MC34708VK

MC34708 Freescale Semiconductor Rev. 11.0, 11/2013 Technical Data Power Management Integrated 34708 Circuit (PMIC) for i.MX50/53 Families The MC34708 is the Power Management Integrated Circuit (PMIC) POWER MANAGEMENT designed specifically for use with the Freescale i.MX50 and i.MX53 families. This device is powered by SMARTMOS technology. Features Six multi-mode buck regulators for direct supply of the processor core, memory, and peripherals Boost regulator for USB OTG support VK SUFFIX (PB-FREE) VM SUFFIX (PB-FREE) Eight regulators with internal and external pass devices for thermal 98ASA00312D 98ASA00299D budget optimization 206 MAPBGA 206 MAPBGA USB/UART/Audio switching for mini-micro USB connector 8.0 X 8.0 (0.5 MM PITCH) 13.0 X 13.0 (0.8 MM PITCH) 10-bit ADC for monitoring battery and other inputs Real time clock and crystal oscillator circuitry with coin cell backup/ Applications charger 2 SPI/I C bus for control and register interface Tablets Smart Mobile Devices Portable Navigation Devices 3 & % % % & % 1 2 & & % ( (( ( (/ * + 0 - , . ) Figure 1. MC34708 Simplified Application Diagram There are no disclaimers required on the Final publication of a data sheet. Freescale Semiconductor, Inc., 2011-2013. All rights reserved. Table of Contents 1 Orderable Parts . 4 2 Part Identification 5 2.1 Description 5 2.2 Format and Examples . 5 2.3 Fields 5 3 Internal Block Diagram . 6 3.1 Simplified Internal Diagram . 6 4 Pin Connections . 7 4.1 Pinout Diagram 7 4.2 Pin Definitions . 8 5 General Product Characteristics . 14 5.1 Maximum Ratings . 14 5.2 Thermal Characteristics . 15 5.2.1 Power Dissipation 17 5.3 Electrical Characteristics 18 5.3.2 General PMIC Specifications 18 5.3.3 Current Consumption 20 6 General Description . 22 6.1 Features . 22 6.2 Block Diagram 23 6.3 Functional Description 23 7 Functional Block Description 24 7.1 Startup Requirements 24 7.2 Bias and References Block Description and Application Information 26 7.3 Clocking and Oscillators 27 7.3.1 Clock Generation . 27 7.3.2 SRTC Support . 29 7.3.3 Coin Cell Battery Backup . 32 7.4 Interrupt Management 33 7.4.1 Control . 33 7.4.2 Interrupt Bit Summary . 33 7.5 Power Generation . 35 7.5.1 Power Tree . 35 7.5.2 Modes of Operation . 36 7.5.3 Power Control Logic 39 7.5.4 Buck Switching Regulators . 45 7.5.5 Boost Switching Regulator 63 7.5.6 Linear Regulators (LDOs) 65 7.6 Battery Management . 77 7.7 Analog to Digital Converter 77 7.7.1 Input Selector 77 7.7.2 Control . 78 7.7.3 Dedicated Readings 79 7.7.4 Touch Screen Interface 81 7.7.5 ADC Specifications . 83 7.8 Auxiliary Circuits 84 7.8.1 General Purpose I/Os . 84 7.8.2 PWM Outputs . 85 7.8.3 General Purpose LED Drivers . 86 7.8.4 Mini/Micro USB Switch 87 MC34708 Analog Integrated Circuit Device Data Freescale Semiconductor 2