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HT45B0C MOSFET Gate Driver
Technical Document
* Tools Information * FAQs * Application Note
Features
* Three low side and high side MOSFET driver * Low side drive supply range from 9V~20V with low * Input logic supply range from 4.5V~5.5V * Low voltage protection function * 24-pin SKDIP/SOP package
voltage protection
* High side driver output maximum voltage is 80V
General Description
The devices are for power MOSFET gate drivers, which interface directly to driver the power MOSFET. There are three high side drivers and three low side drivers to driver six N-channel power MOSFET. The high side driver operates up to 80 Volts. The input logic power is from VDD, so it can easy to interface with microcontroller.
Block Diagram
VDD ATL 30k9 V
SS
VDAT H ig h S id e D r iv e r Level S h ifte r D r iv e r AT VSAT Low Level S h ifte r S id e D r iv e r D r iv e r AB VSS
V 30k9 ABL
DD
L o g ic C ir c u it
VM
L o w V o lta g e P r o te c tio n
VDD
VDBT H ig h S id e D r iv e r Level S h ifte r D r iv e r BT VSBT Low Level S h ifte r S id e D r iv e r D r iv e r BB VSS
BTL 30k9 V
SS
V 30k9 BBL
DD
L o g ic C ir c u it
VM
VDD
VDCT H ig h S id e D r iv e r
CTL 30k9 V
SS
Level S h ifte r L o g ic C ir c u it
D r iv e r
CT VSCT
V 30k9 CBL
DD
VM Low Level S h ifte r S id e D r iv e r D r iv e r
CB VSS
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HT45B0C
Pin Assignment
VM 1 2 3 4 5 6 7 8 9 10 11 12 NC VSS VDD ATL ABL BTL BBL CTL CBL NC VSS 24 23 22 21 20 19 18 17 16 15 14 13 VDAT AT VSAT AB VDBT BT VSBT BB VDCT CT VSCT CB
H T45B 0C 2 4 S K D IP -A /S O P -A
Pin Description
Pin Name VDAT VDBT VDCT AT BT CT VSAT VSBT VSCT AB BB CB ATL BTL CTL ABL BBL CBL VM VDD VSS I/O 3/4 Description Upper side power MOSFET gate driver positive power supply
O
High side high voltage drive output
3/4
Upper side power MOSFET gate driver negative power supply
O
Low side high voltage drive output
I
Logic input for high side gate driver output (AT, BT, CT)
I
Logic input for low side gate driver output (AB, BB, CB) Low side driver power supply and power supply for VDAT/VSAT, VDBT/VSBT, VDCT/VSCT charging capacitors Logic power supply Negative power supply, ground
3/4 3/4 3/4
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HT45B0C
Absolute Maximum Ratings
VDD Supply Voltage ...................................................................................................................VSS-0.3V to VSS+6.0V VM Supply Voltage ......................................................................................................................VSS-0.3V to VSS+20V VDAT, VDBT, VDCT Supply Voltage ............................................................................................VSS-0.3V to VSS+80V VSAT, VSBT, VSCT Supply Voltage .............................................................................................VSS-0.3V to VSS+70V Input Voltage ..............................................................................................................................VSS-0.3V to VDD+0.3V Storage Temperature ............................-50C to 125C IOL Total ..............................................................150mA Total Power Dissipation .....................................500mW Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. Operating Temperature...........................-40C to 85C IOH Total............................................................-100mA
