LTC3676/LTC3676-1 PMIC Reference Design Based on NXP i.MX 6 Series Processors NOVPEK i.MX6x-LT Platform Evaluation Kit Unleash the Power of the NXP i.MX 6 Series Processor Includes: Module Based on NXP i.MX 6 Series Base Board NovTech LTC3676 Power Solution Boot-Loader LINUX Porting QNX Porting Android Porting n n n n n n n Linear Technology PMIC Module This PMIC board provides sufficient power for single through quad core variants of the NXP i.MX 6 series of processors and the NOVPEK base board. The PMIC solution supports two modes of power sequencing: 1.LDO1 is always on to support an external µController and allows software customized start-up sequences 2.Enable pin strapping options support powering the i.MX 6 series domains directly via hardware control without the need of an external µController LTC3676 has 4 DC/DC and 4 LDO regulators, providing ~9A total current output Input supply voltage range: 2.7V to 5.5V for USB and battery applications LTC3676-1 provides DDR VREF and VTT switcher LTC3676 for designs without VTT n n n n Linux drivers available at: www.linear.com/3676 To purchase these boards, visit: Novtech http://novsum.com/images/docs/imx6_linear_pmic_full.pdf 954-471-7281 or 888-701-7466 Arrow www.arrow.com 800-833-3557 (US) or 303-305-5691 (Outside US) L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. New PMIC for Advanced Application Processors VIN 2.7V TO 5.5V VIN LDO1_STDBY SW3 VCORE 0.75V TO 1.5V AT 2.5A 1.2V AT 300mA LDO2 SW2 VSOC 0.75V TO 1.5V AT 1.5A 1.8V AT 300mA LDO3 SW4 DDR VDDQ 1.5V AT 2.5A 3.0V AT 300mA LDO4 SW1 VTT 1/2 VDDQ AT 1.5A VRTC 1.2V AT 25mA 6mm 7 LTC3676-1 VTTR ENABLES PWR_ON 1/2 VDDQ 7m m m 7m WAKE 6mm ON PGOOD I2C GND 2 TO µPROCESSOR QFN-40 LQFP-48 4 High Current High Efficiency Bucks + 4 LDOs + DDR Solution with VTTR + I2 C Control + Sequencing + Dynamic Voltage Scaling = Complete Power Management Solution for Advanced Application Processor-Based Systems The LTC®3676 and LTC3676-1 are complete power management solutions for NXP i.MX 6 series, ARM Cortex and other advanced portable application processor systems. The LTC3676/LTC3676-1 feature eight independent resistor-programmable voltage rails, with dynamic voltage scaling and sequencing, in compact QFN and thermally enhanced QFP packages. These rails supply power to the processor core, SDRAM, I/O, system memory, PC cards, always-on real-time clock (RTC) and a variety of other functions. Features LTC3676 Demo Board Quad I2C Adjustable High Efficiency Step-Down DC/DC Converters: 2.5A, 2.5A, 1.5A, 1.5A Triple 300mA LDO Regulators (2 Adjustable) n n DDR Power Solution with VTT and VTTR Reference (LTC3676-1 Version) Pushbutton On/Off Control with System Reset Independent Enable Pin-Strap or I2C Sequencing Programmable Autonomous Power-Down Control Power Good and Reset Functions Dynamic Voltage Scaling Selectable 2.25MHz or 1.12MHz Switching Frequency Always Alive 25mA LDO Regulator 12μA Standby Current 40-Pin 6mm × 6mm × 0.75mm QFN Package 48-Pin 7mm × 7mm LQFP Package n n n n 24mm n n n n n n n Applications Supports NXP i.MX 6, Altera ARM-Based SoC FPGAs, ARM Cortex and other Application Processors Handheld Instruments and Scanners Portable Industrial and Medical Devices Automotive Infotainment High End Consumer Devices Multirail Systems n 24mm n n n n n www.linear.com/3676 n 1-800-4-LINEAR 0516A