Freescale Semiconductor Application Note Document Number: AN4717 Rev. 3.0, 6/2015 Schematic Guidelines for the MMPF0100 1 Introduction This application note provides guidelines for schematic entry using the MMPF0100. For an example Bill of Materials, refer to the MMPF0100 datasheet. Freescale analog ICs are manufactured using the SMARTMOS process, a combinational BiCMOS manufacturing flow that integrates precision analog, power functions and dense CMOS logic together on a single cost-effective die. 2 Pin Connection Guidelines This section provides recommended pin connections in Table 1. These guidelines help ensure that the MMPF0100 functions properly. © Freescale Semiconductor, Inc., 2013-2015. All rights reserved. Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . 1 2 Pin Connection Guidelines . . . . . . . . . . . 1 3 References . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Revision History. . . . . . . . . . . . . . . . . . . . 6 Pin Connection Guidelines Table 1. MMPF0100 Pin Connection Guidelines Pin Pin Name Pin Function Recommended connection when not used Recommended Connection 1 INTB Open drain interrupt signal to Pull-up via 68 k- 100 k to VSNVS or other rail Leave floating processor at voltage less than or equal to VIN 2 SDWNB Open drain signal to indicate Pull-up via 68 k- 100 k to VSNVS or other rail Leave floating an imminent system at voltage less than or equal to VIN shutdown 3 RESETBMCU Open drain reset output to processor Pull-up via 68 k- 100 k to VSNVS or other rail Leave floating at voltage less than or equal to VIN 4 STANDBY Standby input signal from processor Connect to PMIC_STBY_REQ signal from processor Connect to ground 5 ICTEST Reserved Pin Connect to ground Connect to ground 6 SW1FB Output voltage feedback for SW1AB regulator Connect to SW1AB output voltage rail near load. Leave floating Leave floating if SW1 is used in SW1ABC Single Phase mode 7 SW1AIN Input to SW1A MOSFETs for Connect to VIN and bypass with 0.1 F + 4.7 F Connect to VIN SW1AB regulator to ground 8 SW1ALX SW1A switching node Connect to SW1AB inductor when used in Leave floating SW1AB Single Phase mode. Connect to SW1ABC inductor when used in SW1ABC Single Phase mode. Connect to SW1A inductor when used in SW1AB Dual Phase mode 9 SW1BLX SW1B switching node Connect to SW1AB inductor when used in Leave floating SW1AB Single Phase mode. Connect to SW1ABC inductor when used in SW1ABC Single Phase mode. Connect to SW1B inductor when used in SW1AB Dual Phase mode 10 SW1BIN Input to SW1B MOSFETs for Connect to VIN and bypass with 0.1 F + 4.7 F Connect to VIN SW1AB regulator to ground 11 SW1CLX Regulator SW1C switching node Connect to SW1C Inductor when SW1C is used Leave floating as an independent regulator. Connect SW1ALX, SW1BLX, and SW1CLX together when SW1 is used in SW1ABC Single Phase mode 12 SW1CIN Input to SW1C regulator Connect to VIN and bypass with 0.1 F + 4.7 F Connect to VIN to ground 13 SW1CFB Output voltage feedback for SW1C Independent and SW1ABC Single Phase configurations Connect to SW1C output voltage rail near load. Connect to SW1ABC output voltage rail if SW1ABC Single Phase configuration is used 14 SW1VSSSNS Ground reference for SW1 regulator(s) Connect to ground. Keep away from high current N/A ground return paths. 15 GNDREF1 Ground reference for regulators SW2 and SW4 Connect to ground. Keep away from high current N/A ground return paths. 16 VGEN1 VGEN1 regulator output Bypass with 2.2 F to ground Leave floating 17 VIN1 VGEN1 and VGEN2 LDO regulators’ input supply Bypass with 1.0 F capacitor to ground Connect to output of a regulator with voltage <3.4 V Leave floating AN4717 Application Note Rev. 3.0 6/2015 2 Freescale Semiconductor Pin Connection Guidelines Table 1. MMPF0100 Pin Connection Guidelines (continued) Pin Pin Name Pin Function Recommended Connection Recommended connection when not used 18 VGEN2 VGEN2 regulator output Bypass with 4.7 F to ground Leave floating 19 SW4FB Output voltage feedback for SW4 Connect to SW4 output voltage rail near load Leave floating 20 SW4IN Input to SW4 regulator Connect to VIN and bypass with 0.1 F + 4.7 F Connect to VIN to ground 21 SW4LX SW4 switching node Connect to SW4 inductor Leave floating 22 SW2LX SW2 switching node Connect to SW2 inductor Leave floating 23 SW2IN Input to SW2 regulator 24 SW2IN Input to SW2 regulator Connect to VIN and bypass with 0.1 F + 4.7 F Connect to VIN to ground. Connect pins 23 and 24 together. Connect to pin 23 25 SW2FB Output voltage feedback for SW2 Connect to SW2 output voltage rail near load 26 VGEN3 VGEN3 regulator output Bypass with 2.2 F to ground Leave floating 27 VIN2 VGEN3 and VGEN4 LDO regulators’ input Bypass with 1.0 F capacitor to ground Connect to regulator with output voltage <3.6 V 28 VGEN4 VGEN4 regulator output Bypass with 4.7 F to ground Leave floating 29 VHALF Half supply reference for VREFDDR Bypass with 0.1 F to ground Leave floating 30 VINREFDDR VREFDDR regulator input Connect 0.1.0 F to VHALF pin. Ensure there is Leave floating at least 1.0 F net capacitance from VINREFDDR to ground 31 VREFDDR VREFDDR regulator output Bypass with 1.0 F to ground 32 SW3VSSSNS Ground reference for SW3 regulator(s) Connect to ground. Keep away from high current N/A ground return paths. 