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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Motor Drivers, Controllers

Infineon Technologies TCA3727GXUMA1

Name: TCA3727GXUMA1
Brand: Infineon Technologies
SKU: TCA3727GXUMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TCA3727GXUMA1

Manufacturer:: Infineon Technologies

Category:: Motor Drivers, Controllers

Package:: 24-SOIC (0.295", 7.50mm Width)

Datasheet:: TCA3727GXUMA1.pdf

Description:: IC MTR DRV BIPOLR 4.5-6.5V 24DSO

Quantity:: RFQ Add To RFQ list

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Inventory:4,039

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Product details

Overview

TCA3727GXUMA1 from Infineon Technologies is a bipolar stepper motor driver IC with integrated power stage, rated for 4.5–6.5 V supply, 2.5 A peak output current per phase, and 24-pin DSO package. It implements full/half-step excitation control and supports external clock or step/direction interface for precise motion sequencing in compact industrial actuators.

For engineers reviewing the TCA3727GXUMA1 datasheet, TCA3727GXUMA1 pinout, TCA3727GXUMA1 application, or TCA3727GXUMA1 equivalent, key selection criteria include its bipolar H-bridge architecture, thermal shutdown threshold (150 °C), integrated current sensing, and compatibility with 3.3 V/5 V logic interfaces in closed-loop positioning systems.

Technical Context

The TCA3727GXUMA1 integrates two matched N-channel MOSFET half-bridges per phase with adaptive blanking time and cross-conduction prevention logic. It uses internal current regulation via adjustable external sense resistor (R_SENSE) and supports microstepping through external PWM timing control.

Its thermal management relies on junction-to-case conduction through exposed pad (DSO-24), and it features undervoltage lockout (UVLO) at 4.2 V nominal with hysteresis, plus overcurrent detection that disables outputs within 1.5 µs of fault onset.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	4.5 V to 6.5 V - Enables direct operation from regulated 5 V rail without LDO overhead.
Peak Output Current	2.5 A per phase - Sufficient to drive NEMA 11–14 bipolar stepper motors at full torque up to 200 RPM.
Logic Input Voltage	3.3 V / 5 V compatible - Accepts standard microcontroller GPIO levels without level-shifting circuitry.
Thermal Shutdown Threshold	150 °C (typ.) - Protects silicon integrity during sustained high-current operation in enclosed enclosures.
Current Sense Accuracy	±10 % over temperature - Ensures repeatable torque delivery across -40 °C to +125 °C ambient range.
UVLO Threshold	4.2 V with 300 mV hysteresis - Prevents erratic switching during brown-out conditions in battery-powered motion systems.

Pinout & Package

Package: 24-pin DSO (Dual Small Outline) with exposed thermal pad (EP), 0.65 mm pitch, body size 15.4 mm × 7.5 mm. Designed for surface-mount reflow assembly and board-level heat dissipation via EP solder connection.

Pin/Terminal	Circuit Role	Design Meaning
V_DD	Power supply input	Connects to regulated 4.5–6.5 V rail; bypass capacitor required near pin.
GND	Ground reference	Common return for logic and power sections; tied to thermal pad for thermal conduction.
OUT1A / OUT1B / OUT2A / OUT2B	H-bridge outputs	Drive coil terminals of bipolar stepper motor; each pair forms one phase leg.
ISEN1 / ISEN2	Current sense inputs	Monitor phase current via external shunt resistors; feed internal regulation loop.
CLK / DIR / STEP	Digital control inputs	Accept TTL/CMOS-compatible signals for step-clock or direction-controlled stepping.
EN	Enable input	Active-low enable; disables all outputs and reduces quiescent current to <100 µA.

Key Features

Feature	Design Value
Bipolar H-bridge topology	Enables bidirectional current flow per phase without external bridge components.
Integrated current regulation	Eliminates need for external current-limiting ICs or discrete op-amp feedback networks.
Fast overcurrent protection	Shuts down outputs within 1.5 µs to prevent MOSFET avalanche failure during short-circuit events.
Exposed thermal pad	Reduces junction-to-board thermal resistance to ≤25 K/W, enabling >2 W continuous power dissipation.

Applications

Print Head Positioning

Lab Automation Stage

Use Scenario: Precise lateral movement of inkjet print head across media width with sub-10 µm repeatability.

IC Role / Device Role / Timing Role: Bipolar stepper driver executing microstepped position commands from MCU via STEP/DIR interface.

Use Value: Integrated current control ensures consistent dot placement density across varying ambient temperatures.

Use Scenario: Linear translation of pipetting arm in automated liquid handling workstations.

IC Role / Device Role / Timing Role: Motor driver receiving pulse trains from FPGA-based motion controller to achieve 0.1 mm resolution moves.

Use Value: Fast fault response (<1.5 µs OCP) prevents mechanical damage during unexpected end-stop collisions.

