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L7250 Datasheet(PDF) 3 Page - STMicroelectronics |
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L7250 Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 46 page 3/46 L7250 13 25_BASE O5 Reg 1.8V ext NPN base 14 25_FEED I5 Reg 1.8V feedback 15 33_BASE O5 Reg 3.3V ext NPN base 16 33_FEED IO5 Reg 3.3 V feedback 17 CPOR IO5 POR delay capacitor 18 NPOR O5 POR output signal 19 CBRAKE IO5 Spindle brake capacitor 20 AGND gnd analog gnd 21 VREF25 IO5 2.5V reference 22 ZC O5 Spindle zero crossing 23 Skin I5 Shock sensor input 24 Skout O5 Shock sensor 1st opamp output 25 SkFin I5 Shock sensor filter input 26 SkFout O5 Shock sensor filter output 27 SkDout O5 Shock sensor output 28 Timer1 IO5 Timer 1 for unload procedure 29 CalCoarse I5 VCM BEMF coarse calibration 30 ADaux I5 auxiliary input for the ADC 31 VCMBEMF O5 VCM BEMF processor output 32 Test IO5 used for testing porpouse (*) 33 SEN I5 Serial enable 34 SDATA IO5 Serial data 35 SYSClk I5 System clock 36 SCLK I5 Serial clock 37 DAC_OUT O5 VCM DAC output 38 ERR_IN I5 VCM error opamp input 39 ERR_OUT O5 VCM error opamp output 40 SNS_OUT O5 VCM sense opamp output 41 SNS_P I12 VCM sense opamp positive input 42 SNS_N I12 VCM sense opamp negative input 43 VCMGND3 gnd VCM power ground PIN DESCRIPTION (continued) N° Pin V Description |
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Similar Description - L7250 |
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