Details, datasheet, quote on part number: L6208D
PartL6208D
CategoryPower Management => Motor Controller/Drivers => Power Controllers & Motor Drivers
TitlePower Controllers & Motor Drivers
DescriptionDmos Driver For Bipolar Stepper Motor
CompanyST Microelectronics, Inc.
DatasheetDownload L6208D datasheet
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Features, Applications

OPERATING SUPPLY VOLTAGE FROM 52V 5.6A OUTPUT PEAK CURRENT (2.8A RMS) RDS(ON) 0.3 TYP. VALUE = 25C OPERATING FREQUENCY 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 s BIPOLAR STEPPER MOTOR DESCRIPTION The is a DMOS Fully Integrated Stepper Motor Driver with non-dissipative Overcurrent Protection, realized in MultiPower-BCD technology, which comBLOCK DIAGRAM

bines 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 (20+2+2), PowerSO36 and SO24 (20+2+2) packages, the L6208 features a non-dissipative overcurrent protection on the high side Power MOSFETs and thermal shutdown.

VBOOT CHARGE PUMP OCDA OCDB OVER CURRENT DETECTION 10V
HALF/FULL CLOCK RESET CW/CCW STEPPING SEQUENCE GENERATION ONE SHOT MONOSTABLE
PWM MASKING TIME + SENSE COMPARATOR BRIDGE A OVER CURRENT DETECTION GATE LOGIC BRIDGE B

Symbol VS VOD Parameter Supply Voltage Differential Voltage between VSA, OUT1A, OUT2A, SENSEA and VSB, OUT1B, OUT2B, SENSEB Bootstrap Peak Voltage Input and Enable Voltage Range Voltage Range at pins VREFA and VREFB Test conditions VSA = VSB = VS VSA = VSB = 60V; VSENSEA = VSENSEB = GND VSA = VSB = VS Value 60 Unit V

VRCA, VRCB Voltage Range at pins RCA and RCB VSENSEA, VSENSEB IS(peak) Voltage Range at pins SENSEA and SENSEB Pulsed Supply Current (for each VS pin), internally limited by the overcurrent protection RMS Supply Current (for each VS pin) Storage and Operating Temperature Range VSA = VSB = VS; tPULSE < 1ms VSA = VSB = VS

Symbol VS VOD Parameter Supply Voltage Differential Voltage Between VSA, OUT1A, OUT2A, SENSEA and VSB, OUT1B, OUT2B, SENSEB Voltage Range at pins VREFA and VREFB Voltage Range at pins SENSEA and SENSEB RMS Output Current Operating Junction Temperature Switching Frequency -25 (pulsed tW < trr) (DC) Test Conditions VSA = VSB = VS VSA = VSB = VS; VSENSEA = VSENSEB -6 -1 MIN 8 MAX 52 Unit V

Description Maximum Thermal Resistance Junction-Pins Maximum Thermal Resistance Junction-Case Maximum Thermal Resistance Junction-Ambient

Maximum Thermal Resistance Junction-Ambient (2) Maximum Thermal Resistance Junction-Ambient (3) Maximum Thermal Resistance Junction-Ambient (4)

Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the bottom side of 6cm2 (with a thickness of 35m). Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the top side of 6cm2 (with a thickness of 35m). Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the top side of 6cm2 (with a thickness 35m), 16 via holes and a ground layer. Mounted on a multi-layer FR4 PCB without any heat sinking surface on the board.

GND N.C. VSB OUT2B N.C. VBOOT EN CONTROL HALF/FULL VREFB SENSEB RCB N.C. OUT1B N.C. GND
CLOCK CW/CCW SENSEA RCA OUT1A GND OUT1B RCB SENSEB VREFB HALF/FULL
N.C. VSA OUT2A N.C. VCP RESET VREFA CLOCK CW/CCW SENSEA RCA N.C. OUT1A N.C. GND
The slug is internally connected to pins 1,18,19 and 36 (GND pins).

 

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