Technology for InnovatorsTM
Power Management Includes:
• Pin-Compatible Cross Reference
MOSFET Gate Drivers to Industry Standard Drivers
from Texas Instruments • MOSFET Driver Selection Guide
• Digital Control Compatible Drivers
• Complete MOSFET Driver
Resource Listing
MOSFET Drivers Family of Products
2 MOSFET DRIVERS POWER MANAGEMENT TEXAS INSTRUMENTS 2Q 2006
Demanding high frequency and synchronous rectifier power fast switching transitions and high current output capability.
management applications require robust gate drive solu- Developed with industry standard pinouts, many of these
tions to achieve the highest efficiency. The powerful family drivers are enhanced replacements for popular driver ICs
of Texas Instruments Gate Driver ICs features a combined used in the industry.
Bipolar and MOSFET manufacturing process that delivers
MOSFET Gate Drivers with True Drive™ Technology
Single Low Side Drivers Dual Low Side Drivers Synchronous Buck Drivers
TPS2816 thru TPS2819 TPS2811 thru TPS2815 TPS2830-37
TPS2828/29 • Dual ±2 A Peak Gate Drivers TPS2838/39/48/49
• Single ±2 A Peak Gate Drivers • Cost effective • ±2.4 A Peak Gate Drivers for 5 V and 12 V
• Very cost effective • Noise-immune CMOS Schmitt Input input applications (TPS2830-37)
• Noise-immune CMOS Schmitt Input • 4 V to 15 V supply operation • ±4.0 A Peak Gate Drivers for 12 V input
• 4 V to 14 V supply operation • Internal Gate Drive Regulator extends applications (TPS2838/39/48/49)
• Internal Gate Drive Regulator extends operation to 40 V (TPS2811/12/13) • Adaptive drive
operation to 40 V (TPS2816-19) • Flexible input options (TPS2814/15) • 8-pin SOIC and PowerPAD™ HTSSOP
• 5-pin SOT-23 package • 8-pin TSSOP, SOIC, and PDIP packages 14-pin and 16-pin packages
in industry standard pinout
UCC37321/2 UCC37323/4/5 and UCC27423/4/5 UCC27221/2
• Single ±9 A Peak Gate Drivers suitable • Dual ±4 A Peak Gate Drivers • ±3.3 A Peak Gate Drivers
for high current 6 A, 9 A, and 12 A • Suitable for dual 1.5 A and 3 A Gate Drive • 3.3 V, 5 V, or 12 V input applications
drive applications applications • Predictive Gate Drive™ technology to
• 4 V to 15 V supply operation • 4 V to 15 V supply operation minimize body diode conduction losses
• 8-pin SOIC, PDIP, and PowerPAD • 8-pin SOIC, PDIP, and PowerPAD • 2% to 4% efficiency gains over competing
MSOP packages MSOP packages adaptive technologies
• Industry standard pinout plus Enable • Industry standard pinouts • PowerPAD 14-pin HTSSOP package
function for improved driver control • UCC27423/4/5 has an enable pin
General Purpose MOSFET Drivers: Pin-Compatible Devices
Texas Instruments MicroChip Micrel Maxim ON Semi Texas Instruments
UCC37323 and UCC27423 TC426 MIC426 MAX626 MC33151 TPS2811
4 A dual inverting TC1426 MIC1426 TSC426 MC34151 2 A dual inverting
TC4423 MIC4423 MAX4426 NCP4413
TC4426 MIC4426 NCP4423
