Datasheet ADuM4137 (Analog Devices) - 3

Data Sheet ADuM4137 FUNCTIONAL BLOCK DIAGRAM VDD2 ADuM4137 FAULT VDD2 V5_1 TSD2 OT_ERROR FAULT LATCH GND FAULT 2 DECODE ENCODE OC_ERROR t ≈ 20µs VL_ERROR VDD2 UVLO2 ECC_ERROR DFAULT VL_ERROR ASC_TRIG ASC DT IASC UVLO2 DELAY 1V HYSTERESIS VI– 9V VDD2 DECODE ENCODE GND V FAULT 1 UVLO2 OC_DET HYSTERESIS LOW_T_OP VOUT_ON VDD1 MILLER_THRESH V V DD1 V OUT_OFF DD1 FAULT VDD2 DRIVE INTERNAL V5_1 ENCODE DECODE LDO OC_ERROR TSD1 INTERNAL REGULATOR VL_ERROR 5V V5_2 UVLO1 LDO ECC_ERROR VI+ ASC_TRIG REGULATOR V5_1 D FAULT FAULT VDD2 OC_DET DRIVE FAULT VOFF_SOFT INF LOW_T_OP FAIL LATCH DRIVER_FAULT DECODE ENCODE = tALM V2LEV t ≈ 12.5ms VL_ERROR DRIVE VI+ DVL V5_1 VI– DT FAULT MILLER_THRESH GATE_SENSE DT TEMP_OUT_PWM V TEMP_OUT DECODE ENCODE MILLER VVL OC_DET MILLER_OUT V5_1 DRIVE LOW_T_OP FAULT IOC1 IPG OC1 OC_ERROR UVLO_FAULT VLOW_TEMP UVLO_LATCH Δt = tdOC I t ~ 12.5ms HYSTERESIS OC2 OC2 VDD1 OT_ERROR SCALING VOC = 2V UVLO1 Δt = t BLOCK dOT VOC_OFF Δt = tVDD1 V GAIN1 UVLO1 HYSTERESIS IT1 VOT TS1 DRIVER_FAULT VT_OFFSET1 GAIN2 MOSI 10 T2 TEMP_OUT_PWM MISO 11 TS2 SPI TSD1 INTERNAL CS 12 TEMPERATURE SAWTOOTH V SENSOR TSD2 T_OFFSET2 13 INTERNAL SCLK GAIN1 TEMPERATURE HYSTERESIS V SENSOR EEPROM T_OFFSET1 GND2 GND 14 GAIN2 1 HYSTERESIS VT_OFFSET2 NOTES 1. VL_ERROR IS THE VOLTAGE LOW ERROR INTERNAL CONNECTION. 2. TEMP_OUT_PWM IS THE TEMPERATURE SENSE INTERNAL CONNECTION. 20. V2LEV IS THE TARGET VOLTAGE REFERENCE FOR TWO LEVEL OPERATION. 3. OC_ERROR IS THE OVERCURRENT ERROR INTERNAL CONNECTION. 21. LOW_T_OP IS THE LOW TEMPERATURE OPERATION TRIGGER. 4. OC_DET IS THE OVERCURRENT DETECTION INTERNAL CONNECTION. 22. DT IS THE DEADTIME INTERNAL CONNECTION. 5. VVL IS THE GATE LOW VOLTAGE REFERENCE VOLTAGE. 23. DFAULT IS THE DRIVE FAULT INTERNAL CONNECTION. 6. ASC_TRIG IS THE ASC SIGNAL INTERNAL CONNECTION. 24. UVLO_LATCH IS THE UNDERVOLTAGE LOCKOUT LATCH TIMER. 7. MILLER_THRESH IS THE MILLER CLAMP ACTIVATION INTERNAL CONNECTION. 25. GAIN1 IS THE REMOTE TEMPERATURE SENSE USER TRIMMABLE GAIN FOR TS1. 8. OT_ERROR IS THE OVERTEMPERATURE ERROR INTERNAL CONNECTION. 26. GAIN2 IS THE REMOTE TEMPERATURE SENSE USER TRIMMABLE GAIN FOR TS2. 9. VT_OFFSET1 IS THE TEMPERATURE SENSE OFFSET VOLTAGE FOR THE TS1 PIN. 27. TSD1 IS THE PRIMARY SIDE THERMAL SHUTDOWN COMMAND. 10. VT_OFFSET2 IS THE TEMPERATURE SENSE OFFSET VOLTAGE FOR TS2 PIN. 28. TSD2 IS THE SECONDARY SIDE THERMAL SHUTDOWN COMMAND. 11. IT1 IS THE INTERNAL CURRENT REFERENCE FOR TS1 PIN. 29. VMILLER IS THE MILLER CLAMP REFERENCE VOLTAGE. 12. IT2 IS THE INTERNAL CURRENT REFERENCE FOR TS2 PIN. 30. INF IS THE DRIVER_FAULT INTERNAL PULL-UP CURRENT SOURCE. 13. VOC_OFF IS THE OVERCURRENT VOLTAGE OFFSET DUE TO TEMPERATURE RAMP. 31. IPG IS THE UVLO_FAULT INTERNAL PULL-UP CURRENT SOURCE. 14. VOC IS THE OVERCURRENT REFERENCE VOLTAGE. 32. VOT IS THE TEMPERATURE SENSE OVERTEMPERATURE REFERENCE. 15. IOC1 IS THE OC1 INTERNAL PULL-UP CURRENT SOURCE. 33. IASC IS THE ASC PIN INTERNAL PULL-UP CURRENT SOURCE. 16. IOC2 IS THE OC2 INTERNAL PULL-UP CURRENT SOURCE. 34. ECC_ERROR IS THE ERROR CORRECTING CODE INTERNAL CONNECTION. 17. VUVLO1 IS THE VDD1 UVLO REFERENCE. 35. tALM IS THE FAULT LATCH HOLD TIME.
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18. VUVLO2 IS THE VDD2 UVLO REFERENCE. 36. UVLO1 IS THE PRIMARY SIDE UVLO INTERNAL CONNECTION. 19. VLOW_TEMP IS THE LOW TEMPERATURE OPERATION REFERENCE. 37. UVLO2 IS THE SECONDARY SIDE UVLO INTERNAL CONNECTION.
17037- Figure 1. Rev. 0 | Page 3 of 28 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 INSULATION AND SAFETY RELATED SPECIFICATIONS DIN V VDE V 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS 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 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 Bit LOW_T_OP Bit OC_BLANK_OP Bit tBLANK[3:0] Bits ECC_OFF_OP Bit T_RAMP_OP Bit PWM_OSC 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 SPI SAFETY PROPAGATION DELAY RELATED PARAMETERS PROTECTION FEATURES Primary Side UVLO Fault Reporting Overcurrent Detection High Speed, Two-Level Turn Off Miller Clamp Thermal Shutdown ASC Pin Functionality Isolated Temperature Sensor Low Temperature Operation Mode FAULTB Pin DRIVER_FAULTB Pin UVLO_FAULTB Pin VDD2 UVLO Fault UVLO_FAULTB Fault, Gate Low Dead Time Control DRIVER_FAULTB Fault, Dead Time Fault Power Dissipation INSULATION LIFETIME DC CORRECTNESS AND MAGNETIC FIELD IMMUNITY TYPICAL APPLICATION CIRCUIT OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS