Datasheet BV2HC045EFU-C (Rohm) - 6

BV2HC045EFU-C Thermal Resistance
(Note 1) Thermal Resistance (Typ) Parameter Symbol Unit 1s(Note 3) 2s2p(Note 4) HSSOP-C16 Junction to Ambient θJA 142.3 29.0 °C/W Junction to Top Characterization Parameter(Note 2) ΨJT 24 4 °C/W (Note 1) Based on JESD51-2A(Still-Air). Using a BV2HC045EFU-C chip. (Note 2) The thermal characterization parameter to report the difference between junction temperature and the temperature at the top center of the outside surface of the component package. (Note 3) Using a PCB board based on JESD51-3. (Note 4) Using a PCB board based on JESD51-5, 7. Layer Number of Material Board Size Measurement Board Single FR-4 114.3 mm x 76.2 mm x 1.57 mmt Top Copper Pattern Thickness Footprints and Traces 70 μm Layer Number of Thermal Via(Note 5) Material Board Size Measurement Board Pitch Diameter 4 Layers FR-4 114.3 mm x 76.2 mm x 1.6 mmt 1.20 mm Φ0.30 mm Top 2 Internal Layers Bottom Copper Pattern Thickness Copper Pattern Thickness Copper Pattern Thickness Footprints and Traces 70 μm 74.2 mm x 74.2 mm 35 μm 74.2 mm x 74.2 mm 70 μm (Note 5) This thermal via connects with the copper pattern of all layers.
1. PCB Layout (1s)
Footprint Only Figure 2. PCB Layout (1s) Dimension Value Board finish thickness 1.57 mmt Board dimension 114.3 mm x 76.2 mm Board material FR4 Copper thickness (Top/Bottom layers) 0.070 mm (Cu : 2 oz) www.rohm.com
TSZ02201-0G5G1G400010-1-2
© 2019 ROHM Co., Ltd. All rights reserved. 6/34 TSZ22111 • 15 • 001
15.Mar.2019 Rev.001
Document Outline General Description Features Applications Key Specifications Package Typical Application Circuit Table of Contents Pin Configuration Pin Description Block Diagram Definition Absolute Maximum Ratings Thermal Resistance Recommended Operating Conditions Electrical Characteristics Typical Performance Curves Figure 6. Standby Current vs Supply Voltage Figure 7. Standby Current vs Junction Temperature Figure 8. Operating Current vs Supply Voltage Figure 9. Operating Current vs Junction Temperature Figure 10. UVLO Detection Voltage vs Junction Temperature Figure 11. Input Voltage vs Junction Temperature Figure 12. Input Current vs Junction Temperature Figure 13. Output ON Resistance vs Supply Voltage Figure 14. Output ON Resistance vs Junction Temperature Figure 15. Output leak Current vs Junction Temperature Figure 16. Output Slew Rate vs Junction Temperature Figure 17. Output ON, OFF Propagation Delay Time vs Junction Temperature Figure 18. Output Clamp Voltage vs Junction Temperature Figure 19. Diagnostic Output Low Voltage vs Junction Temperature Figure 20. Diagnostic Output ON, OFF Propagation Delay Time vs Junction Temperature Figure 21. Variable Over Current Limit vs Junction Temperature Figure 22. Open Load Detection Voltage vs Junction Temperature Figure 23. Active Clamp Energy vs Output Current Measurement Circuit Timing Chart (Propagation Delay Time) Function Description 1. Protection Function 2. Over Current Protection 2.1 Over Current Limiting Operation in one side channel 2.2 Over Current Detection in Both Outputs 2.3 Over Current Detection by Other Channel while CDLY is Charging (tDLY) 2.4 Setting of Variable Overcurrent Limit Value 2.5 Variable Over Current Limit Mask Time Setting 2.6 The SET Pin and the DLY Pin Setting 3. Open Load Detection 3.1 When the OUT1, OUT2 is pulled down by the load (Normal function) 3.2 If the SW1 is OFF, the output is no longer pulled down by the load 4. Thermal Shutdown, ΔTj Protection Detection 4.1 Thermal Shutdown Protection 4.2 ΔTj Protection 5. Other Protection 5.1 GND Open Protection 5.2 MCU I/O Protection Applications Example I/O Equivalence Circuits Operational Notes 1. Reverse Connection of Power Supply 2. Power Supply Lines 3. Ground Voltage 4. Ground Wiring Pattern 5. Recommended Operating Conditions 6. Inrush Current 7. Testing on Application Boards 8. Inter-pin Short and Mounting Errors 9. Unused Input Pins 10. Ceramic Capacitor 11. Thermal Shutdown Function (TSD) 12. Over Current Protection Function (OCP) 13. Active Clamp Operation 14. Open Power Supply Pin 15. Open GND Pin Ordering Information Marking Diagram Physical Dimension and Packing Information Revision History