The UCC37321/2 family of high-speed drivers delivers 9 A of peak drive current in an industry-standard pinout

UCC27321-Q1

Manufacturer Part NumberUCC27321-Q1
DescriptionThe UCC37321/2 family of high-speed drivers delivers 9 A of peak drive current in an industry-standard pinout
ManufacturerTexas Instruments
UCC27321-Q1 datasheet
 


Specifications of UCC27321-Q1

No. Of Outputs1Driver ConfigurationInverting
Vcc(min)(v)4Vcc(max)(v)15
Peak Output Current(a)9Rise Time(ns)35
Fall Time(ns)20Prop Delay(ns)30
Input ThresholdCMOS,TTLPin/package8SOIC
Operating Temperature Range(c)-40 to 125  
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SINGLE 9-A HIGH-SPEED LOW-SIDE MOSFET DRIVER WITH ENABLE
FEATURES
1
Qualified for Automotive Applications
2
Industry-Standard Pinout With Addition of
Enable Function
High Peak-Current Drive Capability of ±9 A at
the Miller Plateau Region Using TrueDrive™
Technology
Efficient Constant-Current Sourcing Using a
Unique Bipolar and CMOS Output Stage
TTL-/CMOS-Compatible Inputs Independent of
Supply Voltage
20-ns Typical Rise and 15-ns Typical Fall
Times With 10-nF Load
Typical Propagation Delay Times of 25 ns With
Input Falling and 35 ns With Input Rising
4-V to 15-V Supply Voltage
D PACKAGE
(TOP VIEW)
VDD
VDD
1
8
IN
OUT
2
7
ENBL
OUT
3
6
AGND
PGND
4
5
DESCRIPTION
The UCC37321/2 family of high-speed drivers delivers 9 A of peak drive current in an industry-standard pinout.
These drivers can drive the largest of MOSFETs for systems requiring extreme Miller current due to high dV/dt
transitions. This eliminates additional external circuits and can replace multiple components to reduce space,
design complexity, and assembly cost. Two standard logic options are offered, inverting (UCC37321) and
noninverting (UCC37322).
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
TrueDrive, PowerPAD are trademarks of Texas Instruments.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Check for Samples: UCC27321-Q1,
UCC27322-Q1
Available in Thermally Enhanced MSOP
PowerPAD™ Package With 4.7°C/W θ
Rated From –40°C to 125°C
TrueDrive Output Architecture Using Bipolar
and CMOS Transistors in Parallel
APPLICATIONS
Switch-Mode Power Supplies
DC/DC Converters
Motor Controllers
Line Drivers
Class-D Switching Amplifiers
Pulse Transformer Driver
VDD
IN
ENBL
AGND
UCC27321-Q1, UCC27322-Q1
SLUSA13C – FEBRUARY 2010 – REVISED MARCH 2012
JC
DGN PACKAGE
(TOP VIEW)
VDD
8
1
OUT
7
2
OUT
6
3
PGND
5
4
Copyright © 2010–2012, Texas Instruments Incorporated

UCC27321-Q1 Summary of contents

  • Page 1

    ... PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Check for Samples: UCC27321-Q1, UCC27322-Q1 • Available in Thermally Enhanced MSOP PowerPAD™ Package With 4.7°C/W θ ...

  • Page 2

    ... UCC27321-Q1, UCC27322-Q1 SLUSA13C – FEBRUARY 2010 – REVISED MARCH 2012 VDD 1 INVERTING VDD NON IN 2 INVERTING R ENBL 100 kΩ ENBL 3 AGND 4 Using a design that inherently minimizes shoot-through current, the outputs of these devices can provide high gate drive current where it is most needed at the Miller plateau region during the MOSFET switching transition. A unique hybrid output stage paralleling bipolar and MOSFET transistors (TrueDrive) allows efficient current delivery at low supply voltages ...

  • Page 3

    ... IN = Low, ENBL = Low UCC27321 IN = High, ENBL = Low Low, ENBL = High UCC27322 IN = High, ENBL = High UCC27321-Q1, UCC27322-Q1 –0 0.6 A – 0 (whichever is larger) – 0 (whichever is larger) 650 – ...

  • Page 4

    ... UCC27321-Q1, UCC27322-Q1 SLUSA13C – FEBRUARY 2010 – REVISED MARCH 2012 INPUT (IN) ELECTRICAL CHARACTERISTICS –40°C to 125°C (unless otherwise noted PARAMETER V Logic 1 input threshold IH V Logic 0 input threshold IL Input current (1) Latch-up protection (1) Specified by design OUTPUT (OUT) ELECTRICAL CHARACTERISTICS ...

  • Page 5

    ... Copyright © 2010–2012, Texas Instruments Incorporated 80 OUT 20 IN_H 80 20% 0V UCC27321-Q1, UCC27322-Q1 SLUSA13C – FEBRUARY 2010 – REVISED MARCH 2012 ( 80% 80 20% V IN_L Submit Documentation Feedback 5 ...

  • Page 6

    ... UCC27321-Q1, UCC27322-Q1 SLUSA13C – FEBRUARY 2010 – REVISED MARCH 2012 INPUT CURRENT IDLE vs SUPPLY VOLTAGE (UCCx7321) 700 600 500 400 ENBL = 300 200 100 ENBL = − Supply Voltage − Figure 3. INPUT CURRENT IDLE ...

  • Page 7

    ... − Supply Voltage − Figure 7. 0.1 1.0 Figure 9. Copyright © 2010–2012, Texas Instruments Incorporated LOAD 0.1 UCC27321-Q1, UCC27322-Q1 SLUSA13C – FEBRUARY 2010 – REVISED MARCH 2012 LOAD Figure 8. 1.0 Figure 10. Submit Documentation Feedback 7 ...

