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PDF L6205PD Data sheet ( Hoja de datos )
| Número de pieza | L6205PD | |
| Descripción | DMOS DUAL FULL BRIDGE DRIVER | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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L6205
DMOS DUAL FULL BRIDGE DRIVER
s OPERATING SUPPLY VOLTAGE FROM 8 TO 52V
s 5.6A OUTPUT PEAK CURRENT (2.8A DC)
s RDS(ON) 0.3Ω TYP. VALUE @ Tj = 25 °C
s OPERATING FREQUENCY UP TO 100KHz
s NON DISSIPATIVE OVERCURRENT
PROTECTION
s PARALLELED OPERATION
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 OR QUAD DC MOTOR
DESCRIPTION
The L6205 is a DMOS Dual Full Bridge designed for
motor control applications, realized in MultiPower-
BLOCK DIAGRAM
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.
VBOOT
VCP
VBOOT
CHARGE
PUMP
OCDA
ENA
IN1A
IN2A
THERMAL
PROTECTION
VOLTAGE
REGULATOR
10V
5V
ENB
IN1B
IN2B
OCDB
OVER
CURRENT
DETECTION
GATE
LOGIC
OVER
CURRENT
DETECTION
GATE
LOGIC
VBOOT
10V
September 2003
VBOOT
VSA
OUT1A
OUT2A
10V
SENSEA
BRIDGE A
BRIDGE B
D99IN1091A
VSB
OUT1B
OUT2B
SENSEB
1/21
1 page  
ELECTRICAL CHARACTERISTICS
(Tamb = 25 °C, Vs = 48V, unless otherwise specified)
Symbol
Parameter
Test Conditions
VSth(ON) Turn-on Threshold
VSth(OFF) Turn-off Threshold
IS Quiescent Supply Current
All Bridges OFF;
Tj = -25°C to 125°C (7)
Tj(OFF) Thermal Shutdown Temperature
Output DMOS Transistors
RDS(ON) High-Side Switch ON Resistance Tj = 25 °C
Tj =125 °C (7)
Low-Side Switch ON Resistance Tj = 25 °C
Tj =125 °C (7)
IDSS Leakage Current
EN = Low; OUT = VS
EN = Low; OUT = GND
Source Drain Diodes
VSD Forward ON Voltage
ISD = 2.8A, EN = LOW
trr Reverse Recovery Time
If = 2.8A
tfr Forward Recovery Time
Logic Input
VIL Low level logic input voltage
VIH High level logic input voltage
IIL Low Level Logic Input Current GND Logic Input Voltage
IIH High Level Logic Input Current 7V Logic Input Voltage
Vth(ON) Turn-on Input Threshold
Vth(OFF) Turn-off Input Threshold
Vth(HYS) Input Threshold Hysteresis
Switching Characteristics
tD(on)EN Enable to out turn ON delay time (8) ILOAD =2.8A, Resistive Load
tD(on)IN Input to out turn ON delay time ILOAD =2.8A, Resistive Load
(dead time included)
tRISE Output rise time(8)
ILOAD =2.8A, Resistive Load
tD(off)EN Enable to out turn OFF delay time (8) ILOAD =2.8A, Resistive Load
L6205
Min Typ Max Unit
6.6 7 7.4 V
5.6 6 6.4 V
5 10 mA
165 °C
-0.15
0.34
0.53
0.28
0.47
0.4
0.59
0.34
0.53
2
Ω
Ω
Ω
Ω
mA
mA
1.15 1.3
300
200
V
ns
ns
-0.3 0.8 V
2 7V
-10 µA
10 µA
1.8 2.0
V
0.8 1.3
V
0.25 0.5
V
100 250 400
1.6
ns
µs
40 250
300 550 800
ns
ns
5/21
5 Page 
Figure 9. tDISABLE versus CEN and REN (VDD = 5V).
1 .103
REN = 220 kΩ
100
L6205
REN = 100 kΩ
REN = 47 kΩ
REN = 33 kΩ
REN = 10 kΩ
10
1
1 10
C EN [nF]
Figure 10. tDELAY versus CEN (VDD = 5V).
10
100
1
0.1
1
10
Cen [nF]
100
THERMAL PROTECTION
In addition to the Ovecurrent Protection, the L6205 integrates a Thermal Protection for preventing the device
destruction in case of junction over temperature. It works sensing the die temperature by means of a sensible
element integrated in the die. The device switch-off when the junction temperature reaches 165°C (typ. value)
with 15°C hysteresis (typ. value).
11/21
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet L6205PD.PDF ] | |
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