Anterwell Technology Ltd.
Anterwell Technology Ltd.
Large Original stock of IC Electronics Components, Transistors, Diodes etc.
High Quality, Reasonable Price, Fast Delivery.
Anterwell Technology Ltd.
Large Original stock of IC Electronics Components, Transistors, Diodes etc.
High Quality, Reasonable Price, Fast Delivery.
Product Details:
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| Supply Voltage: | 60 V | Bootstrap Peak Voltage: | VS + 10 V |
|---|---|---|---|
| Input And Enable Voltage Range: | -0.3 To +7 V | Voltage Range At Pins VREFA And VREFB: | -0.3 To +7 V |
| Voltage Range At Pins SENSEA And SENSEB: | -1 To +4 V | Pulsed Supply Current: | 3.55 A |
| RMS Supply Current (for Each VS Pin): | 1.4 A | Storage And Operating Temperature Range: | -40 To 150 °C |
| High Light: | electronics ic chip,integrated circuit components |
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DMOS DRIVER FOR BIPOLAR STEPPER MOTOR
■ OPERATING SUPPLY VOLTAGE FROM 8 TO 52V
■ 2.8A OUTPUT PEAK CURRENT (1.4A RMS)
■ RDS(ON) 0.73Ω TYP. VALUE @ Tj = 25°C
■ OPERATING FREQUENCY UP TO 100KHz
■ NON DISSIPATIVE OVERCURRENT PROTECTION
■ DUAL INDEPENDENT CONSTANT tOFF PWM CURRENT CONTROLLERS
■ FAST/SLOW DECAY MODE SELECTION
■ FAST DECAY QUASI-SYNCHRONOUS RECTIFICATION
■ DECODING LOGIC FOR STEPPER MOTOR FULL AND HALF STEP DRIVE
■ CROSS CONDUCTION PROTECTION
■ THERMAL SHUTDOWN
■ UNDER VOLTAGE LOCKOUT
■ INTEGRATED FAST FREE WHEELING DIODES
TYPICAL APPLICATIONS
■ BIPOLAR STEPPER MOTOR
DESCRIPTION
The L6228 is a DMOS Fully Integrated Stepper Motor Driver with non-dissipative Overcurrent Protection, realized in MultiPower-BCD technology, which combines isolated DMOS Power Transistors with CMOS and bipolar circuits on the same chip. The device includes all the circuitry needed to drive a two-phase bipolar stepper motor including: a dual DMOS Full Bridge, the constant off time PWM Current Controller that performs the chopping regulation and the Phase Sequence Generator, that generates the stepping sequence. Available in PowerDIP24 (20+2+2), PowerSO36 and SO24 (20+2+2) packages, the L6228 features a non-dissipative overcurrent protection on the high side Power MOSFETs and thermal shutdown.
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
| Symbol | Parameter | Test conditions | Value | Unit |
| VS | Supply Voltage | VSA = VSB = VS | 60 | V |
| VOD |
Differential Voltage between VSA, OUT1A, OUT2A, SENSEA and VSB, OUT1B, OUT2B, SENSEB |
VSA = VSB = VS = 60V; VSENSEA = VSENSEB = GND |
60 | V |
| VBOOT | Bootstrap Peak Voltage | VSA = VSB = VS | VS + 10 | V |
| VIN,VEN | Input and Enable Voltage Range | -0.3 to +7 | V | |
|
VREFA, VREFB |
Voltage Range at pins VREFA and VREFB | -0.3 to +7 | V | |
|
VRCA, VRCB |
Voltage Range at pins RCA and RCB | -0.3 to +7 | V | |
|
VSENSEA, VSENSEB |
Voltage Range at pins SENSEA and SENSEB | -1 to +4 | V | |
| IS(peak) | Pulsed Supply Current (for each VS pin), internally limited by the overcurrent protection |
VSA = VSB = VS; tPULSE < 1ms |
3.55 | A |
| IS | RMS Supply Current (for each VS pin) | VSA = VSB = VS | 1.4 | A |
|
Tstg, TOP |
Storage and Operating Temperature Range | -40 to 150 | °C |
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