MC34708VM View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

MC34708VM

Power Management Integrated Circuit (PMIC) for i.MX50/53 Families

Freescale Semiconductor 

3 Internal Block Diagram

3.1 Simplified Internal Diagram

Internal Block Diagram

Input/Battery

Monitoring

GNDADC

ADIN9

ADIN10

ADIN11

ADIN12/TSX1

ADIN13/TSX2

ADIN14/TSY1

ADIN15/TSY2

TSREF

BPTHERM

NTCREF

Voltage /

Current

Sensing &

Translation

LICELL, UID, Die Temp, GPO4

10 Bit GP

ADC

A/D Result

MUX

A/D

Control

Touch

Screen

Interface

General Purpose

LED Drivers

DVS

CONTROL

Die Temp &

Thermal Warning

Detection

To Interrupt

Section

SW1

Dual Phase

GP

2000 mA

Buck

SW2

100L0`PmA

Buck

SW3

INT MEM

500 mA

Buck

BATTISNSCCP

BATTISNSCCN

CFP

CFN

SPIVCC

CS

CLK

MOSI

MISO

GNDSPI

SPI

Interface

+

Muxed

I2C

Optional

Interface

Shift Register

SPI

Registers

Shift Register

To Enables & Control

Package Pin Legend

Output Pin

Input Pin

Bi-directional Pin

VALWAYS

VCORE

VCOREDIG

VDDLP

VCOREREF

GNDCORE

GNDREF

SPKR

SPKL

MIC

TXD

RXD

DPLUS

DMINUS

DP

DM

GNDUSB

UID

VBUS

VINUSB

VUSB

LICELL

Reference

Generation

VBUS/ID

Detectors, Host

Auto detection

UART Switches

Audio Switches

OVP

VUSB

Regulator

BP

Li Cell

Charger

LCELL

Switch

32 KHz

Internal

Osc

32 KHz

Crystal

Osc

MC34708

SPI

Control

Logic

Trim-In-Package

PUMSx

Startup

Sequencer

Decode

Trim?

To

Trimmed

Circuits

Control

Logic

SPI Result

Registers

Interrupt

Inputs

Enables &

Control

Core Control LDoiggiitca,l CTiomreers, & Interrupts

SW4

Dual Phase

DDR

1000 mA

Buck

SW5

I/O

1000 mA

Buck

SWBST

380 mA

Boost

SPI Control

VREFDDR

10mA

VPLL

50 mA

VUSB2

350mA

VDAC

250mA

VGEN1

250mA

PLL

Monitor

Timer

RTC +

Calibration

32 KHz

Buffers

Switchers

Best

of

Supply

VSRTC

VGEN2

250mA

GPIO Control

O/P

Drive

O/P

Drive

SW1IN

SW1ALX

GNDSW1A

SW1FB

SW1CFG

SW1VSSSNS

SW1BLX

GNDSW1B

SW1PWGD

O/P

Drive

SW2IN

SW2LX

GNDSW2

SW2FB

SW2PGD

O/P

Drive

O/P

Drive

O/P

Drive

O/P

Drive

SW3IN

SW3LX

GNDSW3

SW3FB

SW4AIN

SW4ALX

GNDSW4A

SW4AFB

SW4CFG

SW4BIN

SW4BLX

GNDSW4B

SW4BFB

SW5IN

SW5LX

GNDSW5

SW5FB

O/P

Drive

SWBSTIN

SWBSTLX

SWBSTFB

GNDSWBST

Pass

FET

Pass

FET

VINREFDDR

VHALF

VREFDDR

VINPLL

VPLL

VUSB2DRV

VUSB2

VDACDRV

VDAC

Pass

FET

VINGEN1

VGEN1

Pass

FET

VGEN2DRV

VGEN2

LDOVDD

PWM

Outputs

GNDREG1

GNDREG2

GNDREF1

GNDREF2

Figure 2. Simplified Internal Block Diagram

Analog Integrated Circuit Device Data

Freescale Semiconductor

MC34708

6

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