17A Peak Gate Drive Optocoupler Broadcom QCFJ-3439T-500UE for Automotive and Industrial Applications
Broadcom QCFJ-3439T Automotive 17A Peak Gate Drive Optocoupler
Product Overview
The Broadcom QCFJ-3439T is a 17A peak smart gate drive optocoupler designed for driving IGBT or MOSFET directly in motor-control and inverter applications. It features high peak output current, a wide operating voltage range, fast propagation delay, and excellent timing skew performance. The device offers integrated IGBT/MOSFET desaturation protection and functional safety reporting, including fault feedback for desaturation, gate status, and UVLO status. Its compact, surface-mountable SO-24 package with 0.8-mm pitch makes it suitable for space-constrained HEV and EV applications. Broadcom R2Coupler isolation products provide reinforced insulation and reliability for critical signal isolation in automotive and high-temperature industrial environments.
Product Attributes
- Brand: Broadcom
- Product Line: R2Coupler
- Package Type: SO-24
- Certifications: AEC-Q100 Grade 1, UL1577, CSA, IEC 60747-5-5
- Operating Temperature Range: -40C to +125C
Technical Specifications
| Parameter | Symbol | Min. | Typ. | Max. | Units | Test Conditions |
|---|---|---|---|---|---|---|
| Peak Output Current | |IOUT(PEAK)| | 10 | A | Maximum pulse width=5 s, maximum duty cycle=1% | ||
| Minimum Miller Clamp Sinking Current | ICLAMP(PEAK) | 5 | A | Maximum pulse width=5 s, maximum duty cycle=1% | ||
| Maximum Propagation Delay (VIN to VOUTP High) | tPLH | 98 | 140 | ns | VIN = 5V, RLED = 260, Rg_on = 2.2, Rg_off = 2.2, Cload = 2.2 nF, f = 10 kHz, Duty cycle = 50% | |
| Maximum Propagation Delay (VIN to VOUTN Low) | tPHL | 95 | 140 | ns | VIN = 5V, RLED = 260, Rg_on = 2.2, Rg_off = 2.2, Cload = 2.2 nF, f = 10 kHz, Duty cycle = 50% | |
| Common-mode Rejection (CMR) | |CMH|, |CML| | 100 | kV/s | TA = 25C, VCM = 1000V | ||
| Input-Output Test Voltage (Method ba) | VPR | 2306 | VPEAK | 100% production test with tm = 1s, partial discharge < 5 pC | ||
| Input-Output Test Voltage (Method aa) | VPR | 1968 | VPEAK | Type and sample test, tm = 10s, partial discharge < 5 pC | ||
| Minimum External Air Gap (Clearance) | L(101) | 8.3 | mm | Measured from input terminals to output terminals, shortest distance through air. | ||
| Minimum External Tracking (Creepage) | L(102) | 8.3 | mm | Measured from input terminals to output terminals, shortest distance path along body. | ||
| Input IC Supply Voltage | VCC1 | 4.5 | 5.5 | V | ||
| Total Output IC Supply Voltage | VCC2 VEE2 | 15 | 25 | V | ||
| Desaturation Sensing Threshold | VDESAT_TH VE | 7.0 | 7.5 | 8.0 | V |
Applications
- IGBT/SiC MOSFET gate driver for traction inverter
- Charger
- HVAC
2410010204_Broadcom-QCFJ-3439T-500UE_C6800671.pdf
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