33 SW3BFB Output voltage feedback for SW3B regulator Leave floating when SW3 is used in SW3AB Single Phase mode. Connect to SW3B output voltage rail near load if SW3 is used in independent mode 34 SW3BIN Input to SW3B regulator Connect to VIN and bypass with 0.1 F + 4.7 F Connect to VIN to ground 35 SW3BLX SW3B switching node Connect to SW3AB inductor if SW3 is used in Leave floating Single Phase mode. Connect to SW3B inductor if SW3 is used in independent mode. 36 SW3ALX SW3A switching node Connect to SW3AB inductor if SW3 is used in Leave floating Single Phase mode. Connect to SW3A inductor if SW3 is used in independent mode. 37 SW3AIN Input to SW3A regulator Connect to VIN and bypass with 0.1 F + 4.7 F Connect to VIN to ground 38 SW3AFB Output voltage feedback for Connect to SW3A(B) output voltage rail near load Leave floating SW3A or SW3AB regulators 39 VGEN5 VGEN5 regulator output Bypass with 2.2 F to ground Leave floating 40 VIN3 VGEN5 and VGEN6 LDO regulators' input Bypass with 1.0 F capacitor to ground Connect to VIN 41 VGEN6 VGEN6 regulator output Bypass with 2.2 F to ground Leave floating Leave floating Leave floating Leave floating AN4717 Application Note Rev. 3.0 6/2015 Freescale Semiconductor 3 Pin Connection Guidelines Table 1. MMPF0100 Pin Connection Guidelines (continued) Pin Pin Name Pin Function Recommended connection when not used Recommended Connection 42 LICELL Coin cell supply input/output Bypass with 0.1 F capacitor. Connect to optional Bypass with 0.1 F coin cell. 43 VSNVS VSNVS regulator/switch output Bypass with 0.47 F to ground 44 SWBSTFB SWBST regulator output voltage feedback Connect to SWBST output voltage rail near load Leave floating 45 SWBSTIN Input to SWBST regulator Connect to VIN and bypass with 0.1 F + 10 F to ground 46 SWBSTLX SWBST switch node connection Connect to SWBST inductor and Schottky diode Leave floating 47 VDDOTP Supply to program OTP fuses Connect to VCOREDIG through a 100 kΩ resistor if PF0100 is used in the default mode. Connect to ground if PF0100 is used in the fuse mode. If on-board programming is desired, give provision to apply 8.0 V programming voltage to the pin with bypass of 2x10 F capacitors 48 GNDREF1 Ground reference for the main band gap regulator. Connect to ground. Keep away from high current N/A ground return paths. 49 VCORE Analog Core supply Bypass with 1.0 F to ground N/A 50 VIN Main chip supply Bypass with 1.0 F to ground N/A 51 VCOREDIG Digital Core supply Bypass with 1.0 F to ground N/A 52 VCOREREF Main band gap reference Bypass with 0.22 F to ground N/A 53 SDA I Pull-up to VDDIO Leave floating 54 SCL I2C clock line Pull-up to VDDIO Leave floating 55 VDDIO Supply for I2C bus Connect to 1.7 to 3.6 V supply. Bypass with 0.1 F to ground. Ensure that VDDIO is always lesser than or equal to VIN. Leave floating 56 PWRON Power On/off from processor Connect to PMIC_ON_REQ from processor. Pull N/A up via 8 k- 100 k to VSNVS if required EP Expose pad. Functions as ground return for buck and boost regulators - 2C data line Ground. Connect this pad to the inner and external ground planes through multiple vias to allow effective thermal dissipation. Bypass with 0.47 F to ground Connect to VIN N/A N/A AN4717 Application Note Rev. 3.0 6/2015 4 Freescale Semiconductor References 3 References Document Number and Description URL MMPF0100 Data Sheet http://www.freescale.com/files/analog/doc/data_sheet/MMPF0100.pdf AN1902 QFN (Quad Flat Pack No-Lead) Application Note http://www.freescale.com/files/analog/doc/app_note/AN1902.pdf AN4622 MMPF0100 Layout Guidelines http://www.freescale.com/files/analog/doc/app_note/AN4622.pdf Freescale.com Support Pages URL MMPF0100 Product Summary Page http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=MMPF0100 Power Management Home Page http://www.freescale.com/webapp/sps/site/homepage.jsp?code=POWERMGTHOME Analog Home Page http://www.freescale.com/analog AN4717 Application Note Rev. 3.0 6/2015 Freescale Semiconductor 5 Revision History 4 Revision History Revision Date Description of Changes 2.0 5/2013 • Initial release 3.0 6/2015 • Replaced AN4530 by AN1902 AN4717 Application Note Rev. 3.0 6/2015 6 Freescale Semiconductor How to Reach Us: Information in this document is provided solely to enable system and software implementers to use Freescale products. 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