applications ? freescale i.mx processors ? smartbook tablets ?ebooks ? smartphones ? portable navigation devices ? media phones ? ultrasound medical equipment ? other embedded hand-held devices overview the mc13892 is a highly integrated power management integrated circuit designed specifically for t he i.mx35 and i.mx51 application processor families. it also supports the i.mx27 an d i.mx37 processor families. these functions include a battery charging system for usb and wall charging, a 10 bit adc with a coulomb counter module for monitoring battery charge, four adjustable buck regulators for po wering the processor core and memory, 12 adjustable ldos with internal/external pass devices and a boost regulator for rgb led drivers. mc13892 also incorporates power control logic with processor interfacing and event detection. a real time clock (rtc) function is provided, including time and day counters, as well as an alarm function. this utilizes a 32 khz clock, either the rc oscillator or the 32.768 khz crystal oscillator as a time base, and is powered by the coin cell backup supply. support is also provided for an external secure real time clock (srtc) which may be integrated on a companion system processor ic. mc13892 provides all the circuitry for a resistive touch screen interface and supports both spi and i 2 c interface. all of thes e functions have been incorporated into a highly integrated mixed signal ic, bidirectional power management, i/o, and communications device. performance typical values operating battery voltage up to 4.8 v operating charger voltage up to 5.6 v output voltage of buck regulators 0.6 to 1.375 v @ 1.05 a (sw1) and 0.6 to 1.85 v @ 0.8 a (sw2-4) accuracy of the ldos +/-3 % maximum charging current 1.6 a vbus supply current in otg mode 100 ma adc resolution 10 bits licell backup voltage 3.6 v internal clock source frequency 32.768 khz coulomb counter precision 381.47 c backlight led driver frequency 256 hz, 42 ma rgb led driver frequency 256 hz, 21 ma mc13892 simplified application diagram 32.768 khz real time clock srtc support mc13892 battery management single cell li-ion charging wall / usb charger input ov/uv & short-circuit protection coin cell charger coulomb counter 10 bit adc core general purpose 4 buck regulators processor core split power domains memory i/o 12 ldo regulators peripherals led & backlight drivers serial leds main display bias & references trimmed bandgap 5v boost regulator usb on the go general red green blue power control logic state machine control interface spi / i 2 c supply resistive touch screen interface i/o & oscillator led charging/fault indicator crystal purpose pwm outputs analog, mixed signal and power management mc13892 power management integrated circuit (pmic) for the i.mx35/51
freescale? and the freescale logo are trademarks of freescale semiconductor, inc. all other product or service names are t he property of their respective owners. ? freescale semiconductor, inc., 2009 - 2012. all rights reserved. document number: mc13892fs rev. 6.0 features ? battery charger system for wall charging and usb charging ? 10 bit adc for monitoring battery and other inputs plus coulomb counter support module ? 4 adjustable output buck regulators for direct supply of the processor core and memory ? 12 adjustable output ldos with internal and external pass devices ? boost regulator for supplying rgb leds ? serial backlight drivers for displays and keypad plus rgb led drivers ? power control logic with processor interface and event detection ? real time clock and crystal oscillator circuitry, with coin cell backup and support for external secure real time clock on a companion system processor ic ? touch screen interface ? spi/i 2 c bus interface for control & register access benefits ? saves design time ? highly integrated cost-effective solution ? designed to interface with freescale?s i.mx family ? reduces system costs ? reduces board space - enables compact, small designs ? reduces parts count questions ? are you designing with i.mx processors? ? do you need flexible, integrated, programmable power management and i/o device in one package? ? are you presently using or considering other pmics? the mc13892 has high performance to price value. ? do you need a software controlled power - i/o subsystem for your design? learn more : for current information about freescale products, please visit www.freescale.com . analog, mixed signal and power management ordering information part number (1) package temperature range (t a ) description mc13892cjvk 139-pin 7x7 mm mapbga -40 to +85 c global reset function default on MC13892DJVK (2) global reset function default off mc13892cjvl 139-pin 7x7 mm mapbga global reset function default on mc13892djvl (2) global reset function default off notes 1. for tape and reel product, add an "r2" suffix to the part number. 2. backward compatible replacement part for mc13892vk, mc13892jvk, mc13892vl, mc13892jvl, mc13892bjvk, and mc13892bjvl. development tools part number description kit13892vkevbej evaluation kit for the mc13892vk pmic kit13892vlevbej evaluation kit for the mc13892vl pmic mcim35lpdkj i.mx35 product development kit (pdk) mcimx51evkj i.mx51 evaluation kit kit13892gui graphical user interface for the kit13892vkevbej and the kit13892vlevbej documentation part number description mc13892 data sheet kt13892qsg quick start guide for the kit13892vkevbej and the kit13892vlevbej kt13892ug evb kit user?s guide supporting the kit13892vkevbej and the kit13892vlevbej mc13892er errata an3964 mc13892 layout guidelines freescale semiconductor is a leading provider for over 25 years of high-performance products that use smartmos technology that co mbines digital, power and standard analog functions.the company supplies analog and power management ics for the automotive, consumer, networking and industrial markets. freescale?s analog and power ics complement our broad portfolio of microcontrollers, microprocessors, zigbee? technology, digital signal processors, sensors and development tools. freescale offers superior support for system solutions to help customers. 186 pin 12.0 x 12.0 mm body 0.8 mm pitch 139 pin 0.5 mm pitch 7.0 x 7.0 mm body mapbga mapbga 98asa10820d 98asa10849d
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