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U2010B_10

器件名称: U2010B_10
功能描述: Programmable Load-current Limitation with Over- and High-load Output
文件大小: 1247.68KB    共18页
生产厂商: ATMEL
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简  介:Features Full-wave Current Sensing Mains Supply Variation Compensated Programmable Load-current Limitation with Over- and High-load Output Variable Soft Start Voltage and Current Synchronization Automatic Retriggering Switchable Triggering Pulse Typically 125 mA Internal Supply-voltage Monitoring Current Requirement ≤ 3 mA Temperature-compensated Reference Voltage Applications Advanced Motor Control Grinder Drilling Machine Phase-control IC with Current Feedback and Overload Protection U2010B 1. Description The U2010B is designed as a phase-control circuit in bipolar technology for motor control applications with load-current feedback and overload protection. It enables load-current detection and has a soft-start function as well as reference voltage output. Figure 1-1. Block Diagram 15 14 Overload Mains voltage compensation 13 12 11 Limiting detector Voltage detector High load Supply voltage 10 GND Automatic retriggering 100% Output 70% αmax A 9 Current detector 16 Phase control unit = f(V4) - 1 2 + Programmable overload protection B Autostart C Imax Full wave rectifier Voltage monitoring 1 U2010B Load current detector Level shift Soft start 4 5 6 7 Reference voltage 8 2 3 4766C–INDCO–04/10 Figure 1-2. 230V ~ Block Diagram with External Circuit 18 kΩ/2W R1 R2 330 kΩ Load 15 14 D1 D3 LED αmax R8 470 kΩ 13 12 VS Overload 11 C1 22 F + 10 Limiting detector Voltage detector Mains voltage compensation High load Supply……
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U2010B_10 Programmable Load-current Limitation with Over- and High-load Output ATMEL
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