DMOS driver for 3-phase brushless DC motor

The L6229 is a DMOS fully integrated 3-phase motor driver with overcurrent protection.

Realized in BCD technology, the device combines isolated DMOS power transistors with CMOS and bipolar circuits on the same chip.

The device includes all the circuitry needed to drive a 3-phase BLDC motor including: a 3-phase DMOS bridge, a constant off time PWM current controller and the decoding logic for single ended hall sensors that generates the required sequence for the power stage.

Available in PowerDIP24 (20 + 2 + 2), PowerSO36 and SO24 (20 + 2 + 2) packages, the L6229 features a non-dissipative overcurrent protection on the high-side Power MOSFETs and thermal shutdown.

Key Features

  • Operating supply voltage from 8 to 52 V
  • 2.8 A output peak current (1.4 A DC)
  • RDS(ON) 0.73 Ω typ. value at Tj = 25 °C
  • Operating frequency up to 100 KHz
  • Non-dissipative overcurrent detection and protection
  • Diagnostic output
  • Constant tOFF PWM current controller
  • Slow decay synchr. rectification
  • 60° and 120° hall effect decoding logic
  • Brake function
  • Tachometer output for speed loop
  • Cross conduction protection
  • Thermal shutdown
  • Undervoltage lockout
  • Integrated fast freewheeling diodes

Circuit Diagram

0 Download

Resources

Technical Documentation

Product Specifications
Description Version Size
DS3275 DS3275: DMOS driver for 3-phase brushless DC motor 4.0 679 KB
Application Notes
Description Version Size
AN1625 AN1625: L6235 three phase brushless DC motor driver 2.5 1 MB
AN1794 AN1794: PractiSPIN evaluation system configuration and set up guide 2.4 435 KB
Design Notes & Tips
Description Version Size
DT0045 DT0045: Design made easy with DC & BLDC motor driver tools 1.2 400 KB
DT0001 DT0001: Speed control using the L6235 or L6229 with a PWM output from a microcontroller 1.1 124 KB

Presentations & Training Material

Presentations
Description Version Size
An introduction to electric motors 1.0 2 MB
STSPIN L620x, L622x and L623x product presentation 1.0 1 MB

Publications and Collaterals

Selection Guides
Description Version Size
STSPIN motor drivers 11.2017 1 MB
Brochures
Description Version Size
Motor Control Reference Guide 15.10 2 MB
Products and Solutions for Factory Automation and Control 2.0 3 MB

Tools and Software

Evaluation Tools
Solution Evaluation Tools
Get Started Support & Community


Sample & Buy

Part Number Marketing Status Quantity Unit Price (US$) * Package Packing Type Operating Temperature (°C) (min) Operating Temperature (°C) (max) ECCN (EU) ECCN (US) Country of Origin More info Order from ST Order from Distributors
L6229PD Active 1000 3.784 PowerSO 36 Tube -40 150 NEC EAR99 MALAYSIA MORE INFO DISTRIBUTOR AVAILABILITY
L6229D Active 1000 3.027 SO-24 Tube -40 150 NEC EAR99 MALAYSIA MORE INFO DISTRIBUTOR AVAILABILITY
L6229N Active 1000 3.028 PDIP 24 .3 Tube -40 150 NEC EAR99 MALAYSIA MORE INFO No availability reported, please contact our Sales office
L6229DTR Active 1000 3.027 SO-24 Tape And Reel -40 150 NEC EAR99 MALAYSIA MORE INFO Get Sample Add to cart DISTRIBUTOR AVAILABILITY
L6229PDTR Active 1000 3.784 PowerSO 36 Tape And Reel -40 150 NEC EAR99 MALAYSIA MORE INFO Get Sample Add to cart DISTRIBUTOR AVAILABILITY
test

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

Quality & Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L6229PD ActivePowerSO 36IndustrialEcopack2 (**) 0 0
L6229D ActiveSO-24IndustrialEcopack1 0 0
L6229N ActivePDIP 24 .3IndustrialEcopack1
L6229DTR ActiveSO-24IndustrialEcopack1 0 0
L6229PDTR ActivePowerSO 36IndustrialEcopack2 (**) 0 0
test

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

×