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The L6208 is a DMOS Fully Integrated Stepper Motor Driver with non-dissipative Overcurrent Protection, realized in MultiPower-BCD technology, which com- bines isolated DMOS Power Transistors with CMOS and bipolar circuits on the same chip. The device in- cludes 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 L6208 features a non-dissipative overcurrent protec- tion on the high side Power MOSFETs and thermal shutdown.
L6208 Maximum Ratings
Symbol
Parameter
Test conditions
Value
Unit
VS
Supply Voltage
VSA = VSB = VS
60
V
VOD
Differential Voltage between VSA, OUT1A, OUT2A, SENSEAand 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