UCC37324 and UCC27424 TC427 MIC427 MAX627 MC33152 TPS2812
4 A dual non-inverting TC1427 MIC1427 TSC427 MC34152 2 A dual non-inverting
TC4424 MIC4424 MAX4427 NCP4414
TC4427 MIC4427 NCP4424
UCC37325 and UCC27425 TC428 MIC428 MAX628 MC33153 TPS2812
4 A Dual TC1428 MIC1428 TSC428 MC34152 2 A dual
(one inverting, TC4428 MIC4428 MAX4428 NCP4425 (one inverting,
one non-inverting) TC4428 MIC4428 one non-inverting)
UCC37321 MIC4420 NCP4421
Single 9 A inverting MIC4421
MIC4451
UCC37322 MIC4429 NCP4422
Single 9 A non-inverting MIC4422
MIC4452
TEXAS INSTRUMENTS 2Q 2006 MOSFET DRIVERS POWER MANAGEMENT 3
MOSFET Gate Driver Selection Guide
Supply Peak Output On-Time Off-Time Dead
No. of Voltage Input Output Current (Delay (Delay Time Protection
Device Outputs (V) Logic Architecture Architecture (1) (Sink/Source) Rise Time) Fall time) Load Regulator Enable Control Features (2)
General Purpose Low Side Drivers
TPS2811 2 4 to 40 Inverting CMOS Schmitt TrueDrive™ 2 A/2 A 40 ns 40 ns 1 nF Extend Supply Range — — —
TPS2812 2 4 to 40 Non-Inverting CMOS Schmitt TrueDrive™ 2 A/2 A 40 ns 40 ns 1 nF Extend Supply Range — — —
TPS2813 2 4 to 40 Inverting + CMOS Schmitt TrueDrive™ 2 A/2 A 40 ns 40 ns 1 nF Extend Supply Range — — —
Non-Inverting
TPS2814 2 4 to 15 Dual 2-Input CMOS Schmitt TrueDrive™ 2 A/2 A 40 ns 40 ns 1 nF — — — —
AND; 1 Inverting
TPS2815 2 4 to 15 2-Input NAND CMOS Schmitt TrueDrive™ 2 A/2 A 40 ns 40 ns 1 nF — — — —
TPS2816 1 4 to 40 Inverting w/ CMOS Schmitt TrueDrive™ 2 A/2 A 38 ns 1 nF Extend Supply Range — — —
Active Pull-up
TPS2817 1 4 to 40 Non-Inverting w/ CMOS Schmitt TrueDrive™ 2 A/2 A 38 ns 38 ns 1 nF Extend Supply Range — — —
Active Pull-up
TPS2818 1 4 to 40 Inverting CMOS Schmitt TrueDrive™ 2 A/2 A 38 ns 38 ns 1 nF Extend Supply Range — — —
TPS2819 1 4 to 40 Non-Inverting CMOS Schmitt TrueDrive™ 2 A/2 A 38 ns 38 ns 1 nF Extend Supply Range — — —
TPS2828 1 4 to 14 Inverting CMOS Schmitt TrueDrive™ 2 A/2 A 38 ns 38 ns 1 nF — — — —
TPS2829 1 4 to 14 Non-Inverting CMOS Schmitt TrueDrive™ 2 A/2 A 38 ns 38 ns 1 nF — — — —
UC3705 1 5 to 40 2-Input OR; TTL Bipolar 1.5 A/1.5 A 140 ns 140 ns 1 nF — — — TSD
1 Inverting
UC3706 2 5 to 40 Configurable TTL Bipolar 1.5 A/1.5 A 160 ns 160 ns 1 nF — — Inhibit Circuit TSD, OCP
UC3707 2 5 to 40 Non-Inverting TTL Bipolar 1.5 A/1.5 A 90 ns 90 ns 1 nF — — — TSD
UC3708 2 5 to 35 Non-Inverting TTL Bipolar 3 A/3 A — — TSD, UVLO
UC3709 2 5 to 40 Inverting TTL Bipolar 1.5 A/1.5 A — — TSD
UC3710 1 4.7 to 18 2-Input OR; TTL Bipolar 6A/ 6A — — TSD, UVLO
1 Inverting
UCC37321 1 4 to 15 Inverting TTL TrueDrive™ 9 A/9 A 45 ns 55 ns 10 nF — Yes — —
+ Enable
UCC37322 1 4 to 15 Non-Inverting TTL TrueDrive™ 9 A/9 A 45 ns 55 ns 10 nF — Yes — —
+ Enable
UCC37323 2 4 to 15 Inverting TTL TrueDrive™ 4 A/4 A 45 ns 50 ns 1.8 nF — — — —
UCC37324 2 4 to 15 Non-Inverting TTL TrueDrive™ 4 A/4 A 45 ns 50 ns 1.8 nF — — — —
