Datasheet U2010B (Atmel)

FabricanteAtmel
DescripciónPhase-control IC with Current Feedback and Overload Protection
Páginas / Página19 / 1 — Features. Full-wave Current Sensing. Mains Supply Variation Compensated
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Features. Full-wave Current Sensing. Mains Supply Variation Compensated

Datasheet U2010B Atmel

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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 125mA

Internal Supply-voltage Monitoring

Current Requirement

3mA Phase-control

Temperature-compensated Reference Voltage IC with Current Applications Feedback and

Advanced Motor Control

Overload Grinder

Drilling Machine Protection 1. Description
The U2010B is designed as a phase-control circuit in bipolar technology for motor
Atmel U2010B
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 13 12 11 Overload Limiting Voltage Mains voltage Supply 10 detector detector compensation voltage High load GND Automatic A 100% 70% retriggering αmax Output B 9 Phase Programmable Auto- Current control unit overload start - 1 2 + detector protection ϕ = f(V4) Full wave C I rectifier max 16 Voltage
Atmel
monitoring
U2010B
1 Load current Level Soft Reference detector shift start voltage 2 3 4 5 6 7 8 4766D–INDCO–03/11 Document Outline Features Applications 1. Description 2. Pin Configuration 3. General Description 3.1 Mains Supply 3.2 Voltage Monitoring 3.3 Phase Control 3.4 Automatic Retriggering 3.5 Current Synchronization 3.6 Voltage Synchronization with Mains Voltage Compensation 3.7 Load-current Compensation 3.8 Load-current Limitation 3.8.1 Mode Selection 4. Absolute Maximum Ratings 5. Thermal Resistance 6. Electrical Characteristics 7. Diagrams 8. Ordering Information 9. Package Information 10. Revision History