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L6229DTR Datasheet(PDF) 4 Page - STMicroelectronics |
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L6229DTR Datasheet(HTML) 4 Page - STMicroelectronics |
4 / 25 page L6229 4/25 Figure 3. Pin Connections (Top view) (5) The slug is internally connected to pins 1, 18, 19 and 36 (GND pins). Table 5. Pin Description PACKAGE Name Type Function SO24/ PowerDIP24 PowerSO36 PIN # PIN # 110 H1 Sensor Input Single Ended Hall Effect Sensor Input 1. 2 11 DIAG Open Drain Output Overcurrent Detection and Thermal Protection pin. An internal open drain transistor pulls to GND when an overcurrent on one of the High Side MOSFETs is detected or during Thermal Protection. 3 12 SENSEA Power Supply Half Bridge 1 and Half Bridge 2 Source Pin. This pin must be connected together with pin SENSEB to Power Ground through a sensing power resistor. 4 13 RCOFF RC Pin RC Network Pin. A parallel RC network connected between this pin and ground sets the Current Controller OFF-Time. 515 OUT1 Power Output Output 1 6, 7, 18, 19 1, 18, 19, 36 GND GND Ground terminals. On PowerDIP24 and SO24 packages, these pins are also used for heat dissipation toward the PCB. On PowerSO36 package the slug is connected on these pins. 8 22 TACHO Open Drain Output Frequency-to-Voltage open drain output. Every pulse from pin H1 is shaped as a fixed and adjustable length pulse. 9 24 RCPULSE RC Pin RC Network Pin. A parallel RC network connected between this pin and ground sets the duration of the Monostable Pulse used for the Frequency-to-Voltage converter. GND GND TACHO RCPULSE SENSEB EN FWD/REV 1 3 2 4 5 6 7 8 9 VREF VBOOT BRAKE OUT3 VSB GND GND 19 18 17 16 15 13 14 D01IN1194A 10 11 12 24 23 22 21 20 H1 DIAG SENSEA RCOFF OUT1 VSA OUT2 VCP H2 H3 GND N.C. N.C. VSA RCOFF OUT1 N.C. N.C. N.C. N.C. N.C. TACHO RCPULSE N.C. VSB N.C. N.C. GND 1 3 2 4 13 14 15 16 17 34 33 24 23 22 20 21 19 35 18 36 GND GND D01IN1195A H1 SENSEA DIAG SENSEB EN FWD/REV 10 11 12 27 26 25 H3 VREF 9 28 OUT2 H2 VCP BRAKE OUT3 VBOOT 5 7 8 32 30 29 N.C. N.C. 6 31 PowerSO36 (5) PowerDIP24/SO24 |
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