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SGS Thomson Microelectronics
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| Part No. |
AN380
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| OCR Text |
...pplication note 4/16
when the principle behind the circuit shown in fig- ure 8 is transferred to a switchmode circuit (figure 9), a considerable degree of complexity is called for to reduce power loss. for this reason the cir- cuit is sho... |
| Description |
HOW TO DRIVE DC MOTORS WITH SMART POWER ICS
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| File Size |
152.40K /
16 Page |
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Zarlink Semiconductor Inc.
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| Part No. |
MT8941B MT8941BP MT8941BPR1 MT8941BP1
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| OCR Text |
...two dplls, although similar in principle, oper ate independently to provide t1 (1.544 mhz) and cept (2.048 mhz) transmi ssion clocks and st-bus timing signals. the principle of operation behind the tw o dplls is shown in figure 3. a mast e... |
| Description |
Advanced T1/CEPT Digital Trunk PLL
Round Conductor Flat Cable, 3849/96 30 AWG, .033 (0.85)
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| File Size |
484.51K /
27 Page |
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it Online |
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SGS Thomson Microelectronics
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| Part No. |
AN235
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| OCR Text |
...on using the switch-transformer principle, as shown in fig. 8. the phase winding is switched to the supply voltage until the current, detected across r s , rea- ches the desired nominal value. at that moment the switch, formerly connected t... |
| Description |
STEPPER MOTOR DRIVING
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| File Size |
160.91K /
17 Page |
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it Online |
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SGS Thomson Microelectronics
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| Part No. |
AN1461
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| OCR Text |
.... . . . . . . . . . . . . . .5
principle ............................................................................................................................... 5 Event detection ....................................................... |
| Description |
IMPROVED ESD IMMUNITY AGAINST INTERRUPTS LOCK-UP
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| File Size |
78.21K /
12 Page |
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it Online |
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SGS Thomson Microelectronics
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| Part No. |
AN1113
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| OCR Text |
...Fig.3 shows the basic operating principle of this drive. The name "six-steps" arises from the finite time-steps in which the whole period can be shared. During each time step, current direction does not change whereas current amplitude can ... |
| Description |
BRUSHLESS MOTOR FUZZY CONTROL BY USING ST52X301
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| File Size |
206.18K /
18 Page |
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it Online |
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ST Microelectronics
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| Part No. |
AN1327
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| OCR Text |
...Fig.3 shows the basic operating principle of this drive. Figure 3. Drive basic operating principle
+Vbus
V/I
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half rotor turn (360 electrical)
Vbatt
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60 .
V An
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ZCa
. t
T1 A Vbatt
T2
T3 Ph1... |
| Description |
BRUSHLESS DC MOTOR: SENSORLESS FUZZY CONTROL BY ST52X420
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| File Size |
374.43K /
19 Page |
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it Online |
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SGS Thomson Microelectronics
ST Microelectronics
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| Part No. |
AN1321
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| OCR Text |
...f the sensors during the 6-Step principle used to drive the motor and for the transition between each of the steps. Figure 1 shows how to connect the 3 sensors to an oscilloscope in order to observe their behaviour. Figure 1. Oscilloscope S... |
| Description |
ST7 - USING THE ST72141 MOTOR CONTROL MCU IN SENSOR MODE
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| File Size |
88.03K /
17 Page |
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SGS Thomson Microelectronics
ST Microelectronics
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| Part No. |
AN1305
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| OCR Text |
...on Figure 1 shows the operating principle. The dual operational amplifier TS922A (U2A and U2B) is powered by the 5V coming from the TD340. The TS922A is a rail to rail device with a low input offset voltage (0.9mV max.) and is well suited f... |
| Description |
CURRENT MEASUREMENT AND LIMITATION IN TD340 BASED MOTOR CONTROL SYSTEMS
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| File Size |
55.80K /
6 Page |
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it Online |
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