Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsPMICsPMIC - gate drivers Inverting Low side SOT 23 5

GND

IN+/IN-

VDD

OUT

UCC27518/19

4.5 V to 18 V

EN V+

UCC27518

UCC27519

www.ti.com

SLUSB33 –MAY 2012

Single Channel High-Speed, Low-Side Gate Driver

(Based On CMOS Input Threshold with 4-A Peak Source and 4-A Peak Sink)

Check for Samples: UCC27518 , UCC27519

FEATURES

APPLICATIONS

• Low-Cost, Gate-Driver Device Offering • Switch-Mode Power Supplies

Superior Replacement of NPN and PNP

• DC-to-DC Converters

Discrete Solutions

• Companion Gate Driver Devices for Digital

• Pin-to-Pin Compatible With TI's TPS2828 and

Power Controllers

the TPS2829

• Solar Power, Motor Control, UPS

• 4-A Peak Source and 4-A Peak Sink

• Gate Driver for Emerging Wide Band-Gap

Symmetrical Drive

Power Devices (such as GaN)

• Fast Propagation Delays (17-ns typical)

• Fast Rise and Fall Times (8-ns and 7-ns DESCRIPTION

typical)

The UCC27518 and UCC27519 single-channel, high-

speed, low-side gate driver device is capable of

• 4.5-V to 18-V Single Supply Range

effectively driving MOSFET and IGBT power

• Outputs Held Low During VDD UVLO (ensures

switches. Using a design that inherently minimizes

glitch free operation at power-up and power-

shoot-through current, UCC27518 and UCC27519

down)

are capable of sourcing and sinking high, peak-

• CMOS Input Logic Threshold (function of

current pulses into capacitive loads offering rail-to-rail

drive capability and extremely small propagation

supply voltage with hysteresis)

delay typically 17 ns.

• Hysteretic Logic Thresholds for High Noise

Immunity

The UCC27518 and UCC27519 provide 4-A source,

4-A sink (symmetrical drive) peak-drive current

• EN Pin for Enable Function (allowed to be no

capability at VDD = 12 V.

connect)

The UCC27518 and UCC27519 are designed to

• Output Held Low when Input Pins are Floating

operate over a wide VDD range of 4.5 V to 18 V and

• Input Pin Absolute Maximum Voltage Levels

wide temperature range of -40°C to 140°C. Internal

Not Restricted by VDD Pin Bias Supply

Under Voltage Lockout (UVLO) circuitry on VDD pin

Voltage

holds output low outside VDD operating range. The

• Operating Temperature Range of -40°C to

capability to operate at low voltage levels such as

140°C

below 5 V, along with best in class switching

characteristics, is especially suited for driving

• 5-Pin DBV Package (SOT-23)

emerging wide band-gap power switching devices

such as GaN power semiconductor devices.

Typical Application Diagrams

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.

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.

Summary of content (25 pages)