D.C. Characteristics
Symbol VDD VM VLVH VLVL IDD IVM VIL VIH Parameter Operating Voltage Low Side Driver Power Supply VM Low Voltage Protection Voltage VM Low Voltage Protection Voltage VDD Operating Current VM Operating Current Input Low Voltage for ATL, BTL, CTL, ABL, BBL, CBL Input High Voltage for ATL, BTL, CTL, ABL, BBL, CBL AT, AB, BT, BB, CT and CB Sink Current AT, AB, BT, BB, CT and CB Source Current Test Conditions VDD 3/4 3/4 3/4 3/4 3/4 5V 5V Conditions 3/4 3/4 High going Low going Min. 4.5 VLVH 8 7 3/4 3/4 3/4 3/4 VM and VDxT-VSxT=15V, VOL=1.5V VM and VDxT-VSxT=15V, VOH=13.5V VM and VDxT-VSxT=15V, VO=15V, VIN=VIL, pulse width 10ms VM and VDxT-VSxT=15V, VO=0V, VIN=VIH, pulse width 10ms 3/4 3/4 0 0.7VDD Typ. 3/4 3/4 9 8 1 0.5 3/4 3/4 Max. 5.5 20 10 9 2 1 0.3VDD VDD
Ta=25C Unit V V V V mA mA V V
5V No load VM=20V
IOL
3/4
25
40
3/4
mA
IOH
3/4
-12.5
-20
3/4
mA
IOLS
AT, AB, BT, BB, CT and CB Output Low Short Circuit Pulsed Current
3/4
3/4
380
3/4
mA
IOHS
AT, AB, BT, BB, CT and CB Output High Short Circuit Pulsed Current Pull-high Resistance of ABL, BBL, CBL Pull-low Resistance of ATL, BTL, CTL
3/4
3/4
-165
3/4
mA
RPH RPL
5V 5V
10 10
30 30
50 50
kW kW
Note: VDxT is VDAT, VDBT or VDCT VSxT is VSAT, VSBT or VSCT The IOLS and IOHS parameters have been characterised but not 100% production tested.
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HT45B0C
A.C. Characteristics
Symbol Parameter Test Conditions VDD 5V VM Conditions Min. Typ. Max. Ta=25C Unit
tON
Turn-on Propagation Delay
CL=1000pF, 15V VDxT-VSxT=15V, VDxT=80V CL=1000pF, 15V VDxT-VSxT=15V, VDxT=80V CL=1000pF, 15V VDxT-VSxT=15V, VDxT=80V CL=1000pF, 15V VDxT-VSxT=15V, VDxT=80V 15V 3/4
3/4
3/4
250
ns
tOFF
Turn-off Propagation Delay
5V
3/4
3/4
150
ns
tR
Turn-on Rising Time
5V
3/4
3/4
250
ns
tF
Turn-off Falling Time Input Pulse Width for ATL, BTL, CTL, ABL, BBL, CBL
5V
3/4
3/4
120
ns
tIN
5V
200
3/4
3/4
ns
Note: VDxT is VDAT, VDBT or VDCT VSxT is VSAT, VSBT or VSCT
xB L 50% tR
N
50% tF
tO
tO 90%
FF
90% 10%
xB
10%
50% xTL tO
N
50% tR 90% 10% tO tF
FF
90% 10%
xT
Note: x is A, B or C
Rev. 1.00
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December 21, 2006
HT45B0C
Functional Description
Input/Output Truth Table The output of the device is according the input pin. The true table is as follow: ATL, BTL, CTL 0 0 1 1 3/4 ABL, BBL, CBL 1 0 1 0 3/4 Low Voltage Protection N N N N Y AT, BT, CT VSAT, VSBT, VSCT VSAT, VSBT, VSCT VDAT, VDBT, VDCT VSAT, VSBT, VSCT VSAT, VSBT, VSCT AB, BB, CB VSS, VSS, VSS VM, VM, VM VSS, VSS, VSS VSS, VSS, VSS VSS, VSS, VSS
(ATL, ABL), (BTL, BBL) and (CTL, CBL) Truth Table
Timing Diagrams
xTL
xB L
xT
xB
Note: x is A, B or C
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December 21, 2006
HT45B0C
Package Information
24-pin SKDIP (300mil) Outline Dimensions
A 24 B 1 13 12
H C D E F G
=
I
Symbol A B C D E F G H I a
Dimensions in mil Min. 1235 255 125 125 16 50 3/4 295 345 0 Nom. 3/4 3/4 3/4 3/4 3/4 3/4 100 3/4 3/4 3/4 Max. 1265 265 135 145 20 70 3/4 315 360 15
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HT45B0C
24-pin SOP (300mil) Outline Dimensions
24 A
13 B
1
12
C C' G H D E F
=
Symbol A B C C D E F G H a
