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ADuM4138

Analog Devices
Part Number ADuM4138
Manufacturer Analog Devices
Description Isolated IGBT Gate Driver
Published Apr 8, 2020
Detailed Description Data Sheet High Voltage, Isolated IGBT Gate Driver with Isolated Flyback Controller ADuM4138 FEATURES 6 A (typical) pe...
Datasheet PDF File ADuM4138 PDF File

ADuM4138
ADuM4138

Overview
Data Sheet High Voltage, Isolated IGBT Gate Driver with Isolated Flyback Controller ADuM4138 FEATURES 6 A (typical) peak drive output capability Internal turn off NFET, on resistance: <1 Ω Internal turn on PFET, on resistance: <1.
2 Ω 2 overcurrent protection methods Desaturation detection Split emitter overcurrent detection Miller clamp output with gate sense input Isolated fault output Isolated temperature sensor readback Propagation delay Rising: 95 ns typical Falling: 100 ns typical Minimum pulse width: 74 ns Operating junction temperature range: −40°C to +150°C VDD1 and VDD2 UVLO Minimum external tracking (creepage): 8.
3 mm (pending) Safety and regulatory approvals 5000 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 849 VPEAK (reinforced/basic) Qualified for automotive applications APPLICATIONS MOSFET and IGBT gate drivers Photovoltaic (PV) inverters Motor drives Power supplies GENERAL DESCRIPTION The ADuM4138 is a single-channel gate driver optimized for driving insulated gate bipolar transistors (IGBTs).
Analog Devices, Inc.
, iCoupler® technology provides isolation between the input signal and the output gate drive.
The Analog Devices chip scale transformers also provide isolated communication of control information between the high voltage and low voltage domains of the chip.
Information on the status of the chip can be read back from the dedicated outputs.
The ADuM4138 includes an isolated flyback controller, allowing simple secondary voltage generation.
Overcurrent detection is integrated in the ADuM4138 to protect the IGBT in case of desaturation and/or overcurrent events.
The overcurrent detection is coupled with a high speed, two-level turn off function in case of faults.
The ADuM4138 provides a Miller clamp control signal for a metal-oxide semiconductor field effect transistor (MOSFET) to provide IGBT turn off, with a single rail supply when the Miller clamp voltage threshold drop...


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