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34708 Datasheet(PDF) 144 Page - Freescale Semiconductor, Inc |
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34708 Datasheet(HTML) 144 Page - Freescale Semiconductor, Inc |
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144 / 159 page  Analog Integrated Circuit Device Data Freescale Semiconductor 144 MC34708 Typical Applications 8 Typical Applications The following diagram gives a typical application diagram of the MC34708 PMIC together with its functional components. For details on component references and additional components such as filters, refer to the individual sections. 8.1 Application Diagram Figure 38. Typical Application Schematic BP Switchers GNDADC ADIN11 MUX 10 Bit GP ADC LICELL GPIO Control RTC + Calibration GNDSW2 SW2FB SW2LX SW1IN SW2IN O/P Drive ` GNDSW1A SW1FB SW3IN O/P Drive GNDSW3 SW3FB SW3LX GNDSWBST SWBSTFB SWBSTIN SWBSTLX O/P Drive Monitor Timer O/P Drive PLL 32 KHz Crystal Osc To Interrupt Section Die Temp & Thermal Warning Detection LCELL Switch Enables & Control SPI Result Registers Interrupt Inputs Core Control Logic, Timers, & Interrupts 32 KHz Internal Osc Input/Battery Monitoring LICELL, UID, Die Temp, GPO4 ADIN10 GNDREG1 GNDREG2 ADIN9 A/D Result A/D Control 32 KHz Buffers Output Pin Input Pin Bi-directional Pin Package Pin Legend SPI Interface + Muxed I2C Optional Interface CS CLK GNDSPI MISO SPI Registers MOSI Shift Register Shift Register SPIVCC To Enables & Control To Trimmed Circuits SPI Control Logic Trim-In-Package Startup Sequencer Decode Trim? PUMSx Control Logic Li Cell Charger SW2 LP 1000 mA Buck SW3 INT MEM 500 mA Buck SWBST 380 mA Boost Voltage / Current Sensing & Translation MC34708 SW4 Dual Phase DDR 1000 mA Buck VSRTC VINREFDDR VPLL VPLL 50 mA Pass FET VREFDDR 10mA VREFDDR SPI Control VBUS VINUSB VUSB UID Best of Supply Reference Generation VCOREDIG GNDCORE VCORE VCOREREF VBUS/ID Detectors, Host Auto detection UART Switches Audio Switches VUSB Regulator VINPLL SW5IN O/P Drive GNDSW5 SW5FB SW5LX SW5 I/O 1000 mA Buck VUSB2 350mA VDACDRV VDAC VUSB2 VUSB2DRV VDAC 250mA SW1ALX DVS CONTROL CFP CFN BATTISNSCCN DM DP DPLUS DMINUS OVP SPKR SW1PWGD SW2PWGD PWM Outputs SPKL MIC RXD TXD GNDSW1B O/P Drive SW1BLX SW4AIN GNDSW4A SW4FBA O/P Drive SW4ALX SW4BIN GNDSW4B SW4BFB O/P Drive SW4BLX GNDUSB SW4CFG VDDLP VGEN1 250mA VGEN2DRV VGEN2 VGEN2 250mA Pass FET VGEN1 Pass FET VINGEN1 Digital Core General Purpose LED drivers SW1 Dual Phase GP 2000 mA Buck SW1CFG VALWAYS SW1VSSSNS VHALF BPTHERM NTCREF BATTISNSCCP GNDREF1 GNDREF2 GNDREF LDOVDD Pass FET 100n Coin Cell Battery 2.2u SWBST 100pF 1u 1u SPI SW5 General Purpose ADC Inputs: i.e., PA thermistor, Light Sensor, Etc. To/From Audio IC To/From AP To/From USB Cable 100n BP 10u 10u BP BP 22u SWBST Output (Boost) 2.2u 2.2u BP SW4B 1u BP 2.2u 1.0u 2 x22u SW1 Output BP 4.7u BP 4.7u 1.0u 22u SW2 Output To AP BP 4.7u 1.0u 10u SW3 Output 1.0u 10u SW4A Output BP 4.7u 4.7u 1.0u 10u SW4B Output 1.0u 22u SW5 Output BP 4.7u To AP 2.2u BP 2.2u BP SW5 2.2u BP 2.2u VCOREDIG BP 100n BP To AP To Peripherals To GND, or VCOREDIG To/From AP On/Off Button Reset button 32.768 KHz Crystal 15p 0.1uF 100K 100K 1u ADIN14/TSY1 ADIN15/TSY2 ADIN13/TSX2 TSREF Touch Screen Interface ADIN12/TSX1 Touch Screen Interface 2.2u 100n C1 C2 D1 D2 C54 C56 C50 C51 C52 C49 C47 C46 C5 L2 C6/C7 R18 C10 L4 C11 R19 C13 L5 C14 C16 L6 C17 C22 C20 L7 C23 L8 L9 C25 D3 C26 C57 C55 C28 C30 C29 Q1 Q3 C36 C38 Q5 C41 C43 C45 R20 R4 C44 18p Y1 R3 C19 D8 D10 D11 D12 D13 D14 2.2uF C34 VIN CE VOUT GND VDDLP 100nF 100nF C58 C59 D15 1.5V LDO |
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