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MC33931VW Datasheet(PDF) 3 Page - Freescale Semiconductor, Inc |
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MC33931VW Datasheet(HTML) 3 Page - Freescale Semiconductor, Inc |
3 / 26 page Analog Integrated Circuit Device Data Freescale Semiconductor 3 33931 PIN CONNECTIONS PIN CONNECTIONS Tab Tab 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 D1 FB EN/D2 VPWR VPWR VPWR OUT1 OUT1 PGND PGND SF IN1 IN2 CCP VPWR VPWR OUT2 OUT2 OUT2 PGND PGND 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 N/C N/C N/C N/C N/C N/C N/C N/C N/C N/C N/C N/C N/C N/C N/C N/C N/C N/C N/C N/C N/C AGND 44 HSOP Transparent Top View 32 SOICW-EP Transparent Top View 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 D1 FB EN/D2 VPWR VPWR VPWR OUT1 OUT1 OUT1 PGND PGND N/C N/C N/C N/C N/C N/C N/C N/C N/C N/C N/C SF IN1 IN2 CCP VPWR OUT2 OUT2 PGND PGND 32 31 30 29 28 27 26 25 24 23 N/C N/C AGND Figure 3. 33931 Pin Connections Table 1. 33931 Pin Definitions A functional description of each pin can be found in the Functional Description section beginning on page 11. Pin HSOP (VW) Pin SOICW-EP (EK) Pin Name Pin Function Formal Name Definition 1 2 D1 Logic Input Disable Input 1 (Active High) When D1 is logic HIGH, both OUT1 and OUT2 are tri-stated. Schmitt trigger input with ~80 μA source so default condition = disabled. 2 3 FB Analog Output Feedback The load current feedback output provides ground referenced 0.24% of the high side output current. (Tie to GND through a resistor if not used.) 3 5 EN/D2 Logic Input Enable Input When EN/D2 is logic HIGH the H-bridge is operational. When EN/ D2 is logic LOW, the H-bridge outputs are tri-stated and placed in Sleep mode. (logic input with ~80 μA sink so default condition = Sleep mode.) 4-6, 40, 39 7, 8, 25, 26 VPWR Power Input Positive Power Supply These pins must be connected together physically as close as possible and directly soldered down to a wide, thick, low resistance supply plane on the PCB. 7-9 10, 11 OUT1 Power Output H-bridge Output 1 Source of HS1 and drain of LS1. 10, 11, 34, 35 15-18 PGND Power Ground Power Ground High-current power ground pins must be connected together physically as close as possible and directly soldered down to a wide, thick, low resistance ground plane on the PCB. 36-38 22, 23 OUT2 Power Output H-bridge Output 2 Source of HS2 and drain of LS2. |
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