DataSheet.es    


PDF L6234 Data sheet ( Hoja de datos )

Número de pieza L6234
Descripción THREE PHASE MOTOR DRIVER
Fabricantes STMicroelectronics 
Logotipo STMicroelectronics Logotipo



Hay una vista previa y un enlace de descarga de L6234 (archivo pdf) en la parte inferior de esta página.


Total 10 Páginas

No Preview Available ! L6234 Hoja de datos, Descripción, Manual

L6234
THREE PHASE MOTOR DRIVER
SUPPLY VOLTAGE FROM 7 TO 52V
5A PEAK CURRENT
RDS ON 0.3TYP. VALUE AT 25°C
CROSS CONDUCTION PROTECTION
TTL COMPATIBLE DRIVER
OPERATING FREQUENCY TO 50KHz
THERMAL SHUTDOWN
INTRINSIC FAST FREE WHEELING DIODES
INPUT AND ENABLE FUNCTION FOR
EVERY HALF BRIDGE
10V EXTERNAL REFERENCE AVAILABLE
POWER DIP (16+2+2)
PowerSO20
DESCRIPTION
The L6234 is a triple half bridge to drive a
brushless motor.
It is realized in Multipower BCD technology which
combines isolated DMOS power transistors with
CMOS and Bipolar circuits on the same chip.
By using mixed technology it has been possible to
optimize the logic circuitry and the power stage to
achieve the best possible performance.
The output DMOS transistors can sustain a very
high current due to the fact that the DMOS struc-
ture is not affected by the second breakdown ef-
PIN CONNECTION (Top view)
ORDERING NUMBERS: L6234 (POWER DIP 16+2+2)
L6234PD (PowerSO20)
fect, the RMS maximum current is practically lim-
ited by the dissipation capability of the package.
All the logic inputs are TTL, CMOS and µP com-
patible. Each channel is controlled by two sepa-
rate logic input.
L6234 is available in 20 pin POWER DIP package
(16+2+2) and in PowerSO20.
OUT1
IN1
EN1
VS
GND
GND
VS
EN3
IN3
OUT3
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
D98IN848
OUT2
IN2
EN2
SENSE1
GND
GND
SENSE2
VBOOT
VCP
VREF
POWER DIP (16+2+2)
March 1998
GND
SENSE1
EN2
IN2
OUT2
OUT1
IN1
EN1
VS
GND
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
D94IN129A
PowerSO20
GND
SENSE2
VBOOT
Vcp
VREF
OUT3
IN3
EN3
VS
GND
1/10

1 page




L6234 pdf
L6234
ELECTRICAL CHARACTERISTICS (Vs = 42V ; Tj = 25°C unless otherwise specified)
Symbol
VS
Vref
IS
TS
TD
Parameter
Supply Voltage
Reference Voltage
Quiescent Supply Current
Thermal Shutdown
Dead Time Protection
Test Condition
Min.
7
150
Typ.
10
6.5
300
Max.
52
Unit
V
V
mA
°C
ns
OUTPUT DMOS TRANSISTOR
Symbol
IDSS
RDS (ON)
Parameter
Leakage Current
ON Resistance
Test Condition
Min.
Typ.
0.3
Max.
1
Unit
mA
SOURCE DRAIN DIODE
Symbol
VSD
TRR
T pr
Parameter
Forward ON Voltage
Reverse Recovery Time
Forward Recovery Time
Test Condition
ISD = 4A; EN = LOW
IF = 4A
Min.
Typ.
1.2
900
200
Max.
Unit
V
ns
ns
LOGIC LEVELS
Symbol
VINL, VENL
VINH, VENH
IINL, IENL
IINH, IENH
Parameter
Input LOW Voltage
Input HIGH Voltage
Input LOW Current
Input HIGH Current
Test Condition
VIN,VEN = L
VIN,VEN = H
Min.
-0.3
2
Typ.
30
Max.
0.8
7
-10
Unit
V
V
µA
µA
CIRCUIT DESCRIPTION
L6234 is a triple half bridge designed to drive
brushless DC motors.
Each half bridge has 2 power DMOS transistors
with RdsON = 0.3Ω. The 3 half bridges can be
controlled independentlyby means of the 3 inputs
IN1, IN2, IN3 and the 3 inputs EN1, EN2, and
EN3. An external connection to the 3 common
low side DMOS sources is provided to connect a
sensing resistor for constant current chopping ap-
plication.
The driving stage and the logic stage are de-
signed to work from 7V to 52V.
5/10

5 Page










PáginasTotal 10 Páginas
PDF Descargar[ Datasheet L6234.PDF ]




Hoja de datos destacado

Número de piezaDescripciónFabricantes
L6232ASPINDLE DRIVERST Microelectronics
ST Microelectronics
L6232BSPINDLE DRIVERSTMicroelectronics
STMicroelectronics
L6232ESPINDLE DRIVERSTMicroelectronics
STMicroelectronics
L6234THREE PHASE MOTOR DRIVERSTMicroelectronics
STMicroelectronics

Número de piezaDescripciónFabricantes
SLA6805M

High Voltage 3 phase Motor Driver IC.

Sanken
Sanken
SDC1742

12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters.

Analog Devices
Analog Devices


DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares,
permitiéndote verlos en linea o descargarlos en PDF.


DataSheet.es    |   2020   |  Privacy Policy  |  Contacto  |  Buscar