  • Page 8

    ... UCC27321-Q1, UCC27322-Q1 SLUSA13C – FEBRUARY 2010 – REVISED MARCH 2012 TYPICAL CHARACTERISTICS (continued) t DELAY TIME D1 vs SUPPLY VOLTAGE 105 − − Supply Voltage − Figure 11. t DELAY TIME D1 vs ...

  • Page 9

    ... ENBL − OFF 100 125 −50 UCC27321-Q1, UCC27322-Q1 SLUSA13C – FEBRUARY 2010 – REVISED MARCH 2012 INPUT THRESHOLD vs TEMPERATURE 4 − 100 T − Temperature − Figure 16 ...

  • Page 10

    ... UCC27321-Q1, UCC27322-Q1 SLUSA13C – FEBRUARY 2010 – REVISED MARCH 2012 TYPICAL CHARACTERISTICS (continued) OUTPUT BEHAVIOR vs V (UCC37321 OUT Between Output and GND 50 s/div Figure 19. OUTPUT BEHAVIOR vs VDD (INVERTING Between Output and GND 50 s/div Figure 21. ...

  • Page 11

    ... Copyright © 2010–2012, Texas Instruments Incorporated ENBL = V DD OUT GND ENBL = VDD OUT OUT 0 V UCC27321-Q1, UCC27322-Q1 SLUSA13C – FEBRUARY 2010 – REVISED MARCH 2012 OUTPUT BEHAVIOR vs VDD (UCC37322 ENBL = OUT 10 nF Between Output and GND 50 s/div Figure 24 ...

  • Page 12

    ... UCC27321-Q1, UCC27322-Q1 SLUSA13C – FEBRUARY 2010 – REVISED MARCH 2012 General Information The UCC37321 and UCC37322 drivers serve as an interface between low-power controllers and power MOSFETs. They can also be used as an interface between DSPs and power MOSFETs. High-frequency power supplies often require high-speed, high-current drivers such as the UCC37321/2 family. A leading application is the need to provide a high-power buffer stage between the PWM output of the control device and the gates of the primary power MOSFET or IGBT switching devices ...

  • Page 13

    ... IN OUT 2 7 OUT 3 ENBL PGND AGND 1 µF 100 µF CER AL EL Figure 28. Source Current Test Circuit UCC27321-Q1, UCC27322-Q1 SLUSA13C – FEBRUARY 2010 – REVISED MARCH 2012 10Ω SUPPLY + 1 µF 100 µF 5 SNS R SNS 0.1 Ω 4 µF 100 µF ...

  • Page 14

    ... UCC27321-Q1, UCC27322-Q1 SLUSA13C – FEBRUARY 2010 – REVISED MARCH 2012 It should be noted that the current-sink capability is slightly stronger than the current source capability at lower VDD. This is due to the differences in the structure of the bipolar-MOSFET power output section, where the current source is a P-channel MOSFET and the current sink has an N-channel MOSFET. ...

  • Page 15

    ... SLUSA13C – FEBRUARY 2010 – REVISED MARCH 2012 , one can determine the power that must be dissipated when g = CeffV to provide the following equation for g Table 2. Input/Ouput Table ENBL UCC27321-Q1, UCC27322-Q1 (Table 2) for OUT Submit Documentation Feedback 15 ...

  • Page 16

    ... UCC27321-Q1, UCC27322-Q1 SLUSA13C – FEBRUARY 2010 – REVISED MARCH 2012 Thermal Information The useful range of a driver is greatly affected by the drive-power requirements of the load and the thermal characteristics of the package. For a power driver to be useful over a particular temperature range, the package must allow for the efficient removal of the heat produced while keeping the junction temperature within rated limits ...

  • Page 17

    ... Changes from Revision B (January 2011) to Revision C • Changed enable impedance from 135 kΩ to 145 kΩ ........................................................................................................... Copyright © 2010–2012, Texas Instruments Incorporated SLUSA13C – FEBRUARY 2010 – REVISED MARCH 2012 REVISION HISTORY UCC27321-Q1, UCC27322-Q1 Page 4 Submit Documentation Feedback 17 ...

  • Page 18

    ... TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold Customer on an annual basis. OTHER QUALIFIED VERSIONS OF UCC27321-Q1, UCC27322-Q1 : Catalog: UCC27321, UCC27322 • ...

  • Page 19

    Enhanced Product: UCC27322-EP NOTE: Qualified Version Definitions: • Catalog - TI's standard catalog product Enhanced Product - Supports Defense, Aerospace and Medical Applications • PACKAGE OPTION ADDENDUM Addendum-Page 2 4-Jan-2012 ...

  • Page 20

    ... TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Type Drawing UCC27321QDRQ1 SOIC UCC27322QDGNRQ1 MSOP- DGN Power PAD UCC27322QDRQ1 SOIC PACKAGE MATERIALS INFORMATION Pins SPQ Reel Reel Diameter Width (mm) W1 (mm 2500 330.0 12.4 8 2500 330.0 12 2500 330 ...

  • Page 21

    ... Device Package Type UCC27321QDRQ1 SOIC UCC27322QDGNRQ1 MSOP-PowerPAD UCC27322QDRQ1 SOIC PACKAGE MATERIALS INFORMATION Package Drawing Pins SPQ Length (mm 2500 DGN 8 2500 D 8 2500 Pack Materials-Page 2 3-Jan-2012 Width (mm) Height (mm) 346.0 346.0 29.0 346.0 346.0 29.0 346.0 346.0 29.0 ...

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    ... Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’ ...