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UCC5881QDFCRQ1: 20A Adjustable IGBT/SiC MOSFET Isolated Gate Driver, SSOP-32

The UCC5881QDFCRQ1 is a highly configurable isolated gate driver with adjustable drive strength, designed for driving high-power SiC MOSFETs and IGBTs in electric vehicle/hybrid vehicle applications. The device provides power transistor protection features such as overcurrent protection based on a shunt resistor, over-temperature protection (PTC, NTC, or diode), and DESAT detection, including selectable soft shutdown or two-stage soft shutdown during these faults. An integrated 10-bit ADC enables monitoring of up to two analogue inputs, VCC2, DESAT, and the gate driver temperature, enhancing system management.

UCC5881QDFCRQ1 Product Attributes:

Technology: Capacitive coupling

Number of channels: 1

Voltage - Isolation: 5000Vrms

Propagation delay tpLH / tpHL (Max): 150ns, 150ns

Rise/fall time (Typical): 55ns, 55ns

Current - Output High/Low

Current - Peak Output: 20A

Voltage - Output Supply: 12V to 30V

Operating Temperature: -40°C to 125°C

Mounting Type: Surface Mount

Package/Case: 32-BSSOP (0.295", 7.50mm Width)

Supplier Device Package: 32-SSOP

UCC5881QDFCRQ1 Product Features:

Dual-output driver with real-time variable drive strength

±15A and ±5A drive current outputs

Digital input pin (GD*) for drive strength adjustment without SPI

3 resistor settings: R1, R2 or R1||R2

Integrated 4A active Miller clamp for Miller clamp transistors or optional external driver

Supports primary and secondary side active short circuit (ASC)

Internal and external supply under-voltage and over-voltage protection

Driver core temperature detection and over-temperature protection

Short-circuit protection:

110ns response time for DESAT events

DESAT protection – withstands voltages up to 14V

Shunt resistor-based short-circuit (SC) and overcurrent (OC) protection

Configurable protection thresholds and blanking time

Programmable soft shutdown (STO) and two-stage soft shutdown (2STO) current

Integrated 10-bit ADC

Capable of measuring power switch temperature, DC link voltage, driver core temperature, DESAT pin voltage, VCC2 voltage

Programmable digital comparator

Advanced VCE/VDS clamping circuitry

Integrated 10-bit ADC Capable of measuring power switch temperature, DC link voltage, driver core temperature, DESAT pin voltage, VCC2 voltage

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