AS3603JFA-Z Austria Mikro Systeme International AG, AS3603JFA-Z Datasheet

Page 1

Sta General Description ...

Page 2

AS360 3 Data Sheet 4 Block Diagrams Figure 1. AS3603 Block Diagram. Option: Audio Amplifier In Differential Mode, Step Down DC/DC Converter as Pre-regulator for Digital LDOs Buzzer Vibrator CURR4 CURR3 32 33 Current Source 4x(0.6-160mA BAT_3 V ...

Page 3

AS360 3 Data Sheet Figure 2. AS3603 Block Diagram. Option: Audio Amplifier in Stereo Single-ended Mode, Digital LDOs separated from Step Down DC/DC Converter Buzzer Vibrator CURR4 CURR3 32 33 Current Source 4x(0.6-160mA BAT_3 V BAT C22 1µF ...

Page 4

AS360 3 Data Sheet Contents 1 General Description ................................................................................................................................ 1 2 Key Features .......................................................................................................................................... 1 3 Application .............................................................................................................................................. 1 4 Block Diagrams ...................................................................................................................................... 2 5 Absolute Maximum Ratings (Non-Operating) ......................................................................................... 7 5.1 Operating Conditions ....................................................................................................................................... 7 6 Detailed Functional Descriptions ...

Page 5

AS360 3 Data Sheet 6.7.1 Current Sink Registers ........................................................................................................................ 48 6.8 Audio Amplifier .............................................................................................................................................. 51 6.8.1 Audio Amplifier Registers .................................................................................................................... 53 7 System Supervisory Functions ............................................................................................................. 54 7.1 Reset ............................................................................................................................................................. 54 7.1.1 Reset Conditions ................................................................................................................................. 54 7.1.2 Reset Registers ................................................................................................................................... ...

Page 6

AS360 3 Data Sheet Revision History Revision Date 3.0 4 February 2005 3.1 24 February 2005 3.2 7 April 2005 3.3 22 August 2005 3.31 3 July 2006 3.32 2 August 2006 3.33 22 November 2006 www.austriamicrosystems.com Owner Description - ...

Page 7

AS360 3 Data Sheet 5 Absolute Maximum Ratings (Non-Operating) Stresses beyond the absolute maximum ratings may cause permanent damage to the AS3603. These are stress rat- ings only. Functional operation of the device at these or beyond those in Section ...

Page 8

AS360 3 Data Sheet 6 Detailed Functional Descriptions 6.1 Battery Charger Controller The AS3603 can serve as a standalone Battery Charger Controller supporting rechargeable lithium-ion (Li+), lithium- polymer (LiPo) and 3- or 4-cell nickel metal-hydride (Ni-MH) batteries. The main features ...

Page 9

AS360 3 Data Sheet Table 4. Battery Charger Controller Parameters Symbol Parameter Charger Detection Threshold. V chdet Charger On Charger BAT_5 Charger Detection Threshold. V chmin Charger Off Charger BAT_5 V Bootstrap ...

Page 10

AS360 3 Data Sheet Figure 4. Startup and Constant Current Charging of Nickel-based Batteries V CHDET External Charger at Pin V CHARGER V 0V BAT Trickle Current I CHARGE LDO Voltages Reset Register Settings (Write) BatType ChEn Pulse Register Settings ...

Page 11

AS360 3 Data Sheet The charge controller will regulate the battery voltage to a value set by bit During Constant Voltage mode, the charge current will decrease and eventually drop below the value set by ! (page 20). If the ...

Page 12

AS360 3 Data Sheet 6.1.7 Pulse Charge Mode Pulse Charge mode is initiated and bit exceeded for the first time and bit Pulse tery Charger will be enabled for a minimum on-time specified by bit If the battery voltage drops ...

Page 13

AS360 3 Data Sheet Figure 6. Startup and Pulse Charging for Lithium-Based Batteries External V CHDET Charger at Pin V CHARGER V BAT Trickle Current I CHARGE LDO Voltages Reset Register Settings (Write) BatType ChEn Pulse Register ...

Page 14

AS360 3 Data Sheet 6.1.8 Battery Presence Detection When active, the charge controller constantly monitors the voltage drop across an external current sense resistor (R connected in series between the negative battery terminal and ground. In case no battery is ...

Page 15

AS360 3 Data Sheet Figure 7. Battery Charger Flow Chart Non-Charging Mode Charger NO detected? YES Device active >V BAT NO Trickle Charge Charger NO detected? ChDet=0; ChAct=0; YES Trickle=0 V >V BAT YES Startup Device Active Charging ...