Dimensions in mil Min. 394 290 14 590 92 3/4 4 32 4 0 Nom. 3/4 3/4 3/4 3/4 3/4 50 3/4 3/4 3/4 3/4 Max. 419 300 20 614 104 3/4 3/4 38 12 10
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HT45B0C
Product Tape and Reel Specifications
Reel Dimensions
T2 D
A
B
C
T1
SOP 24W Symbol A B C D T1 T2 Description Reel Outer Diameter Reel Inner Diameter Spindle Hole Diameter Key Slit Width Space Between Flange Reel Thickness Dimensions in mm 3301 621.5 13+0.5 -0.2 20.5 24.8+0.3 -0.2 30.20.2
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HT45B0C
Carrier Tape Dimensions
D
E F
P0
P1
t
W C
B0
D1
P
K0 A0
SOP 24W Symbol W P E F D D1 P0 P1 A0 B0 K0 t C Description Carrier Tape Width Cavity Pitch Perforation Position Cavity to Perforation (Width Direction) Perforation Diameter Cavity Hole Diameter Perforation Pitch Cavity to Perforation (Length Direction) Cavity Length Cavity Width Cavity Depth Carrier Tape Thickness Cover Tape Width Dimensions in mm 240.3 120.1 1.750.1 11.50.1 1.55+0.1 1.5+0.25 40.1 20.1 10.90.1 15.90.1 3.10.1 0.350.05 21.3
Rev. 1.00
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December 21, 2006
HT45B0C
Holtek Semiconductor Inc. (Headquarters) No.3, Creation Rd. II, Science Park, Hsinchu, Taiwan Tel: 886-3-563-1999 Fax: 886-3-563-1189 http://www.holtek.com.tw Holtek Semiconductor Inc. (Taipei Sales Office) 4F-2, No. 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan Tel: 886-2-2655-7070 Fax: 886-2-2655-7373 Fax: 886-2-2655-7383 (International sales hotline) Holtek Semiconductor Inc. (Shanghai Sales Office) 7th Floor, Building 2, No.889, Yi Shan Rd., Shanghai, China 200233 Tel: 86-21-6485-5560 Fax: 86-21-6485-0313 http://www.holtek.com.cn Holtek Semiconductor Inc. (Shenzhen Sales Office) 5/F, Unit A, Productivity Building, Cross of Science M 3rd Road and Gaoxin M 2nd Road, Science Park, Nanshan District, Shenzhen, China 518057 Tel: 86-755-8616-9908, 86-755-8616-9308 Fax: 86-755-8616-9533 Holtek Semiconductor Inc. (Beijing Sales Office) Suite 1721, Jinyu Tower, A129 West Xuan Wu Men Street, Xicheng District, Beijing, China 100031 Tel: 86-10-6641-0030, 86-10-6641-7751, 86-10-6641-7752 Fax: 86-10-6641-0125 Holtek Semiconductor Inc. (Chengdu Sales Office) 709, Building 3, Champagne Plaza, No.97 Dongda Street, Chengdu, Sichuan, China 610016 Tel: 86-28-6653-6590 Fax: 86-28-6653-6591 Holmate Semiconductor, Inc. (North America Sales Office) 46729 Fremont Blvd., Fremont, CA 94538 Tel: 1-510-252-9880 Fax: 1-510-252-9885 http://www.holmate.com
Copyright O 2006 by HOLTEK SEMICONDUCTOR INC. The information appearing in this Data Sheet is believed to be accurate at the time of publication. However, Holtek assumes no responsibility arising from the use of the specifications described. The applications mentioned herein are used solely for the purpose of illustration and Holtek makes no warranty or representation that such applications will be suitable without further modification, nor recommends the use of its products for application that may present a risk to human life due to malfunction or otherwise. Holteks products are not authorized for use as critical components in life support devices or systems. Holtek reserves the right to alter its products without prior notification. For the most up-to-date information, please visit our web site at http://www.holtek.com.tw.
Rev. 1.00
10
December 21, 2006

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