SEN012 POWERINT [Power Integrations, Inc.], SEN012 Datasheet

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SEN012

Manufacturer Part Number
SEN012
Description
Zero Loss High Voltage Sense Signal Disconnect IC
Manufacturer
POWERINT [Power Integrations, Inc.]
Datasheet
1.SEN012.pdf (8 pages)

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SEN012-013
SENZero Family
www.powerint.com
Zero
Product Highlights
Features and Performance
•
•
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EcoSmart
•
Applications
•
•
Description
SENZero is a compact low cost solution to eliminate losses in
resistive signal paths connected between high-voltage rails and
switching power supply controller(s). Examples include feed-
forward or feedback signal paths connected to boost controllers
in power factor corrected systems and feedforward signal paths
in two switch forward / LLC / half and full bridge converters.
The device is available in 2 (SEN012) and 3 (SEN013) channel
versions according to the application’s requirements. The
internal gate drive and protection circuitry provides gate drive
signals to the internal 650 V MOSFETs in response to the voltage
applied to the VCC pin. This simple configuration provides easy
integration into existing systems by using the system V
an input to the SENZero.
The SENZero family uses a low cost compact SO-8 package to
reduce PCB area while the pin configuration is designed to meet
pin-pin fault conditions.
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•
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Eliminates significant standby losses
Ultra low leakage (maximum 1 mA) 650 V MOSFETs
Single component provides remote disconnect functionality
Protection features to help production/manufacturing yields
Triggerable via remote-off signal or load conditions
Green package technology
Withstands high differential surge conditions
ACDC converters with high-voltage resistive signal paths
Ideal for all very low standby systems such as those meeting
EuP Lot 6 and similar energy efficiency standards
<3 mW loss at 230 VAC in Off/standby mode
Disconnects unnecessary circuit blocks during standby,
remote-off, or light-load conditions
<0.5 mW per channel during standby
No external components or additional bias supply needed for
remote-off
Integrates multiple disconnect MOSFETs, gate drive, and
protection
Minimal component count provides higher reliability
Pin-to-pin fault and ESD protection
Integrated gate pull down circuit protects against loss of
trigger signal fault
RoHS compliant and halogen free
S1, S2 and S3 interface with controller pins up to 6.5 V
above system ground
1
Loss High Voltage Sense Signal Disconnect IC
®
– Energy Efficient
®
CC
rail as
Component Selection Table
High-Voltage
High-Voltage
Table 1.
Notes:
1. IEC 62301 clause 4.5 rounds standby power use below 5 mW to zero.
2. Package: D: SO-8.
Figure 1.
Figure 2.
SEN012DG
SEN013DG
Standby
Standby
Ground
Ground
DC Rail
System
System
System
DC Rail
System
System
System
Signal
Signal
Product
V
V
CC
CC
Component Selection Table.
Typical Application SEN012.
Typical Application SEN013.
2
SENZero
SENZero
Integrated Disconnect
VCC
G
G
VCC
MOSFETs
2
3
D1
D1
S1
S1
D2
S2
D2
S2
D3
S3
Power Consumption
in Standby
<1.5 mW
230 VAC
<1 mW
To Controller(s)
Sense Pins
To Controller(s)
Sense Pins
November 2010
PI-5813-032510
PI-5812-032510

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SEN012 Summary of contents

Page 1

... LLC / half and full bridge converters. The device is available in 2 (SEN012) and 3 (SEN013) channel versions according to the application’s requirements. The internal gate drive and protection circuitry provides gate drive signals to the internal 650 V MOSFETs in response to the voltage applied to the VCC pin ...

Page 2

... The internal MOSFETs are fully turned on when the VCC pin voltage is V (see parameter table) or more greater than their CC(ON) SOURCE voltage relative to GROUND. VCC pin should be connected to GROUND to turn the MOSFETs off. GROUND (G) Pin: This is the ground reference for all the SENZero pin voltages. D Package (SO-8) SEN012DG VCC ...

Page 3

... Z Unregulated Bias Q2 (2N3906 (100 kΩ) SENZero ON/OFF Enable S1 S2 Figure 9. A Modified Version of an Unregulated Bias Winding Supplying Power PI-6052-072010 Through a Series Pass Regulator. Transistor Q2 Provides Remote-Off Functionality. SEN012-013 Q1 VCC kΩ PI-6051-072010 Q1 (2N3904) VCC kΩ) ...

Page 4

... SEN012-013 Application Example SENZero in PFC Bus Voltage Feedback Network Commercial PFC IC’s typically has a pin dedicated for sensing the output voltage of the PFC Stage. The information on this pin is typically used by the PFC IC for various major functions. 1. Output regulation – input to the non-inverting input of the error amplifier 2 ...

Page 5

... C1 voltage. Capacitor C2 can be increased to ensure that during turn-off, PFC turns-off first before SENZero. Capacitors C1 and C2 can be 100 nF standard decoupling capacitors. However, C1 needs to be ≥C2. www.powerint.com VCC Ω VCC PFC IC C1 GND SEN012-013 D1 D2 OVP SENZero C2 GND PI-6204-102510 Rev. B 11/05/10 5 ...

Page 6

... SEN012-013 Absolute Maximum Ratings (1) DRAIN Pin Voltage (D1, D2, D3) ..............................-0 650 V VCC Pin Voltage ................................................... -0 Voltage on S1, S2, S3 Pins .................................. -0 6.5 V Storage Temperature ...................................... -65 °C to 150 °C Operating Junction Temperature ......................-40 °C to 125 °C Lead Temperature .........................................................260 °C (2) Parameter Symbol Input VCC Pin Input Current ...

Page 7

... Standard Configurations TL Tape & Reel SEN012-013 DETAIL 0.25 (0.010) 1.04 (0.041) REF BSC 0.40 (0.016) 1.27 (0.050) DETAIL A H 0.17 (0.007) 0.25 (0.010) PI-5615-041210 Part Number Options SEN012DG Tube SEN012DG-TL Tape and Reel SEN013DG Tube SEN013DG-TL Tape and Reel GAUGE PLANE Quantity 98 2500 98 2500 7 Rev. B 11/05/10 ...

Page 8

Revision Notes A Initial Release B Added Applications Example section, updated Figure 9 For the latest updates, visit our website: www.powerint.com Power Integrations reserves the right to make changes to its products at any time to improve reliability or manufacturability. ...

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