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STMicroelectronics - DMOS DUAL FULL BRIDGE DRIVER WITH PWM CURRENT CONTROLLER

Numéro de référence L6207N
Description DMOS DUAL FULL BRIDGE DRIVER WITH PWM CURRENT CONTROLLER
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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L6207N fiche technique
L6207
DMOS DUAL FULL BRIDGE DRIVER
WITH PWM CURRENT CONTROLLER
s OPERATING SUPPLY VOLTAGE FROM 8 TO 52V
s 5.6A OUTPUT PEAK CURRENT (2.8A DC)
s RDS(ON) 0.3TYP. VALUE @ Tj = 25 °C
s OPERATING FREQUENCY UP TO 100KHz
s NON DISSIPATIVE OVERCURRENT
PROTECTION
s DUAL INDEPENDENT CONSTANT tOFF PWM
CURRENT CONTROLLERS
s SLOW DECAY SYNCHRONOUS
RECTIFICATION
s CROSS CONDUCTION PROTECTION
s THERMAL SHUTDOWN
s UNDER VOLTAGE LOCKOUT
s INTEGRATED FAST FREE WHEELING DIODES
TYPICAL APPLICATIONS
s BIPOLAR STEPPER MOTOR
s DUAL DC MOTOR
DESCRIPTION
The L6207 is a DMOS Dual Full Bridge designed for
motor control applications, realized in MultiPower-
BLOCK DIAGRAM
PowerDIP24
(20+2+2)
PowerSO36
SO24
(20+2+2)
ORDERING NUMBERS:
L6207N (PowerDIP24)
L6207PD (PowerSO36)
L6207D (SO24)
BCD technology, which combines isolated DMOS
Power Transistors with CMOS and bipolar circuits on
the same chip. The device also includes two inde-
pendent constant off time PWM Current Controllers
that performs the chopping regulation. Available in
PowerDIP24 (20+2+2), PowerSO36 and SO24
(20+2+2) packages, the L6207 features a non-dissi-
pative overcurrent protection on the high side Power
MOSFETs and thermal shutdown.
VBOOT
VCP
VBOOT
CHARGE
PUMP
OCDA
ENA
IN1A
IN2A
THERMAL
PROTECTION
VOLTAGE
REGULATOR
10V 5V
ENB
IN1B
IN2B
September 2003
OCDB
VBOOT
VBOOT
VSA
OVER
CURRENT
DETECTION
GATE
LOGIC
10V
ONE SHOT
MONOSTABLE
OVER
CURRENT
DETECTION
GATE
LOGIC
10V
PWM
MASKING
TIME
+
SENSE
-
COMPARATOR
BRIDGE A
BRIDGE B
D99IN1085A
OUT1A
OUT2A
SENSEA
VREFA
RCA
VSB
OUT1B
OUT2B
SENSEB
VREFB
RCB
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