L6219R013TR STMicroelectronics, L6219R013TR Datasheet
L6219R013TR
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L6219R013TR Summary of contents
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... Table 1. Device summary Part number L6219R L6219R013TR (1) E-L6219R (1) E-L6219R013TR 1. Lead free package (ECOPACK®) see September 2008 A cross conduction protection is provided to avoid simultaneous cross conduction during switching current direction. An internal pulse-width-modulation (PWM) controls the output current to 500mA with peak start-up current Wide range of current ...
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Table of contents Table of contents 1 Block diagram and pins description . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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L6219R List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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List of figures List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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L6219R 1 Block diagram and pins description Figure 1. Block diagram Figure 2. Pin connection (top view) Block diagram and pins description 5/16 ...
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Block diagram and pins description Table 2. Pin description Pin # Name 1,2 Output A 3,23 Sense resistor Comparator 4,22 input 5,21 Output B 6,19 Ground 7,18 Ground 8,20 Input 0 9,17 Input 1 10,16 Phase Reference 11,15 voltage 12,14 ...
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L6219R 2 Electrical specifications 2.1 Absolute maximum ratings Table 3. Absolute maximum ratings Symbol V Supply voltage S I Output current (peak Output current (continuous Logic supply voltage SS V Logic input voltage range IN V ...
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Electrical specifications 2.3 Electrical characteristics . Table 5. Electrical characteristics ( ° 4 See Figure 5. Symbol Parameter OUTPUT DRIVERS (OUT or OUT A V Motor supply range S I Output leakage ...
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L6219R Figure 3. Windings of a bipolar stepper motor Electrical specifications 9/16 ...
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Functional description 3 Functional description The circuit is intended to drive both windings of a bipolar stepper motor. The peak current control is generated through switch mode regulation.There is a choice of three different current levels with the two logic ...
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L6219R 3.4 Single-pulse generator The pulse generator is a monostable triggered on the positive going edge of the comparator output. The monostable output is high during the pulse time, toff , which is determined by the time components R The ...
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Application informations 4 Application informations Some stepper motors are not designed for contin-uous operation at maximum current. As the circuit drives a constant current through the motor, its temperature might increase exceedingly both at low and high speed operation. Also, ...
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L6219R 4.1 Electrical characteristics curves Figure 6. Maximum output current vs. supply voltage (DAC=100%) 600 500 400 300 200 100 (V) Figure 8. Maximum output current vs. reference voltage (DAC=100%) 600 500 400 300 ...
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Package informations 5 Package informations In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a Lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the ...
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L6219R 6 Revision history Table 7. Document revision history Date 09-Jan-2003 06-May-2005 22-Jun-2006 05-Sep-2008 Revision 1 First Issue 2 Modified Table 2 on page Changed look anf fill. 3 Changed value of the Output Current (continuous) in Changed the curve ...
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