L6219 STMicroelectronics, L6219 Datasheet
L6219
Specifications of L6219
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L6219 Summary of contents
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... DC motors. The L6219 with a few external components form a complete control and drive circuit for LS-TTL or microprocessor controlled stepper motor system. The power stage is a dual full bridge capable of sustaining 46V and including four diodes for current recirculation ...
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... Contents Contents 1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.1 Input logic (I0 and I1 2.2 Phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.3 Current sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.4 Single-pulse generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.5 Output stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.6 VS, VSS, VRef . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 3 Application informations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2/16 L6219 ...
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... L6219 List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Table 2. Absolute maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Table 3. Pin functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Table 4. Thermal data Table 5. Electrical characteristcs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 6. Current levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Table 7. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 List of tables 3/16 ...
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... List of figures List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 2. SO24/PDIP24 pins connection (top view Figure 3. Timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 4. Principle operating sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Figure 5. Typical application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Figure 6. SO24 mechanical data and package dimensions Figure 7. PDIP24 mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 4/16 L6219 ...
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... L6219 1 Block diagram Figure 1. Block diagram Table 2. Absolute maximum rating Parameter sense stg Description Supply voltage Output current (peak) Output current (continuous) Logic supply voltage Logic input voltage range Sense output voltage Junction temperature Operating temperature range Storage temperature range Block diagram ...
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... Input 0 See Input 1 (pins 9, 17) These pins and pins 8, 20 (input 0) are logic inputs which select the outputs of the comparators to set the current Input 1 level. Current also depends on the sensing resistor and reference voltage. See functional description L6219 Description ...
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... L6219 Table 3. Pin functions (continued) Pin # 10, 16 11 Note: ESD on GND model, 1500 W, 100 pF). Figure 3. Timing diagram Table 4. Thermal data Parameter R Thermal resistance junction-case thj-case R Thermal resistance junction-ambient thj-amb 1. With minimized copper area. Name This TTL-compatible logic inputs sets the direction of current flow through the load ...
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... OUT = < 750 2 2 < (1) 1 0 0 2 820 170 = 2 V and DAC = 67% the REF L6219 Max. Unit 46 V μA 50 μA -50 0 1.4 V 1.6 V μA 50 1 0.8 V μA 20 μA -200 7 10.5 - 16.5 - 34.5 - μs μs - °C ...
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... L6219 2 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 inputs I01 - I11 for winding 1 and I02 - I12 for winding 2 ...
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... The source transistors are used to switch the power supplied to the motor winding, thus driving a constant current through the winding. It should be noted however, that is not permitted to short circuit the outputs. 10/ 1.1 · off new trigger signal should occur during t off L6219 , it is ignored. off ...
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... L6219 Internal circuitry is added in order to increase the accuracy of the motor current particularly with low current levels. 2 Ref The circuit will stand any order of turn-on or turn-off the supply voltages V dV/dt values are then assumed. Preferably, V should be tracking V Ref during power-on and power-off if V ...
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... The ground lead between Rs, and circuit GND should be kept as short as possible. A typical application circuit is shown in similar else. To sense the winding current, paralleled metal film resistors are recommended ( Figure 5. Typical application circuit 12/16 Figure 5. Note that C must be NPO type or t L6219 ...
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... L6219 4 Package information 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 inner box label, in compliance with JEDEC standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label ...
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... OUTLINE AND MECHANICAL DATA PDIP 24 (0.300" SDIP24L 0034965 D L6219 ...
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... L6219 5 Revision history Table 7. Document revision history Date 30-Oct-2001 11-May-2005 14-Sep-2005 19-Dec-2005 28-Mar-2006 18-Mar-2008 01-Sep-2008 Revision 7 First Issue on the EDOCS DMS. Changed the look & feel layout. 8 Modified Table 6 on page Change in the Features Wide voltage range Output current up to 750 mA each winding. ...
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