AS3604

austriami crosyst ems

Preliminary Product Brief and AS3603/04 Delta Sheet, Confidential

www.austriamicrosystems.com (ptr)

Revision 1.0 / 20060505

2 - 4

1

Block Diagram

Figure

1 – AS3604 block diagram differences to the AS3603 marked with blue

GPIO4 removed

AS3604

Power Management

Unit

VBAT

Vibrator

Buzzer

Current Source

4x(0.6-160mA)

Step Up DC/DC

Converter

<=15V

45mA

C2

330nF

L1 22 H

D1

MBR0520

C1

1 F

VBAT

CURR4 CURR3 CURR2 CURR1

STEPUP

CAPP

CAPN

Charge Pump

4.74V-5.25V

20mA

V5_6

V2_5

Analog LDO

Low Noise

2.5-3.2V

150mA

Analog LDO

Low Noise

1.85-3.4V

150mA

RF LDO

Low Noise

1.85-3.4V

150mA

RF LDO

Low Noise

1.85-3.4V

150mA

RF LDO

Low Noise

1.85-3.4V

200mA (<=2.6V)

RF LDO

Low Noise

1.85-3.4V

200mA (<=2.6V)

C3

1 F

VANA_1

C4

1 F

VBAT_1

C5

1 F

VANA_2

C6

1 F

VRF_1

C8

1 F

VBAT_4

C9

1 F

3.0-5.5V

3.0-5.5V

VRF_2

C10

1 F

VRF_3

C11

1 F

VBAT_5

C12

1 F

3.0-5.5V

VRF_4

C13

1uF

V2_5

C7

F

V2_5

on switch

GPIO1

GPIO2

GPIO3

Interrupt, LCD

Control etc

Internal LDO

2.5V

10mA

GPIO

VANA_1

V5_6

Digital LDO

0.75-2.5V

200mA

Digital LDO

0.75-2.5V

200mA

VDIG_1

C14

1 F

VDIG_2

C15

1 F

VDD_DIG

C30

1 F

1.0-5.5V

Feedback

Synchronous Step Down DC/DC

Converter 2.2MHz

0.6-3.4V, 500mA

SIM LDO

3.0V, 20mA

VBAT_2

3.0-5.5V

L2

H

C18

10 F

C17

1 F

C16

1 F

LX

C19

1 F

VSIM

POR

Pad

Rprogram

CREF

RBIAS

R7

RPROGRAM

C29

100nF

R6

220k

R5 100k

VANA_1

RESET

C28

1 F

R2

4.7k

R3

4.7k

R4

50m

VBAT

All caps

on VBAT

>= 10 F

total

C27

Q1

Si3441

R1

2k

DC

Charger

Adapter

<=15V

C26

1 F

ISENSEN

ISENSEP

VCHARGER

VGATE

LiIon

LiMH

NiMH

Battery

Charger

Fuel

Gauge

Adjustable

Charger Restart

VBAT_3

1W Audio

Amplifier

C25

100nF

AOUT_L

AIN_L

AGND

AIN_R

AOUT_R

C23

100nF

C24

100nF

IN_L

IN_R

>=4

LS3

>=4

LS2

C20

>=100 F

C21

>=100 F

3.6V Li-Ion

3.6V NiMH

4.8V NiMH

RESET

Momentary

Power Loss

Detection

(200ms)

1µF if power loss

detection is not used

6V

Overvoltage

Interrupt

and Switchoff

Shutdown with

Chrgarger possible

Added Charger

removed Interrupt

EOC does not

stop charger

(configurable)

VBAT_6

3.0-5.5V

250mA @ 1.4V

possible

Digital Logic and

References

I/F

Boot

ROM

VANA_1

SDI

SCLK

SDO

SCSB

Serial

Interface

V2_5 or

VBAT

ON

GND_SENSE

Charger

resume @ 4.1V

250mA @ 1.4V

possible

200mA <=2.6V

possible

200mA <=2.6V

possible