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TEMIC Semiconductors
TEMIC Semiconductors


U2010B

Phase Control Circuit for Current Feedback


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U2010B pdf
Phase Control Circuit for Current Feedback
U2010B
Description
The U2010B is designed as a phase-control circuit in
bipolar technology. It enables load-current detection and
has a soft-start function as well as reference voltage
output. Motor control with load-current feedback and
overload protection are preferred applications.
Features
D Full wave current sensing
D Mains supply variation compensated
D Programmable load-current limitation
with over- and high-load output
D Variable soft-start
D Voltage and current synchronization
D Automatic retriggering switchable
D Triggering pulse typical 125 mA
Package: DIP16, SO16
D Internal supply voltage monitoring
vD Current requirement 3 mA
D Temperature compensated reference voltage
Applications
D Advanced motor control
D Grinder
D Drilling machine
Block Diagram
96 11646
15
Limiting
detector
Voltage
detector
14 13
Overload
Mains voltage
compensation
12
High load
11
Supply 10
voltage GND
Automatic
retriggering
Current
detector
16
Pulse
output
1
Load
current
detector
Phase
control unit
ö = f (V4)
Output
12
Full wave
rectifier
Level
shift
100% 70% amaxA
B9
Programmable Auto–
+ overload start
protection
C
Imax
Voltage
monitoring
Soft Reference
start voltage
2 3 45
67
8
Figure 1. Block diagram
TELEFUNKEN Semiconductors
Rev. A1, 28-May-96
1 (12)



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U2010B pdf
U2010B
Figure 2. Block diagram with external circuit
General Description
Mains Supply
The U2010B contains voltage limiting and can be
connected with the mains supply via D1 and R1. Supply
* *voltage between Pin 10 and Pin 11 is smoothed
by C1.
vIn the case of V6 (70% of overload threshold voltage),
v wPins 11 and 12 are connected internally whereby
Vsat 1.2 V. When V6 VT70, the supply current
flows across D3.
2 (12)
TELEFUNKEN Semiconductors
Rev. A1, 28-May-96



Part Number U2010B
Description Phase Control Circuit for Current Feedback
Maker TEMIC Semiconductors - TEMIC Semiconductors
Total Page 12 Pages
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