HV9901Universal Relay Driver
Features• 10V to 450V Input Voltage Range• Energy-saving Hold Current Mode• Adjustable Microcontroller Supply• Low Supply Current
HV9901
Functional Block Diagram
VIN
A
UVLO
C
VREF
VDD
100 nF
4.7μF
R
S
R
CS
GT
1N49
37
RE
LAY
VN2460N8
LED
10K
1.25V
COM
Q
VDD
Oscillatorshutdown
SYNC
ROSC RT
ENI
ENO
POL
VCC
µP
100 nF
5.0V
RFBA
RFBB
FB
HOLD/DELAYRHDB
RHDA
5
6
7
8 9
10
11
12
13
14
15
16
CHD
C
High Limit
Low Limit
VDD
215nsDelay
Delay
R
2R
1.25V
VDD
High DutyCycle
Oscillator
1
VDD
40μA
5.5 kΩ
BandgapReference
+-
-+
-+
-+
RS
4
CHD
2016-2019 Microchip Technology Inc. DS20005550B-page 2
HV9901
Typical Application Circuit
HV9901
VIN
SYNC
VCCEnable Polarity
Enable
INT REG
PWM
AUX REG
VREF
SYNC
GT
CS
RT
POL
ENOENI
VIN
VDD
VREF
H/D
VCC
FB
2016-2019 Microchip Technology Inc. DS20005550B-page 3
HV9901
1.0 ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings† Input Voltage, VIN1 .................................................................................................................................... –0.5V to 470VInput Voltage to any other Pin1 ........................................................................................................–0.3V to VDD + 0.3VOperating Junction Temperature Range ...............................................................................................–40°C to +125°CContinuous Power Dissipation (TA = +25°C)2 .................................................................................................... 750 mW
Note 1: All voltages are referenced to GND.2: For operation above +25°C ambient, derate linearly at 7.5 mW/°C.
† Notice: Stresses above those listed under “Maximum Ratings” may cause permanent damage to the device. This is a stress rating only, and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICSElectrical Specifications: TA = +25°C unless otherwise noted.
Parameter Symbol Min. Typ. Max. Unit ConditionsHigh-Voltage RegulatorInput Voltage VIN 10 — 450 V ICC = 0 mA to 1 mA loadSupply Current IIN — — 2 mA No load at VDD (Note 1)
Load at ICC = 1 mA, CGT = 500 pF, fOSC = 25 kHz
Internal Supply Voltage VDD 8.5 9 9.5 V No load at VDD (Note 1) CGT = 500 pF, fOSC = 25 kHz
VDD UVLO, On UVLO(ON) 7.8 8.2 8.5 VVDD UVLO, Hysteresis UVLO(HYST) — 0.5 — VAdjustable RegulatorRegulator Output Voltage Range
VCC 2 — 5.5 V ICC = 1 mA load
Regulator Output Current ICC 0 — 1 mA No load at VDD (Note 1)Feedback Voltage VFB 0 VREF VDD–1V VInput Bias Current IFB — 25 100 nA VFB = VREFReferenceBandgap Reference Voltage
VREF 1.2 1.25 1.3 V TA = –40°C to +85°C
Load Regulation — — 7 mV 0 mA < IREF < 0.3 mALine Regulation — 10 15 mV 8.5V < VDD < 9.5VShort Circuit Current IREF(SHORT) — — 1 mAReference Voltage Sink Current
IREF(SINK) — — 20 μA
2016-2019 Microchip Technology Inc. DS20005550B-page 4
HV9901
Note 1: Maximum allowable load current limited by power dissipation and operating ambient temperature.
