UCC21750 Texas instruments

UCC21750

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UCC21750

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Описание

The UCC21750 is a galvanic isolated single channel gate driver designed for SiC MOSFETs and IGBTs up to 2121-V DC operating voltage with advanced protection features, best-in-class dynamic performance and robustness. The UCC21750 has up to ±10-A peak source and sink current.The input side is isolated from the output side with SiO2 capacitive isolation technology, supporting up to 1.5-kVRMS working voltage, 12.8-kVPK surge immunity with longer than 40 years Isolation barrier life, as well as providing low part-to-part skew , and > 150-V/ns common mode noise immunity (CMTI).The UCC21750 includes the state-of-art protection features, such as fast overcurrent and short circuit detection, shunt current sensing support, fault reporting, active miller clamp, and input and output side power supply UVLO to optimize SiC and IGBT switching behavior and robustness. The isolated analog to PWM sensor can be used for easier temperature or voltage sensing, further increasing the drivers versatility and simplifying the system design effort, size, and cost.

5.7-kV_RMS single channel isolated gate driver
SiC MOSFETs and IGBTs up to 2121V_pk
33-V maximum output drive voltage (VDD – VEE)
±10-A drive strength and split output
150-V/ns minimum CMTI
200-ns response time fast DESAT protection
4-A Internal active miller clamp
400-mA soft turn-off when fault happens
Isolated analog sensor with PWM output for
- Temperature sensing with NTC, PTC or thermal diode
- High voltage DC-link or phase voltage
Alarm FLT on overcurrent and reset from RST/EN
Fast enable and disable response on RST/EN
Reject < 40-ns noise transient and pulse on input pins
12-V VDD UVLO with power good on RDY
Inputs/outputs with over/under-shoot transient voltage immunity up to 5 V
130-ns (maximum) propagation delay and 30-ns (maximum) pulse/part skew
SOIC-16 DW package with creepage and clearance distance > 8 mm
Operating junction temperature –40°C to 150°C
Safety-related certifications:
- Reinforced insulation per DIN EN IEC 60747-17 (VDE 0884-17)
- UL 1577 component recognition program

Number of channels	1
Isolation rating	Reinforced
Withstand isolation voltage (VISO) (Vrms)	5700
Transient isolation voltage (VIOTM) (VPK)	8400
Power switch	IGBT, SiCFET
Peak output current (A)	10
Features	Active miller clamp, Fault reporting, Integrated analog to PWM sensor, Short circuit protection, Soft turnoff
Output VCC/VDD (max) (V)	33
Output VCC/VDD (min) (V)	13
Input VCC (min) (V)	3
Input VCC (max) (V)	5.5
Propagation delay time (µs)	0.09
Input threshold	CMOS
Operating temperature range (°C)	-40 to 125
Rating	Catalog
Bus voltage (max) (V)	2121
Rise time (ns)	33
Fall time (ns)	27
Undervoltage lockout (typ) (V)	12