Datasheet ADuM3224/ADuM4224 (Analog Devices)

ManufacturerAnalog Devices
Description5kV rms Isolated Precision Half-Bridge Driver, 4A Output for Automotive
Pages / Page19 / 1 — Isolated Precision Half-Bridge Driver,. 4 A Output. Data Sheet. …
RevisionB
File Size565 Kb

Isolated Precision Half-Bridge Driver,. 4 A Output. Data Sheet. ADuM3224/. ADuM4224. FEATURES. FUNCTIONAL BLOCK DIAGRAM

Datasheet ADuM3224/ADuM4224 Analog Devices, Revision: B

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Isolated Precision Half-Bridge Driver, 4 A Output Data Sheet ADuM3224/ ADuM4224 FEATURES FUNCTIONAL BLOCK DIAGRAM 4 A peak output current Working voltage ADuM3224/ VIA 1 16 V ADuM4224 DDA High-side or low-side relative to input: 537 V peak High frequency operation: 1 MHz maximum V 2 ENCODE DECODE IB 15 VOA 3.3 V to 5 V CMOS input logic VDD1 3 14 GNDA 4.5 V to 18 V output drive Secondary UVLO GND1 4 13 NC ADuM3224A/ ADuM4224A U VLO at 4.1 V VDDA/VDDB DISABLE 5 12 NC ADuM3224B/ ADuM4224B UV LO at 6.9 V VDDA/VDDB ADuM3224C/ ADuM4224C U VLO at 10.5 V VDDA/VDDB NC 6 11 VDDB Precise timing characteristics NC 7 ENCODE DECODE 10 VOB 59 ns maximum isolator and driver propagation delay 5 ns maximum channel-to-channel matching VDD1 8 9 GNDB
001
CMOS input logic levels
1-
NC = NO CONNECT
179 1
High common-mode transient immunity: >25 kV/μs
Figure 1.
Enhanced system-level ESD performance per IEC 61000-4-x High junction temperature operation: 125°C GENERAL DESCRIPTION Default low output
TheADuM3224/ADuM42241 are 4 A isolated, half-bridge gate
Safety and regulatory approvals
drivers that employ the Analog Devices, Inc., iCoupler® technology
ADuM3224 nar row-body, 16-lead SOIC
to provide independent and isolated high-side and low-side
UL recognition per UL 1577
outputs. The ADuM3224 provides 3000 V rms isolation in the
3000 V rms for 1 minute SOIC long package
narrow-body, 16-lead SOIC package, and the ADuM4224 provides
CSA Component Acceptance Notice 5A
5000 V rms isolation in the wide-body, 16-lead SOIC package.
VDE certificate of conformity (pending)
Combining high speed CMOS and monolithic transformer
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
technology, these isolation components provide outstanding
VIORM = 560 V peak
performance characteristics superior to the alternatives, such as
ADuM4224 wi de-body, 16-lead SOIC
the combination of pulse transformers and gate drivers.
UL recognition per UL 1577
The ADuM3224/ADuM4224 isolators each provide two
5000 V rms for 1 minute SOIC long package
independent isolated channels. They operate with an input
CSA Component Acceptance Notice 5A
supply ranging from 3.0 V to 5.5 V, providing compatibility
VDE certificate of conformity (pending)
with lower voltage systems. In comparison to gate drivers
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
employing high voltage level translation methodologies, the
VIORM = 849 V peak
ADuM3224/ADuM4224 offer the benefit of true, galvanic
Qualified for automotive applications
isolation between the input and each output. Each output can
APPLICATIONS
be continuously operated up to 537 V peak relative to the input,
Switching power supplies
thereby supporting low-side switching to negative voltages. The
Isolated IGBT/MOSFET gate drives
differential voltage between the high-side and low-side can be as
Industrial inverters
high as 800 V peak. As a result, the ADuM3224/ADuM4224 provide reliable control over the switching characteristics of IGBT/MOSFET configurations over a wide range of positive or negative switching voltages. 1 Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,239. Other patents pending.
Rev. B Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 781.329.4700 ©2013–2015 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. Technical Support www.analog.com
Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS—5 V OPERATION ELECTRICAL CHARACTERISTICS—3.3 V OPERATION PACKAGE CHARACTERISTICS INSULATION AND SAFETY RELATED SPECIFICATIONS ADuM3224 Specifications ADuM4224 Specifications REGULATORY INFORMATION DIN V VDE V 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS RECOMMENDED OPERATING CONDITIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION PRINTED CIRCUIT BOARD LAYOUT UNDERVOLTAGE LOCKOUT PROPAGATION DELAY-RELATED PARAMETERS THERMAL LIMITATIONS AND SWITCH LOAD CHARACTERISTICS OUTPUT LOAD CHARACTERISTICS BOOTSTRAPPED HALF-BRIDGE OPERATION DC CORRECTNESS AND MAGNETIC FIELD IMMUNITY POWER CONSUMPTION INSULATION LIFETIME OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS