ACT72350 datasheet(6/97 Pages) QORVO

6 / 97 page

ACT72350 Data Sheet

160V 3 Phase BLDC Motor Driver

Data Sheet v1.1, 2025-02-17

Subject to change without notice

6 of 97

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LIST OF FIGURES

Figure 2-1. Simplified Application Diagram ................................................................................................... 9

Figure 7-1 Architectural Block Diagram ...................................................................................................... 13

Figure 8-1 ACT72350 Pin Diagram............................................................................................................. 14

Figure 10-1 Typical SPI Packet Communication ........................................................................................ 19

Figure 10-2 SPI Write Command ................................................................................................................ 19

Figure 10-3 SPI Read Command................................................................................................................ 20

Figure 10-4 SPI Contiguous Packets .......................................................................................................... 20

Figure 11-1 CPM Block Diagram ................................................................................................................ 22

Figure 11-2 HV-BUCK Example ................................................................................................................. 23

Figure 11-3 MV-BUCK Switching Regulator Example ................................................................................ 24

Figure 11-4 Linear Regulators Example ..................................................................................................... 25

Figure 11-5 Power-Up Sequence ............................................................................................................... 25

Figure 11-6 VDDIO LDO Voltage vs. Current ............................................................................................. 31

Figure 11-7 VCC33 LDO Voltage vs. Current............................................................................................. 31

Figure 12-1 Configurable Analog Front End ............................................................................................... 41

Figure 13-1 Application Specific Power Drivers.......................................................................................... 77

Figure 13-2 Typical Gate Driver Connections ............................................................................................ 78

Figure 13-3 Cycle by Cycle Current Limit ................................................................................................... 80

Figure 13-4 Entering and Exiting Braking Mode ......................................................................................... 81

Figure 13-5 Braking Mode Operation.......................................................................................................... 82

Figure 14-1 nRESET Push/Pull Output....................................................................................................... 90

Figure 15-1 nFAULT Open Drain Output .................................................................................................... 91

Figure 16-1 CLK_OUT Push Pull Output .................................................................................................... 92

ACT72350 Datasheet(PDF) 6 Page - Qorvo, Inc