Page 16

AS360 3 Data Sheet 6.1.12 Charger Detection Circuit The Battery Charger Controller uses an integrated Charger Detection Circuit to determine if an external battery charger adapter has been applied to the V Charger register bits will be set/reset when any ...

Page 17

AS360 3 Data Sheet Voltage-to-Frequency Converter The Voltage-to-Frequency Converter constantly monitors the voltage drop across an external current sense resistor (R ) connected in series between the negative battery terminal and ground. sense The use of an additional external RC ...

Page 18

AS360 3 Data Sheet Calculating Elapsed Time The host system can evaluate the change in time ( MSB/LSB registers after bit has been automatically cleared. The change in time in seconds is given by: UpdReq Δ Δ The absolute accuracy ...

Page 19

AS360 3 Data Sheet Charger Status Register Addr: 53 Displays status of Battery Charger Controller. Bit Bit Name Default Access 00 0 chDet ChAct IntReg Trickle R h ...

Page 20

AS360 3 Data Sheet Charger Timing Register Addr: 44 Sets parameters for pulse charging. Bit Bit Name Default Access 2:0 TPON 001 5:3 TPOFF 001 7:6 TPOFFMAX 01 Charger Config Register Addr: 66 Sets additional charger configurations. Bit Bit Name ...

Page 21

AS360 3 Data Sheet Fuel Gauge Register Addr: 21 Controls the Fuel Gauge. Bit Bit Name Default 0 FGEn 0b 1 UpdReq 0b 2 CalReq 0b 3 CalMod 0b 7:4 Delta Charge MSB Register Addr: 54 Holds the amount of ...

Page 22

AS360 3 Data Sheet Elapsed Time MSB Register Addr: 56 Holds the elapsed time since last reading. Bit Bit Name Default ...

Page 23

AS360 3 Data Sheet 6.2 Step Down DC/DC Converter The Step Down DC/DC Converter uses a unique current-limited control scheme to ensure high-efficiency and fast tran- sient-response, and requires small external components. Figure 8. Step Down DC/DC Converter Block Diagram ...

Page 24

AS360 3 Data Sheet Table 8. Step Down DC/DC Converter Parameters Symbol Parameter V Input Voltage IN Regulated Output V OUT Voltage Output Voltage V OUT_tol Tolerance I Current Limit LIMIT R PSW On-Resistance PSW R NSW On-Resistance NSW I ...

Page 25

AS360 3 Data Sheet Reg Power Control Register Addr: 09 Enables/disables voltage regulators. Bit Bit Name Default 0 ldo_ana1_on 1 ldo_ana2_on 2 ldo_dig1_on 3 ldo_dig2_on 4 ldo_sim_on 5 buck_on Boot ROM 7:6 Step Down Configuration Register Addr: 23 Configures the ...

Page 26

AS360 3 Data Sheet 6.2.2 Typical Performance Characteristics Figure 9. Step Down DC/DC Converter Load Regulation Figure 10. Step Down DC/DC Converter Efficiency www.austriamicrosystems.com V 50m/Div out I 150mA LOAD I LOAD 25µs/Div Efficiency of Stepdown Converter V(in)=3.3 / 5.0V; ...

Page 27

AS360 3 Data Sheet 6.3 Low Dropout Regulators The Low Dropout Regulators (LDOs) are linear high performance regulators with programmable output voltages. The LDOs can be controlled by either software (voltage, on/off) or hardware (on/off) using highly configurable GPIO1 to ...

Page 28

AS360 3 Data Sheet Table 10. RF and Analog LDO Characteristics (Continued 4V 150mA 25ºC; C BAT LOAD AMB Symbol Parameter Power Supply Rejection PSRR Ratio I Shut Down Current OFF I Supply Current ...

Page 29

AS360 3 Data Sheet Table 11. Digital LDO Characteristics 200mA 25ºC; C BAT LOAD AMB Symbol Parameter V Supply Voltage Range BUCK R On-Resistance ON Power Supply Rejection PSRR Ratio I Shut Down ...

Page 30

AS360 3 Data Sheet 6.3.4 Low Power Low Dropout Regulator The low-power bootstrap LDO ( needed to supply power to the core (analog and digital) of the AS3603. LDO 2_5 V is designed to achieve the lowest possible ...

Page 31

AS360 3 Data Sheet 6.3.5 Typical Performance Characteristics Figure 13. Load Regulation of LDOs ANA_2 RF_1 RF_2 5mV V = 2.8V, 10mV/Div OUT 3mV 8mV I = 100mA Load 120mA, Slope: 10μs 1µs 1mA ...