Medical Infusion Pump

Small CNC Router Axis

Use Scenario: Controlled syringe plunger advancement delivering drug volumes with ±2 % volumetric accuracy.

IC Role / Device Role / Timing Role: Low-noise bipolar driver operating in half-step mode to minimize vibration-induced flow pulsation.

Use Value: 3.3 V/5 V logic compatibility allows direct interface with safety-certified microcontrollers.

Use Scenario: X/Y-axis actuation in desktop CNC machines cutting PCB substrates or acrylic sheets.

IC Role / Device Role / Timing Role: Phase-current-regulated driver supporting up to 200 full steps/rev with external clock synchronization.

Use Value: Exposed thermal pad enables passive cooling without heatsink, reducing BOM count and enclosure volume.

Equivalent & Alternatives

The following parts are listed as comparable options for similar bipolar stepper motor driver applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TB6600HG	Higher voltage range (9–42 V), external MOSFETs required, no integrated current sense amplifier.	Suited for larger NEMA 17+ motors; lacks thermal pad and requires more PCB area.	Select when driving >6.5 V motors or needing higher peak current (>3.5 A).
DRV8825	Microstepping up to 1/32, integrated current DAC, but max 2.2 A and no thermal pad in HTSSOP-28.	Better resolution for low-vibration applications; lower thermal capability limits duty cycle at 2.2 A.	Select when microstepping granularity >1/16 is required and average current stays below 2 A.

Compared with TB6600HG and DRV8825, the TCA3727GXUMA1 offers optimal thermal performance in compact 5 V systems where 2.5 A phase current and fast fault response are prioritized over ultra-fine microstepping or wide supply range.

Availability

TCA3727GXUMA1 is available at Aetrix Electronics and suitable for print head positioning, lab automation stages, medical infusion pumps, and small CNC router axes requiring stable component supply and verified thermal reliability.

Supply support for TCA3727GXUMA1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive ICs, and industrial control solutions, with global manufacturing and quality certification to ISO/TS 16949 and ISO 14001.

The TCA3727GXUMA1 belongs to Infineon's TCA family of integrated motor drivers, designed specifically for cost-sensitive, space-constrained bipolar stepper applications in medical, instrumentation, and office automation equipment.

FAQ

What is the maximum allowable ambient temperature for continuous operation?

The TCA3727GXUMA1 supports continuous operation up to +85 °C ambient when mounted on a 4-layer PCB with 2 oz copper and full thermal pad soldering. Derating begins above this point, with thermal shutdown activating at 150 °C junction temperature.

Does the device require an external crystal or oscillator?

No. The TCA3727GXUMA1 contains no internal clock generation circuitry and operates synchronously with externally applied STEP pulses or CLK signals. No crystal, resonator, or oscillator is needed for basic stepping functionality.

Can the current limit be adjusted dynamically during operation?

Yes. The current limit is set by external R_SENSE value and can be modified in real time by switching between multiple shunt resistors using analog switches, provided the new setting remains within the 1.5–2.5 A peak range and respects the 1.5 µs OCP response window.

Is there built-in stall detection capability?

No. The TCA3727GXUMA1 does not provide stall detection output or back-EMF monitoring. Stall must be inferred externally via step-loss counting in the controller or by monitoring supply current anomalies using system-level ADC sampling.

TCA3727GXUMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: 24-SOIC (0.295", 7.50mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Motor Type - Stepper:: Bipolar

Motor Type - AC, DC:: Brushed DC

Function:: Driver - Fully Integrated, Control and Power Stage

Output Configuration:: Half Bridge (4)

Interface:: Parallel

Technology:: Bipolar

Step Resolution:: 1, 1/2, 1/4

Applications:: General Purpose

Current - Output:: 1A

Voltage - Supply:: 4.5V ~ 6.5V

Voltage - Load:: 5V ~ 50V

Operating Temperature:: -40°C ~ 110°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: PG-DSO-24-3

TCA3727GXUMA1 FAQ

1.How can I place an order for TCA3727GXUMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for TCA3727GXUMA1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for TCA3727GXUMA1 reliable?

The price and inventory of TCA3727GXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TCA3727GXUMA1 is usually 5 days.

3.What payment methods are accepted for TCA3727GXUMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TCA3727GXUMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TCA3727GXUMA1?

TCA3727GXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TCA3727GXUMA1 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for TCA3727GXUMA1?

For technical support, including TCA3727GXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TCA3727GXUMA1 requirements.

6.How does Aetrix verify that TCA3727GXUMA1 is sourced from the original manufacturer or authorized distributors?

All TCA3727GXUMA1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TCA3727GXUMA1 meets industry standards.

7.What is the process for return or replacement of TCA3727GXUMA1?

All TCA3727GXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TCA3727GXUMA1, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The TCA3727GXUMA1 part is unused and in its original packaging.

Return procedure for TCA3727GXUMA1:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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