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L9958SB Datasheet(PDF) 9 Page - STMicroelectronics |
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L9958SB Datasheet(HTML) 9 Page - STMicroelectronics |
9 / 38 page L9958 Pins description Doc ID 17269 Rev 5 9/38 2.3 PowerSSO24 Although this package has two separate pins for the ground (pin11 = PGND = Power Ground and pin22 = GND = Logic Ground), the device is designed to work with shortening ground and is mandatory that the two pins have to be connected nearby the IC on the PCB. The exposed slug must be soldered on the PCB and connected to GND. Figure 4. PowerSSO24 pin connection (top view) Table 4. PowerSSO24 pin function Pin Nº Name Description 1, 2, 12, 13, 14, 23, 24 N.C. Not Connected 3SO Serial Out 4 VDDIO Supply Voltage for SPI 5CS Chip Select 6 CP Supply Voltage for SPI 7 VS Supply Voltage 8 DIR Direction Input 9OUT1 Output 1 10 DI Disable 11 PGND Power Ground 15 EN Enable 16 OUT2 Output 2 17 PWM PWM Input 18 REXT External Reference Resistor 19 SI Serial In 20 SCK SPI Clock 21 VDD Supply Voltage 22 GND Ground |
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