PAGE 1
UCC27518 UCC27519 www.ti.
PAGE 2
UCC27518 UCC27519 SLUSB33 – MAY 2012 www.ti.com DESCRIPTION (CONT.) The input pin threshold of the UCC27518 and UCC27519 are based on CMOS logic where the threshold voltage is a function of the VDD supply voltage. Typically Input High Threshold (VIN-H) is 55% VDD and Input Low Threshold (VIN-L) is 39% VDD.
PAGE 3
UCC27518 UCC27519 www.ti.com SLUSB33 – MAY 2012 ABSOLUTE MAXIMUM RATINGS (1) (2) (3) over operating free-air temperature range (unless otherwise noted) Supply voltage range VDD OUT voltage MIN MAX -0.3 20 IOUT_DC (source/sink) Output pulsed current (0.5 µs) IOUT_pulsed(source/sink) 0.3 -0.
PAGE 4
UCC27518 UCC27519 SLUSB33 – MAY 2012 www.ti.com RECOMMENDED OPERATING CONDITIONS over operating free-air temperature range (unless otherwise noted) MIN TYP Supply voltage range, VDD 4.5 12 18 V Operating junction temperature range -40 140 °C 0 18 V Input voltage, (IN+ and IN-) and Enable (EN) MAX UNIT ELECTRICAL CHARACTERISTICS VDD = 12 V, TA = TJ = -40°C to 140°C, 1-µF capacitor from VDD to GND. Currents are positive into, negative out of the specified terminal.
PAGE 5
UCC27518 UCC27519 www.ti.com SLUSB33 – MAY 2012 ELECTRICAL CHARACTERISTICS (continued) VDD = 12 V, TA = TJ = -40°C to 140°C, 1-µF capacitor from VDD to GND. Currents are positive into, negative out of the specified terminal. PARAMETER TEST CONDITION MIN TYP MAX UNITS Source/Sink Current ISRC/SNK Source/sink peak current (1) CLOAD = 0.
PAGE 6
UCC27518 UCC27519 SLUSB33 – MAY 2012 www.ti.com High Input Low High Enable Low 90% Output 10% tD1 tD1 UDG-11219 Figure 1. Non-Inverting Configuration (IN+ pin, UCC27519) High Input Low High Enable Low 90% Output 10% tD2 tD2 UDG-11220 Figure 2.
PAGE 7
UCC27518 UCC27519 www.ti.com SLUSB33 – MAY 2012 High Input Low High Enable Low 90% Output 10% tD3 tD4 UDG-11217 Figure 3. Enable and Disable Function (non-inverting configuration, UCC27519) High Input Low High Enable Low 90% Output 10% tD3 tD4 UDG-11218 Figure 4.
PAGE 8
UCC27518 UCC27519 SLUSB33 – MAY 2012 www.ti.
PAGE 9
UCC27518 UCC27519 www.ti.com SLUSB33 – MAY 2012 UCC27518 SOT-23 DBV (Top View) EN 1 GND 2 IN- 3 5 VDD 4 OUT UCC27519 SOT-23 DBV (Top View) EN 1 GND 2 IN+ 3 5 VDD 4 OUT TERMINAL FUNCTIONS TERMINAL I/O FUNCTION PIN NUMBER NAME 1 EN I Enable input: (EN biased LOW disables output regardless of Input state, EN biased high or floating enables output, EN is allowed to float hence it is pin-to-pin compatible with TPS282X N/C pin) 2 GND - Ground: All signals referenced to this pin.
PAGE 10
UCC27518 UCC27519 SLUSB33 – MAY 2012 www.ti.com TYPICAL CHARACTERISTICS START-UP CURRENT vs TEMPERATURE OPERATING SUPPLY CURRENT vs TEMPERATURE (Output Switching) 0.12 3.5 0.1 IDD (mA) Startup Current (mA) 0.11 4 IN+=Low,IN−=Low IN+=High, IN−=Low 0.09 0.08 0.07 VDD = 3.4 V 0 50 Temperature (°C) 100 2 −50 150 100 150 G013 Figure 6. SUPPLY CURRENT vs TEMPERATURE (Output in DC On/Off condition) UVLO THRESHOLD VOLTAGE vs TEMPERATURE 4.
PAGE 11
UCC27518 UCC27519 www.ti.com SLUSB33 – MAY 2012 TYPICAL CHARACTERISTICS (continued) OUTPUT PULL-DOWN RESISTANCE vs TEMPERATURE RISE TIME vs TEMPERATURE 1 8 VDD = 12 V CLoad = 1.8 nF 0.8 7 Rise Time (ns) Pull−Down Resistance (Ω) ROL 0.6 0.4 6 5 0.2 −50 0 50 Temperature (°C) 100 4 −50 150 100 150 G000 Figure 12. FALL TIME vs TEMPERATURE INPUT TO OUTPUT PROPAGATION DELAY vs TEMPERATURE 20 VDD = 12 V CLoad = 1.
