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MC34932EK 数据表(PDF) 3 Page - Freescale Semiconductor, Inc |
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MC34932EK 数据表(HTML) 3 Page - Freescale Semiconductor, Inc |
3 / 24 page Analog Integrated Circuit Device Data Freescale Semiconductor 3 34932 PIN CONNECTIONS PIN CONNECTIONS Figure 3. 34932 Pin Connections A functional description of each pin can be found in the Functional Description section beginning on Functional Description. Table 1. 34932 Pin Definitions Pin Number Pin Name Pin Function Formal Name Definition 3 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. 4 FBA Analog Output Feedback H-Bridge A load current feedback output provides ground referenced 0.24% of the high side output current. (Tie to GND through a resistor if not used.) 5 EN/D2 Logic Input Enable Input When EN/D2 is logic HIGH, H-Bridge A is operational. When EN/D2 is logic LOW, the H-Bridge A outputs are tri-stated and H-Bridge A is placed in Sleep Mode. (logic input with ~80 μA sink so default condition = Sleep Mode.) 1, 9, 46, 53 VPWRA 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. 10, 11 OUT1 Power Output H-Bridge Output 1 H-Bridge A source of HS1 and drain LS1. 12, 13, 42, 43 PGNDA 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. PGNDA should be connected to PGNDB with a low- impedance path. D1 FBA EN/D2 VPWRA VPWRA OUT1 OUT1 PGNDA PGNDA SFB IN3 IN4 CCPB VPWRB OUT4 OUT4 PGNDB PGNDB SFA IN1 IN2 CCPA VPWRA VPWRA OUT2 OUT2 PGNDA PGNDA D3 FBB EN/D4 VPWRB VPWRB VPWRB OUT3 OUT3 PGNDB PGNDB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 NC NC NC NC NC NC NC NC NC NC NC NC NC NC AGNDA AGNDB 54 SOICW-EP Transparent Top View |
类似零件编号 - MC34932EK |
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类似说明 - MC34932EK |
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