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U211B

Atmel
Part Number U211B
Manufacturer Atmel
Description Phase Controller
Published Mar 20, 2015
Detailed Description Features • Internal Frequency-to-voltage Converter • Externally Controlled Integrated Amplifier • Overload Limitation wi...
Datasheet PDF File U211B PDF File

U211B
U211B

Overview
Features • Internal Frequency-to-voltage Converter • Externally Controlled Integrated Amplifier • Overload Limitation with “Fold Back” Characteristic • Optimized Soft-start Function • Tacho Monitoring for Shorted and Open Loop • Automatic Retriggering Switchable • Triggering Pulse Typically 155mA • Voltage and Current Synchronization • Internal Supply-voltage Monitoring • Temperature Reference Source • Current Requirement ≤ 3mA 1.
Description The integrated circuit Atmel® U211B is designed as a phase-control circuit in bipolar technology with an internal frequency-to-voltage converter.
The device includes an internal control amplifier which means it can be used for speed-regulated motor applications.
Amongst others, the device features integrated load limitation, tacho monitoring and soft-start functions, to realize sophisticated motor control systems.
Figure 1-1.
Block Diagram Phase Control IC with Overload Limitation for Tacho Applications Atmel U211B 17(16) 1(1) Voltage/current ...


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