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UCC21750QDWQ1 +BOM

Automotive 5.7kVrms, ±10A single-channel isolated gate driver w/ DESAT & internal clamp for IGBT/SiC

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

UCC21750QDWQ1
Datasheet:

UCC21750QDWQ1 Datasheet (PDF)
Series:

Automotive, AEC-Q100
Technology:

Capacitive Coupling
Number of Channels:

1
Voltage - Isolation:

5700Vrms
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UCC21750QDWQ1 General Description

The UCC21750-Q1 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-Q1 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-kV_RMS working voltage, 12.8-kV_PK 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-Q1 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.

Key Features

5.7-kV_RMS single channel isolated gate driver
AEC-Q100 qualified for automotive applications
- Device temperature grade 0: -40°C to +150°C ambient operating temperature range
- Device HBM ESD classification level 3A
- Device CDM ESD classification level C6
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

Specifications

Category	IsolatorsIsolators - Gate Drivers	Series	Automotive, AEC-Q100
Technology	Capacitive Coupling	Number of Channels	1
Voltage - Isolation	5700Vrms	Common Mode Transient Immunity (Min)	150V/ns
Propagation Delay tpLH / tpHL (Max)	130ns, 130ns	Pulse Width Distortion (Max)	30ns
Rise / Fall Time (Typ)	33ns, 27ns	Current - Output High, Low	-
Current - Peak Output	10A	Voltage - Forward (Vf) (Typ)	-
Voltage - Output Supply	13V ~ 33V	Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount	Approval Agency	CQC, CSA, TUV, UL, VDE
Base Product Number	UCC21750	Number of channels	1
Isolation rating	Reinforced	Withstand isolation voltage (VISO) (Vrms)	5700
Working isolation voltage (VIOWM) (Vrms)	2121	Transient isolation voltage (VIOTM) (VPK)	8000
Power switch	IGBT, SiCFET	Peak output current (A)	10
Features	Active miller clamp, Fault reporting, Integrated analog to PWM sensor, Power good, Short circuit protection, Soft turn-off	Output VCC/VDD (max) (V)	33
Output VCC/VDD (min) (V)	13	Input VCC (min) (V)	3
Input VCC (max) (V)	5.5	TI functional safety category	Functional Safety Quality-Managed
Propagation delay time (µs)	0.09	Input threshold	CMOS
Operating temperature range (°C)	-40 to 125	Rating	Automotive
Bus voltage (max) (V)	2121	Rise time (ns)	33
Fall time (ns)	27	Undervoltage lockout (typ) (V)	12