L6205
DMOS DUAL FULL BRIDGE DRIVER
s
s
s
s
s
s
s
s
s
s
OPERATING SUPPLY VOLTAGE FROM 8 TO 52V
5.6A OUTPUT PEAK CURRENT (2.8A DC)
RDS(ON) 0.3Ω TYP. VALUE @ Tj = 25 °C
OPERATING FREQUENCY UP TO 100KHz
NON DISSIPATIVE OVERCURRENT
PROTECTION
PARALLELED OPERATION
CROSS CONDUCTION PROTECTION
THERMAL SHUTDOWN
UNDER VOLTAGE LOCKOUT
INTEGRATED FAST FREE WHEELING DIODES
TYPICAL APPLICATIONS
s BIPOLAR STEPPER MOTOR
s DUAL OR QUAD DC MOTOR
DESCRIPTION
The L6205 is a DMOS Dual Full Bridge designed for
motor control applications, realized in MultiPower-
PowerDIP20
(16+2+2)
PowerSO20
SO20
(16+2+2)
ORDERING NUMBERS:
L6205N (PowerDIP20)
L6205PD (PowerSO20)
L6205D (SO20)
BCD technology, which combines isolated DMOS
Power Transistors with CMOS and bipolar circuits on
the same chip. Available in PowerDIP20 (16+2+2),
PowerSO20 and SO20(16+2+2) packages, the
L6205 features a non-dissipative protection of the
high side PowerMOSFETs and thermal shutdown.
BLOCK DIAGRAM
VBOOT
VBOOT
VBOOT
VSA
VBOOT
CHARGE
PUMP
VCP
OCDA
OVER
CURRENT
DETECTION
OUT1A
10V
THERMAL
PROTECTION
OUT2A
10V
GATE
LOGIC
ENA
IN1A
SENSEA
IN2A
VOLTAGE
REGULATOR
10V
5V
BRIDGE A
OCDB
OVER
CURRENT
DETECTION
V SB
OUT1B
ENB
OUT2B
GATE
LOGIC
SENSEB
IN1B
IN2B
BRIDGE B
D99IN1091A
September 2003
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