L6226QTR
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STMicroelectronics L6226QTR

Manufacturer No:
L6226QTR
Manufacturer:
STMicroelectronics
Package:
Tape & Reel (TR)
Description:
IC MTR DRVR BIPLR 8-52V 32VFQFPN
Delivery:
Payment:
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Product Introduction

Overview

The L6226QTR, produced by STMicroelectronics, is a DMOS dual full bridge driver designed specifically for motor control applications. It is realized in BCDmultipower technology, which integrates isolated DMOS power transistors with CMOS and bipolar circuits on the same chip. This device is available in a QFN32 5x5 package and features advanced protection mechanisms such as thermal shutdown, under voltage lockout, and cross conduction protection.

Key Specifications

Parameter Value Unit
Operating Supply Voltage 8 to 52 V
Output Peak Current 2.8 A A
Output DC Current 1.4 A A
RDS(on) 0.73 Ω (typical @ 25 °C) Ω
Operating Frequency Up to 100 kHz kHz
Thermal Shutdown Temperature 165 °C (typical) °C
Thermal Resistance Junction-Ambient 42 °C/W (max.) °C/W
Switching Frequency Up to 100 kHz kHz

Key Features

  • Programmable high side overcurrent detection and protection
  • Diagnostic output for overcurrent and thermal protection
  • Paralleled operation capability to increase output current or reduce power dissipation
  • Cross conduction protection with a dead time of 1 μs (typical)
  • Integrated fast free wheeling diodes
  • TTL/CMOS and microcontroller compatible logic inputs
  • Charge pump circuit for gate drive voltage above the power supply voltage
  • Thermal shutdown with 15 °C hysteresis (typical)
  • Under voltage lockout

Applications

  • Bipolar stepper motor control
  • Dual or quad DC motor control

The L6226QTR is suitable for various motor control applications where high reliability, efficiency, and protection against overcurrent and thermal issues are critical.

Q & A

  1. What is the operating supply voltage range of the L6226QTR?

    The operating supply voltage range is from 8 to 52 V.

  2. What is the maximum output peak current of the L6226QTR?

    The maximum output peak current is 2.8 A.

  3. What is the typical RDS(on) value of the L6226QTR at 25 °C?

    The typical RDS(on) value is 0.73 Ω.

  4. What is the maximum operating frequency of the L6226QTR?

    The maximum operating frequency is up to 100 kHz.

  5. Does the L6226QTR have thermal shutdown protection?

    Yes, it has thermal shutdown protection with a typical temperature of 165 °C.

  6. Can the outputs of the L6226QTR be paralleled?

    Yes, the outputs can be paralleled to increase the output current capability or reduce power dissipation.

  7. What type of logic inputs does the L6226QTR have?

    The L6226QTR has TTL/CMOS and microcontroller compatible logic inputs.

  8. How does the charge pump circuit work in the L6226QTR?

    The charge pump circuit generates a gate drive voltage above the power supply voltage using an internal oscillator and external components.

  9. What is the purpose of the diagnostic output in the L6226QTR?

    The diagnostic output is used to indicate overcurrent detection and thermal protection.

  10. How should unused logic pins be handled in the L6226QTR?

    Unused logic pins should be connected to 5 V (high logic level) or GND (low logic level) to increase noise immunity.

Product Attributes

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:DMOS
Step Resolution:- 
Applications:General Purpose
Current - Output:1.4A
Voltage - Supply:8V ~ 52V
Voltage - Load:8V ~ 52V
Operating Temperature:-25°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Package / Case:32-VFQFN Exposed Pad
Supplier Device Package:32-VFQFPN (5x5)
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In Stock

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Same Series
L6226Q
L6226Q
IC MTR DRVR BIPLR 8-52V 32VFQFPN

Similar Products

Part Number L6226QTR L6228QTR L6229QTR L6227QTR L6226DTR
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Product Status Active Active Active Active Active
Motor Type - Stepper Bipolar Bipolar - Bipolar Bipolar
Motor Type - AC, DC Brushed DC - Brushless DC (BLDC) Brushed DC Brushed DC
Function Driver - Fully Integrated, Control and Power Stage Driver - Fully Integrated, Control and Power Stage Driver - Fully Integrated, Control and Power Stage Driver - Fully Integrated, Control and Power Stage Driver - Fully Integrated, Control and Power Stage
Output Configuration Half Bridge (4) Half Bridge (4) Half Bridge (3) Half Bridge (4) Half Bridge (4)
Interface Parallel Parallel Parallel Parallel Parallel
Technology DMOS DMOS BiCDMOS DMOS DMOS
Step Resolution - 1, 1/2 - - -
Applications General Purpose General Purpose General Purpose General Purpose General Purpose
Current - Output 1.4A 1.4A 1.4A 1.4A 1.4A
Voltage - Supply 8V ~ 52V 8V ~ 52V 8V ~ 52V 8V ~ 52V 8V ~ 52V
Voltage - Load 8V ~ 52V 8V ~ 52V 8V ~ 52V 8V ~ 52V 8V ~ 52V
Operating Temperature -25°C ~ 125°C (TJ) -40°C ~ 150°C (TJ) -25°C ~ 125°C (TJ) -25°C ~ 125°C (TJ) -25°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 32-VFQFN Exposed Pad 32-VFQFN Exposed Pad 32-VFQFN Exposed Pad 32-VFQFN Exposed Pad 24-SOIC (0.295", 7.50mm Width)
Supplier Device Package 32-VFQFPN (5x5) 32-VFQFPN-EP (5x5) 32-VFQFPN-EP (5x5) 32-VFQFPN (5x5) 24-SOIC

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