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STMicroelectronics - DMOS DRIVER FOR THREE-PHASE BRUSHLESS DC MOTOR

Numéro de référence L6229D
Description DMOS DRIVER FOR THREE-PHASE BRUSHLESS DC MOTOR
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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L6229D fiche technique
L6229
DMOS DRIVER FOR
THREE-PHASE BRUSHLESS DC MOTOR
1 FEATURES
OPERATING SUPPLY VOLTAGE FROM 8 TO
52V
2.8A OUTPUT PEAK CURRENT (1.4A DC)
RDS(ON) 0.73TYP. VALUE @ Tj = 25 °C
OPERATING FREQUENCY UP TO 100KHz
NON DISSIPATIVE OVERCURRENT
DETECTION AND PROTECTION
DIAGNOSTIC OUTPUT
CONSTANT tOFF PWM CURRENT
CONTROLLER
SLOW DECAY SYNCHR. RECTIFICATION
60° & 120° HALL EFFECT DECODING LOGIC
BRAKE FUNCTION
TACHO OUTPUT FOR SPEED LOOP
CROSS CONDUCTION PROTECTION
THERMAL SHUTDOWN
UNDERVOLTAGE LOCKOUT
INTEGRATED FAST FREEWEELING DIODES
2 DESCRIPTION
The L6229 is a DMOS Fully Integrated Three-Phase
Motor Driver with Overcurrent Protection.
Realized in MultiPower-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
three-phase BLDC motor including: a three-phase
DMOS Bridge, a constant off time PWM Current Con-
troller 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-
Figure 1. Package
PowerDIP24
(20+2+2)
PowerSO36
SO24
(20+2+2)
Table 1. Order Codes
Part Number
Package
L6229N
L6229PD
L6229PDTR
PowerDIP24
PowerSO36
PowerSO36 in Tape & Reel
L6229D
SO24
L6229DTR
SO24 in Tape & Reel
dissipative overcurrent protection on the high side
Power MOSFETs and thermal shutdown.
October 2004
Rev. 3
1/25

PagesPages 25
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L6229DTR DMOS DRIVER FOR THREE-PHASE BRUSHLESS DC MOTOR STMicroelectronics
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