OscillatorPWM Oscillator Frequency fOSC 20 25 35 kHz RT = 1 MΩ
80 100 140 kHz RT = 226 kΩTemperature Coefficient — — 170 — ppm/°C TA = –40°C to +85°COscillator SYNC Frequency fSYNC — — 150 kHzSYNC Sourcing Current ISYNC 20 — 55 μASYNC Sinking Current ISYNC 1 — — mA VSYNC = 0.1VSYNC Input Logic Low Voltage
VSYNC — — 1 V
PWMMaximum Duty Cycle DMAX 96.5 — 99.5 % RT = 1 MΩ
86.5 — 97.5 % RT = 226 kΩBlanking Time tBLNK 150 215 280 nsMOSFET DriverGate Drive Output High VGTH VDD–0.3 — — V IOUT = 10 mAGate Drive Output Low VGTL — — 0.3 V IOUT = –10 mARise Time tR — 30 50 ns CGT = 500 pFFall Time tF — 30 50 nsCurrent SenseCurrent Sense Voltage, High Limit
VCS(HL) 0.775 0.833 0.891 V
Current Limit Delay to GT, High Limit
tDELAY(HL) — 200 250 ns 50 mV overdrive
Input Bias Current ICS — 25 1000 nA POL = Low, ENI = LowLow-Limit Comparator Input Offset Voltage
VOS — — ±60 mV
Current Limit Delay to GT, Low Limit
tDELAY(LL) — 200 250 ns 50 mV overdrive
Hold/Delay Output Voltage VHOLD/DEL VDD–0.4 — — V IHOLD/DEL(sourcing)–100 μAPOL = Low, ENI = Low
Hold/Delay Input Bias Current
IHOLD/DEL — 25 500 nA POL = Low, ENI = Low
Shutdown Delay tENI — 50 100 ns 2V < VCC < 5.5VEnable Input Voltage - High VENI 0.7 VCC — VCC VEnable Input Voltage - Low 0 — 0.3 VCC VEnable Input Current - High IENI — 1 5 μAEnable Input Current - Low –5 –1 — μAPolarity Voltage - High VPOL 0.7 VCC — VCC VPolarity Voltage - Low 0 — 0.3 VCC VPolarity Current - High IPOL — 1 5 μAPolarity Current - Low –5 –1 — μAEnable Output Voltage - High
VENO 0.9 VCC — VCC V
Enable Output Voltage - Low
0 — 0.1 VCC V
ELECTRICAL CHARACTERISTICS (CONTINUED)Electrical Specifications: TA = +25°C unless otherwise noted.
Parameter Symbol Min. Typ. Max. Unit Conditions
2016-2019 Microchip Technology Inc. DS20005550B-page 5
HV9901
1.1 Truth Table
TEMPERATURE SPECIFICATIONSParameter Symbol Min. Typ. Max. Unit Conditions
Temperature RangeOperating Junction Temperature TJ –40 — +125 °CPackage Thermal Resistance
16-lead SOIC θJA — 83 — °C/W
ENABLE OUTPUT LOGIC TRUTH TABLEPOL ENI ENO Gate Drive Output
Low Low High VGT = Oscillating output, duty cycle depends on inductive loadLow High Low VGT = Low, SYNC = High, oscillator shutdownHigh High Low VGT = Oscillating output, duty cycle depends on inductive loadHigh Low High VGT = Low, SYNC = High, oscillator shutdown
2016-2019 Microchip Technology Inc. DS20005550B-page 6
HV9901
2.0 PIN DESCRIPTIONSThe pin details of HV9901 are listed on Table 2-1. SeeSection “Package Type” for the location of the pins.
TABLE 2-1: PIN TABLE Pin Number Symbol Description
1 VIN Input Supply2 — Pin not present3 — Pin not present4 GT Gate Driver Output for driving the external switching MOSFET5 CS Current Sense Input6 GND Ground
7 SYNC Open-Drain Input/Output for synchronizing the internal PWM oscillator to other HV9901s or to an external clock
8 RT A resistor from this pin to ground sets the PWM switching frequency.
9 POL Input that determines the polarity of the ENI input. See Section 1.1 “Truth Table”.10 ENO Enable Output. It is the logical inversion of the ENI signal.
11 ENI Enable Input. Whether ENI is active-low or active-high is deter-mined by the POL input.
12 VCCOutput of the auxiliary regulator. The output voltage is determined by the resistive divider connected to the FB pin.
13 FB Feedback input for the auxiliary regulator.
14 H/D HOLD/DELAY input. An RC network connected to this pin controls the pull-in time and the holding current. See Equation 3-8.15 VREF Reference Voltage. Bypass locally with a 10 nF capacitor.
16 VDDOutput of the internal supply regulator. Bypass locally with a 10 nF capacitor.
2016-2019 Microchip Technology Inc. DS20005550B-page 7
HV9901
3.0 APPLICATION INFORMATIONTo calculate external component values, use the equa-tions shown in Equation 3-1 to Equation 3-8 as well asFigure 3-1 and Figure 3-2.
EQUATION 3-1:
EQUATION 3-2:
EQUATION 3-3:
EQUATION 3-4:
EQUATION 3-5:
EQUATION 3-6:
EQUATION 3-7:
EQUATION 3-8:
FIGURE 3-1: Current vs. Time.
VCS HL 833 mVNOM=
VDD 9VNOM=
IPULL IN–VCS HL RSENSE--------------------=
VCS LL VDD
1RHDARHDB--------------+
------------------------=
IHOLDVCS LL RSENSE-------------------=
fPWM 3.23kHz21.8GHz
ROSC--------------------------------+
Valid for fPWM > 23 kHz
VCC 1.25V 1RFBARFBB-------------+
=
tPULL IN– RHDA RHDB – CHD 1VCS HL VDD–VCS LL VDD–------------------------------------–
ln=
IPULL-IN
tPULL-IN
IHOLD
Time
Cur
rent
2016-2019 Microchip Technology Inc. DS20005550B-page 8
HV9901
FIGURE 3-2: Typical Application Circuit.
