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

STMicroelectronics L6205PD013TR

Name: L6205PD013TR
Brand: STMicroelectronics
SKU: L6205PD013TR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: L6205PD013TR

Manufacturer:: STMicroelectronics

Category:: Motor Drivers, Controllers

Package:: 20-SOIC (0.433", 11.00mm Width) Exposed Pad

Datasheet:: L6205PD013TR.pdf

Description:: IC MTR DRV BIPOLAR 8-52V 20PWRSO

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Product details

Overview

L6205PD013TR from STMicroelectronics is a DMOS dual full-bridge motor driver IC designed for bipolar stepper and dual/quad DC motor control, featuring 5.6A peak output current (2.8A DC), 0.34Ω typical high-side R_DS(ON) at 25°C, 8–52V operating supply voltage, non-dissipative overcurrent protection, and integrated fast freewheeling diodes. It operates up to 100kHz switching frequency and supports paralleled operation for higher current or lower dissipation.

For engineers reviewing the L6205PD013TR datasheet, L6205PD013TR pinout, L6205PD013TR application, or L6205PD013TR equivalent, key selection criteria include bridge enable logic behavior, bootstrap charge pump timing (600kHz VCP output), thermal shutdown threshold (165°C), dead-time protection (0.5–1µs), and SENSEA/SENSEB current-sense architecture without external shunts.

Technical Context

The L6205PD013TR integrates two independent DMOS full bridges with matched high-side and low-side N-channel power transistors, each with intrinsic fast freewheeling diodes and 0.34Ω/0.28Ω (HS/LS) R_DS(ON) at 25°C. Cross-conduction prevention uses programmable dead time (0.5–1µs) between complementary switch transitions per leg.

It employs an internal charge pump (VCP output @ 600kHz, 10V amplitude) to generate VBOOT for high-side gate drive above VS, enabling N-MOS upper switches. Overcurrent detection is non-dissipative, sensing fractional current directly from high-side DMOS cells and triggering EN pin pull-down via open-drain MOSFET when ISOVER ≥ 5.6A (typ).

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	8–52V - Supports wide industrial DC bus voltages including 24V and 48V systems without external regulation.
Peak Output Current	5.6A - Enables driving high-torque bipolar stepper motors or dual DC motors under pulse load.
R_DS(ON) (HS, 25°C)	0.34Ω typ - Limits conduction loss to ~5.4W per high-side switch at 4A RMS, critical for thermal design.
Switching Frequency	Up to 100kHz - Allows fine PWM resolution for smooth microstepping and torque control in stepper applications.
Thermal Shutdown	165°C (typ), 15°C hysteresis - Protects die during overload or poor heatsinking; recovery requires junction cooldown below 150°C.
OCD Threshold	5.6A (typ) - Triggers fault response without external sense resistor, eliminating shunt power loss and PCB area.
VCP Frequency	600kHz (typ) - Drives external bootstrap capacitor (CBOOT = 220nF) to sustain VBOOT > VS + 10V for reliable high-side turn-on.

Pinout & Package

Package: PowerSO-20 (exposed thermal slug, pins 1/10/11/20 internally connected to GND). Designed for surface-mount assembly with bottom-side copper thermal pad soldering to PCB ground plane.

