PDF 34708 Data sheet ( Hoja de datos )

Número de pieza	34708
Descripción	Power Management Integrated Circuit
Fabricantes	Freescale Semiconductor
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No Preview Available ! Freescale Semiconductor Technical Data Power Management Integrated Circuit (PMIC) for i.MX50/53 Families MC34708 Rev. 11.0, 11/2013 34708 The MC34708 is the Power Management Integrated Circuit (PMIC) 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 • Eight regulators with internal and external pass devices for thermal budget optimization • USB/UART/Audio switching for mini-micro USB connector • 10-bit ADC for monitoring battery and other inputs • Real time clock and crystal oscillator circuitry with coin cell backup/ charger • SPI/I2C bus for control and register interface POWER MANAGEMENT VK SUFFIX (PB-FREE) 98ASA00312D 206 MAPBGA 8.0 X 8.0 (0.5 MM PITCH) VM SUFFIX (PB-FREE) 98ASA00299D 206 MAPBGA 13.0 X 13.0 (0.8 MM PITCH) Applications Tablets Smart Mobile Devices Portable Navigation Devices 2 #" " % $! $ "%"' $! "% "! 0 1 $! # ! " # # # ! &' && & &. ' )* /, +( - 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. 1 page Part Identification 2 Part Identification This section provides an explanation of the part numbers and their alpha numeric breakdown. 2.1 Description Part numbers for the chips have fields that identify the specific part configuration. You can use the values of these fields to determine the specific part you have received. 2.2 Format and Examples Part numbers for a given device have the following format, followed by a device example: Table 2 - Part Numbering - Analog: MC tt xxx r v PP RR - MC34708VKR2 2.3 Fields These tables list the possible values for each field in the part number (not all combinations are valid). Table 2: Part Numbering - Analog FIELD DESCRIPTION MC Product Category tt Temperature Range xxx Product Number r Revision v Variation PP Package Identifier RR Tape and Reel Indicator • MC- Qualified Standard • PC- Prototype Device • 34 = -40 °C to  105 °C • Assigned by Marketing • (default blank) • (default blank) • Varies by package • R2 = 13 inch reel hub size VALUES MC34708 5 Analog Integrated Circuit Device Data Freescale Semiconductor 5 Page Pin Connections Table 3. MC34708 Pin Definitions (continued) Pin Number Pin Name Pin Function Definition L12 GNDREG2 GND Ground for regulators 2 A13 GPIOVDD I Supply for GPIO E11 GPIOLV0 I/O General purpose input/output 0 B11 GPIOLV1 I/O General purpose input/output 1 D11 GPIOLV2 I/O General purpose input/output 2 C11 GPIOLV3 I/O General purpose input/output 3 A12 PWM1 O PWM output 1 C10 PWM2 O PWM output 2 B12 GNDGPIO - GPIO ground Control Logic A11 LICELL 1. Coin cell supply input I/O 2. Coin cell charger output M15 L15 K14 H11 H13 H10 E1 F5 L4 J5 E4 G8 E3 G7 C12 B14 B13 A14 D12 D10 E2 F4 G2 G1 F3 F1 XTAL1 XTAL2 GNDRTC CLK32KVCC CLK32K CLK32KMCU RESETB RESETBMCU WDI STANDBY INT PWRON1 PWRON2 GLBRST PUMS1 PUMS2 PUMS3 PUMS4 PUMS5 ICTEST GNDCTRL SPIVCC CS CLK MOSI MISO I I GND I O O O O I I O I I I I I I I I I GND I I I I O 32.768 kHz Oscillator crystal connection 1 32.768 kHz Oscillator crystal connection 2 Ground for the RTC block Supply voltage for 32 kHz buffer 32 kHz Clock output for peripherals 32 kHz Clock output for processor Reset output for peripherals Reset output for processor Watchdog input Standby input signal from processor Interrupt to processor Power on/off button connection 1 Power on/off button connection 2 Global Reset Power up mode supply setting 1 Power up mode supply setting 2 Power up mode supply setting 3 Power up mode supply setting 4 Power up mode supply setting 5 Connect to ground for normal mode operation. Ground for control logic Supply for SPI bus Primary SPI select input Primary SPI clock input Primary SPI write input Primary SPI read output MC34708 11 Analog Integrated Circuit Device Data Freescale Semiconductor 11 Page

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