link to page 1 link to page 1 link to page 1 link to page 2 link to page 3 link to page 4 link to page 4 link to page 7 link to page 7 link to page 8 link to page 8 link to page 9 link to page 9 link to page 9 link to page 10 link to page 10 link to page 10 link to page 11 link to page 12 link to page 13 link to page 14 link to page 14 link to page 14 link to page 14 link to page 15 link to page 15 link to page 15 link to page 17 link to page 18 link to page 18 link to page 22 link to page 22 link to page 23 link to page 23 link to page 24 link to page 24 link to page 24 ADuM4138Data SheetTABLE OF CONTENTS Features .. 1 Theory of Operation .. 13 Applications ... 1 Applications Information .. 14 General Description ... 1 PCB Layout ... 14 Revision History ... 2 Isolated Flyback Controller ... 14 Functional Block Diagram .. 3 SPI and EEPROM Operation.. 14 Specifications ... 4 User Register Map .. 15 Electrical Characteristics ... 4 User Register Bits ... 15 SPI Timing Specifications ... 7 Configuration Register Bits... 15 Package Characteristics ... 7 Control Register Bits .. 17 Regulatory Information (Pending) .. 8 Propagation Delay Related Parameters ... 18 Insulation and Safety-Related Specifications .. 8 Protection Features .. 18 DIN V VDE V 0884-10 (VDE V 0884-10) Insulation Power Dissipation... 22 Characteristics (Pending) .. 9 Insulation Lifetime ... 22 Recommended Operating Conditions .. 9 DC Correctness and Magnetic Field Immunity ... 23 Absolute Maximum Ratings .. 10 Typical Application Circuit ... 23 Thermal Resistance .. 10 Outline Dimensions ... 24 ESD Caution .. 10 Ordering Guide .. 24 Pin Configuration and Function Descriptions ... 11 Automotive Products ... 24 Typical Performance Characteristics ... 12 REVISION HISTORY 12/2018—Revision 0: Initial Version Rev. 0 | Page 2 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ELECTRICAL CHARACTERISTICS SPI TIMING SPECIFICATIONS SPI Timing Diagram PACKAGE CHARACTERISTICS REGULATORY INFORMATION (PENDING) INSULATION AND SAFETY-RELATED SPECIFICATIONS DIN V VDE V 0884-10 (VDE V 0884-10):2016-12 INSULATION CHARACTERISTICS (PENDING) RECOMMENDED OPERATING CONDITIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION PCB LAYOUT ISOLATED FLYBACK CONTROLLER SPI AND EEPROM OPERATION SPI Programming USER REGISTER MAP USER REGISTER BITS OFFSET_2[5:0] Bits GAIN_2[5:0] Bits OFFSET_1[5:0] Bits GAIN_1[5:0] Bits CONFIGURATION REGISTER BITS OT_FAULT_OP Bit OT_FAULT_SEL Bit OC_TIME_OP Bit OC_2LEV_OP Bits LOW_T_OP Bit OC_BLANK_OP Bit tBLANK[3:0] Bits ECC_OFF_OP Bit FLYBACK_V[3:0] Bits T_RAMP_OP Bit PWM_OSC Bit CONTROL REGISTER BITS ECC2_DBL_ERR Bit ECC2_SNG_ERR Bit ECC1_DBL_ERR Bit ECC1_SNG_ERR Bit PROG_BUSY Bit SIM_TRIM Bit PROPAGATION DELAY RELATED PARAMETERS PROTECTION FEATURES Primary Side UVLO Fault Reporting Overcurrent Detection High Speed, Two-Level, Turn Off Miller Clamp Desaturation Detection Thermal Shutdown Isolated Temperature Sensor POWER DISSIPATION INSULATION LIFETIME DC CORRECTNESS AND MAGNETIC FIELD IMMUNITY TYPICAL APPLICATION CIRCUIT OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS