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reference designLV8121V | Demoboard LV8121VSLDGEVK

Onsemi LV8121V | Demoboard LV8121VSLDGEVK

Three-Phase Brushless Motor Driver

Overview

TopologyOther Topology
IC revision0907

Description

The LV8121V is a three-phase brushless motor driver that uses a PWM drive technique. The motor speed is controlled by changing the PWM duty that based on an analog voltage input. This motor driver includes an automatic return constraint protection circuit and is optimal for driving fan motors.

Features

  • PWM control based on an analog voltage input (the CTL voltage), synchronous rectification
  • One Hall-effect sensor FG output
  • Automatic return constraint protection circuit (ON/OFF=1/15)
  • Start/Stop switching circuit, Forward/Reverse switching circuit
  • Current limiter circuit, Low-voltage shutdown protection circuit, Thermal shutdown protection circuit

Typical applications

  • Pump
  • Fan for Consumer electronics / Fan for White goods
  • Office equipment

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
C
Tol. C
VR(V (DC))
Size
Operating Temperature
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
H(mm)
Fl(mm)
Packaging
Endurance(h)
IRIPPLE(mA)
Z(mΩ)
ILeak(µA)
Ø D(mm)
Pins
Type
Mount
IR(A)
Working Voltage(V (AC))
SamplesAvailability & Sample
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885012205062
SPECWCAP-CSGP MLCCs 50 V(DC), 1.5 nF, ±10%
Simu­lation
Availability
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
Capacitance1.5 nF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0402 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor2.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1 mm
Width0.5 mm
Height0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
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885012205063
SPECWCAP-CSGP MLCCs 50 V(DC), 2.2 nF, ±10%
Simu­lation
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
Capacitance2.2 nF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0402 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor2.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1 mm
Width0.5 mm
Height0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
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885012205067
SPECWCAP-CSGP MLCCs 50 V(DC), 10 nF, ±10%
Simu­lation
Availability
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
Capacitance10 nF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0402 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor2.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1 mm
Width0.5 mm
Height0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
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885012205054
SPECWCAP-CSGP MLCCs 25 V(DC), 47 nF, ±10%
Simu­lation
Availability
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 25 V(DC)
Capacitance47 nF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0402 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor3.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1 mm
Width0.5 mm
Height0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
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885012206076
SPECWCAP-CSGP MLCCs 25 V(DC), 1 µF, ±10%
Simu­lation
Availability
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 25 V(DC)
Capacitance1 µF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor10 %
Insulation Resistance0.5 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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865080645012
SPECWCAP-ASLI Aluminum Electrolytic Capacitors, 47 µF, ±20%
Simu­lation
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-ASLI Aluminum Electrolytic Capacitors
Capacitance47 µF
Capacitance±20% 
Rated Voltage50 V (DC)
Size6.3 x 7.7 
Operating Temperature -55 °C up to +105 °C
Dissipation Factor12 %
Insulation Resistance2.12766 MΩ
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Length7.7 mm
Width6.6 mm
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Packaging15" Tape & Reel 
Endurance 2000
Ripple Current230 mA
Impedance700 mΩ
Leakage Current23.5 µA
Diameter6.3 mm
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MountV-Chip SMT 
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61302421121
SPECWR-PHD Pin Header - Dual, –, –

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

Simu­lation–
Availability
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Downloads7 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Dual
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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Length30.48 mm
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PackagingBag 
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Pins24 
TypeStraight 
MountTHT 
Rated Current3 A
Working Voltage250 V (AC)
–Check availability
61301211121
SPECWR-PHD Pin Header - Single, –, –
Simu­lation–
Availability
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Downloads7 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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Length30.48 mm
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PackagingBag 
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Pins12 
TypeStraight 
MountTHT 
Rated Current3 A
Working Voltage250 V (AC)
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