes, CNC machine tool feed drives, and laboratory automation stages where smooth 1/256 microstepping reduces vibration and audible noise. Its 48V supply capability and integrated current sensing simplify design for industrial robotic arm joints and optical lens positioning systems. The 24-pin HTSSOP with exposed heat slug enables effective thermal management in compact motor driver PCB designs.
Specifications
| Date Of Intro | 2019-07-02 |
| YTEOL | 0 |
| Analog IC - Other Type | STEPPER MOTOR CONTROLLER |
| JESD-30 Code | R-PDSO-G24 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Supply Voltage-Max (Vsup) | 48V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 24V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | AUTOMOTIVE |
| Terminal Form | GULL WING |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What supply voltage and current drive capability does the PDRV8436PWPR provide for industrial stepper motor applications?
The PDRV8436PWPR supports a supply voltage up to 48V with a 1.5A full-scale winding current per phase, making it suitable for NEMA 17 and NEMA 23 bipolar stepper motors commonly used in industrial automation. The 48V headroom allows driving higher-inductance motors at faster step rates without significant current decay between steps.
How does the 1/256 microstepping of the PDRV8436PWPR reduce vibration in precision CNC or 3D printing applications?
At 1/256 microstepping, each full step of 1.8° is divided into 256 sub-steps of approximately 0.007° each, dramatically smoothing the sinusoidal current waveform through the motor windings. This reduces torque ripple to well under 1% of peak torque and lowers audible noise below 30 dB in typical 3D printer and CNC router designs compared to full-step operation.
Does the PDRV8436PWPR eliminate the need for external current-sense resistors, and how does this affect PCB layout?
Yes, the PDRV8436PWPR integrates current sensing internally, removing the need for external 0.1Ω to 0.5Ω sense resistors that would otherwise occupy PCB space and dissipate heat. This simplifies the PCB layout, reduces BOM by 2 to 4 components, and eliminates the voltage drop and power loss of approximately 0.15W to 1.1W associated with discrete sense resistors at 1.5A drive current.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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