VREF PWM
SYNC
GT
CS
RT
POL
ENO
ENI
VIN
VDD
VREF
H/D
VCC
FB
2.0–5.5V@ 1.0mA
VIN
RSENSE
ROSC
RHDb
RHDaCREF
CDD
CIN
QSW
RFBa
RFBb
Aux Reg
Int Reg
HV9901
CHD
2016-2019 Microchip Technology Inc. DS20005550B-page 9
HV9901
4.0 PACKAGING INFORMATION
4.1 Package Marking Information
Legend: XX...X Product Code or Customer-specific informationY Year code (last digit of calendar year)YY Year code (last 2 digits of calendar year)WW Week code (week of January 1 is week ‘01’)NNN Alphanumeric traceability code Pb-free JEDEC® designator for Matte Tin (Sn)* This package is Pb-free. The Pb-free JEDEC designator ( )
can be found on the outer packaging for this package.
Note: In the event the full Microchip part number cannot be marked on one line, it willbe carried over to the next line, thus limiting the number of availablecharacters for product code or customer-specific information. Package may ornot include the corporate logo.
3e
3e
16-lead SOIC
XXXXXXXXYYWWNNN
e3
Example
HV9901NG1611343
e3
2016-2019 Microchip Technology Inc. DS20005550B-page 10
HV9901
Symbol A A1 A2 b D E E1 e h L L1 L2
Dimension(mm)
MIN 1.35* 0.10 1.25 0.31 9.80* 5.80* 3.80*1.27BSC
0.25 0.401.04REF
0.25BSC
0O 5O
NOM - - - - 9.90 6.00 3.90 - - - -
MAX 1.75 0.25 1.65* 0.51 10.00* 6.20* 4.00* 0.50 1.27 8O 15O
JEDEC Registration MS-012, Variation AC, Issue E, Sept. 2005.
Drawings are not to scale.
Top View
Side View View A-A
View BA
A
SeatingPlane
16
1Seating
Plane
GaugePlane
LL1
L2
θ1
θ
View B
hh
b
A A2
A1
e
EE1
D
Note 1(Index AreaD/2 x E1/2)
Note:1.
16-Lead SOIC (Narrow Body) Package Outline (NG)Pins #2 and #3 Trimmed9.90x3.90mm body, 1.75mm height (max), 1.27mm pitch
Note: For the most current package drawings, see the Microchip Packaging Specification at www.microchip.com/packaging.
2016-2019 Microchip Technology Inc. DS20005550B-page 11
HV9901
NOTES:
2016-2019 Microchip Technology Inc. DS20005550B-page 12
2016-2019 Microchip Technology Inc. DS20005550B-page 13
HV9901APPENDIX A: REVISION HISTORY
Revision B (September 2019)• Updated the Absolute Maximum Ratings†.• Updated the Temperature Specifications.• Corrected equations in Section 3.0, Application
Information.• Various typographical edits.
Revision A (August 2016)• Updated file to Microchip format.• Converted Supertex Doc # DSFP-HV9901 to
Microchip DS20005550B.• Minor text changes throughout.
2016-2019 Microchip Technology Inc. DS20005550B-page 14
HV9901PRODUCT IDENTIFICATION SYSTEMTo order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.
Device: HV9901 = Universal Relay Driver
Package: NG = 16-lead SOIC
Environmental: G = Lead (Pb)-free/RoHS-compliant Package
Media Type: (blank) = 45/Tube for an NG PackageM901 = 2600/Reel for an NG PackageM934 = 2600/Reel for an NG Package
Note: For media types M901 and M934, the base quantity for tape andreel was standardized to 2600/reel. Both options will result indelivery of the same number of parts/reel.
Examples:a) HV9901NG-G: Universal Relay Driver, 16-lead
SOIC Package, 45/Tubeb) HV9901NG-G-M901: Universal Relay Driver, 16-lead
SOIC Package, 2600/Reelc) HV9901NG-G-M934: Universal Relay Driver, 16-lead
SOIC Package, 2600/Reel
PART NO. X
Device
X
Environmental
XX
PackageOptions
Media
- -
Type
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ISBN: 978-1-5224-5022-1
DS20005550B-page 15
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Universal Relay DriverFeaturesApplicationsGeneral DescriptionPackage TypeFunctional Block DiagramTypical Application Circuit
1.0 Electrical CharacteristicsAbsolute Maximum Ratings†
Electrical CharacteristicsTemperature Specifications1.1 Truth Table
Enable OUTPUT Logic Truth Table2.0 Pin DescriptionsTABLE 2-1: Pin table
3.0 Application InformationFIGURE 3-1: Current vs. Time.FIGURE 3-2: Typical Application Circuit.
4.0 Packaging Information4.1 Package Marking Information
Appendix A: Revision HistoryRevision B (September 2019)Revision A (August 2016)
Product Identification SystemTrademarksWorldwide Sales