UCC37325 2 4 to 15 Inverting TTL TrueDrive™ 4 A/4 A 45 ns 50 ns 1.8 nF — — — —
+ Non-Inverting
Synchronous Buck Drivers
TPS2830 2 4.5 to 15 Non-Inverting CMOS Schmitt TrueDrive™ 2.4 A/2.4 A 125 ns 125 ns 3.3 nF — Yes Adaptive OVPC
TPS2831 2 4.5 to 15 Inverting CMOS Schmitt TrueDrive™ 2.4 A/2.4 A 125 ns 125 ns 3.3 nF — Yes Adaptive OVPC
TPS2832 2 4.5 to 15 Non-Inverting CMOS Schmitt TrueDrive™ 2.4 A/2.4 A 125 ns 125 ns 3.3 nF — — Adaptive —
TPS2833 2 4.5 to 15 Inverting CMOS Schmitt TrueDrive™ 2.4 A/2.4 A 125 ns 125 ns 3.3 nF — — Adaptive —
TPS2834 2 4.5 to 15 Non-Inverting TTL TrueDrive™ 2.4 A/2.4 A 100 ns 100 ns 3.3 nF — Yes Adaptive OVPC
TPS2835 2 4.5 to 15 Inverting TTL TrueDrive™ 2.4 A/2.4 A 100 ns 100 ns 3.3 nF — Yes Adaptive OVPC
TPS2836 2 4.5 to 15 Non-Inverting TTL TrueDrive™ 2.4 A/2 .4 A 100 ns 100 ns 3.3 nF — — Adaptive —
TPS2837 2 4.5 to 15 Inverting TTL TrueDrive™ 2.4 A/2 .4 A 100 ns 100 ns 3.3 nF — — Adaptive —
TPS2838 2 10 to 15 Non-Inverting TTL TrueDrive™ 4 A/4 A 120 ns 120 ns 3.3 nF Adjustable Gate Drive Yes Adaptive —
TPS2839 2 10 to 15 Inverting TTL TrueDrive™ 4 A/4 A 120 ns 120 ns 3.3 nF Adjustable Gate Drive Yes Adaptive —
TPS2848 2 10 to 15 Non-Inverting TTL TrueDrive™ 4 A/4 A 120 ns 120 ns 3.3 nF Fixed 8 V Gate Drive Yes Adaptive —
TPS2849 2 10 to 15 Inverting TTL TrueDrive™ 4 A/4 A 120 ns 120 ns 3.3 nF Fixed 8 V Gate Drive Yes Adaptive —
UC3714 2 7 to 20 Inverting TTL Bipolar 2 A/1 A 80 ns 75 ns 1 nF — Yes Prog.Delay —
UC3715 2 7 to 20 Non-Inverting TTL Bipolar 1 A/2 A 80 ns 75 ns 1 nF — Yes Prog.Delay —
UCC27221 2 4.15 to 20 Inverted Input TTL TrueDrive™ 3.3 A/3.3 A 81 ns 103 ns 2.2 nF Fixed 6.5 V Gate Drive — PGD(3) —
UCC27222 2 4.15 to 20 Non-Inverting TTL TrueDrive™ 3.3 A/3.3 A 81 ns 103 ns 2.2 nF Fixed 6.5 V Gate Drive — PGD(3) —
(1)
TrueDrive™ technology is the hybrid bipolar/CMOS output architecture for improved current drive capability at low voltages (at Miller Threshold). See page 4 for more information.
(2)
TSD = Thermal ShutDown; OVP = Over-Voltage Protection; OCP = Over-Current Protection; OVPC = Over-Voltage Protection Crowbar; UVLO = Under-Voltage LockOut
(3)
Predictive Gate Drive™ technology
For a copy of the latest Power Management Selection Guide,
go to power.ti.com/selectionguide
4 MOSFET DRIVERS POWER MANAGEMENT TEXAS INSTRUMENTS 2Q 2006
TrueDrive™ Technology
TrueDrive Output Stage VDD
Used in TI’s high current gate drivers and controllers, the
TrueDrive output architecture is constructed of bipolar
and CMOS transistors in parallel. The bipolar transistors
provide maximum gate drive current during the power
MOSFET’s switching transition and the CMOS transistors
Power
are used to pull the output to the rails at the end of the MOSFET
IN
switching transition. TrueDrive technology delivers
OUT
high current at where it is needed most at the MOSFET
Miller plateau region thresholds, and provides switching
efficiency gains.