Page 32

AS360 3 Data Sheet Figure 17. Line Regulation of LDOs ANA_2 RF_1 RF_2 V = 1mV/Div OUT V BAT V = 5.0V BAT 10µs X-Axis: 40µs/Div 6.3.6 LDO Registers The Low Dropout Regulators are ...

Page 33

AS360 3 Data Sheet LDO_RF2 Voltage Register Addr: 03 Sets the voltage for LDO V Bit Bit Name Default 4:0 ldo_rf2_v Boot ROM 7:5 LDO_RF3 Voltage Register Addr: 04 Sets the voltage for LDO V Bit Bit Name Default 4:0 ...

Page 34

AS360 3 Data Sheet Table 15. Digital LDOs V and V DIG_1 DIG_2 Decimal Code Binary Code 0 000000 1 000001 2 000010 3 000011 4 000100 5 000101 6 000110 7 000111 8 001000 9 001001 10 001010 11 ...

Page 35

AS360 3 Data Sheet LDO_RF Switch Register Addr: 16 Enables LDOs as high-side switches. Bit Bit Name Default ana1_sw 0 Boot ROM ana2_sw 1 Boot ROM 2 rf3_sw Boot ROM rf4_sw 3 Boot ROM ldo_rf1_on 4 Boot ROM ldo_rf2_on 5 ...

Page 36

AS360 3 Data Sheet LDO_GPIO Active Register Addr: 15 Activates GPIO on/off control for voltage regulators. Bit Bit Name Default 0 buck_gpio Boot ROM 1 ldo_ana2_gpio Boot ROM 2 ldo_rf1_gpio Boot ROM 3 ldo_rf2_gpio Boot ROM 4 ldo_rf3_gpio Boot ROM ...

Page 37

AS360 3 Data Sheet LDO_RF GPIO Register Addr: 18 Selects GPIO pin for power on/off control for RF LDOs V Bit Bit Name Default ldo_rf1_gpio_sel 1:0 Boot ROM ldo_rf2_gpio_sel 3:2 Boot ROM 5:4 ldo_rf3_gpio_sel Boot ROM ldo_rf4_gpio_sel 7:6 Boot ROM ...

Page 38

AS360 3 Data Sheet 6.4 Charge Pump The Charge Pump uses V (supplied by Analog LDO V ANA_1 capacitor between pins C and C APP APN the Charge Pump compares its output voltage against a voltage reference, defined by starts ...

Page 39

AS360 3 Data Sheet 6.5 Step Up DC/DC Converter The integrated Step Up DC/DC Converter is a high-efficiency current-mode PWM regulator, providing an output volt- age 15V. A constant switching-frequency results in low noise on supply and ...

Page 40

AS360 3 Data Sheet 6.5.1 Step Up DC/DC Converter Register Step Up DC/DC Converter Control Register Addr: 25 Sets the operation mode of the Step Up DC/DC Converter. Bit Bit Name Default 0 stpup_on Boot ROM 1 stpup_sw_on Boot ROM ...

Page 41

AS360 3 Data Sheet 6.6 General Purpose Input/Output The general purpose input/output pins (GPIO1 - GPIO4) are highly configurable and independently controlled. Table 19. DC Characteristics Input/Output Pin with Selectable Supply GPIO1:GPIO4 Parameter Symbol High-Level Input Voltage Low-Level Input Voltage ...

Page 42

AS360 3 Data Sheet Figure 21. General Purpose I/O Block Diagram interface Frequency sysclk Interrupt Sources 6.6.1 GPIO Registers GPIO1 - GPIO4 are controlled by the registers listed in Table 20. Table 20. GPIO Register Summary Name Addr B7 GPIO1 ...

Page 43

AS360 3 Data Sheet GPIO1 Control Register Addr: 26 Configures pin GPIO1. Bit Bit Name Default 1:0 gpio1_mode Boot ROM 2 gpio1_voltage Boot ROM 4:3 gpio1_pulls Boot ROM 5 gpio1_invert Boot ROM 7:6 gpio1_out_src Boot ROM GPIO2 Control Register Addr: ...

Page 44

AS360 3 Data Sheet GPIO3 Control Register Addr: 28 Configures pin GPIO3. Bit Bit Name Default 1:0 gpio3_mode Boot ROM 3:2 gpio3_voltage Boot ROM 4 gpio3_pulls Boot ROM 5 gpio3_invert Boot ROM 7:6 gpio3_out_src Boot ROM GPIO4 Control Register Addr: ...