PAGE 12
UCC27518 UCC27519 SLUSB33 – MAY 2012 www.ti.com TYPICAL CHARACTERISTICS (continued) FALL TIME vs SUPPLY VOLTAGE 10 Fall Time (ns) 8 6 4 2 0 4 8 12 Supply Voltage (V) 16 20 G009 Figure 17. APPLICATION INFORMATION Introduction High-current gate driver devices are required in switching power applications for a variety of reasons.
PAGE 13
UCC27518 UCC27519 www.ti.com SLUSB33 – MAY 2012 UCC2751x Product Family The UCC2751x family of gate driver products (Table 3) represent Texas Instruments’ latest generation of singlechannel, low-side high-speed gate driver devices featuring high-source/sink current capability, industry best-inclass switching characteristics and a host of other features (Table 4) all of which combine to ensure efficient, robust and reliable operation in high-frequency switching power circuits. Table 3.
PAGE 14
UCC27518 UCC27519 SLUSB33 – MAY 2012 www.ti.com Typical Application Diagram Typical application diagram of UCC27518 and UCC27519 devices is shown below. UCC27518/19 EN 1 EN VDD 4.5 V to 18 V V+ 5 C1 2 GND 3 IN+/IN- Q1 R1 IN OUT 4 Figure 18. Typical Application Diagram VDD and Undervoltage Lockout The UCC2751x devices have internal Under Voltage LockOut (UVLO) protection feature on the VDD pin supply circuit blocks. Whenever the driver is in UVLO condition (i.e.
PAGE 15
UCC27518 UCC27519 www.ti.com SLUSB33 – MAY 2012 Operating Supply Current The UCC27518 and UCC27519 features very low quiescent IDD currents. The typical operating supply current in Under Voltage LockOut (UVLO) state and fully-on state (under static and switching conditions) are summarized in Figure 5, Figure 6 and Figure 7.
PAGE 16
UCC27518 UCC27519 SLUSB33 – MAY 2012 www.ti.com Output Stage The UCC27518 and UCC27519 are capable of delivering 4-A source, 4-A sink (symmetrical drive) at VDD = 12 V. The output stage of the UCC27518 and UCC27519 devices are illustrated in Figure 21.
PAGE 17
UCC27518 UCC27519 www.ti.com SLUSB33 – MAY 2012 Power Dissipation Power dissipation of the gate driver has two portions as shown in equation below: PDISS = PDC + PSW (1) The DC portion of the power dissipation is PDC = IQ x VDD where IQ is the quiescent current for the driver.
PAGE 18
UCC27518 UCC27519 SLUSB33 – MAY 2012 www.ti.com Low Propagation Delays The UCC27518 and UCC27519 driver device features best-in-class input-to-output propagation delay of 17 ns (typ) at VDD = 12 V. This promises the lowest level of pulse transmission distortion available from industry standard gate driver devices for high-frequency switching applications.
PAGE 19
PACKAGE OPTION ADDENDUM www.ti.
PAGE 20
PACKAGE OPTION ADDENDUM www.ti.
PAGE 21
PACKAGE MATERIALS INFORMATION www.ti.com 26-Jan-2013 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) UCC27518DBVR SOT-23 DBV 5 3000 179.0 8.4 B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant 3.2 3.2 1.4 4.0 8.0 Q3 UCC27518DBVT SOT-23 DBV 5 250 179.0 8.4 3.2 3.2 1.4 4.0 8.0 Q3 UCC27519DBVR SOT-23 DBV 5 3000 179.0 8.4 3.2 3.2 1.4 4.0 8.
PAGE 22
PACKAGE MATERIALS INFORMATION www.ti.com 26-Jan-2013 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) UCC27518DBVR SOT-23 DBV 5 3000 203.0 203.0 35.0 UCC27518DBVT SOT-23 DBV 5 250 203.0 203.0 35.0 UCC27519DBVR SOT-23 DBV 5 3000 203.0 203.0 35.0 UCC27519DBVT SOT-23 DBV 5 250 203.0 203.0 35.
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