Pin/Terminal	Circuit Role	Design Meaning
IN1A / IN2A / IN1B / IN2B	Bridge Logic Inputs	TTL/CMOS-compatible control signals defining H-bridge direction per channel (e.g., IN1A=H/IN2A=L → OUT1A=VS, OUT2A=GND).
ENA / ENB	Bridge Enable Inputs	Active-high enables respective bridge; also serve as OCD fault outputs-internally pulled low (<1.3V) during overcurrent.
SENSEA / SENSEB	Current Sense Reference	Connect directly to power ground (or low-value sense resistor); source internal current proportional to bridge output current.
VSA / VSB	Bridge Power Supplies	Independent 8–52V inputs for Bridge A and B; must be tied together externally for single-supply operation.
OUT1A / OUT2A / OUT1B / OUT2B	Power Outputs	Four high-current terminals (5.6A peak) forming two independent full H-bridges for bidirectional motor winding control.
VBOOT	Bootstrap Supply	Accepts charge-pump voltage (VS + 10V max) to drive high-side gates; requires external CBOOT (220nF) and diode.
VCP	Charge Pump Oscillator	600kHz square wave output (10V amplitude) driving external CP (10nF) and RP (100Ω) to generate VBOOT.
GND (Pins 1,10,11,20)	Signal & Thermal Ground	Four dedicated ground pins; slug connection enables low R_th-j-amb (~15°C/W with vias + ground plane).

Key Features

Feature	Design Value
Non-dissipative overcurrent protection	Eliminates need for external current-sense resistors and associated power loss, simplifying layout and improving efficiency.
Integrated fast freewheeling diodes	Reduces external component count and PCB footprint; diode V_F = 1.15–1.3V enables efficient energy recirculation during PWM decay.
Programmable fault recovery timing	External R_EN/C_EN on ENA/ENB set t_DISABLE (e.g., 100kΩ + 5.6nF = 200µs) and t_DELAY (C_EN-dependent) for controlled restart after OCD.
Cross-conduction protection	Hardware-enforced 0.5–1µs dead time prevents shoot-through during PWM transitions, ensuring safe bridge commutation.
Thermal shutdown with hysteresis	165°C trip + 15°C hysteresis avoids oscillation during thermal stress; allows automatic recovery once junction cools to ≤150°C.

Applications

Bipolar Stepper Motor Control

Dual DC Motor Drive

Use Scenario: Driving 2-phase bipolar stepper motors in CNC positioning stages requiring precise microstepping and high holding torque.

IC Role / Device Role / Timing Role: Dual full-bridge driver providing independent phase current control with synchronized PWM and non-dissipative current limiting.

Use Value: Enables 5.6A peak phase current without external sense resistors, reducing board area and thermal overhead while supporting 100kHz step rates.

Use Scenario: Controlling two independent brushed DC motors in robotic joint actuators or automated guided vehicles (AGVs).

IC Role / Device Role / Timing Role: Dual H-bridge interface translating MCU GPIO commands into bidirectional motor rotation and braking with regenerative freewheeling.

Use Value: Delivers 2.8A continuous per motor (5.6A peak) with integrated diodes and thermal protection, eliminating discrete flyback diodes and thermal monitoring circuits.

Quad Motor Systems

Paralleled High-Current Bridge

Use Scenario: Operating four independent DC motors in compact industrial valve actuators or multi-axis lab equipment.

IC Role / Device Role / Timing Role: Single-chip solution implementing four half-bridges (via INx/ENx configuration) for independent motor control with shared power rails.

Use Value: Reduces component count vs. four single-channel drivers; leverages internal cross-conduction protection and unified thermal management.

Use Scenario: High-power linear actuator requiring >5A RMS current with minimal conduction loss and robust fault handling.

IC Role / Device Role / Timing Role: Two L6205 bridges paralleled per half-bridge (e.g., OUT1A || OUT1B) to achieve 0.15Ω effective R_DS(ON) and 11.2A OCD threshold.

Use Value: Doubles current capability while maintaining matched device characteristics and single-chip control logic, avoiding inter-device timing skew.

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual full-bridge motor driver applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TB6612FNG	Lower voltage (4.5–13.5V), lower current (1.2A RMS), no bootstrap circuit - uses internal charge pump for high-side drive.	Suitable only for low-voltage robotics and small DC motors; lacks 52V capability and non-dissipative OCD.	Select when supply is <15V and thermal budget is tight; avoid for industrial 24/48V stepper systems.
VNH7040AS	Single-channel high-side/low-side driver (not dual bridge); 60V rating, 14A peak, integrated current sense but dissipative (external shunt required).	Requires two devices for dual-bridge function; adds complexity in layout and control synchronization.	Choose for ultra-high reliability automotive applications needing ASIL-B compliance; not drop-in for L6205's dual-bridge topology.