Page 45

AS360 3 Data Sheet GPIO Signal Register Addr: 33 Reads the logic signal of the GPIO pins, independently of any other GPIO bit setting. Bit Bit Name Default 0 gpio1 N/A 1 gpio2 N/A 2 gpio3 N/A 3 gpio4 N/A ...

Page 46

AS360 3 Data Sheet 6.6.4 25V/-20V Voltage Generator Using the Programmable Frequency Generator a voltage generator for +25V or -20V can be built with only 4 external capacitors and 5 external Shottky diodes as shown in the following diagrams. Figure ...

Page 47

AS360 3 Data Sheet 6.6.5 Interrupt Function Any of the GPIO pins (GPIO1 - GPIO4) can be configured as interrupt output pins. To enable this function, the corre- sponding GPIO control bits must be set to 11b. See (page 44), ...

Page 48

AS360 3 Data Sheet 6.7 Current Sinks The AS3603 contains general purpose current sinks intended to control backlights, buzzers, and vibrators. All current sinks have an integrated protection (V CURR is also used as feedback for Step Up DC/DC Converter ...

Page 49

AS360 3 Data Sheet CURR Value Register 3 Addr: 38 Sets the current / resistance of current source CURR Bit Bit Name Default 7:0 curr3_current 00 h CURR Value Register 4 Addr: 39 Sets the current / resistance of current ...

Page 50

AS360 3 Data Sheet CURR GPIO Map Register Addr: 42 Selects GPIO pin to control current sources. Bit Bit Name Default 1:0 curr1_gpio Boot ROM 3:2 curr2_gpio Boot ROM 5:4 curr3_gpio Boot ROM 7:6 curr4_gpio Boot ROM www.austriamicrosystems.com Access Bit ...

Page 51

AS360 3 Data Sheet 6.8 Audio Amplifier The integrated Audio Amplifier provides real CD-quality audio and can be used as a headphone amplifier for portable devices designed to meet the operational and power requirements of portable devices by ...

Page 52

AS360 3 Data Sheet Figure 25. Audio Amplifier Block Diagram – Differential Mode A IN_L Audio In 100nF Startup, Biasing, aud_gain <4:0> Control Logic AGND AGND 100nF aud_on aud_lpo 100nF A IN_R Table 23. Audio Amplifier Characteristics Symbol Parameter V ...

Page 53

AS360 3 Data Sheet 6.8.1 Audio Amplifier Registers Audio Control Register Addr: 43 Configures the Audio Amplifier. Bit Bit Name Default 0 aud_on 0 1 aud_lpo 0 3:2 aud_ib_red 00b 7:4 aud_gain 0000b Audio Control 2 Register Addr: 65 Configures ...

Page 54

AS360 3 Data Sheet 7 System Supervisory Functions 7.1 Reset RESET is an active low bi-directional pin; an external pullup to LDO V DC/AC Characteristics on page 62). During each reset cycle the following states are controlled by the AS3603: ...

Page 55

AS360 3 Data Sheet Power Off Setting bit (page 55 puts the AS3603 into ultra low-power mode. To start a complete reset cycle, the power_off AS3603 waits until the external pin ON is pulled high, the Battery Charger ...

Page 56

AS360 3 Data Sheet 7.1.3 Reset Cycle During a reset cycle, pin RESET is forced low for at least the time specified by bits ister bits are set to their default values except bit (page 61). Register During the reset ...

Page 57

AS360 3 Data Sheet 7.3 Protection Functions The Step Up DC/DC Converter, the Step Down DC/DC Converter, and all LDOs have integrated overcurrent protec- tion. Overtemperature protection of the AS3603 is also built-in and can be activated with the serial ...

Page 58

AS360 3 Data Sheet 7.4 Watchdog Block The AS3603 includes a Watchdog block to detect a deadlock of the connected controller. If the Watchdog block is active ( wtdg_on timer window. If there is no signal for a certain time ...

Page 59

AS360 3 Data Sheet Watchdog_min Timer Register Addr: 47 Sets the minimum Watchdog trigger time. Bit Bit Name Default 00 7:0 wtdg_min_timer h Watchdog_max Timer Register Addr: 48 Sets the maximum Watchdog trigger time. Bit Bit Name Default 7:0 wtdg_max_timer ...

Page 60

AS360 3 Data Sheet 7.5.1 Internal Reference Registers References Control Register Addr: 45 Configures low-power mode. Bit Bit Name Default 0 low_power_on 0 1 low_power_gpio_on 0 3:2 low_power_gpio 00 4 low_power_gpio_pol 0 7:5 www.austriamicrosystems.com Access Bit Description 0 = Standard ...

