PAC5250
Power Application Controller
LIST OF FIGURES
Figure 1-1. Power Application Controller................................................................................................................7
Figure 2-1. Simplified Application Diagram............................................................................................................8
Figure 7-1. Architectural Block Diagram...............................................................................................................12
Figure 8-1. PAC5250QF Pin Configuration (TQFN1010-57 Package).................................................................13
Figure 9-1. Power Supply Bypass Capacitor Routing..........................................................................................19
Figure 10-1. Multi-Mode Power Manager.............................................................................................................20
Figure 10-2. Buck Mode.......................................................................................................................................21
Figure 10-3. Ultra-High-Voltage Buck Mode.........................................................................................................21
Figure 10-4. AC/DC Flyback Mode.......................................................................................................................22
Figure 10-5. Linear Regulators.............................................................................................................................23
Figure 10-6. Power Up Sequence........................................................................................................................23
Figure 11-1. Configurable Analog Front End........................................................................................................29
Figure 12-1. Application Specific Power Drivers...................................................................................................39
Figure 12-2. Typical Gate Driver Connections......................................................................................................40
Figure 12-3. High-Side Switching Transients and Optional Circuitry....................................................................41
Figure 13-1. ADC with Auto-Sampling Sequencer................................................................................................48
Figure 14-1. Memory System...............................................................................................................................50
Figure 15-1. Clock Control System......................................................................................................................52
Figure 16-1. ARM Cortex-M0 Microcontroller Core..............................................................................................55
Figure 17-1. I/O controller....................................................................................................................................58
Figure 18-1. Serial Interface.................................................................................................................................60
Figure 18-2. I2C Timing Diagram..........................................................................................................................64
Figure 18-3. SPI Timing Diagram.........................................................................................................................65
Figure 19-1. Timers A, B, C, and D......................................................................................................................66
Figure 19-2. SOC Bus Watchdog and Wake-Up Timer........................................................................................67
Figure 19-3. Real-Time Clock and Watchdog Timer.............................................................................................67
Figure 21-1. 3-Phase Motor Using PAC5255 (Simplified Diagram)......................................................................70
Figure 21-2. Solar Micro-Inverter Using PAC5255 (Simplified Diagram)..............................................................70
Figure 21-3. Motor with LED Lighting Using PAC5255 (Simplified Diagram).......................................................71
Figure 22-1. TQFN1010-57..................................................................................................................................72
Table 22-1. Dimensions........................................................................................................................................72
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Rev 1.14‒June 15, 2017
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