PGND
MOSFET Switching Cycles
Turn-On Procedure Turn-Off Procedure
PowerPAD™ Packaging
Miller Plateau
Regions
Vgs Vgs
Vth Vth
lg lg
Vds Vds
Exposed Thermal Pad
Ids Ids The PowerPAD thermally enhanced
package provides greater design
flexibility and increased thermal
efficiency in a standard size
STEP 1
STEP 2
STEP 3
STEP 4
STEP 1
STEP 2
STEP 3
STEP 4
IC package.
In a typical switching cycle of a power MOSFET, the critical region that affects the
See “PowerPAD Thermally
switching losses is the Miller Plateau. The switching speed is dependent on sink and
Enhanced Package” technical brief
sink current capability of the output driver, while the MOSFET gate-source voltage is
(SLMA002) and “PowerPAD
between the threshold level and Miller plateau voltage. MOSFET Drivers using
Made Easy” application brief
TrueDrive™Technology, however, can provide efficient current sourcing and sinking
(SLMA004) available at
where it is needed most – at the Miller plateau region.
power.ti.com/mosfetgatedrivers
• Step 1 corresponds to turn-on/turn-off delay. for detailed information.
• Step 2 + Step 3 indicate switching time.
• Step 4 occurs after switching is complete.
TEXAS INSTRUMENTS 2Q 2006 MOSFET DRIVERS POWER MANAGEMENT 5
Fusion Digital Power Control Solutions
UCD7K Family
VIN
Fusion Digital Power Control Drivers:
The UCD7K drivers interface the digital controller Digital Power Controller
to the power stage while providing protection for
the power supply as well as bias for the digital
controller. UCD7K
µC or
DSP 3.3-V
Regulator
Key Features: Engine
• High current gate drivers PWM
PWM Logic Driver(s)
Power
Stage VOUT
Stage
• Programmable analog over-current limit with flag
• On-board 3.3 V, 10-mA linear regulator
I-Limit
E/A
Key Benefits:
COMM
• Interfaces to the power stage
• Fail-proof and flexible overload protection
• Provides power to the digital controller
Available Now
UCD7201PWP Digital control compatible dual low side ±4 A MOSFET driver
UCD7100PWP Digital control compatible single low side ±4 A MOSFET driver with current sense
MOSFET Drivers Power Management
Resources For a complete list of Resources (EVMs, data sheets and application notes), visit power.ti.com
Part Number Description Price
Evaluation Modules (EVMs)
TPS2817 Power Supply Evaluation Module with TPS2817 MOSFET Driver $50
Literature Number Part Number Description
Application Notes
SLUA054 UC3705/6/7/9 New Driver ICs Optimize High-Speed Power MOSFET Switching Characteristics
SLUA105 UC3705/6/7/8/9 Practical Considerations in High-Performance MOSFET, IGBT and MCT Gate
SLUA280 UCC27221/2 Predictive Gate Drive™ Technology FAQs
SLMA002 PowerPAD™ Package PowerPAD Thermally Enhanced Package Technical Brief
SLMA004 Power PAD Package PowerPAD Made Easy Application Brief
SLUA281 UCC27221/2 Predictive Gate Drive Boosts Synchronous DC/DC Power Converter Efficiency
SLUA285 UCC27221/2 Predictive Gate Drive Boosts Synchronous Rectifier Efficiency
For complete technical information on MOSFET Gate Drivers, consult the website at:
power.ti.com/mosfetgatedrivers
Technology for Innovators TM
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A120905
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TrueDrive are trademarks of Texas Instruments. All other trademarks are the property of their respective owners.
© 2006 Texas Instruments Incorporated
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