Page 61

AS360 3 Data Sheet 7.6 Low Power Mode Bit (page 60) controls low-power mode. In low-power mode the integrated voltage reference and the low_power_on temperature supervision comparators operate in pulsed mode. This reduces the quiescent current of the AS3603 by ...

Page 62

AS360 3 Data Sheet 7.8 Serial Interface The AS3603 provides for the automatic selection of serial interface modes SPI and I can be defined to support this mode switching. 7.8.1 Digital Input/Output DC/AC Characteristics The output voltage LDO V is ...

Page 63

AS360 3 Data Sheet 7.8.2 SPI Compatible Serial Interface Figure 27. SPI Waveform SCSB SCLK SDI SDO For a read access bit RW (signal SDI for a write access bit RW (signal ...

Page 64

AS360 3 Data Sheet I C Data Transfer Formats 2 Definitions used in the serial data transfer format diagrams (Figures 29 - 33) are listed in Table 34. Table 34 Data Transfer Byte Definitions 2 Symbol Definition S ...

Page 65

AS360 3 Data Sheet Figure 31 Random Read AS3603 (= slave) receives data AS3603 (= slave) transmits data Random Read and Sequential Read are combined formats. The repeated START condition is ...

Page 66

AS360 3 Data Sheet 8 Register Map The AS3603 registers along with their addresses and default values are listed in Table 35. Fields marked N/A are not used; reading these bits may result 1s. Always use 0s, ...

Page 67

AS360 3 Data Sheet Table 35. AS3603 Register Summary (Continued) Name Addr Default CURR1 Value Register CURR2 Value Register CURR3 Value Register CURR4 Value Register 39 h CURR Control Register ...

Page 68

AS360 3 Data Sheet 9 Pinout and Packaging 9.1 Pin Descriptions Table 36. Pin Type Definitions Pin Type DI Digital Input DO Digital Output DIO Digital Input/Output DIO_5 Digital Input/Output with Selectable Supply (V OD Open Drain - the device ...

Page 69

AS360 3 Data Sheet Table 37. Pinlist QFN48 (Continued) Pin Name Type High voltage input coming from the Battery Charger; if the Battery Charger is used CHARGER connect a ceramic capacitor of 1µ Control ...

Page 70

AS360 3 Data Sheet 9.2 Package Drawings and Markings Figure 34. QFN 48 - 7x7mm with Exposed Paddle (AS3603-xGx- JEDEC Package Outline Standard: MO-220 VHHD-5 – ...

Page 71

AS360 3 Data Sheet Figure 35. QFN 48 – 7x7mm Detail Dimensions www.austriamicrosystems.com austriam ...

Page 72

AS360 3 Data Sheet Figure 36. QFN 48 - 6x6mm with Exposed Paddle (AS3603-xFx- Lead Finish: 100% Sn “Matte Tin”. Marking: AYWWIZZ A: Pb-Free Identifier Y: ...

Page 73

AS360 3 Data Sheet Figure 37. QFN 48 – 6x6mm Detail Dimensions www.austriamicrosystems.com austriam ...

Page 74

AS360 3 Data Sheet 10 External Parts List The recommended specifications for external components (refer to pages 2 and 3) are listed in Table 38. Table 38. External Parts Specification Part Min. Typ. Max. Tol. Min. C1 1µF 4.7µF ±20% ...

Page 75

... AS360 3 Data Sheet 11 Ordering Information Device ID Part Number AS3603JFA-Z AS3603JFB-Z AS3603-RPD-Z AS3603JGA-Z AS3603JGB-Z AS3603-HFA-Z AS3603HFA-Z Where Revision Standard H = Customized Version P = Package Type QFN48 6x6mm G = QFN48 7x7mm D = Delivery Form Tape and Reel B = Tube * Dry-pack sensitivity level = 3 in accordance with IPC/JEDEC J-STD-033A Pb-Free IC Package www ...

Page 76

AS360 3 Data Sheet 12 Errata Issue/Changes/ Marking Status ASIC ID2 New Functions V during shutdown. AS3603J, 59, Available AS3603H 58 Charge pump power-off issue. www.austriamicrosystems.com Remark During shutdown, the V voltage can exceed the specified range (2.4 2_5 to ...

Page 77

AS360 3 Data Sheet Copyrights Copyright © 1997-2006, austriamicrosystems AG, Schloss Premstaetten, 8141 Unterpremstaetten, Austria-Europe. Trademarks Registered ®. All rights reserved. The material herein may not be reproduced, adapted, merged, trans- lated, stored, or used without the prior written consent ...