Compared with TB6612FNG and VNH7040AS, the L6205PD013TR uniquely combines 52V operation, dual-bridge integration, non-dissipative overcurrent protection, and bootstrap-based high-side drive - making it optimal for industrial stepper and dual-motor systems where voltage range, fault resilience, and component count are critical.

Availability

L6205PD013TR is available at Aetrix Electronics and suitable for industrial motion control, CNC equipment, and automated machinery requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for L6205PD013TR 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in power management, motor control, and automotive-grade ICs with vertical manufacturing capabilities.

The L6205 belongs to ST's MultiPower-BCD motor driver product line, engineered specifically for high-efficiency, high-voltage DC and stepper motor control in industrial automation and factory equipment.

FAQ

What is the recommended external capacitor value for the VCP oscillator output?

The datasheet specifies a 10nF ceramic capacitor (CP) between VCP and ground, paired with a 100Ω resistor (RP) to form the charge pump timing network. This combination ensures stable 600kHz oscillation and proper VBOOT voltage generation for high-side gate drive. Deviations may cause insufficient bootstrap voltage or erratic switching behavior.

How does the non-dissipative overcurrent protection work without a sense resistor?

The L6205PD013TR embeds precision current-mirroring circuitry within each high-side DMOS cell, delivering a scaled replica (1/n) of the output current to the SENSEA/SENSEB pins. This internal sensing eliminates external shunts while maintaining accurate 5.6A (typ) trip threshold and fast 200ns OCD response time.

Can ENA and ENB be tied together for synchronous bridge enable?

Yes - ENA and ENB can be driven by a common signal to enable both bridges simultaneously. However, doing so forfeits independent fault isolation: an overcurrent on Bridge A will disable both bridges. For independent operation, use separate R_EN/C_EN networks and monitor each EN pin individually.

What thermal resistance can be achieved with the PowerSO-20 package on a standard PCB?

With the PowerSO-20's exposed thermal slug soldered to a 6cm² copper area (35µm thick) on a multilayer FR4 board using 16 thermal vias to an internal ground plane, R_th-j-amb is 15°C/W (typ). This enables 2.8A RMS operation at 24V without forced air cooling, assuming ambient ≤70°C and max T_j = 125°C.

L6205PD013TR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: STSPIN L62

Package/Case:: 20-SOIC (0.433", 11.00mm Width) Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Active

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:: BiCDMOS

Step Resolution:: -

Applications:: General Purpose

Current - Output:: 2.8A

Voltage - Supply:: 8V ~ 52V

Voltage - Load:: 8V ~ 52V

Operating Temperature:: -25°C ~ 125°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: PowerSO-20

L6205PD013TR FAQ

1.How can I place an order for L6205PD013TR through Aetrix?

Please submit a Request for Quotation (RFQ) for L6205PD013TR 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 L6205PD013TR reliable?

The price and inventory of L6205PD013TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for L6205PD013TR is usually 5 days.

3.What payment methods are accepted for L6205PD013TR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for L6205PD013TR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for L6205PD013TR?

L6205PD013TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your L6205PD013TR 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 L6205PD013TR?

For technical support, including L6205PD013TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your L6205PD013TR requirements.

6.How does Aetrix verify that L6205PD013TR is sourced from the original manufacturer or authorized distributors?

All L6205PD013TR 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 L6205PD013TR meets industry standards.

7.What is the process for return or replacement of L6205PD013TR?

All L6205PD013TR units undergo pre-shipment inspection (PSI). If there is an issue with L6205PD013TR, 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 L6205PD013TR part is unused and in its original packaging.

Return procedure for L6205PD013TR:

1.Submit a request within 90 days.

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

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