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L6258EXTR Datasheet(PDF) 6 Page - STMicroelectronics |
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L6258EXTR Datasheet(HTML) 6 Page - STMicroelectronics |
6 / 32 page Block diagram L6258EX 6/32 Figure 2. Pin connection (top view) Table 3. Pin functions Pin # Name Description 1, 36 PWR_GND Ground connection (1). They also conduct heat from die to printed circuit copper. 2, 17 PH_1, PH_2 These TTL compatible logic inputs set the direction of current flow through the load. A high level causes current to flow from OUTPUT A to OUTPUT B. 3I1_1 Logic input of the internal DAC (1). The output voltage of the DAC is a percentage of the Vref voltage applied according to the thruth Table 5 on page 12. 4I0_1 See pin 3 5 OUT1A Bridge output connection (1) 6 DISABLE Disables the bridges for additional safety during switching. When not connected the bridges are enabled 7TRI_cap Triangular wave generation circuit capacitor. The value of this capacitor defines the output switching frequency PWR_GND PH_2 EA_IN2 EA_OUT2 DISABLE EA_OUT1 OUT1A EA_IN1 PH_1 SENSE1 OUT1B I3_1 VS I2_1 I3_2 OUT2B SENSE2 PWR_GND 18 16 17 15 6 5 4 3 2 21 22 31 32 33 35 34 36 20 1 19 PWR_GND PWR_GND D96IN432E GND TRI_CAP VCC I0_1 VREF1 I1_1 9 8 7 28 29 30 VCP1 SIG_GND 10 27 OUT2A VCP2 VBOOT VREF2 I2_2 I0_2 14 12 11 23 25 26 VS I1_2 13 24 |
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