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L6751CTR Datasheet(PDF) 8 Page - STMicroelectronics |
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L6751CTR Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 57 page Pin description and connection diagrams L6751C 8/57 DocID025037 Rev 1 2 Pin description and connection diagrams Figure 3. L6751C pin connections (left: top view - right: bottom view) 2.1 Pin description L6751 D1 A1 B1 A2 B2 A3 B3 A4 B4 A5 B5 A6 B6 A7 B7 A8 B8 A9 A27 B24 A26 B23 A25 B22 A24 B21 A23 B20 A22 B19 A21 B18 A20 B17 A19 D2 D3 D4 PWM3 PWM2 PWM1 PHASE NC VR_RDY GND CS6N CS6P CS5P CS5N CS4N CS4P CS3P CS3N CS2N CS2P CS1P CS1N BOOT / TMAX SVDATA ALERT# SVCLK EN NC VIN OSC STCOMP STM ADDR NC SMCLK SMAL# SMDATA GND IMAX/SIMAX SCOMP VCC5 L6751 A9 B8 D2 A10 B9 B16 A18 D3 A19 B17 B24 A27 D4 A28 B25 B32 A36 D1 A1 B1 AM14811v1 L6751C Table 2. Pin description Pin no. Name Type Function D1 PWM3 D(1) PWM output. Connect to multi-phase channel 3 external driver PWM input. During normal operation the device is able to manage Hi-Z status by setting and holding the PWMx pin to a fixed predefined voltage. See Table 7 on page 20 for phase number programming. A1 PWM2 D PWM output. Connect to multi-phase external drivers PWM input. These pins are also used to configure Hi-Z levels for compatibility with drivers and DrMOS. During normal operation the device is able to manage Hi-Z status by setting and holding the PWMx pin to the predefined fixed voltage. B1 PWM1 D A2 PHASE A Connect through resistor divider to multi-phase channel1 switching node. B2 NC - Not internally bonded. A3 VR_RDY D VR Ready. Open drain output set free after SS has finished in multi-phase section and pulled low when triggering any protection on multi-phase section. Pull up to a voltage lower than 3.3 V (typ.), if not used it can be left floating. B3 GND A GND connection. All internal references and logic are referenced to this pin. Filter to VCC5 with proper MLCC capacitor and connect to the PCB GND plane. |
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