PAC5220 Datasheet, PDF (2/73 Pages) Active-Semi, Inc – Power Application Controller

PAC5220
Power Application Controller
TABLE OF CONTENTS
1. General Description........................................................................................................................................... 7
2. PAC Family Applications.................................................................................................................................... 8
3. Product Selection Summary............................................................................................................................... 9
4. Ordering Information.......................................................................................................................................... 9
5. PAC5220 Features........................................................................................................................................... 10
6. Absolute Maximum Ratings.............................................................................................................................. 11
7. Architectural Block Diagram............................................................................................................................. 12
8. Pin Configuration.............................................................................................................................................. 13
8.1. PAC5220QS............................................................................................................................................. 13
9. Pin Description................................................................................................................................................. 14
10. Multi-Mode Power Manager (MMPM)............................................................................................................ 20
10.1. Features................................................................................................................................................. 20
10.2. Block Diagram........................................................................................................................................ 20
10.3. Functional Description............................................................................................................................ 20
10.3.1. Multi-Mode Switching Supply (MMSS) Controller...........................................................................20
10.3.2. Linear Regulators........................................................................................................................... 22
10.3.3. Power Up Sequence...................................................................................................................... 23
10.3.4. Hibernate Mode.............................................................................................................................. 23
10.3.5. Power and Temperature Monitor.................................................................................................... 24
10.3.6. Voltage Reference.......................................................................................................................... 24
10.4. Electrical Characteristics........................................................................................................................ 25
10.5. Typical Performance Characteristics...................................................................................................... 28
11. Configurable Analog Front End (CAFE).......................................................................................................... 29
11.1. Block Diagram........................................................................................................................................ 29
11.2. Functional Description............................................................................................................................ 30
11.2.1. Differential Programmable Gain Amplifier (DA)..............................................................................30
11.2.2. Single-Ended Programmable Gain Amplifier (AMP).......................................................................30
11.2.3. General Purpose Comparator (CMP)............................................................................................. 30
11.2.4. Phase Comparator (PHC).............................................................................................................. 30
11.2.5. Protection Comparator (PCMP)...................................................................................................... 30
11.2.6. Analog Output Buffer (BUF)............................................................................................................ 31
11.2.7. Analog Front End I/O (AIO)............................................................................................................ 31
11.2.8. Push Button (PBTN)....................................................................................................................... 31
11.2.9. HP DAC and LP DAC..................................................................................................................... 31
11.2.10. ADC Pre-Multiplexer..................................................................................................................... 31
11.2.11. Configurable Analog Signal Matrix (CASM)..................................................................................31
11.2.12. Configurable Digital Signal Matrix (CDSM)...................................................................................31
11.3. Electrical Characteristics........................................................................................................................ 33
11.4. Typical Performance Characteristics...................................................................................................... 36
12. Application Specific Power Drivers (ASPD).................................................................................................... 37
12.1. Features................................................................................................................................................. 37
12.2. Block Diagram........................................................................................................................................ 37
12.3. Functional Description............................................................................................................................ 38
12.3.1. Low-Side Gate Driver..................................................................................................................... 38
12.3.2. High-Side Gate Driver.................................................................................................................... 38
12.3.3. High-Side Switching Transients...................................................................................................... 39
12.3.4. Open-Drain Drivers........................................................................................................................ 39
12.3.5. Power Drivers Control.................................................................................................................... 39
12.3.6. Gate Driver Fault Protection........................................................................................................... 40
12.4. Electrical Characteristics........................................................................................................................ 41
12.5. Typical Performance Characteristics...................................................................................................... 43
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Rev 1.0‒February 25, 2014