BD39040MUF-CE2 ROHM

Datasheet Supervisor IC System Power Good + Watchdog Timer + Reset for Automotive BD39040MUF-C General Description Key Specifications BD39040MUF-C is a supervisor IC with quad power VDD Input Voltage Range: 2.7 V to 5.5 V good, Watchdog timer and reset. This IC enables existing (VDD voltage level needs to be fixed within this range system to improve its ASIL level easily. in 10% accuracy to avoid RSTIN reset detection) The BD39040MUF-C includes built-in self-test (BIST). Detection Voltage (VDD POR/Power Good) Under Voltage Detection: -10 % (3 % accuracy) Over Voltage Detection: +10 % (3 % accuracy) Features (Note 1) Reset Off Time: 10 ms AEC-Q100 Qualified Operating Temperature Range: -40 C to +125 C Quad Power Good for External Inputs Over Voltage Detection (OVD) Under Voltage Detection (UVD) Special Characteristics Adjustable Window Watchdog Timer(WDT) Reference Voltage Accuracy Reset for VDD Input (POR) Under Voltage Detection: 3.0 % Built-in Self-test (BIST) Over Voltage Detection: 3.0 % (Note 1) Grade 1 Applications Package W (Typ) x D (Typ) x H (Max) Automotive for ADAS VQFN16FV3030 3.00 mm x 3.00 mm x 1.00 mm Camera Module Microwave Module Power Train ECU Other ECU Close-up VQFN16FV3030 Typical Application Circuit Wettable Flank Package Battery VO1 RSTIN XRSTOUT VDD VO2 DIN1 PG1 VO3 DIN2 PG2 PMIC/ Discrete DCDC VO4 BD39040MUF-C DIN3 PG3 Processor VO5 DIN4 PG4 WDIN WDEN RTW WDOUT GND Product structure : Silicon integrated circuit This product has no designed protection against radioactive rays www.rohm.com TSZ02201-0A3A0AM00460-1-2 2017 ROHM Co., Ltd. All rights reserved. 1/26 TSZ22111 14 001 15.Feb.2019 Rev.001 BD39040MUF-C Contents General Description ................................................................................................................................................................ 1 Features ................................................................................................................................................................................. 1 Applications ............................................................................................................................................................................ 1 Key Specifications ................................................................................................................................................................... 1 Special Characteristics ............................................................................................................................................................ 1 Package ............................................................................................................................................................................. 1 Typical Application Circuit ........................................................................................................................................................ 1 Pin Configuration .................................................................................................................................................................... 3 Pin Descriptions ...................................................................................................................................................................... 3 Block Diagram ........................................................................................................................................................................ 4 Absolute Maximum Ratings ..................................................................................................................................................... 9 Thermal Resistance ................................................................................................................................................................ 9 Recommended Operating Conditions ...................................................................................................................................... 9 Electrical Characteristics ..................................................................................................................................................... 10 Typical Performance Curves .................................................................................................................................................. 12 Timing Chart ......................................................................................................................................................................... 16 Application Example.............................................................................................................................................................. 20 Operational Notes ................................................................................................................................................................. 22 Ordering Information ............................................................................................................................................................. 24 Marking Diagram................................................................................................................................................................... 24 Physical Dimension and Packing Information ......................................................................................................................... 25 Revision History .................................................................................................................................................................... 26 www.rohm.com TSZ02201-0A3A0AM00460-1-2 2/26 2017 ROHM Co., Ltd. All rights reserved. 15.Feb.2019 Rev.001 TSZ22111 15 001