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L6229D Scheda tecnica(PDF) 5 Page - STMicroelectronics |
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L6229D Scheda tecnica(HTML) 5 Page - STMicroelectronics |
5 / 25 page 5/25 L6229 PACKAGE Name Type Function SO24/ PowerDIP24 PowerSO36 PIN # PIN # 10 25 SENSEB Power Supply Half Bridge 3 Source Pin. This pin must be connected together with pin SENSEA to Power Ground through a sensing power resistor. At this pin also the Inverting Input of the Sense Comparator is connected. 11 26 FWD/REV Logic Input Selects the direction of the rotation. HIGH logic level sets Forward Operation, whereas LOW logic level sets Reverse Operation. If not used, it has to be connected to GND or +5V.. 12 27 EN Logic Input Chip Enable. LOW logic level switches OFF all Power MOSFETs. If not used, it has to be connected to +5V. 13 28 VREF Logic Input Current Controller Reference Voltage. Do not leave this pin open or connect to GND. 14 29 BRAKE Logic Input Brake Input pin. LOW logic level switches ON all High Side Power MOSFETs, implementing the Brake Function. If not used, it has to be connected to +5V. 15 30 VBOOT Supply Voltage Bootstrap Voltage needed for driving the upper Power MOSFETs. 16 32 OUT3 Power Output Output 3. 17 33 VSB Power Supply Half Bridge 3 Power Supply Voltage. It must be connected to the supply voltage together with pin VSA. 20 4 VSA Power Supply Half Bridge 1 and Half Bridge 2 Power Supply Voltage. It must be connected to the supply voltage together with pin VSB. 21 5 OUT2 Power Output Output 2. 22 7 VCP Output Charge Pump Oscillator Output. 23 8 H2 Sensor Input Single Ended Hall Effect Sensor Input 2. 24 9 H3 Sensor Input Single Ended Hall Effect Sensor Input 3. Table 6. Electrical Characteristics (VS = 48V , Tamb = 25 °C , unless otherwise specified) Symbol Parameter Test Conditions Min Typ Max Unit VSth(ON) Turn ON threshold 5.8 6.3 6.8 V VSth(OFF) Turn OFF threshold 5 5.5 6 V IS Quiescent Supply Current All Bridges OFF; Tj = -25 to 125°C (6) 510 mA TJ(OFF) Thermal Shutdown Temperature 165 °C Output DMOS Transistors RDS(ON) High-Side + Low-Side Switch ON Resistance Tj = 25 °C 1.47 1.69 Ω Tj =125 °C (7) 2.35 2.70 Ω IDSS Leakage Current EN = Low; OUT = VCC 2mA EN = Low; OUT = GND -0.3 mA Table 5. Pin Description (continued) |
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