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L6225 Datasheet(PDF) 4 Page - STMicroelectronics |
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L6225 Datasheet(HTML) 4 Page - STMicroelectronics |
4 / 20 page L6225 4/20 (6) Also connected at the output drain of the Overcurrent and Thermal protection MOSFET. Therefore, it has to be driven putting in series a resistor with a value in the range of 2.2k Ω - 180KΩ, recommended 100kΩ PIN DESCRIPTION PACKAGE Name Type Function SO20/ PowerDIP20 PowerSO20 PIN # PIN # 1 6 IN1A Logic Input Bridge A Logic Input 1. 2 7 IN2A Logic Input Bridge A Logic Input 2. 3 8 SENSEA Power Supply Bridge A Source Pin. This pin must be connected to Power Ground directly or through a sensing power resistor. 4 9 OUT1A Power Output Bridge A Output 1. 5, 6, 15, 16 1, 10, 11, 20 GND GND Signal Ground terminals. In PowerDIP and SO packages, these pins are also used for heat dissipation toward the PCB. 7 12 OUT1B Power Output Bridge B Output 1. 8 13 SENSEB Power Supply Bridge B Source Pin. This pin must be connected to Power Ground directly or through a sensing power resistor. 9 14 IN1B Logic Input Bridge B Logic Input 1. 10 15 IN2B Logic Input Bridge B Logic Input 2. 11 16 ENB Logic Input (6) Bridge B Enable. LOW logic level switches OFF all Power MOSFETs of Bridge B. This pin is also connected to the collector of the Overcurrent and Thermal Protection transistor to implement over current protection. If not used, it has to be connected to +5V through a resistor. 12 17 VBOOT Supply Voltage Bootstrap Voltage needed for driving the upper PowerMOSFETs of both Bridge A and Bridge B. 13 18 OUT2B Power Output Bridge B Output 2. 14 19 VSB Power Supply Bridge B Power Supply Voltage. It must be connected to the supply voltage together with pin VSA. 17 2 VSA Power Supply Bridge A Power Supply Voltage. It must be connected to the supply voltage together with pin VSB. 18 3 OUT2A Power Output Bridge A Output 2. 19 4 VCP Output Charge Pump Oscillator Output. 20 5 ENA Logic Input (6) Bridge A Enable. LOW logic level switches OFF all Power MOSFETs of Bridge A. This pin is also connected to the collector of the Overcurrent and Thermal Protection transistor to implement over current protection. If not used, it has to be connected to +5V through a resistor. |
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