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STMicroelectronics Electronic Components Datasheet

L6229DTR Datasheet

DMOS DRIVER FOR THREE-PHASE BRUSHLESS DC MOTOR

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L6229DTR pdf
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


STMicroelectronics Electronic Components Datasheet

L6229DTR Datasheet

DMOS DRIVER FOR THREE-PHASE BRUSHLESS DC MOTOR

No Preview Available !

L6229DTR pdf
L6229
Figure 2. Block Diagram
VBOOT
VCP
VBOOT
CHARGE
PUMP
THERMAL
PROTECTION
DIAG
EN
BRAKE
FWD/REV
H3
H2
H1
OCD
OCD1
OCD2
OCD3
OCD
HALL-EFFECT
SENSORS
DECODING
LOGIC
GATE
LOGIC
VBOOT
OCD1
10V
VBOOT
OCD2
10V
VBOOT
VSA
OUT1
OUT2
SENSEA
VSB
RCPULSE
TACHO
TACHO
MONOSTABLE
10V 5V
VOLTAGE
REGULATOR
OCD3
10V
OUT3
ONE SHOT
MONOSTABLE
PWM
MASKING
TIME
+
SENSE
-
COMPARATOR
SENSEB
VREF
RCOFF
D99IN1095B
Table 2. Absolute Maximum Ratings
Symbol
VS
VOD
VBOOT
VIN, VEN
VREF
VRCOFF
VRCPULSE
VSENSE
IS(peak)
IS
Tstg, TOP
Parameter
Test conditions
Supply Voltage
Differential Voltage between:
VSA, OUT1, OUT2, SENSEA
and VSB, OUT3, SENSEB
Bootstrap Peak Voltage
Logic Inputs Voltage Range
VSA = VSB = VS
VSA = VSB = VS = 60V;
VSENSEA = VSENSEB = GND
VSA = VSB = VS
Voltage Range at pin VREF
Voltage Range at pin RCOFF
Voltage Range at pin RCPULSE
Voltage Range at pins SENSEA
and SENSEB
Pulsed Supply Current (for each
VSA and VSB pin)
DC Supply Current (for each
VSA and VSB pin)
Storage and Operating
Temperature Range
VSA = VSB = VS; TPULSE < 1ms
VSA = VSB = VS
Value
60
60
VS + 10
-0.3 to 7
-0.3 to 7
-0.3 to 7
-0.3 to 7
-1 to 4
3.55
1.4
-40 to 150
Unit
V
V
V
V
V
V
V
V
A
A
°C
2/25


Part Number L6229DTR
Description DMOS DRIVER FOR THREE-PHASE BRUSHLESS DC MOTOR
Maker STMicroelectronics
Total Page 25 Pages
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