|
|
Teilenummer | L6226D |
|
Beschreibung | DMOS DUAL FULL BRIDGE DRIVER | |
Hersteller | STMicroelectronics | |
Logo | ||
Gesamt 22 Seiten L6226
DMOS DUAL FULL BRIDGE DRIVER
s OPERATING SUPPLY VOLTAGE FROM 8 TO 52V
s 2.8A OUTPUT PEAK CURRENT (1.4A DC)
s RDS(ON) 0.73Ω TYP. VALUE @ Tj = 25 °C
s OPERATING FREQUENCY UP TO 100KHz
s PROGRAMMABLE HIGH SIDE OVERCURRENT
DETECTION AND PROTECTION
s DIAGNOSTIC OUTPUT
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 L6226 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:
L6226N (PowerDIP24)
L6226PD (PowerSO36)
L6226D (SO24)
BCD technology, which combines isolated DMOS
Power Transistors with CMOS and bipolar circuits on
the same chip. Available in PowerDIP24 (20+2+2),
PowerSO36 and SO24 (20+2+2) packages, the
L6226 features thermal shutdown and a non-dissipa-
tive overcurrent detection on the high side Power
MOSFETs plus a diagnostic output that can be easily
used to implement the overcurrent protection.
VBOOT
VCP
PROGCLA
OCDA
VBOOT
CHARGE
PUMP
OCDA
ENA
IN1A
IN2A
OCDB
PROGCLB
ENB
IN1B
IN2B
THERMAL
PROTECTION
VOLTAGE
REGULATOR
10V
5V
OCDB
September 2003
OVER
CURRENT
DETECTION
GATE
LOGIC
OVER
CURRENT
DETECTION
GATE
LOGIC
VBOOT
10V
VBOOT
VSA
OUT1A
OUT2A
10V
SENSEA
BRIDGE A
BRIDGE B
D99IN1088A
VSB
OUT1B
OUT2B
SENSEB
1/22
L6226
ELECTRICAL CHARACTERISTICS (continued)
(Tamb = 25 °C, Vs = 48V, unless otherwise specified)
Symbol
Parameter
Test Conditions
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 =1.4A, Resistive Load
tD(on)IN Input to out turn ON delay time ILOAD =1.4A, Resistive Load
(dead time included)
tRISE Output rise time(8)
ILOAD =1.4A, Resistive Load
tD(off)EN Enable to out turn OFF delay time (8) ILOAD =1.4A, Resistive Load
tD(off)IN Input to out turn OFF delay time ILOAD =1.4A, Resistive Load
tFALL Output Fall Time (8)
ILOAD =1.4A, Resistive Load
tdt Dead Time Protection
fCP Charge pump frequency
-25°C<Tj <125°C
Over Current Detection
Is over Input Supply Over Current
DetectionThreshold
-25°C<Tj <125 °C; RCL= 39 kΩ
-25°C<Tj <125 °C; RCL= 5 kΩ
-25°C<Tj <125 °C; RCL= GND
ROPDR Open Drain ON Resistance
I = 4mA
tOCD(ON) OCD Turn-on Delay Time (8)
I = 4mA; CEN < 100pF
tOCD(OFF) OCD Turn-off Delay Time (8)
I = 4mA; CEN < 100pF
(6) Tested at 25°C in a restricted range and guaranteed by characterization.
(7) See Fig. 1.
(8) See Fig. 2.
Min Typ Max Unit
0.8 1.3
V
0.25 0.5
V
500 800 ns
1.9 µs
40 250 ns
500 800 1000 ns
500 800 1000 ns
40 250 ns
0.5 1
0.6
µs
1 MHz
-10%
-10%
-30%
0.29
2.21
2.8
40
200
100
+10%
+10%
+30%
60
A
A
A
Ω
ns
ns
6/22
6 Page L6226
Figure 11. tDELAY versus CEN (VDD = 5V).
10
1
0.1
1
10
Cen [nF]
100
THERMAL PROTECTION
In addition to the Ovecurrent Detection, the L6226 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).
12/22
12 Page | ||
Seiten | Gesamt 22 Seiten | |
PDF Download | [ L6226D Schematic.PDF ] |
Teilenummer | Beschreibung | Hersteller |
L6226 | DMOS DUAL FULL BRIDGE DRIVER | STMicroelectronics |
L6226D | DMOS DUAL FULL BRIDGE DRIVER | STMicroelectronics |
L6226N | DMOS DUAL FULL BRIDGE DRIVER | STMicroelectronics |
L6226PD | DMOS DUAL FULL BRIDGE DRIVER | STMicroelectronics |
L6226Q | DMOS dual full bridge driver | STMicroelectronics |
Teilenummer | Beschreibung | Hersteller |
CD40175BC | Hex D-Type Flip-Flop / Quad D-Type Flip-Flop. |
Fairchild Semiconductor |
KTD1146 | EPITAXIAL PLANAR NPN TRANSISTOR. |
KEC |
www.Datenblatt-PDF.com | 2020 | Kontakt | Suche |