전자부품 데이터시트 검색엔진 |
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L6223 데이터시트(PDF) 3 Page - STMicroelectronics |
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L6223 데이터시트(HTML) 3 Page - STMicroelectronics |
3 / 33 page No. Name Fun ction 1,2 18,19 OUT2,OUT1 OUT4,OUT3 Outputs for motor windings. 3 BSTP A bootstrap capacitor connected between this pin and COM will generate the internal overvoltage required for driving the gate of the upper DMOS. 6 COM Output for common wire of motor. 4,5 16,17 GND Common ground. Also provides heatsinking to PCB. 7VS Power supply 8 DA/CLEV Digital input. 1) In PROGRAM MODE,operates in XOR with DA/OPLO to load data into 6-bit shift register. 2) In OPERATING MODE,works with the other digital inputs to reduce the current level (see Table 2 and Table 3). 9 DA/OPLO Digital input. 1) In PROGRAM MODE, operates in XOR with DA/CLEV to load data into 6-bit shift register. 2) In OPERATING MODE,selects current control method: open loop (H) or closed loop (L). 10,11 12,13 IN1,IN2 IN3,IN4 Digital inputs. When all inputs are low level,the device is in PROGRAMMING MODE. In OPERATING MODE: 1) FULL MODE - IN1 to IN4 drive the motor phases. A previous programming is requested. 2) SIMPLIFIED MODE - IN1 and IN2 drive the phases,IN3 is ENABLE, IN4 works with DA/CLEV to enable the reduce current level. Previous programming not needed. 14 RC Input for external RC network. Defines the higher of two possible chopping frequencies. If this pin is set to ground it will reset the IC. 15 VSS Logic supply. 20 SENSE Output for sense resistor. PIN DESCRIPTION L6223 3/33 |
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