UCC27524A-Q1 Texas instruments

UCC27524A-Q1

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UCC27524A-Q1

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Описание

The UCC27524A-Q1 device is a dual-channel, high-speed, low-side, gate-driver device capable of effectively driving MOSFET and IGBT power switches. The UCC27524A-Q1 device is a variant of the UCC2752x family. The UCC27524A-Q1 device adds the ability to handle 5 V directly at the input pins for increased robustness. The UCC27524A-Q1 device is a dual, non-inverting driver. Using a design that inherently minimizes shoot-through current, the UCC27524A-Q1 device is capable of delivering high-peak current pulses of up to 5-A source and 5-A sink into capacitive loads along with rail-to-rail drive capability and extremely small propagation delay (typically 13 ns). In addition, the drivers feature matched, internal-propagation delays between the two channels which are very well suited for applications requiring dual-gate drives with critical timing, such as synchronous rectifiers. This also enables connecting two channels in parallel to effectively increase current-drive capability or driving two switches in parallel with a single input signal. The input pin thresholds are based on TTL and CMOS compatible low-voltage logic, which is fixed and independent of the VDD supply voltage. Wide hysteresis between the high and low thresholds offers excellent noise immunity. For protection purposes, internal pull-up and pull-down resistors on the input pins of the UCC27524A-Q1 device ensure that outputs are held LOW when input pins are in floating condition. The UCC27524A-Q1 device features enable pins (ENA and ENB) to have better control of the operation of the driver applications. The pins are internally pulled up to VDD for active-high logic and are left open for standard operation. The UCC27524A-Q1 devices is available in SOIC-8 (D) and MSOP-PowerPAD-8 with exposed pad (DGN) packages.

Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results
- Device Temperature Grade 1
- Device HBM ESD Classification Level H2
- Device CDM ESD Classification Level C4B
Industry-Standard Pin Out
Two Independent Gate-Drive Channels
5-A Peak Source and Sink-Drive Current
Independent Enable Function for Each Output
TTL and CMOS-Compatible Logic Threshold
Independent of Supply Voltage
Hysteretic-Logic Thresholds for High-Noise
Immunity
Ability to Handle Negative Voltages (–5 V) at
Inputs
Inputs and Enable Pin-Voltage Levels Not
Restricted by V_DD Pin Bias Supply Voltage
4.5-V to 18-V Single-Supply Range
Outputs Held Low During V_DD-UVLO, (ensures
glitch-free operation at power-up and power-
down)
Fast Propagation Delays (13-ns typical)
Fast Rise and Fall Times (7-ns and 6-ns typical)
1-ns Typical Delay Matching Between 2-Channels
Ability to Parallel Two Outputs for High-Drive
Current
Outputs Held in LOW When Inputs are Floating
SOIC-8 and MSOP-8 PowerPad™ Package Options
Operating Temperature Range of –40°C to 140°C

Number of channels	2
Power switch	GaNFET, IGBT, MOSFET
Peak output current (A)	5
Input VCC (min) (V)	4.5
Input VCC (max) (V)	18
Features	Enable pin
Operating temperature range (°C)	-40 to 140
Rise time (ns)	7
Fall time (ns)	6
Propagation delay time (µs)	0.013
Input threshold	CMOS, TTL
Channel input logic	Dual, Non-Inverting
Input negative voltage (V)	-5
Rating	Automotive
Undervoltage lockout (typ) (V)	4
Driver configuration	Dual, Non-Inverting