L6219DSA STMicroelectronics, L6219DSA Datasheet
L6219DSA
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L6219DSA Summary of contents
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... Designed for unstabilized motor supply voltage ■ Internal thermal shutdown Description The L6219DSA is a bipolar monolithic integrated circuits intended to control and drive both winding of a bipolar stepper motor or bidirectionally control two DC motors. The L6219DSA with a few external components form a complete control and drive circuit for LS- TTL or microprocessor controlled stepper motor system ...
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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 information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2/15 L6219DSA ...
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... L6219DSA 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 List of tables 3/15 ...
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... List of figures List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 2. SO24 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 4/15 L6219DSA ...
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... L6219DSA 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 L6219DSA Description 1 See ...
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... L6219DSA 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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... F =750 2 2 < (1) 1 0 0 2 820 170 = 2 V and DAC = 67% the REF L6219DSA Max. Unit 46 V μA 200 μA 0.75 V 1.15 V 1.6 V 1.8 V 1 0.8 V μA 20 μA -200 7 10.5 - 16.5 - 34.5 - μs - μ °C ...
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... L6219DSA 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 I winding 2. The current can also be switched off completely. ...
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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. 10/15 and 1.1 · R off . If a new trigger signal should occur during t off ignored. off L6219DSA ...
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... L6219DSA 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 R 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 12/15 , and circuit GND should be kept as short as s Figure 5. Note that C must be NPO type or t L6219DSA ...
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... L6219DSA 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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... Revision history 5 Revision history Table 7. Document revision history Date 12-Nov-1998 29-Apr-2008 05-Sep-2008 14/15 Revision 1 First Issue 2 Document reformatted. 3 Added note 1 in Table 5 on page L6219DSA Changes 8. ...
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... L6219DSA Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...