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Si82394BD4-IS 데이터시트(PDF) 1 Page - Silicon Laboratories |
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Si82394BD4-IS 데이터시트(HTML) 1 Page - Silicon Laboratories |
1 / 38 page Si8239x Data Sheet 4.0 A ISODrivers with 2.5 V VDDI and Safety Features The Si8239x combines two isolated drivers with either an independent input control or a single input into a single package for high power applications. All drivers operate with a 2.5 V input VDD and a maximum drive supply voltage of 24 V. The Si8239x isolators are ideal for driving power MOSFETs and IGBTs used in a wide variety of switched power and motor control applications. These drivers utilize Silicon Laboratories' proprietary silicon isolation technology, supporting up to 5 kVRMS with- stand voltage. This technology enables high CMTI (100 kV/µs), lower prop delays and skew, reduced variation with temperature and age and tighter part-to-part matching. It also offers some unique features such as an output UVLO fault detection and feed- back, and automatic shutdown for both drivers, an EN (active high) instead of a DIS (ac- tive low) pin, a safe delayed start-up time of 1 ms, fail-safe drivers with default low in case of VDDI power-down, and dead time programmability. The Si8239x family offers longer service life and dramatically higher reliability compared to opto-coupled gate driv- ers. Applications • Power Delivery Systems • Motor Control Systems • Isolated DC-DC Power Supplies • Lighting Control Systems • Solar and Industrial Inverters Safety Approvals (Pending) • UL 1577 recognized • Up to 5000 Vrms for 1 minute • CSA component notice 5A approval • IEC 60950-1 • VDE certification conformity • VDE 0884-10 • EN 60950-1 (reinforced insulation) • CQC certification approval • GB4943.1 KEY FEATURES • Two isolated drivers in one package • Up to 5 kVRMS isolation • Up to 1500 VDC peak driver-to-driver differential voltage • Enhanced output UVLO safety • Status feedback to controller • Both outputs drive low on UVLO • EN pin for enhanced safety • Extended VDDI: 2.5 V – 5.5 V • PWM and dual driver versions • 4.0 A peak output • High electromagnetic immunity • Extended start-up time (1ms) for safe initialization sequence • 30 ns propagation delay • Transient immunity: 100 kV/µs • Programmable dead time • 10–200 ns • 40–400 ns • Deglitch option for filtering noise • Wide operating range • –40 to +125 °C • RoHS-compliant packages • SOIC-16 wide body • SOIC-16 narrow body • AEC-Q100 qualified silabs.com | Smart. Connected. Energy-friendly. Rev. 0.9 |
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